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zcaliptium 2016-04-03 18:59:48 +03:00
parent e07e08d1e5
commit 6e35f6bd11
97 changed files with 66539 additions and 139 deletions
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Sources/All.sln
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@ -90,115 +90,214 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "WorldEditor", "WorldEditor\
{AC040397-6FEA-E9B2-2B28-5BB08E1607A1} = {AC040397-6FEA-E9B2-2B28-5BB08E1607A1} {AC040397-6FEA-E9B2-2B28-5BB08E1607A1} = {AC040397-6FEA-E9B2-2B28-5BB08E1607A1}
EndProjectSection EndProjectSection
EndProject EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libogg", "libogg\libogg_dynamic.vcxproj", "{15CBFEFF-7965-41F5-B4E2-21E8795C9159}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libvorbisfile", "libvorbis\libvorbisfile_dynamic.vcxproj", "{CEBDE98B-A6AA-46E6-BC79-FAAF823DB9EC}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libvorbis", "libvorbis\libvorbis_dynamic.vcxproj", "{3A214E06-B95E-4D61-A291-1F8DF2EC10FD}"
ProjectSection(ProjectDependencies) = postProject
{15CBFEFF-7965-41F5-B4E2-21E8795C9159} = {15CBFEFF-7965-41F5-B4E2-21E8795C9159}
EndProjectSection
EndProject
Global Global
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EndGlobalSection EndGlobalSection
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EndGlobalSection EndGlobalSection
GlobalSection(SolutionProperties) = preSolution GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE HideSolutionNode = FALSE

9
Sources/Engine/Engine.vcxproj
View File

@ -97,6 +97,7 @@
<ProgramDataBaseFileName>.\Debug\</ProgramDataBaseFileName> <ProgramDataBaseFileName>.\Debug\</ProgramDataBaseFileName>
<BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks> <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
<DisableSpecificWarnings>4603;4996;4812;4333</DisableSpecificWarnings> <DisableSpecificWarnings>4603;4996;4812;4333</DisableSpecificWarnings>
<AdditionalIncludeDirectories>..\libvorbis\include\;..\libogg\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile> </ClCompile>
<Midl> <Midl>
<SuppressStartupBanner>true</SuppressStartupBanner> <SuppressStartupBanner>true</SuppressStartupBanner>
@ -120,10 +121,11 @@
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
<OutputFile>Debug/EngineD.dll</OutputFile> <OutputFile>Debug/EngineD.dll</OutputFile>
<ImportLibrary>.\Debug\EngineD.lib</ImportLibrary> <ImportLibrary>.\Debug\EngineD.lib</ImportLibrary>
<AdditionalDependencies>gdi32.lib;DbgHelp.lib;%(AdditionalDependencies)</AdditionalDependencies> <AdditionalDependencies>libvorbisfile.lib;gdi32.lib;DbgHelp.lib;%(AdditionalDependencies)</AdditionalDependencies>
<GenerateMapFile>true</GenerateMapFile> <GenerateMapFile>true</GenerateMapFile>
<IgnoreSpecificDefaultLibraries>libci.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries> <IgnoreSpecificDefaultLibraries>libci.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers> <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
<AdditionalLibraryDirectories>$(SolutionDir)..\Bin\Debug</AdditionalLibraryDirectories>
</Link> </Link>
<CustomBuildStep> <CustomBuildStep>
<Command>copy Debug\$(TargetName).dll $(SolutionDir)..\Bin\Debug\ &gt;nul <Command>copy Debug\$(TargetName).dll $(SolutionDir)..\Bin\Debug\ &gt;nul
@ -155,6 +157,7 @@ copy Debug\$(TargetName).lib $(SolutionDir)..\Bin\Debug\ &gt;nul</Command>
<ObjectFileName>.\Release\</ObjectFileName> <ObjectFileName>.\Release\</ObjectFileName>
<ProgramDataBaseFileName>.\Release\</ProgramDataBaseFileName> <ProgramDataBaseFileName>.\Release\</ProgramDataBaseFileName>
<DisableSpecificWarnings>4603;4996;4812;4333</DisableSpecificWarnings> <DisableSpecificWarnings>4603;4996;4812;4333</DisableSpecificWarnings>
<AdditionalIncludeDirectories>..\libvorbis\include\;..\libogg\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile> </ClCompile>
<Midl> <Midl>
<SuppressStartupBanner>true</SuppressStartupBanner> <SuppressStartupBanner>true</SuppressStartupBanner>
@ -178,10 +181,11 @@ copy Debug\$(TargetName).lib $(SolutionDir)..\Bin\Debug\ &gt;nul</Command>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
<OutputFile>.\Release\Engine.dll</OutputFile> <OutputFile>.\Release\Engine.dll</OutputFile>
<ImportLibrary>.\Release\Engine.lib</ImportLibrary> <ImportLibrary>.\Release\Engine.lib</ImportLibrary>
<AdditionalDependencies>odbc32.lib;odbccp32.lib;DbgHelp.lib;%(AdditionalDependencies)</AdditionalDependencies> <AdditionalDependencies>libvorbisfile.lib;odbc32.lib;odbccp32.lib;DbgHelp.lib;%(AdditionalDependencies)</AdditionalDependencies>
<GenerateMapFile>true</GenerateMapFile> <GenerateMapFile>true</GenerateMapFile>
<IgnoreSpecificDefaultLibraries>libci.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries> <IgnoreSpecificDefaultLibraries>libci.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers> <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
<AdditionalLibraryDirectories>$(SolutionDir)..\Bin</AdditionalLibraryDirectories>
</Link> </Link>
<CustomBuildStep> <CustomBuildStep>
<Command>copy Release\$(TargetName).dll $(SolutionDir)..\Bin\ &gt;nul <Command>copy Release\$(TargetName).dll $(SolutionDir)..\Bin\ &gt;nul
@ -895,7 +899,6 @@ copy Release\$(TargetName).lib $(SolutionDir)..\Bin\ &gt;nul</Command>
<ClInclude Include="CurrentVersion.h" /> <ClInclude Include="CurrentVersion.h" />
<ClInclude Include="Engine.h" /> <ClInclude Include="Engine.h" />
<ClInclude Include="GameShell.h" /> <ClInclude Include="GameShell.h" />
<ClInclude Include="Sound\ov_functions.h" />
<ClInclude Include="StdH.h" /> <ClInclude Include="StdH.h" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>

3
Sources/Engine/Engine.vcxproj.filters
View File

@ -1356,9 +1356,6 @@
<ClInclude Include="GameShell.h"> <ClInclude Include="GameShell.h">
<Filter>Header Files</Filter> <Filter>Header Files</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="Sound\ov_functions.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="StdH.h"> <ClInclude Include="StdH.h">
<Filter>Header Files</Filter> <Filter>Header Files</Filter>
</ClInclude> </ClInclude>

118
Sources/Engine/Sound/SoundDecoder.cpp
View File

@ -85,78 +85,11 @@ public:
// ------------------------------------ Ogg Vorbis // ------------------------------------ Ogg Vorbis
#include <vorbis\vorbisfile.h> // we define needed stuff ourselves, and ignore the rest
//#include <vorbis\vorbisfile.h> // we define needed stuff ourselves, and ignore the rest
// vorbis vars // vorbis vars
extern BOOL _bOVEnabled = FALSE;
static HINSTANCE _hOV = NULL; static HINSTANCE _hOV = NULL;
#define OV_FALSE -1
#define OV_EOF -2
#define OV_HOLE -3
#define OV_EREAD -128
#define OV_EFAULT -129
#define OV_EIMPL -130
#define OV_EINVAL -131
#define OV_ENOTVORBIS -132
#define OV_EBADHEADER -133
#define OV_EVERSION -134
#define OV_ENOTAUDIO -135
#define OV_EBADPACKET -136
#define OV_EBADLINK -137
#define OV_ENOSEEK -138
// vorbis types
typedef __int64 ogg_int64_t;
typedef struct {
size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource);
int (*seek_func) (void *datasource, ogg_int64_t offset, int whence);
int (*close_func) (void *datasource);
long (*tell_func) (void *datasource);
} ov_callbacks;
struct OggVorbis_File {
// don't wanna know whats inside
UBYTE dummy[2048]; // last time checked, the actual size was 720 (ogg vorbis version 1.0rc1)
};
struct vorbis_info {
int version;
int channels;
long rate;
long bitrate_upper;
long bitrate_nominal;
long bitrate_lower;
// don't want to know the rest...
//..................
};
// define vorbis function pointers
#define DLLFUNCTION(dll, output, name, inputs, params, required) \
output (__cdecl *p##name) inputs = NULL;
#include "ov_functions.h"
#undef DLLFUNCTION
static void OV_SetFunctionPointers_t(void) {
const char *strName;
// get vo function pointers
#define DLLFUNCTION(dll, output, name, inputs, params, required) \
strName = #name ; \
p##name = (output (__cdecl *) inputs) GetProcAddress( _hOV, strName); \
if(p##name == NULL) FailFunction_t(strName);
#include "ov_functions.h"
#undef DLLFUNCTION
}
static void OV_ClearFunctionPointers(void) {
// clear vo function pointers
#define DLLFUNCTION(dll, output, name, inputs, params, required) p##name = NULL;
#include "ov_functions.h"
#undef DLLFUNCTION
}
class CDecodeData_OGG { class CDecodeData_OGG {
public: public:
FILE *ogg_fFile; // the stdio file that ogg is in FILE *ogg_fFile; // the stdio file that ogg is in
@ -233,30 +166,6 @@ static ov_callbacks ovcCallbacks = {
// initialize/end the decoding support engine(s) // initialize/end the decoding support engine(s)
void CSoundDecoder::InitPlugins(void) void CSoundDecoder::InitPlugins(void)
{ {
try {
// load vorbis
if (_hOV==NULL) {
#ifndef NDEBUG
#define VORBISLIB "vorbisfile_d.dll"
#else
#define VORBISLIB "vorbisfile.dll"
#endif
_hOV = ::LoadLibraryA(VORBISLIB);
}
if( _hOV == NULL) {
ThrowF_t(TRANS("Cannot load vorbisfile.dll."));
}
// prepare function pointers
OV_SetFunctionPointers_t();
// if all successful, enable mpx playing
_bOVEnabled = TRUE;
CPrintF(TRANS(" vorbisfile.dll loaded, ogg playing enabled\n"));
} catch (char *strError) {
CPrintF(TRANS("OGG playing disabled: %s\n"), strError);
}
try { try {
// load amp11lib // load amp11lib
if (_hAmp11lib==NULL) { if (_hAmp11lib==NULL) {
@ -290,14 +199,6 @@ void CSoundDecoder::EndPlugins(void)
_hAmp11lib = NULL; _hAmp11lib = NULL;
_bAMP11Enabled = FALSE; _bAMP11Enabled = FALSE;
} }
// cleanup vorbis when not needed anymore
if (_bOVEnabled) {
OV_ClearFunctionPointers();
FreeLibrary(_hOV);
_hOV = NULL;
_bOVEnabled = FALSE;
}
} }
// decoder that streams from file // decoder that streams from file
@ -311,9 +212,11 @@ CSoundDecoder::CSoundDecoder(const CTFileName &fnm)
// if ogg // if ogg
if (fnmExpanded.FileExt()==".ogg") { if (fnmExpanded.FileExt()==".ogg") {
/*
if (!_bOVEnabled) { if (!_bOVEnabled) {
return; return;
} }
*/
sdc_pogg = new CDecodeData_OGG; sdc_pogg = new CDecodeData_OGG;
sdc_pogg->ogg_fFile = NULL; sdc_pogg->ogg_fFile = NULL;
sdc_pogg->ogg_vfVorbisFile = NULL; sdc_pogg->ogg_vfVorbisFile = NULL;
@ -370,7 +273,7 @@ CSoundDecoder::CSoundDecoder(const CTFileName &fnm)
// initialize decoder // initialize decoder
sdc_pogg->ogg_vfVorbisFile = new OggVorbis_File; sdc_pogg->ogg_vfVorbisFile = new OggVorbis_File;
int iRes = pov_open_callbacks(sdc_pogg, sdc_pogg->ogg_vfVorbisFile, NULL, 0, ovcCallbacks); int iRes = ov_open_callbacks(sdc_pogg, sdc_pogg->ogg_vfVorbisFile, NULL, 0, ovcCallbacks);
// if error // if error
if (iRes!=0) { if (iRes!=0) {
@ -378,7 +281,7 @@ CSoundDecoder::CSoundDecoder(const CTFileName &fnm)
} }
// get info on the file // get info on the file
vorbis_info *pvi = pov_info(sdc_pogg->ogg_vfVorbisFile, -1); vorbis_info *pvi = ov_info(sdc_pogg->ogg_vfVorbisFile, -1);
// remember it's format // remember it's format
WAVEFORMATEX form; WAVEFORMATEX form;
@ -540,7 +443,7 @@ void CSoundDecoder::Clear(void)
} else if (sdc_pogg!=NULL) { } else if (sdc_pogg!=NULL) {
if (sdc_pogg->ogg_vfVorbisFile!=NULL) { if (sdc_pogg->ogg_vfVorbisFile!=NULL) {
pov_clear(sdc_pogg->ogg_vfVorbisFile); ov_clear(sdc_pogg->ogg_vfVorbisFile);
delete sdc_pogg->ogg_vfVorbisFile; delete sdc_pogg->ogg_vfVorbisFile;
sdc_pogg->ogg_vfVorbisFile = NULL; sdc_pogg->ogg_vfVorbisFile = NULL;
} }
@ -559,13 +462,10 @@ void CSoundDecoder::Reset(void)
if (sdc_pmpeg!=NULL) { if (sdc_pmpeg!=NULL) {
palDecSeekAbs(sdc_pmpeg->mpeg_hDecoder, 0.0f); palDecSeekAbs(sdc_pmpeg->mpeg_hDecoder, 0.0f);
} else if (sdc_pogg!=NULL) { } else if (sdc_pogg!=NULL) {
/* !!!! seeking is evil with vorbisfile 1.0RC2
pov_time_seek(sdc_pogg->ogg_vfVorbisFile, 0.0f);
*/
// so instead, we reinit // so instead, we reinit
pov_clear(sdc_pogg->ogg_vfVorbisFile); ov_clear(sdc_pogg->ogg_vfVorbisFile);
fseek(sdc_pogg->ogg_fFile, sdc_pogg->ogg_slOffset, SEEK_SET); fseek(sdc_pogg->ogg_fFile, sdc_pogg->ogg_slOffset, SEEK_SET);
pov_open_callbacks(sdc_pogg, sdc_pogg->ogg_vfVorbisFile, NULL, 0, ovcCallbacks); ov_open_callbacks(sdc_pogg, sdc_pogg->ogg_vfVorbisFile, NULL, 0, ovcCallbacks);
} }
} }
@ -603,7 +503,7 @@ INDEX CSoundDecoder::Decode(void *pvDestBuffer, INDEX ctBytesToDecode)
char *pch = (char *)pvDestBuffer; char *pch = (char *)pvDestBuffer;
INDEX ctDecoded = 0; INDEX ctDecoded = 0;
while (ctDecoded<ctBytesToDecode) { while (ctDecoded<ctBytesToDecode) {
long iRes = pov_read(sdc_pogg->ogg_vfVorbisFile, pch, ctBytesToDecode-ctDecoded, long iRes = ov_read(sdc_pogg->ogg_vfVorbisFile, pch, ctBytesToDecode-ctDecoded,
0, 2, 1, &iCurrrentSection); 0, 2, 1, &iCurrrentSection);
if (iRes<=0) { if (iRes<=0) {
return ctDecoded; return ctDecoded;

24
Sources/Engine/Sound/ov_functions.h
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@ -1,24 +0,0 @@
/* Copyright (c) 2002-2012 Croteam Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as published by
the Free Software Foundation
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
// DLLFUNCTION(dll, output, name, inputs, params, required)
DLLFUNCTION( OVF, int, ov_clear, (OggVorbis_File *vf), 4, 0)
DLLFUNCTION( OVF, int, ov_open, (FILE *f, OggVorbis_File *vf, char *initial, long ibytes), 16,0);
DLLFUNCTION( OVF, int, ov_open_callbacks, (void *datasource, OggVorbis_File *vf, char *initial, long ibytes, ov_callbacks callbacks), 32,0);
DLLFUNCTION( OVF, long, ov_read, (OggVorbis_File *vf,char *buffer,int length, int bigendianp,int word,int sgned,int *bitstream), 28,0);
DLLFUNCTION( OVF, vorbis_info *, ov_info, (OggVorbis_File *vf,int link), 8,0);
DLLFUNCTION( OVF, int, ov_time_seek, (OggVorbis_File *vf, double pos), 12,0);

7
Sources/libogg/AUTHORS Normal file
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@ -0,0 +1,7 @@
Monty <monty@xiph.org>
Greg Maxwell <greg@xiph.org>
Ralph Giles <giles@xiph.org>
Cristian Adam <cristian.adam@gmail.com>
Tim Terriberry <tterribe@xiph.org>
and the rest of the Xiph.Org Foundation.

88
Sources/libogg/CHANGES Normal file
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@ -0,0 +1,88 @@
Version 1.3.2 (2014 May 27)
* Fix an bug in oggpack_writecopy().
Version 1.3.1 (2013 May 12)
* Guard against very large packets.
* Respect the configure --docdir override.
* Documentation fixes.
* More Windows build fixes.
Version 1.3.0 (2011 August 4)
* Add ogg_stream_flush_fill() call
This produces longer packets on flush, similar to
what ogg_stream_pageout_fill() does for single pages.
* Windows build fixes
Version 1.2.2 (2010 December 07)
* Build fix (types correction) for Mac OS X
* Update win32 project files to Visual Studio 2008
* ogg_stream_pageout_fill documentation fix
Version 1.2.1 (2010 November 01)
* Various build updates (see SVN)
* Add ogg_stream_pageout_fill() to API to allow applications
greater explicit flexibility in page sizing.
* Documentation updates including multiplexing description,
terminology and API (incl. ogg_packet_clear(),
ogg_stream_pageout_fill())
* Correct possible buffer overwrite in stream encoding on 32 bit
when a single packet exceed 250MB.
* Correct read-buffer overrun [without side effects] under
similar circumstances.
* Update unit testing to work properly with new page spill
heuristic.
Version 1.2.0 (2010 March 25)
* Alter default flushing behavior to span less often and use larger page
sizes when packet sizes are large.
* Build fixes for additional compilers
* Documentation updates
Version 1.1.4 (2009 June 24)
* New async error reporting mechanism. Calls made after a fatal error are
now safely handled in the event an error code is ignored
* Added allocation checks useful to some embedded applications
* fix possible read past end of buffer when reading 0 bits
* Updates to API documentation
* Build fixes
Version 1.1.3 (2005 November 27)
* Correct a bug in the granulepos field of pages where no packet ends
* New VS2003 and XCode builds, minor fixes to other builds
* documentation fixes and cleanup
Version 1.1.2 (2004 September 23)
* fix a bug with multipage packet assembly after seek
Version 1.1.1 (2004 September 12)
* various bugfixes
* important bugfix for 64-bit platforms
* various portability fixes
* autotools cleanup from Thomas Vander Stichele
* Symbian OS build support from Colin Ward at CSIRO
* new multiplexed Ogg stream documentation
Version 1.1 (2003 November 17)
* big-endian bitpacker routines for Theora
* various portability fixes
* improved API documenation
* RFC 3533 documentation of the format by Silvia Pfeiffer at CSIRO
* RFC 3534 documentation of the application/ogg mime-type by Linus Walleij
Version 1.0 (2002 July 19)
* First stable release
* little-endian bitpacker routines for Vorbis
* basic Ogg bitstream sync and coding support

28
Sources/libogg/COPYING Normal file
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@ -0,0 +1,28 @@
Copyright (c) 2002, Xiph.org Foundation
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

97
Sources/libogg/README Normal file
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@ -0,0 +1,97 @@
********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2011 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
= WHAT'S HERE =
This source distribution includes libogg and nothing else. Other modules
(eg, the modules libvorbis, vorbis-tools for the Vorbis music codec,
libtheora for the Theora video codec) contain the codec libraries for
use with Ogg bitstreams.
Directory:
./src The source for libogg, a BSD-license inplementation of
the public domain Ogg bitstream format
./include Library API headers
./doc Ogg specification and libogg API documents
./win32 Win32 projects and build automation
./macosx Mac OS X project and build files
= WHAT IS OGG? =
Ogg project codecs use the Ogg bitstream format to arrange the raw,
compressed bitstream into a more robust, useful form. For example,
the Ogg bitstream makes seeking, time stamping and error recovery
possible, as well as mixing several sepearate, concurrent media
streams into a single physical bitstream.
= CONTACT =
The Ogg homepage is located at 'https://www.xiph.org/ogg/'.
Up to date technical documents, contact information, source code and
pre-built utilities may be found there.
BUILDING FROM TARBALL DISTRIBUTIONS:
./configure
make
and optionally (as root):
make install
This will install the Ogg libraries (static and shared) into
/usr/local/lib, includes into /usr/local/include and API
documentation into /usr/local/share/doc.
BUILDING FROM REPOSITORY SOURCE:
A standard svn build should consist of nothing more than:
./autogen.sh
make
and as root if desired :
make install
BUILDING ON WIN32:
Use the project file in the win32 directory. It should compile out of the box.
CROSS COMPILING FROM LINUX TO WIN32:
It is also possible to cross compile from Linux to windows using the MinGW
cross tools and even to run the test suite under Wine, the Linux/*nix
windows emulator.
On Debian and Ubuntu systems, these cross compiler tools can be installed
by doing:
sudo apt-get mingw32 mingw32-binutils mingw32-runtime wine
Once these tools are installed its possible to compile and test by
executing the following commands, or something similar depending on
your system:
./configure --host=i586-mingw32msvc --target=i586-mingw32msvc \
--build=i586-linux
make
make check
(Build instructions for Ogg codecs such as vorbis are similar and may
be found in those source modules' README files)
$Id: README 18096 2011-09-22 23:32:51Z giles $

25
Sources/libogg/include/ogg/config_types.h.in Normal file
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@ -0,0 +1,25 @@
#ifndef __CONFIG_TYPES_H__
#define __CONFIG_TYPES_H__
/* these are filled in by configure */
#define INCLUDE_INTTYPES_H @INCLUDE_INTTYPES_H@
#define INCLUDE_STDINT_H @INCLUDE_STDINT_H@
#define INCLUDE_SYS_TYPES_H @INCLUDE_SYS_TYPES_H@
#if INCLUDE_INTTYPES_H
# include <inttypes.h>
#endif
#if INCLUDE_STDINT_H
# include <stdint.h>
#endif
#if INCLUDE_SYS_TYPES_H
# include <sys/types.h>
#endif
typedef @SIZE16@ ogg_int16_t;
typedef @USIZE16@ ogg_uint16_t;
typedef @SIZE32@ ogg_int32_t;
typedef @USIZE32@ ogg_uint32_t;
typedef @SIZE64@ ogg_int64_t;
#endif

210
Sources/libogg/include/ogg/ogg.h Normal file
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@ -0,0 +1,210 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel libogg include
last mod: $Id: ogg.h 18044 2011-08-01 17:55:20Z gmaxwell $
********************************************************************/
#ifndef _OGG_H
#define _OGG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include <ogg/os_types.h>
typedef struct {
void *iov_base;
size_t iov_len;
} ogg_iovec_t;
typedef struct {
long endbyte;
int endbit;
unsigned char *buffer;
unsigned char *ptr;
long storage;
} oggpack_buffer;
/* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/
typedef struct {
unsigned char *header;
long header_len;
unsigned char *body;
long body_len;
} ogg_page;
/* ogg_stream_state contains the current encode/decode state of a logical
Ogg bitstream **********************************************************/
typedef struct {
unsigned char *body_data; /* bytes from packet bodies */
long body_storage; /* storage elements allocated */
long body_fill; /* elements stored; fill mark */
long body_returned; /* elements of fill returned */
int *lacing_vals; /* The values that will go to the segment table */
ogg_int64_t *granule_vals; /* granulepos values for headers. Not compact
this way, but it is simple coupled to the
lacing fifo */
long lacing_storage;
long lacing_fill;
long lacing_packet;
long lacing_returned;
unsigned char header[282]; /* working space for header encode */
int header_fill;
int e_o_s; /* set when we have buffered the last packet in the
logical bitstream */
int b_o_s; /* set after we've written the initial page
of a logical bitstream */
long serialno;
long pageno;
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a separate abstraction
layer) also knows about the gap */
ogg_int64_t granulepos;
} ogg_stream_state;
/* ogg_packet is used to encapsulate the data and metadata belonging
to a single raw Ogg/Vorbis packet *************************************/
typedef struct {
unsigned char *packet;
long bytes;
long b_o_s;
long e_o_s;
ogg_int64_t granulepos;
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a separate abstraction
layer) also knows about the gap */
} ogg_packet;
typedef struct {
unsigned char *data;
int storage;
int fill;
int returned;
int unsynced;
int headerbytes;
int bodybytes;
} ogg_sync_state;
/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/
extern void oggpack_writeinit(oggpack_buffer *b);
extern int oggpack_writecheck(oggpack_buffer *b);
extern void oggpack_writetrunc(oggpack_buffer *b,long bits);
extern void oggpack_writealign(oggpack_buffer *b);
extern void oggpack_writecopy(oggpack_buffer *b,void *source,long bits);
extern void oggpack_reset(oggpack_buffer *b);
extern void oggpack_writeclear(oggpack_buffer *b);
extern void oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void oggpack_write(oggpack_buffer *b,unsigned long value,int bits);
extern long oggpack_look(oggpack_buffer *b,int bits);
extern long oggpack_look1(oggpack_buffer *b);
extern void oggpack_adv(oggpack_buffer *b,int bits);
extern void oggpack_adv1(oggpack_buffer *b);
extern long oggpack_read(oggpack_buffer *b,int bits);
extern long oggpack_read1(oggpack_buffer *b);
extern long oggpack_bytes(oggpack_buffer *b);
extern long oggpack_bits(oggpack_buffer *b);
extern unsigned char *oggpack_get_buffer(oggpack_buffer *b);
extern void oggpackB_writeinit(oggpack_buffer *b);
extern int oggpackB_writecheck(oggpack_buffer *b);
extern void oggpackB_writetrunc(oggpack_buffer *b,long bits);
extern void oggpackB_writealign(oggpack_buffer *b);
extern void oggpackB_writecopy(oggpack_buffer *b,void *source,long bits);
extern void oggpackB_reset(oggpack_buffer *b);
extern void oggpackB_writeclear(oggpack_buffer *b);
extern void oggpackB_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void oggpackB_write(oggpack_buffer *b,unsigned long value,int bits);
extern long oggpackB_look(oggpack_buffer *b,int bits);
extern long oggpackB_look1(oggpack_buffer *b);
extern void oggpackB_adv(oggpack_buffer *b,int bits);
extern void oggpackB_adv1(oggpack_buffer *b);
extern long oggpackB_read(oggpack_buffer *b,int bits);
extern long oggpackB_read1(oggpack_buffer *b);
extern long oggpackB_bytes(oggpack_buffer *b);
extern long oggpackB_bits(oggpack_buffer *b);
extern unsigned char *oggpackB_get_buffer(oggpack_buffer *b);
/* Ogg BITSTREAM PRIMITIVES: encoding **************************/
extern int ogg_stream_packetin(ogg_stream_state *os, ogg_packet *op);
extern int ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov,
int count, long e_o_s, ogg_int64_t granulepos);
extern int ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_pageout_fill(ogg_stream_state *os, ogg_page *og, int nfill);
extern int ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_flush_fill(ogg_stream_state *os, ogg_page *og, int nfill);
/* Ogg BITSTREAM PRIMITIVES: decoding **************************/
extern int ogg_sync_init(ogg_sync_state *oy);
extern int ogg_sync_clear(ogg_sync_state *oy);
extern int ogg_sync_reset(ogg_sync_state *oy);
extern int ogg_sync_destroy(ogg_sync_state *oy);
extern int ogg_sync_check(ogg_sync_state *oy);
extern char *ogg_sync_buffer(ogg_sync_state *oy, long size);
extern int ogg_sync_wrote(ogg_sync_state *oy, long bytes);
extern long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og);
extern int ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og);
extern int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op);
extern int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op);
/* Ogg BITSTREAM PRIMITIVES: general ***************************/
extern int ogg_stream_init(ogg_stream_state *os,int serialno);
extern int ogg_stream_clear(ogg_stream_state *os);
extern int ogg_stream_reset(ogg_stream_state *os);
extern int ogg_stream_reset_serialno(ogg_stream_state *os,int serialno);
extern int ogg_stream_destroy(ogg_stream_state *os);
extern int ogg_stream_check(ogg_stream_state *os);
extern int ogg_stream_eos(ogg_stream_state *os);
extern void ogg_page_checksum_set(ogg_page *og);
extern int ogg_page_version(const ogg_page *og);
extern int ogg_page_continued(const ogg_page *og);
extern int ogg_page_bos(const ogg_page *og);
extern int ogg_page_eos(const ogg_page *og);
extern ogg_int64_t ogg_page_granulepos(const ogg_page *og);
extern int ogg_page_serialno(const ogg_page *og);
extern long ogg_page_pageno(const ogg_page *og);
extern int ogg_page_packets(const ogg_page *og);
extern void ogg_packet_clear(ogg_packet *op);
#ifdef __cplusplus
}
#endif
#endif /* _OGG_H */

147
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@ -0,0 +1,147 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: #ifdef jail to whip a few platforms into the UNIX ideal.
last mod: $Id: os_types.h 19098 2014-02-26 19:06:45Z giles $
********************************************************************/
#ifndef _OS_TYPES_H
#define _OS_TYPES_H
/* make it easy on the folks that want to compile the libs with a
different malloc than stdlib */
#define _ogg_malloc malloc
#define _ogg_calloc calloc
#define _ogg_realloc realloc
#define _ogg_free free
#if defined(_WIN32)
# if defined(__CYGWIN__)
# include <stdint.h>
typedef int16_t ogg_int16_t;
typedef uint16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef uint32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
typedef uint64_t ogg_uint64_t;
# elif defined(__MINGW32__)
# include <sys/types.h>
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
typedef unsigned long long ogg_uint64_t;
# elif defined(__MWERKS__)
typedef long long ogg_int64_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
# else
/* MSVC/Borland */
typedef __int64 ogg_int64_t;
typedef __int32 ogg_int32_t;
typedef unsigned __int32 ogg_uint32_t;
typedef __int16 ogg_int16_t;
typedef unsigned __int16 ogg_uint16_t;
# endif
#elif defined(__MACOS__)
# include <sys/types.h>
typedef SInt16 ogg_int16_t;
typedef UInt16 ogg_uint16_t;
typedef SInt32 ogg_int32_t;
typedef UInt32 ogg_uint32_t;
typedef SInt64 ogg_int64_t;
#elif (defined(__APPLE__) && defined(__MACH__)) /* MacOS X Framework build */
# include <inttypes.h>
typedef int16_t ogg_int16_t;
typedef uint16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef uint32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined(__HAIKU__)
/* Haiku */
# include <sys/types.h>
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined(__BEOS__)
/* Be */
# include <inttypes.h>
typedef int16_t ogg_int16_t;
typedef uint16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef uint32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined (__EMX__)
/* OS/2 GCC */
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined (DJGPP)
/* DJGPP */
typedef short ogg_int16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined(R5900)
/* PS2 EE */
typedef long ogg_int64_t;
typedef int ogg_int32_t;
typedef unsigned ogg_uint32_t;
typedef short ogg_int16_t;
#elif defined(__SYMBIAN32__)
/* Symbian GCC */
typedef signed short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef signed int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long int ogg_int64_t;
#elif defined(__TMS320C6X__)
/* TI C64x compiler */
typedef signed short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef signed int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long int ogg_int64_t;
#else
# include <ogg/config_types.h>
#endif
#endif /* _OS_TYPES_H */

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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectName>libogg</ProjectName>
<ProjectGuid>{15CBFEFF-7965-41F5-B4E2-21E8795C9159}</ProjectGuid>
<RootNamespace>libogg</RootNamespace>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<CharacterSet>Unicode</CharacterSet>
<WholeProgramOptimization>true</WholeProgramOptimization>
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; $Id: ogg.def 14733 2008-04-14 21:27:06Z sping $
;
; ogg.def
;
LIBRARY
EXPORTS
;
oggpack_writeinit
oggpack_writetrunc
oggpack_writealign
oggpack_writecopy
oggpack_reset
oggpack_writeclear
oggpack_readinit
oggpack_write
oggpack_look
oggpack_look1
oggpack_adv
oggpack_adv1
oggpack_read
oggpack_read1
oggpack_bytes
oggpack_bits
oggpack_get_buffer
;
oggpackB_writeinit
oggpackB_writetrunc
oggpackB_writealign
oggpackB_writecopy
oggpackB_reset
oggpackB_writeclear
oggpackB_readinit
oggpackB_write
oggpackB_look
oggpackB_look1
oggpackB_adv
oggpackB_adv1
oggpackB_read
oggpackB_read1
oggpackB_bytes
oggpackB_bits
oggpackB_get_buffer
;
ogg_stream_packetin
ogg_stream_pageout
ogg_stream_flush
;
ogg_sync_init
ogg_sync_clear
ogg_sync_reset
ogg_sync_destroy
ogg_sync_buffer
ogg_sync_wrote
ogg_sync_pageseek
ogg_sync_pageout
ogg_stream_pagein
ogg_stream_packetout
ogg_stream_packetpeek
;
ogg_stream_init
ogg_stream_clear
ogg_stream_reset
ogg_stream_reset_serialno
ogg_stream_destroy
ogg_stream_eos
;
ogg_page_checksum_set
ogg_page_version
ogg_page_continued
ogg_page_bos
ogg_page_eos
ogg_page_granulepos
ogg_page_serialno
ogg_page_pageno
ogg_page_packets
ogg_packet_clear

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Monty <monty@xiph.org>
and the rest of the Xiph.org Foundation.

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libvorbis 1.3.5 (unreleased) -- "Xiph.Org libVorbis I 20150105 (⛄⛄⛄⛄)"
* Tolerate single-entry codebooks.
* Fix decoder crash with invalid input.
* Fix encoder crash with non-positive sample rates.
# Fix issues in vorbisfile's seek bisection code.
* Spec errata.
* Reject multiple headers of the same type.
* Various build fixes and code cleanup.
libvorbis 1.3.4 (2014-01-22) -- "Xiph.Org libVorbis I 20140122 (Turpakäräjiin)"
* Reduce codebook footprint in library code.
* Various build and documentation fixes.
libvorbis 1.3.3 (2012-02-03) -- "Xiph.Org libVorbis I 20120203 (Omnipresent)"
* vorbis: additional proofing against invalid/malicious
streams in decode (see SVN for details).
* vorbis: fix a memory leak in vorbis_commentheader_out().
* updates, corrections and clarifications in the Vorbis I specification
document
* win32: fixed project configuration which referenced two CRT versions
in output binaries.
* build warning fixes
libvorbis 1.3.2 (2010-11-01) -- "Xiph.Org libVorbis I 20101101 (Schaufenugget)"
* vorbis: additional proofing against invalid/malicious
streams in floor, residue, and bos/eos packet trimming
code (see SVN for details).
* vorbis: Added programming documentation tree for the
low-level calls
* vorbisfile: Correct handling of serial numbers array
element [0] on non-seekable streams
* vorbisenc: Back out an [old] AoTuV HF weighting that was
first enabled in 1.3.0; there are a few samples where I
really don't like the effect it causes.
* vorbis: return correct timestamp for granule positions
with high bit set.
* vorbisfile: the [undocumented] half-rate decode api made no
attempt to keep the pcm offset tracking consistent in seeks.
Fix and add a testing mode to seeking_example.c to torture
test seeking in halfrate mode. Also remove requirement that
halfrate mode only work with seekable files.
* vorbisfile: Fix a chaining bug in raw_seeks where seeking
out of the current link would fail due to not
reinitializing the decode machinery.
* vorbisfile: improve seeking strategy. Reduces the
necessary number of seek callbacks in an open or seek
operation by well over 2/3.
libvorbis 1.3.1 (2010-02-26) -- "Xiph.Org libVorbis I 20100325 (Everywhere)"
* tweak + minor arithmetic fix in floor1 fit
* revert noise norm to conservative 1.2.3 behavior pending
more listening testing
libvorbis 1.3.0 (2010-02-25) -- unreleased staging snapshot
* Optimized surround support for 5.1 encoding at 44.1/48kHz
* Added encoder control call to disable channel coupling
* Correct an overflow bug in very low-bitrate encoding on 32 bit
machines that caused inflated bitrates
* Numerous API hardening, leak and build fixes
* Correct bug in 22kHz compand setup that could cause a crash
* Correct bug in 16kHz codebooks that could cause unstable pure
tones at high bitrates
libvorbis 1.2.3 (2009-07-09) -- "Xiph.Org libVorbis I 20090709"
* correct a vorbisfile bug that prevented proper playback of
Vorbis files where all audio in a logical stream is in a
single page
* Additional decode setup hardening against malicious streams
* Add 'OV_EXCLUDE_STATIC_CALLBACKS' define for developers who
wish to avoid unused symbol warnings from the static callbacks
defined in vorbisfile.h
libvorbis 1.2.2 (2009-06-24) -- "Xiph.Org libVorbis I 20090624"
* define VENDOR and ENCODER strings
* seek correctly in files bigger than 2 GB (Windows)
* fix regression from CVE-2008-1420; 1.0b1 files work again
* mark all tables as constant to reduce memory occupation
* additional decoder hardening against malicious streams
* substantially reduce amount of seeking performed by Vorbisfile
* Multichannel decode bugfix
* build system updates
* minor specification clarifications/fixes
libvorbis 1.2.1 (unreleased) -- "Xiph.Org libVorbis I 20080501"
* Improved robustness with corrupt streams.
* New ov_read_filter() vorbisfile call allows filtering decoded
audio as floats before converting to integer samples.
* Fix an encoder bug with multichannel streams.
* Replaced RTP payload format draft with RFC 5215.
* Bare bones self test under 'make check'.
* Fix a problem encoding some streams between 14 and 28 kHz.
* Fix a numerical instability in the edge extrapolation filter.
* Build system improvements.
* Specification correction.
libvorbis 1.2.0 (2007-07-25) -- "Xiph.Org libVorbis I 20070622"
* new ov_fopen() convenience call that avoids the common
stdio conflicts with ov_open() and MSVC runtimes.
* libvorbisfile now handles multiplexed streams
* improve robustness to corrupt input streams
* fix a minor encoder bug
* updated RTP draft
* build system updates
* minor corrections to the specification
libvorbis 1.1.2 (2005-11-27) -- "Xiph.Org libVorbis I 20050304"
* fix a serious encoder bug with gcc 4 optimized builds
* documentation and spec fixes
* updated VS2003 and XCode builds
* new draft RTP encapsulation spec
libvorbis 1.1.1 (2005-06-27) -- "Xiph.Org libVorbis I 20050304"
* bug fix to the bitrate management encoder interface
* bug fix to properly set packetno field in the encoder
* new draft RTP encapsulation spec
* library API documentation improvements
libvorbis 1.1.0 (2004-09-22) -- "Xiph.Org libVorbis I 20040629"
* merges tuning improvements from Aoyumi's aoTuV with fixups
* new managed bitrate (CBR) mode support
* new vorbis_encoder_ctl() interface
* extensive documentation updates
* application/ogg mimetype is now official
* autotools cleanup from Thomas Vander Stichele
* SymbianOS build support from Colin Ward at CSIRO
* various bugfixes
* various packaging improvements
libvorbis 1.0.1 (2003-11-17) -- "Xiph.Org libVorbis I 20030909"
* numerous bug fixes
* specification corrections
* new crosslap and halfrate APIs for game use
* packaging and build updates
libvorbis 1.0.0 (2002-07-19) -- "Xiph.Org libVorbis I 20020717"
* first stable release

28
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Copyright (c) 2002-2015 Xiph.org Foundation
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.org Foundation, http://www.xiph.org/ *
* *
********************************************************************
Vorbis is a general purpose audio and music encoding format
contemporary to MPEG-4's AAC and TwinVQ, the next generation beyond
MPEG audio layer 3. Unlike the MPEG sponsored formats (and other
proprietary formats such as RealAudio G2 and Windows' flavor of the
month), the Vorbis CODEC specification belongs to the public domain.
All the technical details are published and documented, and any
software entity may make full use of the format without license
fee, royalty or patent concerns.
This package contains:
* libvorbis, a BSD-style license software implementation of
the Vorbis specification by the Xiph.Org Foundation
(http://www.xiph.org/)
* libvorbisfile, a BSD-style license convenience library
built on Vorbis designed to simplify common uses
* libvorbisenc, a BSD-style license library that provides a simple,
programmatic encoding setup interface
* example code making use of libogg, libvorbis, libvorbisfile and
libvorbisenc
WHAT'S HERE:
This source distribution includes libvorbis and an example
encoder/player to demonstrate use of libvorbis as well as
documentation on the Ogg Vorbis audio coding format.
You'll need libogg (distributed separately) to compile this library.
A more comprehensive set of utilities is available in the vorbis-tools
package.
Directory:
./lib The source for the libraries, a BSD-license implementation
of the public domain Ogg Vorbis audio encoding format.
./include Library API headers
./debian Rules/spec files for building Debian .deb packages
./doc Vorbis documentation
./examples Example code illustrating programmatic use of libvorbis,
libvorbisfile and libvorbisenc
./mac Codewarrior project files and build tweaks for MacOS.
./macosx Project files for MacOS X.
./win32 Win32 projects files and build automation
./vq Internal utilities for training/building new LSP/residue
and auxiliary codebooks.
CONTACT:
The Ogg homepage is located at 'http://www.xiph.org/ogg/'.
Vorbis's homepage is located at 'http://www.xiph.org/vorbis/'.
Up to date technical documents, contact information, source code and
pre-built utilities may be found there.
The user website for Ogg Vorbis software and audio is http://vorbis.com/
BUILDING FROM TRUNK:
Development source is under subversion revision control at
https://svn.xiph.org/trunk/vorbis/. You will also need the
newest versions of autoconf, automake, libtool and pkg-config in
order to compile Vorbis from development source. A configure script
is provided for you in the source tarball distributions.
[update or checkout latest source]
./autogen.sh
make
and as root if desired:
make install
This will install the Vorbis libraries (static and shared) into
/usr/local/lib, includes into /usr/local/include and API manpages
(once we write some) into /usr/local/man.
Documentation building requires xsltproc and pdfxmltex.
BUILDING FROM TARBALL DISTRIBUTIONS:
./configure
make
and optionally (as root):
make install
BUILDING RPMS:
after normal configuring:
make dist
rpm -ta libvorbis-<version>.tar.gz
BUILDING ON MACOS 9:
Vorbis on MacOS 9 is built using Metroworks CodeWarrior. To build it,
first verify that the Ogg libraries are already built following the
instructions in the Ogg module README. Open vorbis/mac/libvorbis.mcp,
switch to the "Targets" pane, select everything, and make the project.
Do the same thing to build libvorbisenc.mcp, and libvorbisfile.mcp (in
that order). In vorbis/mac/Output you will now have both debug and final
versions of Vorbis shared libraries to link your projects against.
To build a project using Ogg Vorbis, add access paths to your
CodeWarrior project for the ogg/include, ogg/mac/Output,
vorbis/include, and vorbis/mac/Output folders. Be sure that
"interpret DOS and Unix paths" is turned on in your project; it can
be found in the "access paths" pane in your project settings. Now
simply add the shared libraries you need to your project (OggLib and
VorbisLib at least) and #include "ogg/ogg.h" and "vorbis/codec.h"
wherever you need to access Ogg and Vorbis functionality.

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
********************************************************************
function: libvorbis codec headers
last mod: $Id: codec.h 17021 2010-03-24 09:29:41Z xiphmont $
********************************************************************/
#ifndef _vorbis_codec_h_
#define _vorbis_codec_h_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include <ogg/ogg.h>
typedef struct vorbis_info{
int version;
int channels;
long rate;
/* The below bitrate declarations are *hints*.
Combinations of the three values carry the following implications:
all three set to the same value:
implies a fixed rate bitstream
only nominal set:
implies a VBR stream that averages the nominal bitrate. No hard
upper/lower limit
upper and or lower set:
implies a VBR bitstream that obeys the bitrate limits. nominal
may also be set to give a nominal rate.
none set:
the coder does not care to speculate.
*/
long bitrate_upper;
long bitrate_nominal;
long bitrate_lower;
long bitrate_window;
void *codec_setup;
} vorbis_info;
/* vorbis_dsp_state buffers the current vorbis audio
analysis/synthesis state. The DSP state belongs to a specific
logical bitstream ****************************************************/
typedef struct vorbis_dsp_state{
int analysisp;
vorbis_info *vi;
float **pcm;
float **pcmret;
int pcm_storage;
int pcm_current;
int pcm_returned;
int preextrapolate;
int eofflag;
long lW;
long W;
long nW;
long centerW;
ogg_int64_t granulepos;
ogg_int64_t sequence;
ogg_int64_t glue_bits;
ogg_int64_t time_bits;
ogg_int64_t floor_bits;
ogg_int64_t res_bits;
void *backend_state;
} vorbis_dsp_state;
typedef struct vorbis_block{
/* necessary stream state for linking to the framing abstraction */
float **pcm; /* this is a pointer into local storage */
oggpack_buffer opb;
long lW;
long W;
long nW;
int pcmend;
int mode;
int eofflag;
ogg_int64_t granulepos;
ogg_int64_t sequence;
vorbis_dsp_state *vd; /* For read-only access of configuration */
/* local storage to avoid remallocing; it's up to the mapping to
structure it */
void *localstore;
long localtop;
long localalloc;
long totaluse;
struct alloc_chain *reap;
/* bitmetrics for the frame */
long glue_bits;
long time_bits;
long floor_bits;
long res_bits;
void *internal;
} vorbis_block;
/* vorbis_block is a single block of data to be processed as part of
the analysis/synthesis stream; it belongs to a specific logical
bitstream, but is independent from other vorbis_blocks belonging to
that logical bitstream. *************************************************/
struct alloc_chain{
void *ptr;
struct alloc_chain *next;
};
/* vorbis_info contains all the setup information specific to the
specific compression/decompression mode in progress (eg,
psychoacoustic settings, channel setup, options, codebook
etc). vorbis_info and substructures are in backends.h.
*********************************************************************/
/* the comments are not part of vorbis_info so that vorbis_info can be
static storage */
typedef struct vorbis_comment{
/* unlimited user comment fields. libvorbis writes 'libvorbis'
whatever vendor is set to in encode */
char **user_comments;
int *comment_lengths;
int comments;
char *vendor;
} vorbis_comment;
/* libvorbis encodes in two abstraction layers; first we perform DSP
and produce a packet (see docs/analysis.txt). The packet is then
coded into a framed OggSquish bitstream by the second layer (see
docs/framing.txt). Decode is the reverse process; we sync/frame
the bitstream and extract individual packets, then decode the
packet back into PCM audio.
The extra framing/packetizing is used in streaming formats, such as
files. Over the net (such as with UDP), the framing and
packetization aren't necessary as they're provided by the transport
and the streaming layer is not used */
/* Vorbis PRIMITIVES: general ***************************************/
extern void vorbis_info_init(vorbis_info *vi);
extern void vorbis_info_clear(vorbis_info *vi);
extern int vorbis_info_blocksize(vorbis_info *vi,int zo);
extern void vorbis_comment_init(vorbis_comment *vc);
extern void vorbis_comment_add(vorbis_comment *vc, const char *comment);
extern void vorbis_comment_add_tag(vorbis_comment *vc,
const char *tag, const char *contents);
extern char *vorbis_comment_query(vorbis_comment *vc, const char *tag, int count);
extern int vorbis_comment_query_count(vorbis_comment *vc, const char *tag);
extern void vorbis_comment_clear(vorbis_comment *vc);
extern int vorbis_block_init(vorbis_dsp_state *v, vorbis_block *vb);
extern int vorbis_block_clear(vorbis_block *vb);
extern void vorbis_dsp_clear(vorbis_dsp_state *v);
extern double vorbis_granule_time(vorbis_dsp_state *v,
ogg_int64_t granulepos);
extern const char *vorbis_version_string(void);
/* Vorbis PRIMITIVES: analysis/DSP layer ****************************/
extern int vorbis_analysis_init(vorbis_dsp_state *v,vorbis_info *vi);
extern int vorbis_commentheader_out(vorbis_comment *vc, ogg_packet *op);
extern int vorbis_analysis_headerout(vorbis_dsp_state *v,
vorbis_comment *vc,
ogg_packet *op,
ogg_packet *op_comm,
ogg_packet *op_code);
extern float **vorbis_analysis_buffer(vorbis_dsp_state *v,int vals);
extern int vorbis_analysis_wrote(vorbis_dsp_state *v,int vals);
extern int vorbis_analysis_blockout(vorbis_dsp_state *v,vorbis_block *vb);
extern int vorbis_analysis(vorbis_block *vb,ogg_packet *op);
extern int vorbis_bitrate_addblock(vorbis_block *vb);
extern int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd,
ogg_packet *op);
/* Vorbis PRIMITIVES: synthesis layer *******************************/
extern int vorbis_synthesis_idheader(ogg_packet *op);
extern int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,
ogg_packet *op);
extern int vorbis_synthesis_init(vorbis_dsp_state *v,vorbis_info *vi);
extern int vorbis_synthesis_restart(vorbis_dsp_state *v);
extern int vorbis_synthesis(vorbis_block *vb,ogg_packet *op);
extern int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op);
extern int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb);
extern int vorbis_synthesis_pcmout(vorbis_dsp_state *v,float ***pcm);
extern int vorbis_synthesis_lapout(vorbis_dsp_state *v,float ***pcm);
extern int vorbis_synthesis_read(vorbis_dsp_state *v,int samples);
extern long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op);
extern int vorbis_synthesis_halfrate(vorbis_info *v,int flag);
extern int vorbis_synthesis_halfrate_p(vorbis_info *v);
/* Vorbis ERRORS and return codes ***********************************/
#define OV_FALSE -1
#define OV_EOF -2
#define OV_HOLE -3
#define OV_EREAD -128
#define OV_EFAULT -129
#define OV_EIMPL -130
#define OV_EINVAL -131
#define OV_ENOTVORBIS -132
#define OV_EBADHEADER -133
#define OV_EVERSION -134
#define OV_ENOTAUDIO -135
#define OV_EBADPACKET -136
#define OV_EBADLINK -137
#define OV_ENOSEEK -138
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: vorbis encode-engine setup
last mod: $Id: vorbisenc.h 17021 2010-03-24 09:29:41Z xiphmont $
********************************************************************/
/** \file
* Libvorbisenc is a convenient API for setting up an encoding
* environment using libvorbis. Libvorbisenc encapsulates the
* actions needed to set up the encoder properly.
*/
#ifndef _OV_ENC_H_
#define _OV_ENC_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include "codec.h"
/**
* This is the primary function within libvorbisenc for setting up managed
* bitrate modes.
*
* Before this function is called, the \ref vorbis_info
* struct should be initialized by using vorbis_info_init() from the libvorbis
* API. After encoding, vorbis_info_clear() should be called.
*
* The max_bitrate, nominal_bitrate, and min_bitrate settings are used to set
* constraints for the encoded file. This function uses these settings to
* select the appropriate encoding mode and set it up.
*
* \param vi Pointer to an initialized \ref vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param max_bitrate Desired maximum bitrate (limit). -1 indicates unset.
* \param nominal_bitrate Desired average, or central, bitrate. -1 indicates unset.
* \param min_bitrate Desired minimum bitrate. -1 indicates unset.
*
* \return Zero for success, and negative values for failure.
*
* \retval 0 Success.
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with bitrate request.
*/
extern int vorbis_encode_init(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
/**
* This function performs step-one of a three-step bitrate-managed encode
* setup. It functions similarly to the one-step setup performed by \ref
* vorbis_encode_init but allows an application to make further encode setup
* tweaks using \ref vorbis_encode_ctl before finally calling \ref
* vorbis_encode_setup_init to complete the setup process.
*
* Before this function is called, the \ref vorbis_info struct should be
* initialized by using vorbis_info_init() from the libvorbis API. After
* encoding, vorbis_info_clear() should be called.
*
* The max_bitrate, nominal_bitrate, and min_bitrate settings are used to set
* constraints for the encoded file. This function uses these settings to
* select the appropriate encoding mode and set it up.
*
* \param vi Pointer to an initialized vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param max_bitrate Desired maximum bitrate (limit). -1 indicates unset.
* \param nominal_bitrate Desired average, or central, bitrate. -1 indicates unset.
* \param min_bitrate Desired minimum bitrate. -1 indicates unset.
*
* \return Zero for success, and negative for failure.
*
* \retval 0 Success
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with bitrate request.
*/
extern int vorbis_encode_setup_managed(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
/**
* This function performs step-one of a three-step variable bitrate
* (quality-based) encode setup. It functions similarly to the one-step setup
* performed by \ref vorbis_encode_init_vbr() but allows an application to
* make further encode setup tweaks using \ref vorbis_encode_ctl() before
* finally calling \ref vorbis_encode_setup_init to complete the setup
* process.
*
* Before this function is called, the \ref vorbis_info struct should be
* initialized by using \ref vorbis_info_init() from the libvorbis API. After
* encoding, vorbis_info_clear() should be called.
*
* \param vi Pointer to an initialized vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
*
* \return Zero for success, and negative values for failure.
*
* \retval 0 Success
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
*/
extern int vorbis_encode_setup_vbr(vorbis_info *vi,
long channels,
long rate,
float quality
);
/**
* This is the primary function within libvorbisenc for setting up variable
* bitrate ("quality" based) modes.
*
*
* Before this function is called, the vorbis_info struct should be
* initialized by using vorbis_info_init() from the libvorbis API. After
* encoding, vorbis_info_clear() should be called.
*
* \param vi Pointer to an initialized vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param base_quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
*
*
* \return Zero for success, or a negative number for failure.
*
* \retval 0 Success
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
*/
extern int vorbis_encode_init_vbr(vorbis_info *vi,
long channels,
long rate,
float base_quality
);
/**
* This function performs the last stage of three-step encoding setup, as
* described in the API overview under managed bitrate modes.
*
* Before this function is called, the \ref vorbis_info struct should be
* initialized by using vorbis_info_init() from the libvorbis API, one of
* \ref vorbis_encode_setup_managed() or \ref vorbis_encode_setup_vbr() called to
* initialize the high-level encoding setup, and \ref vorbis_encode_ctl()
* called if necessary to make encoding setup changes.
* vorbis_encode_setup_init() finalizes the highlevel encoding structure into
* a complete encoding setup after which the application may make no further
* setup changes.
*
* After encoding, vorbis_info_clear() should be called.
*
* \param vi Pointer to an initialized \ref vorbis_info struct.
*
* \return Zero for success, and negative values for failure.
*
* \retval 0 Success.
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
*
* \retval OV_EINVAL Attempt to use vorbis_encode_setup_init() without first
* calling one of vorbis_encode_setup_managed() or vorbis_encode_setup_vbr() to
* initialize the high-level encoding setup
*
*/
extern int vorbis_encode_setup_init(vorbis_info *vi);
/**
* This function implements a generic interface to miscellaneous encoder
* settings similar to the classic UNIX 'ioctl()' system call. Applications
* may use vorbis_encode_ctl() to query or set bitrate management or quality
* mode details by using one of several \e request arguments detailed below.
* vorbis_encode_ctl() must be called after one of
* vorbis_encode_setup_managed() or vorbis_encode_setup_vbr(). When used
* to modify settings, \ref vorbis_encode_ctl() must be called before \ref
* vorbis_encode_setup_init().
*
* \param vi Pointer to an initialized vorbis_info struct.
*
* \param number Specifies the desired action; See \ref encctlcodes "the list
* of available requests".
*
* \param arg void * pointing to a data structure matching the request
* argument.
*
* \retval 0 Success. Any further return information (such as the result of a
* query) is placed into the storage pointed to by *arg.
*
* \retval OV_EINVAL Invalid argument, or an attempt to modify a setting after
* calling vorbis_encode_setup_init().
*
* \retval OV_EIMPL Unimplemented or unknown request
*/
extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);
/**
* \deprecated This is a deprecated interface. Please use vorbis_encode_ctl()
* with the \ref ovectl_ratemanage2_arg struct and \ref
* OV_ECTL_RATEMANAGE2_GET and \ref OV_ECTL_RATEMANAGE2_SET calls in new code.
*
* The \ref ovectl_ratemanage_arg structure is used with vorbis_encode_ctl()
* and the \ref OV_ECTL_RATEMANAGE_GET, \ref OV_ECTL_RATEMANAGE_SET, \ref
* OV_ECTL_RATEMANAGE_AVG, \ref OV_ECTL_RATEMANAGE_HARD calls in order to
* query and modify specifics of the encoder's bitrate management
* configuration.
*/
struct ovectl_ratemanage_arg {
int management_active; /**< nonzero if bitrate management is active*/
/** hard lower limit (in kilobits per second) below which the stream bitrate
will never be allowed for any given bitrate_hard_window seconds of time.*/
long bitrate_hard_min;
/** hard upper limit (in kilobits per second) above which the stream bitrate
will never be allowed for any given bitrate_hard_window seconds of time.*/
long bitrate_hard_max;
/** the window period (in seconds) used to regulate the hard bitrate minimum
and maximum*/
double bitrate_hard_window;
/** soft lower limit (in kilobits per second) below which the average bitrate
tracker will start nudging the bitrate higher.*/
long bitrate_av_lo;
/** soft upper limit (in kilobits per second) above which the average bitrate
tracker will start nudging the bitrate lower.*/
long bitrate_av_hi;
/** the window period (in seconds) used to regulate the average bitrate
minimum and maximum.*/
double bitrate_av_window;
/** Regulates the relative centering of the average and hard windows; in
libvorbis 1.0 and 1.0.1, the hard window regulation overlapped but
followed the average window regulation. In libvorbis 1.1 a bit-reservoir
interface replaces the old windowing interface; the older windowing
interface is simulated and this field has no effect.*/
double bitrate_av_window_center;
};
/**
* \name struct ovectl_ratemanage2_arg
*
* The ovectl_ratemanage2_arg structure is used with vorbis_encode_ctl() and
* the OV_ECTL_RATEMANAGE2_GET and OV_ECTL_RATEMANAGE2_SET calls in order to
* query and modify specifics of the encoder's bitrate management
* configuration.
*
*/
struct ovectl_ratemanage2_arg {
int management_active; /**< nonzero if bitrate management is active */
/** Lower allowed bitrate limit in kilobits per second */
long bitrate_limit_min_kbps;
/** Upper allowed bitrate limit in kilobits per second */
long bitrate_limit_max_kbps;
long bitrate_limit_reservoir_bits; /**<Size of the bitrate reservoir in bits */
/** Regulates the bitrate reservoir's preferred fill level in a range from 0.0
* to 1.0; 0.0 tries to bank bits to buffer against future bitrate spikes, 1.0
* buffers against future sudden drops in instantaneous bitrate. Default is
* 0.1
*/
double bitrate_limit_reservoir_bias;
/** Average bitrate setting in kilobits per second */
long bitrate_average_kbps;
/** Slew rate limit setting for average bitrate adjustment; sets the minimum
* time in seconds the bitrate tracker may swing from one extreme to the
* other when boosting or damping average bitrate.
*/
double bitrate_average_damping;
};
/**
* \name vorbis_encode_ctl() codes
*
* \anchor encctlcodes
*
* These values are passed as the \c number parameter of vorbis_encode_ctl().
* The type of the referent of that function's \c arg pointer depends on these
* codes.
*/
/*@{*/
/**
* Query the current encoder bitrate management setting.
*
*Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
*
* Used to query the current encoder bitrate management setting. Also used to
* initialize fields of an ovectl_ratemanage2_arg structure for use with
* \ref OV_ECTL_RATEMANAGE2_SET.
*/
#define OV_ECTL_RATEMANAGE2_GET 0x14
/**
* Set the current encoder bitrate management settings.
*
* Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
*
* Used to set the current encoder bitrate management settings to the values
* listed in the ovectl_ratemanage2_arg. Passing a NULL pointer will disable
* bitrate management.
*/
#define OV_ECTL_RATEMANAGE2_SET 0x15
/**
* Returns the current encoder hard-lowpass setting (kHz) in the double
* pointed to by arg.
*
* Argument: <tt>double *</tt>
*/
#define OV_ECTL_LOWPASS_GET 0x20
/**
* Sets the encoder hard-lowpass to the value (kHz) pointed to by arg. Valid
* lowpass settings range from 2 to 99.
*
* Argument: <tt>double *</tt>
*/
#define OV_ECTL_LOWPASS_SET 0x21
/**
* Returns the current encoder impulse block setting in the double pointed
* to by arg.
*
* Argument: <tt>double *</tt>
*/
#define OV_ECTL_IBLOCK_GET 0x30
/**
* Sets the impulse block bias to the the value pointed to by arg.
*
* Argument: <tt>double *</tt>
*
* Valid range is -15.0 to 0.0 [default]. A negative impulse block bias will
* direct to encoder to use more bits when incoding short blocks that contain
* strong impulses, thus improving the accuracy of impulse encoding.
*/
#define OV_ECTL_IBLOCK_SET 0x31
/**
* Returns the current encoder coupling setting in the int pointed
* to by arg.
*
* Argument: <tt>int *</tt>
*/
#define OV_ECTL_COUPLING_GET 0x40
/**
* Enables/disables channel coupling in multichannel encoding according to arg.
*
* Argument: <tt>int *</tt>
*
* Zero disables channel coupling for multichannel inputs, nonzer enables
* channel coupling. Setting has no effect on monophonic encoding or
* multichannel counts that do not offer coupling. At present, coupling is
* available for stereo and 5.1 encoding.
*/
#define OV_ECTL_COUPLING_SET 0x41
/* deprecated rate management supported only for compatibility */
/**
* Old interface to querying bitrate management settings.
*
* Deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_GET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_GET 0x10
/**
* Old interface to modifying bitrate management settings.
*
* deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
*
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_SET 0x11
/**
* Old interface to setting average-bitrate encoding mode.
*
* Deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
*
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_AVG 0x12
/**
* Old interface to setting bounded-bitrate encoding modes.
*
* deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
*
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_HARD 0x13
/*@}*/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: stdio-based convenience library for opening/seeking/decoding
last mod: $Id: vorbisfile.h 17182 2010-04-29 03:48:32Z xiphmont $
********************************************************************/
#ifndef _OV_FILE_H_
#define _OV_FILE_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include <stdio.h>
#include "codec.h"
/* The function prototypes for the callbacks are basically the same as for
* the stdio functions fread, fseek, fclose, ftell.
* The one difference is that the FILE * arguments have been replaced with
* a void * - this is to be used as a pointer to whatever internal data these
* functions might need. In the stdio case, it's just a FILE * cast to a void *
*
* If you use other functions, check the docs for these functions and return
* the right values. For seek_func(), you *MUST* return -1 if the stream is
* unseekable
*/
typedef struct {
size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource);
int (*seek_func) (void *datasource, ogg_int64_t offset, int whence);
int (*close_func) (void *datasource);
long (*tell_func) (void *datasource);
} ov_callbacks;
#ifndef OV_EXCLUDE_STATIC_CALLBACKS
/* a few sets of convenient callbacks, especially for use under
* Windows where ov_open_callbacks() should always be used instead of
* ov_open() to avoid problems with incompatible crt.o version linking
* issues. */
static int _ov_header_fseek_wrap(FILE *f,ogg_int64_t off,int whence){
if(f==NULL)return(-1);
#ifdef __MINGW32__
return fseeko64(f,off,whence);
#elif defined (_WIN32)
return _fseeki64(f,off,whence);
#else
return fseek(f,off,whence);
#endif
}
/* These structs below (OV_CALLBACKS_DEFAULT etc) are defined here as
* static data. That means that every file which includes this header
* will get its own copy of these structs whether it uses them or
* not unless it #defines OV_EXCLUDE_STATIC_CALLBACKS.
* These static symbols are essential on platforms such as Windows on
* which several different versions of stdio support may be linked to
* by different DLLs, and we need to be certain we know which one
* we're using (the same one as the main application).
*/
static ov_callbacks OV_CALLBACKS_DEFAULT = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) _ov_header_fseek_wrap,
(int (*)(void *)) fclose,
(long (*)(void *)) ftell
};
static ov_callbacks OV_CALLBACKS_NOCLOSE = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) _ov_header_fseek_wrap,
(int (*)(void *)) NULL,
(long (*)(void *)) ftell
};
static ov_callbacks OV_CALLBACKS_STREAMONLY = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) NULL,
(int (*)(void *)) fclose,
(long (*)(void *)) NULL
};
static ov_callbacks OV_CALLBACKS_STREAMONLY_NOCLOSE = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) NULL,
(int (*)(void *)) NULL,
(long (*)(void *)) NULL
};
#endif
#define NOTOPEN 0
#define PARTOPEN 1
#define OPENED 2
#define STREAMSET 3
#define INITSET 4
typedef struct OggVorbis_File {
void *datasource; /* Pointer to a FILE *, etc. */
int seekable;
ogg_int64_t offset;
ogg_int64_t end;
ogg_sync_state oy;
/* If the FILE handle isn't seekable (eg, a pipe), only the current
stream appears */
int links;
ogg_int64_t *offsets;
ogg_int64_t *dataoffsets;
long *serialnos;
ogg_int64_t *pcmlengths; /* overloaded to maintain binary
compatibility; x2 size, stores both
beginning and end values */
vorbis_info *vi;
vorbis_comment *vc;
/* Decoding working state local storage */
ogg_int64_t pcm_offset;
int ready_state;
long current_serialno;
int current_link;
double bittrack;
double samptrack;
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
ov_callbacks callbacks;
} OggVorbis_File;
extern int ov_clear(OggVorbis_File *vf);
extern int ov_fopen(const char *path,OggVorbis_File *vf);
extern int ov_open(FILE *f,OggVorbis_File *vf,const char *initial,long ibytes);
extern int ov_open_callbacks(void *datasource, OggVorbis_File *vf,
const char *initial, long ibytes, ov_callbacks callbacks);
extern int ov_test(FILE *f,OggVorbis_File *vf,const char *initial,long ibytes);
extern int ov_test_callbacks(void *datasource, OggVorbis_File *vf,
const char *initial, long ibytes, ov_callbacks callbacks);
extern int ov_test_open(OggVorbis_File *vf);
extern long ov_bitrate(OggVorbis_File *vf,int i);
extern long ov_bitrate_instant(OggVorbis_File *vf);
extern long ov_streams(OggVorbis_File *vf);
extern long ov_seekable(OggVorbis_File *vf);
extern long ov_serialnumber(OggVorbis_File *vf,int i);
extern ogg_int64_t ov_raw_total(OggVorbis_File *vf,int i);
extern ogg_int64_t ov_pcm_total(OggVorbis_File *vf,int i);
extern double ov_time_total(OggVorbis_File *vf,int i);
extern int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_time_seek(OggVorbis_File *vf,double pos);
extern int ov_time_seek_page(OggVorbis_File *vf,double pos);
extern int ov_raw_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek_page_lap(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_time_seek_lap(OggVorbis_File *vf,double pos);
extern int ov_time_seek_page_lap(OggVorbis_File *vf,double pos);
extern ogg_int64_t ov_raw_tell(OggVorbis_File *vf);
extern ogg_int64_t ov_pcm_tell(OggVorbis_File *vf);
extern double ov_time_tell(OggVorbis_File *vf);
extern vorbis_info *ov_info(OggVorbis_File *vf,int link);
extern vorbis_comment *ov_comment(OggVorbis_File *vf,int link);
extern long ov_read_float(OggVorbis_File *vf,float ***pcm_channels,int samples,
int *bitstream);
extern long ov_read_filter(OggVorbis_File *vf,char *buffer,int length,
int bigendianp,int word,int sgned,int *bitstream,
void (*filter)(float **pcm,long channels,long samples,void *filter_param),void *filter_param);
extern long ov_read(OggVorbis_File *vf,char *buffer,int length,
int bigendianp,int word,int sgned,int *bitstream);
extern int ov_crosslap(OggVorbis_File *vf1,OggVorbis_File *vf2);
extern int ov_halfrate(OggVorbis_File *vf,int flag);
extern int ov_halfrate_p(OggVorbis_File *vf);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: single-block PCM analysis mode dispatch
last mod: $Id: analysis.c 16226 2009-07-08 06:43:49Z xiphmont $
********************************************************************/
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "registry.h"
#include "scales.h"
#include "os.h"
#include "misc.h"
/* decides between modes, dispatches to the appropriate mapping. */
int vorbis_analysis(vorbis_block *vb, ogg_packet *op){
int ret,i;
vorbis_block_internal *vbi=vb->internal;
vb->glue_bits=0;
vb->time_bits=0;
vb->floor_bits=0;
vb->res_bits=0;
/* first things first. Make sure encode is ready */
for(i=0;i<PACKETBLOBS;i++)
oggpack_reset(vbi->packetblob[i]);
/* we only have one mapping type (0), and we let the mapping code
itself figure out what soft mode to use. This allows easier
bitrate management */
if((ret=_mapping_P[0]->forward(vb)))
return(ret);
if(op){
if(vorbis_bitrate_managed(vb))
/* The app is using a bitmanaged mode... but not using the
bitrate management interface. */
return(OV_EINVAL);
op->packet=oggpack_get_buffer(&vb->opb);
op->bytes=oggpack_bytes(&vb->opb);
op->b_o_s=0;
op->e_o_s=vb->eofflag;
op->granulepos=vb->granulepos;
op->packetno=vb->sequence; /* for sake of completeness */
}
return(0);
}
#ifdef ANALYSIS
int analysis_noisy=1;
/* there was no great place to put this.... */
void _analysis_output_always(char *base,int i,float *v,int n,int bark,int dB,ogg_int64_t off){
int j;
FILE *of;
char buffer[80];
sprintf(buffer,"%s_%d.m",base,i);
of=fopen(buffer,"w");
if(!of)perror("failed to open data dump file");
for(j=0;j<n;j++){
if(bark){
float b=toBARK((4000.f*j/n)+.25);
fprintf(of,"%f ",b);
}else
if(off!=0)
fprintf(of,"%f ",(double)(j+off)/8000.);
else
fprintf(of,"%f ",(double)j);
if(dB){
float val;
if(v[j]==0.)
val=-140.;
else
val=todB(v+j);
fprintf(of,"%f\n",val);
}else{
fprintf(of,"%f\n",v[j]);
}
}
fclose(of);
}
void _analysis_output(char *base,int i,float *v,int n,int bark,int dB,
ogg_int64_t off){
if(analysis_noisy)_analysis_output_always(base,i,v,n,bark,dB,off);
}
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: libvorbis backend and mapping structures; needed for
static mode headers
last mod: $Id: backends.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
/* this is exposed up here because we need it for static modes.
Lookups for each backend aren't exposed because there's no reason
to do so */
#ifndef _vorbis_backend_h_
#define _vorbis_backend_h_
#include "codec_internal.h"
/* this would all be simpler/shorter with templates, but.... */
/* Floor backend generic *****************************************/
typedef struct{
void (*pack) (vorbis_info_floor *,oggpack_buffer *);
vorbis_info_floor *(*unpack)(vorbis_info *,oggpack_buffer *);
vorbis_look_floor *(*look) (vorbis_dsp_state *,vorbis_info_floor *);
void (*free_info) (vorbis_info_floor *);
void (*free_look) (vorbis_look_floor *);
void *(*inverse1) (struct vorbis_block *,vorbis_look_floor *);
int (*inverse2) (struct vorbis_block *,vorbis_look_floor *,
void *buffer,float *);
} vorbis_func_floor;
typedef struct{
int order;
long rate;
long barkmap;
int ampbits;
int ampdB;
int numbooks; /* <= 16 */
int books[16];
float lessthan; /* encode-only config setting hacks for libvorbis */
float greaterthan; /* encode-only config setting hacks for libvorbis */
} vorbis_info_floor0;
#define VIF_POSIT 63
#define VIF_CLASS 16
#define VIF_PARTS 31
typedef struct{
int partitions; /* 0 to 31 */
int partitionclass[VIF_PARTS]; /* 0 to 15 */
int class_dim[VIF_CLASS]; /* 1 to 8 */
int class_subs[VIF_CLASS]; /* 0,1,2,3 (bits: 1<<n poss) */
int class_book[VIF_CLASS]; /* subs ^ dim entries */
int class_subbook[VIF_CLASS][8]; /* [VIF_CLASS][subs] */
int mult; /* 1 2 3 or 4 */
int postlist[VIF_POSIT+2]; /* first two implicit */
/* encode side analysis parameters */
float maxover;
float maxunder;
float maxerr;
float twofitweight;
float twofitatten;
int n;
} vorbis_info_floor1;
/* Residue backend generic *****************************************/
typedef struct{
void (*pack) (vorbis_info_residue *,oggpack_buffer *);
vorbis_info_residue *(*unpack)(vorbis_info *,oggpack_buffer *);
vorbis_look_residue *(*look) (vorbis_dsp_state *,
vorbis_info_residue *);
void (*free_info) (vorbis_info_residue *);
void (*free_look) (vorbis_look_residue *);
long **(*class) (struct vorbis_block *,vorbis_look_residue *,
int **,int *,int);
int (*forward) (oggpack_buffer *,struct vorbis_block *,
vorbis_look_residue *,
int **,int *,int,long **,int);
int (*inverse) (struct vorbis_block *,vorbis_look_residue *,
float **,int *,int);
} vorbis_func_residue;
typedef struct vorbis_info_residue0{
/* block-partitioned VQ coded straight residue */
long begin;
long end;
/* first stage (lossless partitioning) */
int grouping; /* group n vectors per partition */
int partitions; /* possible codebooks for a partition */
int partvals; /* partitions ^ groupbook dim */
int groupbook; /* huffbook for partitioning */
int secondstages[64]; /* expanded out to pointers in lookup */
int booklist[512]; /* list of second stage books */
const int classmetric1[64];
const int classmetric2[64];
} vorbis_info_residue0;
/* Mapping backend generic *****************************************/
typedef struct{
void (*pack) (vorbis_info *,vorbis_info_mapping *,
oggpack_buffer *);
vorbis_info_mapping *(*unpack)(vorbis_info *,oggpack_buffer *);
void (*free_info) (vorbis_info_mapping *);
int (*forward) (struct vorbis_block *vb);
int (*inverse) (struct vorbis_block *vb,vorbis_info_mapping *);
} vorbis_func_mapping;
typedef struct vorbis_info_mapping0{
int submaps; /* <= 16 */
int chmuxlist[256]; /* up to 256 channels in a Vorbis stream */
int floorsubmap[16]; /* [mux] submap to floors */
int residuesubmap[16]; /* [mux] submap to residue */
int coupling_steps;
int coupling_mag[256];
int coupling_ang[256];
} vorbis_info_mapping0;
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: bark scale utility
last mod: $Id: barkmel.c 19454 2015-03-02 22:39:28Z xiphmont $
********************************************************************/
#include <stdio.h>
#include "scales.h"
int main(){
int i;
double rate;
for(i=64;i<32000;i*=2){
rate=48000.f;
fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
rate=44100.f;
fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
rate=32000.f;
fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
rate=22050.f;
fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
rate=16000.f;
fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
rate=11025.f;
fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
rate=8000.f;
fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n\n",
rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
}
{
float i;
int j;
for(i=0.,j=0;i<28;i+=1,j++){
fprintf(stderr,"(%d) bark=%f %gHz (%d of 128)\n",
j,i,fromBARK(i),(int)(fromBARK(i)/22050.*128.));
}
}
return(0);
}

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: bitrate tracking and management
last mod: $Id: bitrate.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "os.h"
#include "misc.h"
#include "bitrate.h"
/* compute bitrate tracking setup */
void vorbis_bitrate_init(vorbis_info *vi,bitrate_manager_state *bm){
codec_setup_info *ci=vi->codec_setup;
bitrate_manager_info *bi=&ci->bi;
memset(bm,0,sizeof(*bm));
if(bi && (bi->reservoir_bits>0)){
long ratesamples=vi->rate;
int halfsamples=ci->blocksizes[0]>>1;
bm->short_per_long=ci->blocksizes[1]/ci->blocksizes[0];
bm->managed=1;
bm->avg_bitsper= rint(1.*bi->avg_rate*halfsamples/ratesamples);
bm->min_bitsper= rint(1.*bi->min_rate*halfsamples/ratesamples);
bm->max_bitsper= rint(1.*bi->max_rate*halfsamples/ratesamples);
bm->avgfloat=PACKETBLOBS/2;
/* not a necessary fix, but one that leads to a more balanced
typical initialization */
{
long desired_fill=bi->reservoir_bits*bi->reservoir_bias;
bm->minmax_reservoir=desired_fill;
bm->avg_reservoir=desired_fill;
}
}
}
void vorbis_bitrate_clear(bitrate_manager_state *bm){
memset(bm,0,sizeof(*bm));
return;
}
int vorbis_bitrate_managed(vorbis_block *vb){
vorbis_dsp_state *vd=vb->vd;
private_state *b=vd->backend_state;
bitrate_manager_state *bm=&b->bms;
if(bm && bm->managed)return(1);
return(0);
}
/* finish taking in the block we just processed */
int vorbis_bitrate_addblock(vorbis_block *vb){
vorbis_block_internal *vbi=vb->internal;
vorbis_dsp_state *vd=vb->vd;
private_state *b=vd->backend_state;
bitrate_manager_state *bm=&b->bms;
vorbis_info *vi=vd->vi;
codec_setup_info *ci=vi->codec_setup;
bitrate_manager_info *bi=&ci->bi;
int choice=rint(bm->avgfloat);
long this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
long min_target_bits=(vb->W?bm->min_bitsper*bm->short_per_long:bm->min_bitsper);
long max_target_bits=(vb->W?bm->max_bitsper*bm->short_per_long:bm->max_bitsper);
int samples=ci->blocksizes[vb->W]>>1;
long desired_fill=bi->reservoir_bits*bi->reservoir_bias;
if(!bm->managed){
/* not a bitrate managed stream, but for API simplicity, we'll
buffer the packet to keep the code path clean */
if(bm->vb)return(-1); /* one has been submitted without
being claimed */
bm->vb=vb;
return(0);
}
bm->vb=vb;
/* look ahead for avg floater */
if(bm->avg_bitsper>0){
double slew=0.;
long avg_target_bits=(vb->W?bm->avg_bitsper*bm->short_per_long:bm->avg_bitsper);
double slewlimit= 15./bi->slew_damp;
/* choosing a new floater:
if we're over target, we slew down
if we're under target, we slew up
choose slew as follows: look through packetblobs of this frame
and set slew as the first in the appropriate direction that
gives us the slew we want. This may mean no slew if delta is
already favorable.
Then limit slew to slew max */
if(bm->avg_reservoir+(this_bits-avg_target_bits)>desired_fill){
while(choice>0 && this_bits>avg_target_bits &&
bm->avg_reservoir+(this_bits-avg_target_bits)>desired_fill){
choice--;
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}else if(bm->avg_reservoir+(this_bits-avg_target_bits)<desired_fill){
while(choice+1<PACKETBLOBS && this_bits<avg_target_bits &&
bm->avg_reservoir+(this_bits-avg_target_bits)<desired_fill){
choice++;
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}
slew=rint(choice-bm->avgfloat)/samples*vi->rate;
if(slew<-slewlimit)slew=-slewlimit;
if(slew>slewlimit)slew=slewlimit;
choice=rint(bm->avgfloat+= slew/vi->rate*samples);
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
/* enforce min(if used) on the current floater (if used) */
if(bm->min_bitsper>0){
/* do we need to force the bitrate up? */
if(this_bits<min_target_bits){
while(bm->minmax_reservoir-(min_target_bits-this_bits)<0){
choice++;
if(choice>=PACKETBLOBS)break;
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}
}
/* enforce max (if used) on the current floater (if used) */
if(bm->max_bitsper>0){
/* do we need to force the bitrate down? */
if(this_bits>max_target_bits){
while(bm->minmax_reservoir+(this_bits-max_target_bits)>bi->reservoir_bits){
choice--;
if(choice<0)break;
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}
}
/* Choice of packetblobs now made based on floater, and min/max
requirements. Now boundary check extreme choices */
if(choice<0){
/* choosing a smaller packetblob is insufficient to trim bitrate.
frame will need to be truncated */
long maxsize=(max_target_bits+(bi->reservoir_bits-bm->minmax_reservoir))/8;
bm->choice=choice=0;
if(oggpack_bytes(vbi->packetblob[choice])>maxsize){
oggpack_writetrunc(vbi->packetblob[choice],maxsize*8);
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
}else{
long minsize=(min_target_bits-bm->minmax_reservoir+7)/8;
if(choice>=PACKETBLOBS)
choice=PACKETBLOBS-1;
bm->choice=choice;
/* prop up bitrate according to demand. pad this frame out with zeroes */
minsize-=oggpack_bytes(vbi->packetblob[choice]);
while(minsize-->0)oggpack_write(vbi->packetblob[choice],0,8);
this_bits=oggpack_bytes(vbi->packetblob[choice])*8;
}
/* now we have the final packet and the final packet size. Update statistics */
/* min and max reservoir */
if(bm->min_bitsper>0 || bm->max_bitsper>0){
if(max_target_bits>0 && this_bits>max_target_bits){
bm->minmax_reservoir+=(this_bits-max_target_bits);
}else if(min_target_bits>0 && this_bits<min_target_bits){
bm->minmax_reservoir+=(this_bits-min_target_bits);
}else{
/* inbetween; we want to take reservoir toward but not past desired_fill */
if(bm->minmax_reservoir>desired_fill){
if(max_target_bits>0){ /* logical bulletproofing against initialization state */
bm->minmax_reservoir+=(this_bits-max_target_bits);
if(bm->minmax_reservoir<desired_fill)bm->minmax_reservoir=desired_fill;
}else{
bm->minmax_reservoir=desired_fill;
}
}else{
if(min_target_bits>0){ /* logical bulletproofing against initialization state */
bm->minmax_reservoir+=(this_bits-min_target_bits);
if(bm->minmax_reservoir>desired_fill)bm->minmax_reservoir=desired_fill;
}else{
bm->minmax_reservoir=desired_fill;
}
}
}
}
/* avg reservoir */
if(bm->avg_bitsper>0){
long avg_target_bits=(vb->W?bm->avg_bitsper*bm->short_per_long:bm->avg_bitsper);
bm->avg_reservoir+=this_bits-avg_target_bits;
}
return(0);
}
int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd,ogg_packet *op){
private_state *b=vd->backend_state;
bitrate_manager_state *bm=&b->bms;
vorbis_block *vb=bm->vb;
int choice=PACKETBLOBS/2;
if(!vb)return 0;
if(op){
vorbis_block_internal *vbi=vb->internal;
if(vorbis_bitrate_managed(vb))
choice=bm->choice;
op->packet=oggpack_get_buffer(vbi->packetblob[choice]);
op->bytes=oggpack_bytes(vbi->packetblob[choice]);
op->b_o_s=0;
op->e_o_s=vb->eofflag;
op->granulepos=vb->granulepos;
op->packetno=vb->sequence; /* for sake of completeness */
}
bm->vb=0;
return(1);
}

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: bitrate tracking and management
last mod: $Id: bitrate.h 13293 2007-07-24 00:09:47Z xiphmont $
********************************************************************/
#ifndef _V_BITRATE_H_
#define _V_BITRATE_H_
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "os.h"
/* encode side bitrate tracking */
typedef struct bitrate_manager_state {
int managed;
long avg_reservoir;
long minmax_reservoir;
long avg_bitsper;
long min_bitsper;
long max_bitsper;
long short_per_long;
double avgfloat;
vorbis_block *vb;
int choice;
} bitrate_manager_state;
typedef struct bitrate_manager_info{
long avg_rate;
long min_rate;
long max_rate;
long reservoir_bits;
double reservoir_bias;
double slew_damp;
} bitrate_manager_info;
extern void vorbis_bitrate_init(vorbis_info *vi,bitrate_manager_state *bs);
extern void vorbis_bitrate_clear(bitrate_manager_state *bs);
extern int vorbis_bitrate_managed(vorbis_block *vb);
extern int vorbis_bitrate_addblock(vorbis_block *vb);
extern int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd, ogg_packet *op);
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: basic codebook pack/unpack/code/decode operations
last mod: $Id: codebook.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codebook.h"
#include "scales.h"
#include "misc.h"
#include "os.h"
/* packs the given codebook into the bitstream **************************/
int vorbis_staticbook_pack(const static_codebook *c,oggpack_buffer *opb){
long i,j;
int ordered=0;
/* first the basic parameters */
oggpack_write(opb,0x564342,24);
oggpack_write(opb,c->dim,16);
oggpack_write(opb,c->entries,24);
/* pack the codewords. There are two packings; length ordered and
length random. Decide between the two now. */
for(i=1;i<c->entries;i++)
if(c->lengthlist[i-1]==0 || c->lengthlist[i]<c->lengthlist[i-1])break;
if(i==c->entries)ordered=1;
if(ordered){
/* length ordered. We only need to say how many codewords of
each length. The actual codewords are generated
deterministically */
long count=0;
oggpack_write(opb,1,1); /* ordered */
oggpack_write(opb,c->lengthlist[0]-1,5); /* 1 to 32 */
for(i=1;i<c->entries;i++){
char this=c->lengthlist[i];
char last=c->lengthlist[i-1];
if(this>last){
for(j=last;j<this;j++){
oggpack_write(opb,i-count,ov_ilog(c->entries-count));
count=i;
}
}
}
oggpack_write(opb,i-count,ov_ilog(c->entries-count));
}else{
/* length random. Again, we don't code the codeword itself, just
the length. This time, though, we have to encode each length */
oggpack_write(opb,0,1); /* unordered */
/* algortihmic mapping has use for 'unused entries', which we tag
here. The algorithmic mapping happens as usual, but the unused
entry has no codeword. */
for(i=0;i<c->entries;i++)
if(c->lengthlist[i]==0)break;
if(i==c->entries){
oggpack_write(opb,0,1); /* no unused entries */
for(i=0;i<c->entries;i++)
oggpack_write(opb,c->lengthlist[i]-1,5);
}else{
oggpack_write(opb,1,1); /* we have unused entries; thus we tag */
for(i=0;i<c->entries;i++){
if(c->lengthlist[i]==0){
oggpack_write(opb,0,1);
}else{
oggpack_write(opb,1,1);
oggpack_write(opb,c->lengthlist[i]-1,5);
}
}
}
}
/* is the entry number the desired return value, or do we have a
mapping? If we have a mapping, what type? */
oggpack_write(opb,c->maptype,4);
switch(c->maptype){
case 0:
/* no mapping */
break;
case 1:case 2:
/* implicitly populated value mapping */
/* explicitly populated value mapping */
if(!c->quantlist){
/* no quantlist? error */
return(-1);
}
/* values that define the dequantization */
oggpack_write(opb,c->q_min,32);
oggpack_write(opb,c->q_delta,32);
oggpack_write(opb,c->q_quant-1,4);
oggpack_write(opb,c->q_sequencep,1);
{
int quantvals;
switch(c->maptype){
case 1:
/* a single column of (c->entries/c->dim) quantized values for
building a full value list algorithmically (square lattice) */
quantvals=_book_maptype1_quantvals(c);
break;
case 2:
/* every value (c->entries*c->dim total) specified explicitly */
quantvals=c->entries*c->dim;
break;
default: /* NOT_REACHABLE */
quantvals=-1;
}
/* quantized values */
for(i=0;i<quantvals;i++)
oggpack_write(opb,labs(c->quantlist[i]),c->q_quant);
}
break;
default:
/* error case; we don't have any other map types now */
return(-1);
}
return(0);
}
/* unpacks a codebook from the packet buffer into the codebook struct,
readies the codebook auxiliary structures for decode *************/
static_codebook *vorbis_staticbook_unpack(oggpack_buffer *opb){
long i,j;
static_codebook *s=_ogg_calloc(1,sizeof(*s));
s->allocedp=1;
/* make sure alignment is correct */
if(oggpack_read(opb,24)!=0x564342)goto _eofout;
/* first the basic parameters */
s->dim=oggpack_read(opb,16);
s->entries=oggpack_read(opb,24);
if(s->entries==-1)goto _eofout;
if(ov_ilog(s->dim)+ov_ilog(s->entries)>24)goto _eofout;
/* codeword ordering.... length ordered or unordered? */
switch((int)oggpack_read(opb,1)){
case 0:{
long unused;
/* allocated but unused entries? */
unused=oggpack_read(opb,1);
if((s->entries*(unused?1:5)+7)>>3>opb->storage-oggpack_bytes(opb))
goto _eofout;
/* unordered */
s->lengthlist=_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
/* allocated but unused entries? */
if(unused){
/* yes, unused entries */
for(i=0;i<s->entries;i++){
if(oggpack_read(opb,1)){
long num=oggpack_read(opb,5);
if(num==-1)goto _eofout;
s->lengthlist[i]=num+1;
}else
s->lengthlist[i]=0;
}
}else{
/* all entries used; no tagging */
for(i=0;i<s->entries;i++){
long num=oggpack_read(opb,5);
if(num==-1)goto _eofout;
s->lengthlist[i]=num+1;
}
}
break;
}
case 1:
/* ordered */
{
long length=oggpack_read(opb,5)+1;
if(length==0)goto _eofout;
s->lengthlist=_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
for(i=0;i<s->entries;){
long num=oggpack_read(opb,ov_ilog(s->entries-i));
if(num==-1)goto _eofout;
if(length>32 || num>s->entries-i ||
(num>0 && (num-1)>>(length-1)>1)){
goto _errout;
}
if(length>32)goto _errout;
for(j=0;j<num;j++,i++)
s->lengthlist[i]=length;
length++;
}
}
break;
default:
/* EOF */
goto _eofout;
}
/* Do we have a mapping to unpack? */
switch((s->maptype=oggpack_read(opb,4))){
case 0:
/* no mapping */
break;
case 1: case 2:
/* implicitly populated value mapping */
/* explicitly populated value mapping */
s->q_min=oggpack_read(opb,32);
s->q_delta=oggpack_read(opb,32);
s->q_quant=oggpack_read(opb,4)+1;
s->q_sequencep=oggpack_read(opb,1);
if(s->q_sequencep==-1)goto _eofout;
{
int quantvals=0;
switch(s->maptype){
case 1:
quantvals=(s->dim==0?0:_book_maptype1_quantvals(s));
break;
case 2:
quantvals=s->entries*s->dim;
break;
}
/* quantized values */
if(((quantvals*s->q_quant+7)>>3)>opb->storage-oggpack_bytes(opb))
goto _eofout;
s->quantlist=_ogg_malloc(sizeof(*s->quantlist)*quantvals);
for(i=0;i<quantvals;i++)
s->quantlist[i]=oggpack_read(opb,s->q_quant);
if(quantvals&&s->quantlist[quantvals-1]==-1)goto _eofout;
}
break;
default:
goto _errout;
}
/* all set */
return(s);
_errout:
_eofout:
vorbis_staticbook_destroy(s);
return(NULL);
}
/* returns the number of bits ************************************************/
int vorbis_book_encode(codebook *book, int a, oggpack_buffer *b){
if(a<0 || a>=book->c->entries)return(0);
oggpack_write(b,book->codelist[a],book->c->lengthlist[a]);
return(book->c->lengthlist[a]);
}
/* the 'eliminate the decode tree' optimization actually requires the
codewords to be MSb first, not LSb. This is an annoying inelegancy
(and one of the first places where carefully thought out design
turned out to be wrong; Vorbis II and future Ogg codecs should go
to an MSb bitpacker), but not actually the huge hit it appears to
be. The first-stage decode table catches most words so that
bitreverse is not in the main execution path. */
static ogg_uint32_t bitreverse(ogg_uint32_t x){
x= ((x>>16)&0x0000ffff) | ((x<<16)&0xffff0000);
x= ((x>> 8)&0x00ff00ff) | ((x<< 8)&0xff00ff00);
x= ((x>> 4)&0x0f0f0f0f) | ((x<< 4)&0xf0f0f0f0);
x= ((x>> 2)&0x33333333) | ((x<< 2)&0xcccccccc);
return((x>> 1)&0x55555555) | ((x<< 1)&0xaaaaaaaa);
}
STIN long decode_packed_entry_number(codebook *book, oggpack_buffer *b){
int read=book->dec_maxlength;
long lo,hi;
long lok = oggpack_look(b,book->dec_firsttablen);
if (lok >= 0) {
long entry = book->dec_firsttable[lok];
if(entry&0x80000000UL){
lo=(entry>>15)&0x7fff;
hi=book->used_entries-(entry&0x7fff);
}else{
oggpack_adv(b, book->dec_codelengths[entry-1]);
return(entry-1);
}
}else{
lo=0;
hi=book->used_entries;
}
/* Single entry codebooks use a firsttablen of 1 and a
dec_maxlength of 1. If a single-entry codebook gets here (due to
failure to read one bit above), the next look attempt will also
fail and we'll correctly kick out instead of trying to walk the
underformed tree */
lok = oggpack_look(b, read);
while(lok<0 && read>1)
lok = oggpack_look(b, --read);
if(lok<0)return -1;
/* bisect search for the codeword in the ordered list */
{
ogg_uint32_t testword=bitreverse((ogg_uint32_t)lok);
while(hi-lo>1){
long p=(hi-lo)>>1;
long test=book->codelist[lo+p]>testword;
lo+=p&(test-1);
hi-=p&(-test);
}
if(book->dec_codelengths[lo]<=read){
oggpack_adv(b, book->dec_codelengths[lo]);
return(lo);
}
}
oggpack_adv(b, read);
return(-1);
}
/* Decode side is specced and easier, because we don't need to find
matches using different criteria; we simply read and map. There are
two things we need to do 'depending':
We may need to support interleave. We don't really, but it's
convenient to do it here rather than rebuild the vector later.
Cascades may be additive or multiplicitive; this is not inherent in
the codebook, but set in the code using the codebook. Like
interleaving, it's easiest to do it here.
addmul==0 -> declarative (set the value)
addmul==1 -> additive
addmul==2 -> multiplicitive */
/* returns the [original, not compacted] entry number or -1 on eof *********/
long vorbis_book_decode(codebook *book, oggpack_buffer *b){
if(book->used_entries>0){
long packed_entry=decode_packed_entry_number(book,b);
if(packed_entry>=0)
return(book->dec_index[packed_entry]);
}
/* if there's no dec_index, the codebook unpacking isn't collapsed */
return(-1);
}
/* returns 0 on OK or -1 on eof *************************************/
/* decode vector / dim granularity gaurding is done in the upper layer */
long vorbis_book_decodevs_add(codebook *book,float *a,oggpack_buffer *b,int n){
if(book->used_entries>0){
int step=n/book->dim;
long *entry = alloca(sizeof(*entry)*step);
float **t = alloca(sizeof(*t)*step);
int i,j,o;
for (i = 0; i < step; i++) {
entry[i]=decode_packed_entry_number(book,b);
if(entry[i]==-1)return(-1);
t[i] = book->valuelist+entry[i]*book->dim;
}
for(i=0,o=0;i<book->dim;i++,o+=step)
for (j=0;j<step;j++)
a[o+j]+=t[j][i];
}
return(0);
}
/* decode vector / dim granularity gaurding is done in the upper layer */
long vorbis_book_decodev_add(codebook *book,float *a,oggpack_buffer *b,int n){
if(book->used_entries>0){
int i,j,entry;
float *t;
if(book->dim>8){
for(i=0;i<n;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
for (j=0;j<book->dim;)
a[i++]+=t[j++];
}
}else{
for(i=0;i<n;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
j=0;
switch((int)book->dim){
case 8:
a[i++]+=t[j++];
case 7:
a[i++]+=t[j++];
case 6:
a[i++]+=t[j++];
case 5:
a[i++]+=t[j++];
case 4:
a[i++]+=t[j++];
case 3:
a[i++]+=t[j++];
case 2:
a[i++]+=t[j++];
case 1:
a[i++]+=t[j++];
case 0:
break;
}
}
}
}
return(0);
}
/* unlike the others, we guard against n not being an integer number
of <dim> internally rather than in the upper layer (called only by
floor0) */
long vorbis_book_decodev_set(codebook *book,float *a,oggpack_buffer *b,int n){
if(book->used_entries>0){
int i,j,entry;
float *t;
for(i=0;i<n;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
for (j=0;i<n && j<book->dim;){
a[i++]=t[j++];
}
}
}else{
int i;
for(i=0;i<n;){
a[i++]=0.f;
}
}
return(0);
}
long vorbis_book_decodevv_add(codebook *book,float **a,long offset,int ch,
oggpack_buffer *b,int n){
long i,j,entry;
int chptr=0;
if(book->used_entries>0){
for(i=offset/ch;i<(offset+n)/ch;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
{
const float *t = book->valuelist+entry*book->dim;
for (j=0;j<book->dim;j++){
a[chptr++][i]+=t[j];
if(chptr==ch){
chptr=0;
i++;
}
}
}
}
}
return(0);
}

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: basic shared codebook operations
last mod: $Id: codebook.h 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
#ifndef _V_CODEBOOK_H_
#define _V_CODEBOOK_H_
#include <ogg/ogg.h>
/* This structure encapsulates huffman and VQ style encoding books; it
doesn't do anything specific to either.
valuelist/quantlist are nonNULL (and q_* significant) only if
there's entry->value mapping to be done.
If encode-side mapping must be done (and thus the entry needs to be
hunted), the auxiliary encode pointer will point to a decision
tree. This is true of both VQ and huffman, but is mostly useful
with VQ.
*/
typedef struct static_codebook{
long dim; /* codebook dimensions (elements per vector) */
long entries; /* codebook entries */
char *lengthlist; /* codeword lengths in bits */
/* mapping ***************************************************************/
int maptype; /* 0=none
1=implicitly populated values from map column
2=listed arbitrary values */
/* The below does a linear, single monotonic sequence mapping. */
long q_min; /* packed 32 bit float; quant value 0 maps to minval */
long q_delta; /* packed 32 bit float; val 1 - val 0 == delta */
int q_quant; /* bits: 0 < quant <= 16 */
int q_sequencep; /* bitflag */
long *quantlist; /* map == 1: (int)(entries^(1/dim)) element column map
map == 2: list of dim*entries quantized entry vals
*/
int allocedp;
} static_codebook;
typedef struct codebook{
long dim; /* codebook dimensions (elements per vector) */
long entries; /* codebook entries */
long used_entries; /* populated codebook entries */
const static_codebook *c;
/* for encode, the below are entry-ordered, fully populated */
/* for decode, the below are ordered by bitreversed codeword and only
used entries are populated */
float *valuelist; /* list of dim*entries actual entry values */
ogg_uint32_t *codelist; /* list of bitstream codewords for each entry */
int *dec_index; /* only used if sparseness collapsed */
char *dec_codelengths;
ogg_uint32_t *dec_firsttable;
int dec_firsttablen;
int dec_maxlength;
/* The current encoder uses only centered, integer-only lattice books. */
int quantvals;
int minval;
int delta;
} codebook;
extern void vorbis_staticbook_destroy(static_codebook *b);
extern int vorbis_book_init_encode(codebook *dest,const static_codebook *source);
extern int vorbis_book_init_decode(codebook *dest,const static_codebook *source);
extern void vorbis_book_clear(codebook *b);
extern float *_book_unquantize(const static_codebook *b,int n,int *map);
extern float *_book_logdist(const static_codebook *b,float *vals);
extern float _float32_unpack(long val);
extern long _float32_pack(float val);
extern int _best(codebook *book, float *a, int step);
extern long _book_maptype1_quantvals(const static_codebook *b);
extern int vorbis_book_besterror(codebook *book,float *a,int step,int addmul);
extern long vorbis_book_codeword(codebook *book,int entry);
extern long vorbis_book_codelen(codebook *book,int entry);
extern int vorbis_staticbook_pack(const static_codebook *c,oggpack_buffer *b);
extern static_codebook *vorbis_staticbook_unpack(oggpack_buffer *b);
extern int vorbis_book_encode(codebook *book, int a, oggpack_buffer *b);
extern long vorbis_book_decode(codebook *book, oggpack_buffer *b);
extern long vorbis_book_decodevs_add(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodev_set(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodev_add(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodevv_add(codebook *book, float **a,
long off,int ch,
oggpack_buffer *b,int n);
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: libvorbis codec headers
last mod: $Id: codec_internal.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#ifndef _V_CODECI_H_
#define _V_CODECI_H_
#include "envelope.h"
#include "codebook.h"
#define BLOCKTYPE_IMPULSE 0
#define BLOCKTYPE_PADDING 1
#define BLOCKTYPE_TRANSITION 0
#define BLOCKTYPE_LONG 1
#define PACKETBLOBS 15
typedef struct vorbis_block_internal{
float **pcmdelay; /* this is a pointer into local storage */
float ampmax;
int blocktype;
oggpack_buffer *packetblob[PACKETBLOBS]; /* initialized, must be freed;
blob [PACKETBLOBS/2] points to
the oggpack_buffer in the
main vorbis_block */
} vorbis_block_internal;
typedef void vorbis_look_floor;
typedef void vorbis_look_residue;
typedef void vorbis_look_transform;
/* mode ************************************************************/
typedef struct {
int blockflag;
int windowtype;
int transformtype;
int mapping;
} vorbis_info_mode;
typedef void vorbis_info_floor;
typedef void vorbis_info_residue;
typedef void vorbis_info_mapping;
#include "psy.h"
#include "bitrate.h"
typedef struct private_state {
/* local lookup storage */
envelope_lookup *ve; /* envelope lookup */
int window[2];
vorbis_look_transform **transform[2]; /* block, type */
drft_lookup fft_look[2];
int modebits;
vorbis_look_floor **flr;
vorbis_look_residue **residue;
vorbis_look_psy *psy;
vorbis_look_psy_global *psy_g_look;
/* local storage, only used on the encoding side. This way the
application does not need to worry about freeing some packets'
memory and not others'; packet storage is always tracked.
Cleared next call to a _dsp_ function */
unsigned char *header;
unsigned char *header1;
unsigned char *header2;
bitrate_manager_state bms;
ogg_int64_t sample_count;
} private_state;
/* codec_setup_info contains all the setup information specific to the
specific compression/decompression mode in progress (eg,
psychoacoustic settings, channel setup, options, codebook
etc).
*********************************************************************/
#include "highlevel.h"
typedef struct codec_setup_info {
/* Vorbis supports only short and long blocks, but allows the
encoder to choose the sizes */
long blocksizes[2];
/* modes are the primary means of supporting on-the-fly different
blocksizes, different channel mappings (LR or M/A),
different residue backends, etc. Each mode consists of a
blocksize flag and a mapping (along with the mapping setup */
int modes;
int maps;
int floors;
int residues;
int books;
int psys; /* encode only */
vorbis_info_mode *mode_param[64];
int map_type[64];
vorbis_info_mapping *map_param[64];
int floor_type[64];
vorbis_info_floor *floor_param[64];
int residue_type[64];
vorbis_info_residue *residue_param[64];
static_codebook *book_param[256];
codebook *fullbooks;
vorbis_info_psy *psy_param[4]; /* encode only */
vorbis_info_psy_global psy_g_param;
bitrate_manager_info bi;
highlevel_encode_setup hi; /* used only by vorbisenc.c. It's a
highly redundant structure, but
improves clarity of program flow. */
int halfrate_flag; /* painless downsample for decode */
} codec_setup_info;
extern vorbis_look_psy_global *_vp_global_look(vorbis_info *vi);
extern void _vp_global_free(vorbis_look_psy_global *look);
typedef struct {
int sorted_index[VIF_POSIT+2];
int forward_index[VIF_POSIT+2];
int reverse_index[VIF_POSIT+2];
int hineighbor[VIF_POSIT];
int loneighbor[VIF_POSIT];
int posts;
int n;
int quant_q;
vorbis_info_floor1 *vi;
long phrasebits;
long postbits;
long frames;
} vorbis_look_floor1;
extern int *floor1_fit(vorbis_block *vb,vorbis_look_floor1 *look,
const float *logmdct, /* in */
const float *logmask);
extern int *floor1_interpolate_fit(vorbis_block *vb,vorbis_look_floor1 *look,
int *A,int *B,
int del);
extern int floor1_encode(oggpack_buffer *opb,vorbis_block *vb,
vorbis_look_floor1 *look,
int *post,int *ilogmask);
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: PCM data envelope analysis
last mod: $Id: envelope.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "os.h"
#include "scales.h"
#include "envelope.h"
#include "mdct.h"
#include "misc.h"
void _ve_envelope_init(envelope_lookup *e,vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy_global *gi=&ci->psy_g_param;
int ch=vi->channels;
int i,j;
int n=e->winlength=128;
e->searchstep=64; /* not random */
e->minenergy=gi->preecho_minenergy;
e->ch=ch;
e->storage=128;
e->cursor=ci->blocksizes[1]/2;
e->mdct_win=_ogg_calloc(n,sizeof(*e->mdct_win));
mdct_init(&e->mdct,n);
for(i=0;i<n;i++){
e->mdct_win[i]=sin(i/(n-1.)*M_PI);
e->mdct_win[i]*=e->mdct_win[i];
}
/* magic follows */
e->band[0].begin=2; e->band[0].end=4;
e->band[1].begin=4; e->band[1].end=5;
e->band[2].begin=6; e->band[2].end=6;
e->band[3].begin=9; e->band[3].end=8;
e->band[4].begin=13; e->band[4].end=8;
e->band[5].begin=17; e->band[5].end=8;
e->band[6].begin=22; e->band[6].end=8;
for(j=0;j<VE_BANDS;j++){
n=e->band[j].end;
e->band[j].window=_ogg_malloc(n*sizeof(*e->band[0].window));
for(i=0;i<n;i++){
e->band[j].window[i]=sin((i+.5)/n*M_PI);
e->band[j].total+=e->band[j].window[i];
}
e->band[j].total=1./e->band[j].total;
}
e->filter=_ogg_calloc(VE_BANDS*ch,sizeof(*e->filter));
e->mark=_ogg_calloc(e->storage,sizeof(*e->mark));
}
void _ve_envelope_clear(envelope_lookup *e){
int i;
mdct_clear(&e->mdct);
for(i=0;i<VE_BANDS;i++)
_ogg_free(e->band[i].window);
_ogg_free(e->mdct_win);
_ogg_free(e->filter);
_ogg_free(e->mark);
memset(e,0,sizeof(*e));
}
/* fairly straight threshhold-by-band based until we find something
that works better and isn't patented. */
static int _ve_amp(envelope_lookup *ve,
vorbis_info_psy_global *gi,
float *data,
envelope_band *bands,
envelope_filter_state *filters){
long n=ve->winlength;
int ret=0;
long i,j;
float decay;
/* we want to have a 'minimum bar' for energy, else we're just
basing blocks on quantization noise that outweighs the signal
itself (for low power signals) */
float minV=ve->minenergy;
float *vec=alloca(n*sizeof(*vec));
/* stretch is used to gradually lengthen the number of windows
considered prevoius-to-potential-trigger */
int stretch=max(VE_MINSTRETCH,ve->stretch/2);
float penalty=gi->stretch_penalty-(ve->stretch/2-VE_MINSTRETCH);
if(penalty<0.f)penalty=0.f;
if(penalty>gi->stretch_penalty)penalty=gi->stretch_penalty;
/*_analysis_output_always("lpcm",seq2,data,n,0,0,
totalshift+pos*ve->searchstep);*/
/* window and transform */
for(i=0;i<n;i++)
vec[i]=data[i]*ve->mdct_win[i];
mdct_forward(&ve->mdct,vec,vec);
/*_analysis_output_always("mdct",seq2,vec,n/2,0,1,0); */
/* near-DC spreading function; this has nothing to do with
psychoacoustics, just sidelobe leakage and window size */
{
float temp=vec[0]*vec[0]+.7*vec[1]*vec[1]+.2*vec[2]*vec[2];
int ptr=filters->nearptr;
/* the accumulation is regularly refreshed from scratch to avoid
floating point creep */
if(ptr==0){
decay=filters->nearDC_acc=filters->nearDC_partialacc+temp;
filters->nearDC_partialacc=temp;
}else{
decay=filters->nearDC_acc+=temp;
filters->nearDC_partialacc+=temp;
}
filters->nearDC_acc-=filters->nearDC[ptr];
filters->nearDC[ptr]=temp;
decay*=(1./(VE_NEARDC+1));
filters->nearptr++;
if(filters->nearptr>=VE_NEARDC)filters->nearptr=0;
decay=todB(&decay)*.5-15.f;
}
/* perform spreading and limiting, also smooth the spectrum. yes,
the MDCT results in all real coefficients, but it still *behaves*
like real/imaginary pairs */
for(i=0;i<n/2;i+=2){
float val=vec[i]*vec[i]+vec[i+1]*vec[i+1];
val=todB(&val)*.5f;
if(val<decay)val=decay;
if(val<minV)val=minV;
vec[i>>1]=val;
decay-=8.;
}
/*_analysis_output_always("spread",seq2++,vec,n/4,0,0,0);*/
/* perform preecho/postecho triggering by band */
for(j=0;j<VE_BANDS;j++){
float acc=0.;
float valmax,valmin;
/* accumulate amplitude */
for(i=0;i<bands[j].end;i++)
acc+=vec[i+bands[j].begin]*bands[j].window[i];
acc*=bands[j].total;
/* convert amplitude to delta */
{
int p,this=filters[j].ampptr;
float postmax,postmin,premax=-99999.f,premin=99999.f;
p=this;
p--;
if(p<0)p+=VE_AMP;
postmax=max(acc,filters[j].ampbuf[p]);
postmin=min(acc,filters[j].ampbuf[p]);
for(i=0;i<stretch;i++){
p--;
if(p<0)p+=VE_AMP;
premax=max(premax,filters[j].ampbuf[p]);
premin=min(premin,filters[j].ampbuf[p]);
}
valmin=postmin-premin;
valmax=postmax-premax;
/*filters[j].markers[pos]=valmax;*/
filters[j].ampbuf[this]=acc;
filters[j].ampptr++;
if(filters[j].ampptr>=VE_AMP)filters[j].ampptr=0;
}
/* look at min/max, decide trigger */
if(valmax>gi->preecho_thresh[j]+penalty){
ret|=1;
ret|=4;
}
if(valmin<gi->postecho_thresh[j]-penalty)ret|=2;
}
return(ret);
}
#if 0
static int seq=0;
static ogg_int64_t totalshift=-1024;
#endif
long _ve_envelope_search(vorbis_dsp_state *v){
vorbis_info *vi=v->vi;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_psy_global *gi=&ci->psy_g_param;
envelope_lookup *ve=((private_state *)(v->backend_state))->ve;
long i,j;
int first=ve->current/ve->searchstep;
int last=v->pcm_current/ve->searchstep-VE_WIN;
if(first<0)first=0;
/* make sure we have enough storage to match the PCM */
if(last+VE_WIN+VE_POST>ve->storage){
ve->storage=last+VE_WIN+VE_POST; /* be sure */
ve->mark=_ogg_realloc(ve->mark,ve->storage*sizeof(*ve->mark));
}
for(j=first;j<last;j++){
int ret=0;
ve->stretch++;
if(ve->stretch>VE_MAXSTRETCH*2)
ve->stretch=VE_MAXSTRETCH*2;
for(i=0;i<ve->ch;i++){
float *pcm=v->pcm[i]+ve->searchstep*(j);
ret|=_ve_amp(ve,gi,pcm,ve->band,ve->filter+i*VE_BANDS);
}
ve->mark[j+VE_POST]=0;
if(ret&1){
ve->mark[j]=1;
ve->mark[j+1]=1;
}
if(ret&2){
ve->mark[j]=1;
if(j>0)ve->mark[j-1]=1;
}
if(ret&4)ve->stretch=-1;
}
ve->current=last*ve->searchstep;
{
long centerW=v->centerW;
long testW=
centerW+
ci->blocksizes[v->W]/4+
ci->blocksizes[1]/2+
ci->blocksizes[0]/4;
j=ve->cursor;
while(j<ve->current-(ve->searchstep)){/* account for postecho
working back one window */
if(j>=testW)return(1);
ve->cursor=j;
if(ve->mark[j/ve->searchstep]){
if(j>centerW){
#if 0
if(j>ve->curmark){
float *marker=alloca(v->pcm_current*sizeof(*marker));
int l,m;
memset(marker,0,sizeof(*marker)*v->pcm_current);
fprintf(stderr,"mark! seq=%d, cursor:%fs time:%fs\n",
seq,
(totalshift+ve->cursor)/44100.,
(totalshift+j)/44100.);
_analysis_output_always("pcmL",seq,v->pcm[0],v->pcm_current,0,0,totalshift);
_analysis_output_always("pcmR",seq,v->pcm[1],v->pcm_current,0,0,totalshift);
_analysis_output_always("markL",seq,v->pcm[0],j,0,0,totalshift);
_analysis_output_always("markR",seq,v->pcm[1],j,0,0,totalshift);
for(m=0;m<VE_BANDS;m++){
char buf[80];
sprintf(buf,"delL%d",m);
for(l=0;l<last;l++)marker[l*ve->searchstep]=ve->filter[m].markers[l]*.1;
_analysis_output_always(buf,seq,marker,v->pcm_current,0,0,totalshift);
}
for(m=0;m<VE_BANDS;m++){
char buf[80];
sprintf(buf,"delR%d",m);
for(l=0;l<last;l++)marker[l*ve->searchstep]=ve->filter[m+VE_BANDS].markers[l]*.1;
_analysis_output_always(buf,seq,marker,v->pcm_current,0,0,totalshift);
}
for(l=0;l<last;l++)marker[l*ve->searchstep]=ve->mark[l]*.4;
_analysis_output_always("mark",seq,marker,v->pcm_current,0,0,totalshift);
seq++;
}
#endif
ve->curmark=j;
if(j>=testW)return(1);
return(0);
}
}
j+=ve->searchstep;
}
}
return(-1);
}
int _ve_envelope_mark(vorbis_dsp_state *v){
envelope_lookup *ve=((private_state *)(v->backend_state))->ve;
vorbis_info *vi=v->vi;
codec_setup_info *ci=vi->codec_setup;
long centerW=v->centerW;
long beginW=centerW-ci->blocksizes[v->W]/4;
long endW=centerW+ci->blocksizes[v->W]/4;
if(v->W){
beginW-=ci->blocksizes[v->lW]/4;
endW+=ci->blocksizes[v->nW]/4;
}else{
beginW-=ci->blocksizes[0]/4;
endW+=ci->blocksizes[0]/4;
}
if(ve->curmark>=beginW && ve->curmark<endW)return(1);
{
long first=beginW/ve->searchstep;
long last=endW/ve->searchstep;
long i;
for(i=first;i<last;i++)
if(ve->mark[i])return(1);
}
return(0);
}
void _ve_envelope_shift(envelope_lookup *e,long shift){
int smallsize=e->current/e->searchstep+VE_POST; /* adjust for placing marks
ahead of ve->current */
int smallshift=shift/e->searchstep;
memmove(e->mark,e->mark+smallshift,(smallsize-smallshift)*sizeof(*e->mark));
#if 0
for(i=0;i<VE_BANDS*e->ch;i++)
memmove(e->filter[i].markers,
e->filter[i].markers+smallshift,
(1024-smallshift)*sizeof(*(*e->filter).markers));
totalshift+=shift;
#endif
e->current-=shift;
if(e->curmark>=0)
e->curmark-=shift;
e->cursor-=shift;
}

80
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: PCM data envelope analysis and manipulation
last mod: $Id: envelope.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#ifndef _V_ENVELOPE_
#define _V_ENVELOPE_
#include "mdct.h"
#define VE_PRE 16
#define VE_WIN 4
#define VE_POST 2
#define VE_AMP (VE_PRE+VE_POST-1)
#define VE_BANDS 7
#define VE_NEARDC 15
#define VE_MINSTRETCH 2 /* a bit less than short block */
#define VE_MAXSTRETCH 12 /* one-third full block */
typedef struct {
float ampbuf[VE_AMP];
int ampptr;
float nearDC[VE_NEARDC];
float nearDC_acc;
float nearDC_partialacc;
int nearptr;
} envelope_filter_state;
typedef struct {
int begin;
int end;
float *window;
float total;
} envelope_band;
typedef struct {
int ch;
int winlength;
int searchstep;
float minenergy;
mdct_lookup mdct;
float *mdct_win;
envelope_band band[VE_BANDS];
envelope_filter_state *filter;
int stretch;
int *mark;
long storage;
long current;
long curmark;
long cursor;
} envelope_lookup;
extern void _ve_envelope_init(envelope_lookup *e,vorbis_info *vi);
extern void _ve_envelope_clear(envelope_lookup *e);
extern long _ve_envelope_search(vorbis_dsp_state *v);
extern void _ve_envelope_shift(envelope_lookup *e,long shift);
extern int _ve_envelope_mark(vorbis_dsp_state *v);
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: floor backend 0 implementation
last mod: $Id: floor0.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "registry.h"
#include "lpc.h"
#include "lsp.h"
#include "codebook.h"
#include "scales.h"
#include "misc.h"
#include "os.h"
#include "misc.h"
#include <stdio.h>
typedef struct {
int ln;
int m;
int **linearmap;
int n[2];
vorbis_info_floor0 *vi;
long bits;
long frames;
} vorbis_look_floor0;
/***********************************************/
static void floor0_free_info(vorbis_info_floor *i){
vorbis_info_floor0 *info=(vorbis_info_floor0 *)i;
if(info){
memset(info,0,sizeof(*info));
_ogg_free(info);
}
}
static void floor0_free_look(vorbis_look_floor *i){
vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
if(look){
if(look->linearmap){
if(look->linearmap[0])_ogg_free(look->linearmap[0]);
if(look->linearmap[1])_ogg_free(look->linearmap[1]);
_ogg_free(look->linearmap);
}
memset(look,0,sizeof(*look));
_ogg_free(look);
}
}
static vorbis_info_floor *floor0_unpack (vorbis_info *vi,oggpack_buffer *opb){
codec_setup_info *ci=vi->codec_setup;
int j;
vorbis_info_floor0 *info=_ogg_malloc(sizeof(*info));
info->order=oggpack_read(opb,8);
info->rate=oggpack_read(opb,16);
info->barkmap=oggpack_read(opb,16);
info->ampbits=oggpack_read(opb,6);
info->ampdB=oggpack_read(opb,8);
info->numbooks=oggpack_read(opb,4)+1;
if(info->order<1)goto err_out;
if(info->rate<1)goto err_out;
if(info->barkmap<1)goto err_out;
if(info->numbooks<1)goto err_out;
for(j=0;j<info->numbooks;j++){
info->books[j]=oggpack_read(opb,8);
if(info->books[j]<0 || info->books[j]>=ci->books)goto err_out;
if(ci->book_param[info->books[j]]->maptype==0)goto err_out;
if(ci->book_param[info->books[j]]->dim<1)goto err_out;
}
return(info);
err_out:
floor0_free_info(info);
return(NULL);
}
/* initialize Bark scale and normalization lookups. We could do this
with static tables, but Vorbis allows a number of possible
combinations, so it's best to do it computationally.
The below is authoritative in terms of defining scale mapping.
Note that the scale depends on the sampling rate as well as the
linear block and mapping sizes */
static void floor0_map_lazy_init(vorbis_block *vb,
vorbis_info_floor *infoX,
vorbis_look_floor0 *look){
if(!look->linearmap[vb->W]){
vorbis_dsp_state *vd=vb->vd;
vorbis_info *vi=vd->vi;
codec_setup_info *ci=vi->codec_setup;
vorbis_info_floor0 *info=(vorbis_info_floor0 *)infoX;
int W=vb->W;
int n=ci->blocksizes[W]/2,j;
/* we choose a scaling constant so that:
floor(bark(rate/2-1)*C)=mapped-1
floor(bark(rate/2)*C)=mapped */
float scale=look->ln/toBARK(info->rate/2.f);
/* the mapping from a linear scale to a smaller bark scale is
straightforward. We do *not* make sure that the linear mapping
does not skip bark-scale bins; the decoder simply skips them and
the encoder may do what it wishes in filling them. They're
necessary in some mapping combinations to keep the scale spacing
accurate */
look->linearmap[W]=_ogg_malloc((n+1)*sizeof(**look->linearmap));
for(j=0;j<n;j++){
int val=floor( toBARK((info->rate/2.f)/n*j)
*scale); /* bark numbers represent band edges */
if(val>=look->ln)val=look->ln-1; /* guard against the approximation */
look->linearmap[W][j]=val;
}
look->linearmap[W][j]=-1;
look->n[W]=n;
}
}
static vorbis_look_floor *floor0_look(vorbis_dsp_state *vd,
vorbis_info_floor *i){
vorbis_info_floor0 *info=(vorbis_info_floor0 *)i;
vorbis_look_floor0 *look=_ogg_calloc(1,sizeof(*look));
(void)vd;
look->m=info->order;
look->ln=info->barkmap;
look->vi=info;
look->linearmap=_ogg_calloc(2,sizeof(*look->linearmap));
return look;
}
static void *floor0_inverse1(vorbis_block *vb,vorbis_look_floor *i){
vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
vorbis_info_floor0 *info=look->vi;
int j,k;
int ampraw=oggpack_read(&vb->opb,info->ampbits);
if(ampraw>0){ /* also handles the -1 out of data case */
long maxval=(1<<info->ampbits)-1;
float amp=(float)ampraw/maxval*info->ampdB;
int booknum=oggpack_read(&vb->opb,ov_ilog(info->numbooks));
if(booknum!=-1 && booknum<info->numbooks){ /* be paranoid */
codec_setup_info *ci=vb->vd->vi->codec_setup;
codebook *b=ci->fullbooks+info->books[booknum];
float last=0.f;
/* the additional b->dim is a guard against any possible stack
smash; b->dim is provably more than we can overflow the
vector */
float *lsp=_vorbis_block_alloc(vb,sizeof(*lsp)*(look->m+b->dim+1));
if(vorbis_book_decodev_set(b,lsp,&vb->opb,look->m)==-1)goto eop;
for(j=0;j<look->m;){
for(k=0;j<look->m && k<b->dim;k++,j++)lsp[j]+=last;
last=lsp[j-1];
}
lsp[look->m]=amp;
return(lsp);
}
}
eop:
return(NULL);
}
static int floor0_inverse2(vorbis_block *vb,vorbis_look_floor *i,
void *memo,float *out){
vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
vorbis_info_floor0 *info=look->vi;
floor0_map_lazy_init(vb,info,look);
if(memo){
float *lsp=(float *)memo;
float amp=lsp[look->m];
/* take the coefficients back to a spectral envelope curve */
vorbis_lsp_to_curve(out,
look->linearmap[vb->W],
look->n[vb->W],
look->ln,
lsp,look->m,amp,(float)info->ampdB);
return(1);
}
memset(out,0,sizeof(*out)*look->n[vb->W]);
return(0);
}
/* export hooks */
const vorbis_func_floor floor0_exportbundle={
NULL,&floor0_unpack,&floor0_look,&floor0_free_info,
&floor0_free_look,&floor0_inverse1,&floor0_inverse2
};

1087
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58
Sources/libvorbis/lib/highlevel.h Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: highlevel encoder setup struct separated out for vorbisenc clarity
last mod: $Id: highlevel.h 17195 2010-05-05 21:49:51Z giles $
********************************************************************/
typedef struct highlevel_byblocktype {
double tone_mask_setting;
double tone_peaklimit_setting;
double noise_bias_setting;
double noise_compand_setting;
} highlevel_byblocktype;
typedef struct highlevel_encode_setup {
int set_in_stone;
const void *setup;
double base_setting;
double impulse_noisetune;
/* bitrate management below all settable */
float req;
int managed;
long bitrate_min;
long bitrate_av;
double bitrate_av_damp;
long bitrate_max;
long bitrate_reservoir;
double bitrate_reservoir_bias;
int impulse_block_p;
int noise_normalize_p;
int coupling_p;
double stereo_point_setting;
double lowpass_kHz;
int lowpass_altered;
double ath_floating_dB;
double ath_absolute_dB;
double amplitude_track_dBpersec;
double trigger_setting;
highlevel_byblocktype block[4]; /* padding, impulse, transition, long */
} highlevel_encode_setup;

673
Sources/libvorbis/lib/info.c Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: maintain the info structure, info <-> header packets
last mod: $Id: info.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
/* general handling of the header and the vorbis_info structure (and
substructures) */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "codebook.h"
#include "registry.h"
#include "window.h"
#include "psy.h"
#include "misc.h"
#include "os.h"
#define GENERAL_VENDOR_STRING "Xiph.Org libVorbis 1.3.5"
#define ENCODE_VENDOR_STRING "Xiph.Org libVorbis I 20150105 (⛄⛄⛄⛄)"
/* helpers */
static void _v_writestring(oggpack_buffer *o,const char *s, int bytes){
while(bytes--){
oggpack_write(o,*s++,8);
}
}
static void _v_readstring(oggpack_buffer *o,char *buf,int bytes){
while(bytes--){
*buf++=oggpack_read(o,8);
}
}
void vorbis_comment_init(vorbis_comment *vc){
memset(vc,0,sizeof(*vc));
}
void vorbis_comment_add(vorbis_comment *vc,const char *comment){
vc->user_comments=_ogg_realloc(vc->user_comments,
(vc->comments+2)*sizeof(*vc->user_comments));
vc->comment_lengths=_ogg_realloc(vc->comment_lengths,
(vc->comments+2)*sizeof(*vc->comment_lengths));
vc->comment_lengths[vc->comments]=strlen(comment);
vc->user_comments[vc->comments]=_ogg_malloc(vc->comment_lengths[vc->comments]+1);
strcpy(vc->user_comments[vc->comments], comment);
vc->comments++;
vc->user_comments[vc->comments]=NULL;
}
void vorbis_comment_add_tag(vorbis_comment *vc, const char *tag, const char *contents){
char *comment=alloca(strlen(tag)+strlen(contents)+2); /* +2 for = and \0 */
strcpy(comment, tag);
strcat(comment, "=");
strcat(comment, contents);
vorbis_comment_add(vc, comment);
}
/* This is more or less the same as strncasecmp - but that doesn't exist
* everywhere, and this is a fairly trivial function, so we include it */
static int tagcompare(const char *s1, const char *s2, int n){
int c=0;
while(c < n){
if(toupper(s1[c]) != toupper(s2[c]))
return !0;
c++;
}
return 0;
}
char *vorbis_comment_query(vorbis_comment *vc, const char *tag, int count){
long i;
int found = 0;
int taglen = strlen(tag)+1; /* +1 for the = we append */
char *fulltag = alloca(taglen+ 1);
strcpy(fulltag, tag);
strcat(fulltag, "=");
for(i=0;i<vc->comments;i++){
if(!tagcompare(vc->user_comments[i], fulltag, taglen)){
if(count == found)
/* We return a pointer to the data, not a copy */
return vc->user_comments[i] + taglen;
else
found++;
}
}
return NULL; /* didn't find anything */
}
int vorbis_comment_query_count(vorbis_comment *vc, const char *tag){
int i,count=0;
int taglen = strlen(tag)+1; /* +1 for the = we append */
char *fulltag = alloca(taglen+1);
strcpy(fulltag,tag);
strcat(fulltag, "=");
for(i=0;i<vc->comments;i++){
if(!tagcompare(vc->user_comments[i], fulltag, taglen))
count++;
}
return count;
}
void vorbis_comment_clear(vorbis_comment *vc){
if(vc){
long i;
if(vc->user_comments){
for(i=0;i<vc->comments;i++)
if(vc->user_comments[i])_ogg_free(vc->user_comments[i]);
_ogg_free(vc->user_comments);
}
if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
if(vc->vendor)_ogg_free(vc->vendor);
memset(vc,0,sizeof(*vc));
}
}
/* blocksize 0 is guaranteed to be short, 1 is guaranteed to be long.
They may be equal, but short will never ge greater than long */
int vorbis_info_blocksize(vorbis_info *vi,int zo){
codec_setup_info *ci = vi->codec_setup;
return ci ? ci->blocksizes[zo] : -1;
}
/* used by synthesis, which has a full, alloced vi */
void vorbis_info_init(vorbis_info *vi){
memset(vi,0,sizeof(*vi));
vi->codec_setup=_ogg_calloc(1,sizeof(codec_setup_info));
}
void vorbis_info_clear(vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
int i;
if(ci){
for(i=0;i<ci->modes;i++)
if(ci->mode_param[i])_ogg_free(ci->mode_param[i]);
for(i=0;i<ci->maps;i++) /* unpack does the range checking */
if(ci->map_param[i]) /* this may be cleaning up an aborted
unpack, in which case the below type
cannot be trusted */
_mapping_P[ci->map_type[i]]->free_info(ci->map_param[i]);
for(i=0;i<ci->floors;i++) /* unpack does the range checking */
if(ci->floor_param[i]) /* this may be cleaning up an aborted
unpack, in which case the below type
cannot be trusted */
_floor_P[ci->floor_type[i]]->free_info(ci->floor_param[i]);
for(i=0;i<ci->residues;i++) /* unpack does the range checking */
if(ci->residue_param[i]) /* this may be cleaning up an aborted
unpack, in which case the below type
cannot be trusted */
_residue_P[ci->residue_type[i]]->free_info(ci->residue_param[i]);
for(i=0;i<ci->books;i++){
if(ci->book_param[i]){
/* knows if the book was not alloced */
vorbis_staticbook_destroy(ci->book_param[i]);
}
if(ci->fullbooks)
vorbis_book_clear(ci->fullbooks+i);
}
if(ci->fullbooks)
_ogg_free(ci->fullbooks);
for(i=0;i<ci->psys;i++)
_vi_psy_free(ci->psy_param[i]);
_ogg_free(ci);
}
memset(vi,0,sizeof(*vi));
}
/* Header packing/unpacking ********************************************/
static int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb){
codec_setup_info *ci=vi->codec_setup;
if(!ci)return(OV_EFAULT);
vi->version=oggpack_read(opb,32);
if(vi->version!=0)return(OV_EVERSION);
vi->channels=oggpack_read(opb,8);
vi->rate=oggpack_read(opb,32);
vi->bitrate_upper=oggpack_read(opb,32);
vi->bitrate_nominal=oggpack_read(opb,32);
vi->bitrate_lower=oggpack_read(opb,32);
ci->blocksizes[0]=1<<oggpack_read(opb,4);
ci->blocksizes[1]=1<<oggpack_read(opb,4);
if(vi->rate<1)goto err_out;
if(vi->channels<1)goto err_out;
if(ci->blocksizes[0]<64)goto err_out;
if(ci->blocksizes[1]<ci->blocksizes[0])goto err_out;
if(ci->blocksizes[1]>8192)goto err_out;
if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */
return(0);
err_out:
vorbis_info_clear(vi);
return(OV_EBADHEADER);
}
static int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb){
int i;
int vendorlen=oggpack_read(opb,32);
if(vendorlen<0)goto err_out;
if(vendorlen>opb->storage-8)goto err_out;
vc->vendor=_ogg_calloc(vendorlen+1,1);
_v_readstring(opb,vc->vendor,vendorlen);
i=oggpack_read(opb,32);
if(i<0)goto err_out;
if(i>((opb->storage-oggpack_bytes(opb))>>2))goto err_out;
vc->comments=i;
vc->user_comments=_ogg_calloc(vc->comments+1,sizeof(*vc->user_comments));
vc->comment_lengths=_ogg_calloc(vc->comments+1, sizeof(*vc->comment_lengths));
for(i=0;i<vc->comments;i++){
int len=oggpack_read(opb,32);
if(len<0)goto err_out;
if(len>opb->storage-oggpack_bytes(opb))goto err_out;
vc->comment_lengths[i]=len;
vc->user_comments[i]=_ogg_calloc(len+1,1);
_v_readstring(opb,vc->user_comments[i],len);
}
if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */
return(0);
err_out:
vorbis_comment_clear(vc);
return(OV_EBADHEADER);
}
/* all of the real encoding details are here. The modes, books,
everything */
static int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb){
codec_setup_info *ci=vi->codec_setup;
int i;
/* codebooks */
ci->books=oggpack_read(opb,8)+1;
if(ci->books<=0)goto err_out;
for(i=0;i<ci->books;i++){
ci->book_param[i]=vorbis_staticbook_unpack(opb);
if(!ci->book_param[i])goto err_out;
}
/* time backend settings; hooks are unused */
{
int times=oggpack_read(opb,6)+1;
if(times<=0)goto err_out;
for(i=0;i<times;i++){
int test=oggpack_read(opb,16);
if(test<0 || test>=VI_TIMEB)goto err_out;
}
}
/* floor backend settings */
ci->floors=oggpack_read(opb,6)+1;
if(ci->floors<=0)goto err_out;
for(i=0;i<ci->floors;i++){
ci->floor_type[i]=oggpack_read(opb,16);
if(ci->floor_type[i]<0 || ci->floor_type[i]>=VI_FLOORB)goto err_out;
ci->floor_param[i]=_floor_P[ci->floor_type[i]]->unpack(vi,opb);
if(!ci->floor_param[i])goto err_out;
}
/* residue backend settings */
ci->residues=oggpack_read(opb,6)+1;
if(ci->residues<=0)goto err_out;
for(i=0;i<ci->residues;i++){
ci->residue_type[i]=oggpack_read(opb,16);
if(ci->residue_type[i]<0 || ci->residue_type[i]>=VI_RESB)goto err_out;
ci->residue_param[i]=_residue_P[ci->residue_type[i]]->unpack(vi,opb);
if(!ci->residue_param[i])goto err_out;
}
/* map backend settings */
ci->maps=oggpack_read(opb,6)+1;
if(ci->maps<=0)goto err_out;
for(i=0;i<ci->maps;i++){
ci->map_type[i]=oggpack_read(opb,16);
if(ci->map_type[i]<0 || ci->map_type[i]>=VI_MAPB)goto err_out;
ci->map_param[i]=_mapping_P[ci->map_type[i]]->unpack(vi,opb);
if(!ci->map_param[i])goto err_out;
}
/* mode settings */
ci->modes=oggpack_read(opb,6)+1;
if(ci->modes<=0)goto err_out;
for(i=0;i<ci->modes;i++){
ci->mode_param[i]=_ogg_calloc(1,sizeof(*ci->mode_param[i]));
ci->mode_param[i]->blockflag=oggpack_read(opb,1);
ci->mode_param[i]->windowtype=oggpack_read(opb,16);
ci->mode_param[i]->transformtype=oggpack_read(opb,16);
ci->mode_param[i]->mapping=oggpack_read(opb,8);
if(ci->mode_param[i]->windowtype>=VI_WINDOWB)goto err_out;
if(ci->mode_param[i]->transformtype>=VI_WINDOWB)goto err_out;
if(ci->mode_param[i]->mapping>=ci->maps)goto err_out;
if(ci->mode_param[i]->mapping<0)goto err_out;
}
if(oggpack_read(opb,1)!=1)goto err_out; /* top level EOP check */
return(0);
err_out:
vorbis_info_clear(vi);
return(OV_EBADHEADER);
}
/* Is this packet a vorbis ID header? */
int vorbis_synthesis_idheader(ogg_packet *op){
oggpack_buffer opb;
char buffer[6];
if(op){
oggpack_readinit(&opb,op->packet,op->bytes);
if(!op->b_o_s)
return(0); /* Not the initial packet */
if(oggpack_read(&opb,8) != 1)
return 0; /* not an ID header */
memset(buffer,0,6);
_v_readstring(&opb,buffer,6);
if(memcmp(buffer,"vorbis",6))
return 0; /* not vorbis */
return 1;
}
return 0;
}
/* The Vorbis header is in three packets; the initial small packet in
the first page that identifies basic parameters, a second packet
with bitstream comments and a third packet that holds the
codebook. */
int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op){
oggpack_buffer opb;
if(op){
oggpack_readinit(&opb,op->packet,op->bytes);
/* Which of the three types of header is this? */
/* Also verify header-ness, vorbis */
{
char buffer[6];
int packtype=oggpack_read(&opb,8);
memset(buffer,0,6);
_v_readstring(&opb,buffer,6);
if(memcmp(buffer,"vorbis",6)){
/* not a vorbis header */
return(OV_ENOTVORBIS);
}
switch(packtype){
case 0x01: /* least significant *bit* is read first */
if(!op->b_o_s){
/* Not the initial packet */
return(OV_EBADHEADER);
}
if(vi->rate!=0){
/* previously initialized info header */
return(OV_EBADHEADER);
}
return(_vorbis_unpack_info(vi,&opb));
case 0x03: /* least significant *bit* is read first */
if(vi->rate==0){
/* um... we didn't get the initial header */
return(OV_EBADHEADER);
}
if(vc->vendor!=NULL){
/* previously initialized comment header */
return(OV_EBADHEADER);
}
return(_vorbis_unpack_comment(vc,&opb));
case 0x05: /* least significant *bit* is read first */
if(vi->rate==0 || vc->vendor==NULL){
/* um... we didn;t get the initial header or comments yet */
return(OV_EBADHEADER);
}
if(vi->codec_setup==NULL){
/* improperly initialized vorbis_info */
return(OV_EFAULT);
}
if(((codec_setup_info *)vi->codec_setup)->books>0){
/* previously initialized setup header */
return(OV_EBADHEADER);
}
return(_vorbis_unpack_books(vi,&opb));
default:
/* Not a valid vorbis header type */
return(OV_EBADHEADER);
break;
}
}
}
return(OV_EBADHEADER);
}
/* pack side **********************************************************/
static int _vorbis_pack_info(oggpack_buffer *opb,vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
if(!ci||
ci->blocksizes[0]<64||
ci->blocksizes[1]<ci->blocksizes[0]){
return(OV_EFAULT);
}
/* preamble */
oggpack_write(opb,0x01,8);
_v_writestring(opb,"vorbis", 6);
/* basic information about the stream */
oggpack_write(opb,0x00,32);
oggpack_write(opb,vi->channels,8);
oggpack_write(opb,vi->rate,32);
oggpack_write(opb,vi->bitrate_upper,32);
oggpack_write(opb,vi->bitrate_nominal,32);
oggpack_write(opb,vi->bitrate_lower,32);
oggpack_write(opb,ov_ilog(ci->blocksizes[0]-1),4);
oggpack_write(opb,ov_ilog(ci->blocksizes[1]-1),4);
oggpack_write(opb,1,1);
return(0);
}
static int _vorbis_pack_comment(oggpack_buffer *opb,vorbis_comment *vc){
int bytes = strlen(ENCODE_VENDOR_STRING);
/* preamble */
oggpack_write(opb,0x03,8);
_v_writestring(opb,"vorbis", 6);
/* vendor */
oggpack_write(opb,bytes,32);
_v_writestring(opb,ENCODE_VENDOR_STRING, bytes);
/* comments */
oggpack_write(opb,vc->comments,32);
if(vc->comments){
int i;
for(i=0;i<vc->comments;i++){
if(vc->user_comments[i]){
oggpack_write(opb,vc->comment_lengths[i],32);
_v_writestring(opb,vc->user_comments[i], vc->comment_lengths[i]);
}else{
oggpack_write(opb,0,32);
}
}
}
oggpack_write(opb,1,1);
return(0);
}
static int _vorbis_pack_books(oggpack_buffer *opb,vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
int i;
if(!ci)return(OV_EFAULT);
oggpack_write(opb,0x05,8);
_v_writestring(opb,"vorbis", 6);
/* books */
oggpack_write(opb,ci->books-1,8);
for(i=0;i<ci->books;i++)
if(vorbis_staticbook_pack(ci->book_param[i],opb))goto err_out;
/* times; hook placeholders */
oggpack_write(opb,0,6);
oggpack_write(opb,0,16);
/* floors */
oggpack_write(opb,ci->floors-1,6);
for(i=0;i<ci->floors;i++){
oggpack_write(opb,ci->floor_type[i],16);
if(_floor_P[ci->floor_type[i]]->pack)
_floor_P[ci->floor_type[i]]->pack(ci->floor_param[i],opb);
else
goto err_out;
}
/* residues */
oggpack_write(opb,ci->residues-1,6);
for(i=0;i<ci->residues;i++){
oggpack_write(opb,ci->residue_type[i],16);
_residue_P[ci->residue_type[i]]->pack(ci->residue_param[i],opb);
}
/* maps */
oggpack_write(opb,ci->maps-1,6);
for(i=0;i<ci->maps;i++){
oggpack_write(opb,ci->map_type[i],16);
_mapping_P[ci->map_type[i]]->pack(vi,ci->map_param[i],opb);
}
/* modes */
oggpack_write(opb,ci->modes-1,6);
for(i=0;i<ci->modes;i++){
oggpack_write(opb,ci->mode_param[i]->blockflag,1);
oggpack_write(opb,ci->mode_param[i]->windowtype,16);
oggpack_write(opb,ci->mode_param[i]->transformtype,16);
oggpack_write(opb,ci->mode_param[i]->mapping,8);
}
oggpack_write(opb,1,1);
return(0);
err_out:
return(-1);
}
int vorbis_commentheader_out(vorbis_comment *vc,
ogg_packet *op){
oggpack_buffer opb;
oggpack_writeinit(&opb);
if(_vorbis_pack_comment(&opb,vc)){
oggpack_writeclear(&opb);
return OV_EIMPL;
}
op->packet = _ogg_malloc(oggpack_bytes(&opb));
memcpy(op->packet, opb.buffer, oggpack_bytes(&opb));
op->bytes=oggpack_bytes(&opb);
op->b_o_s=0;
op->e_o_s=0;
op->granulepos=0;
op->packetno=1;
oggpack_writeclear(&opb);
return 0;
}
int vorbis_analysis_headerout(vorbis_dsp_state *v,
vorbis_comment *vc,
ogg_packet *op,
ogg_packet *op_comm,
ogg_packet *op_code){
int ret=OV_EIMPL;
vorbis_info *vi=v->vi;
oggpack_buffer opb;
private_state *b=v->backend_state;
if(!b||vi->channels<=0){
ret=OV_EFAULT;
goto err_out;
}
/* first header packet **********************************************/
oggpack_writeinit(&opb);
if(_vorbis_pack_info(&opb,vi))goto err_out;
/* build the packet */
if(b->header)_ogg_free(b->header);
b->header=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header,opb.buffer,oggpack_bytes(&opb));
op->packet=b->header;
op->bytes=oggpack_bytes(&opb);
op->b_o_s=1;
op->e_o_s=0;
op->granulepos=0;
op->packetno=0;
/* second header packet (comments) **********************************/
oggpack_reset(&opb);
if(_vorbis_pack_comment(&opb,vc))goto err_out;
if(b->header1)_ogg_free(b->header1);
b->header1=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header1,opb.buffer,oggpack_bytes(&opb));
op_comm->packet=b->header1;
op_comm->bytes=oggpack_bytes(&opb);
op_comm->b_o_s=0;
op_comm->e_o_s=0;
op_comm->granulepos=0;
op_comm->packetno=1;
/* third header packet (modes/codebooks) ****************************/
oggpack_reset(&opb);
if(_vorbis_pack_books(&opb,vi))goto err_out;
if(b->header2)_ogg_free(b->header2);
b->header2=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header2,opb.buffer,oggpack_bytes(&opb));
op_code->packet=b->header2;
op_code->bytes=oggpack_bytes(&opb);
op_code->b_o_s=0;
op_code->e_o_s=0;
op_code->granulepos=0;
op_code->packetno=2;
oggpack_writeclear(&opb);
return(0);
err_out:
memset(op,0,sizeof(*op));
memset(op_comm,0,sizeof(*op_comm));
memset(op_code,0,sizeof(*op_code));
if(b){
oggpack_writeclear(&opb);
if(b->header)_ogg_free(b->header);
if(b->header1)_ogg_free(b->header1);
if(b->header2)_ogg_free(b->header2);
b->header=NULL;
b->header1=NULL;
b->header2=NULL;
}
return(ret);
}
double vorbis_granule_time(vorbis_dsp_state *v,ogg_int64_t granulepos){
if(granulepos == -1) return -1;
/* We're not guaranteed a 64 bit unsigned type everywhere, so we
have to put the unsigned granpo in a signed type. */
if(granulepos>=0){
return((double)granulepos/v->vi->rate);
}else{
ogg_int64_t granuleoff=0xffffffff;
granuleoff<<=31;
granuleoff|=0x7ffffffff;
return(((double)granulepos+2+granuleoff+granuleoff)/v->vi->rate);
}
}
const char *vorbis_version_string(void){
return GENERAL_VENDOR_STRING;
}

94
Sources/libvorbis/lib/lookup.c Normal file
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@ -0,0 +1,94 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: lookup based functions
last mod: $Id: lookup.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#include <math.h>
#include "lookup.h"
#include "lookup_data.h"
#include "os.h"
#include "misc.h"
#ifdef FLOAT_LOOKUP
/* interpolated lookup based cos function, domain 0 to PI only */
float vorbis_coslook(float a){
double d=a*(.31830989*(float)COS_LOOKUP_SZ);
int i=vorbis_ftoi(d-.5);
return COS_LOOKUP[i]+ (d-i)*(COS_LOOKUP[i+1]-COS_LOOKUP[i]);
}
/* interpolated 1./sqrt(p) where .5 <= p < 1. */
float vorbis_invsqlook(float a){
double d=a*(2.f*(float)INVSQ_LOOKUP_SZ)-(float)INVSQ_LOOKUP_SZ;
int i=vorbis_ftoi(d-.5f);
return INVSQ_LOOKUP[i]+ (d-i)*(INVSQ_LOOKUP[i+1]-INVSQ_LOOKUP[i]);
}
/* interpolated 1./sqrt(p) where .5 <= p < 1. */
float vorbis_invsq2explook(int a){
return INVSQ2EXP_LOOKUP[a-INVSQ2EXP_LOOKUP_MIN];
}
#include <stdio.h>
/* interpolated lookup based fromdB function, domain -140dB to 0dB only */
float vorbis_fromdBlook(float a){
int i=vorbis_ftoi(a*((float)(-(1<<FROMdB2_SHIFT)))-.5f);
return (i<0)?1.f:
((i>=(FROMdB_LOOKUP_SZ<<FROMdB_SHIFT))?0.f:
FROMdB_LOOKUP[i>>FROMdB_SHIFT]*FROMdB2_LOOKUP[i&FROMdB2_MASK]);
}
#endif
#ifdef INT_LOOKUP
/* interpolated 1./sqrt(p) where .5 <= a < 1. (.100000... to .111111...) in
16.16 format
returns in m.8 format */
long vorbis_invsqlook_i(long a,long e){
long i=(a&0x7fff)>>(INVSQ_LOOKUP_I_SHIFT-1);
long d=(a&INVSQ_LOOKUP_I_MASK)<<(16-INVSQ_LOOKUP_I_SHIFT); /* 0.16 */
long val=INVSQ_LOOKUP_I[i]- /* 1.16 */
(((INVSQ_LOOKUP_I[i]-INVSQ_LOOKUP_I[i+1])* /* 0.16 */
d)>>16); /* result 1.16 */
e+=32;
if(e&1)val=(val*5792)>>13; /* multiply val by 1/sqrt(2) */
e=(e>>1)-8;
return(val>>e);
}
/* interpolated lookup based fromdB function, domain -140dB to 0dB only */
/* a is in n.12 format */
float vorbis_fromdBlook_i(long a){
int i=(-a)>>(12-FROMdB2_SHIFT);
return (i<0)?1.f:
((i>=(FROMdB_LOOKUP_SZ<<FROMdB_SHIFT))?0.f:
FROMdB_LOOKUP[i>>FROMdB_SHIFT]*FROMdB2_LOOKUP[i&FROMdB2_MASK]);
}
/* interpolated lookup based cos function, domain 0 to PI only */
/* a is in 0.16 format, where 0==0, 2^^16-1==PI, return 0.14 */
long vorbis_coslook_i(long a){
int i=a>>COS_LOOKUP_I_SHIFT;
int d=a&COS_LOOKUP_I_MASK;
return COS_LOOKUP_I[i]- ((d*(COS_LOOKUP_I[i]-COS_LOOKUP_I[i+1]))>>
COS_LOOKUP_I_SHIFT);
}
#endif

32
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: lookup based functions
last mod: $Id: lookup.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#ifndef _V_LOOKUP_H_
#ifdef FLOAT_LOOKUP
extern float vorbis_coslook(float a);
extern float vorbis_invsqlook(float a);
extern float vorbis_invsq2explook(int a);
extern float vorbis_fromdBlook(float a);
#endif
#ifdef INT_LOOKUP
extern long vorbis_invsqlook_i(long a,long e);
extern long vorbis_coslook_i(long a);
extern float vorbis_fromdBlook_i(long a);
#endif
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: lookup data; generated by lookups.pl; edit there
last mod: $Id: lookup_data.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
#ifndef _V_LOOKUP_DATA_H_
#ifdef FLOAT_LOOKUP
#define COS_LOOKUP_SZ 128
static const float COS_LOOKUP[COS_LOOKUP_SZ+1]={
+1.0000000000000f,+0.9996988186962f,+0.9987954562052f,+0.9972904566787f,
+0.9951847266722f,+0.9924795345987f,+0.9891765099648f,+0.9852776423889f,
+0.9807852804032f,+0.9757021300385f,+0.9700312531945f,+0.9637760657954f,
+0.9569403357322f,+0.9495281805930f,+0.9415440651830f,+0.9329927988347f,
+0.9238795325113f,+0.9142097557035f,+0.9039892931234f,+0.8932243011955f,
+0.8819212643484f,+0.8700869911087f,+0.8577286100003f,+0.8448535652497f,
+0.8314696123025f,+0.8175848131516f,+0.8032075314806f,+0.7883464276266f,
+0.7730104533627f,+0.7572088465065f,+0.7409511253550f,+0.7242470829515f,
+0.7071067811865f,+0.6895405447371f,+0.6715589548470f,+0.6531728429538f,
+0.6343932841636f,+0.6152315905806f,+0.5956993044924f,+0.5758081914178f,
+0.5555702330196f,+0.5349976198871f,+0.5141027441932f,+0.4928981922298f,
+0.4713967368260f,+0.4496113296546f,+0.4275550934303f,+0.4052413140050f,
+0.3826834323651f,+0.3598950365350f,+0.3368898533922f,+0.3136817403989f,
+0.2902846772545f,+0.2667127574749f,+0.2429801799033f,+0.2191012401569f,
+0.1950903220161f,+0.1709618887603f,+0.1467304744554f,+0.1224106751992f,
+0.0980171403296f,+0.0735645635997f,+0.0490676743274f,+0.0245412285229f,
+0.0000000000000f,-0.0245412285229f,-0.0490676743274f,-0.0735645635997f,
-0.0980171403296f,-0.1224106751992f,-0.1467304744554f,-0.1709618887603f,
-0.1950903220161f,-0.2191012401569f,-0.2429801799033f,-0.2667127574749f,
-0.2902846772545f,-0.3136817403989f,-0.3368898533922f,-0.3598950365350f,
-0.3826834323651f,-0.4052413140050f,-0.4275550934303f,-0.4496113296546f,
-0.4713967368260f,-0.4928981922298f,-0.5141027441932f,-0.5349976198871f,
-0.5555702330196f,-0.5758081914178f,-0.5956993044924f,-0.6152315905806f,
-0.6343932841636f,-0.6531728429538f,-0.6715589548470f,-0.6895405447371f,
-0.7071067811865f,-0.7242470829515f,-0.7409511253550f,-0.7572088465065f,
-0.7730104533627f,-0.7883464276266f,-0.8032075314806f,-0.8175848131516f,
-0.8314696123025f,-0.8448535652497f,-0.8577286100003f,-0.8700869911087f,
-0.8819212643484f,-0.8932243011955f,-0.9039892931234f,-0.9142097557035f,
-0.9238795325113f,-0.9329927988347f,-0.9415440651830f,-0.9495281805930f,
-0.9569403357322f,-0.9637760657954f,-0.9700312531945f,-0.9757021300385f,
-0.9807852804032f,-0.9852776423889f,-0.9891765099648f,-0.9924795345987f,
-0.9951847266722f,-0.9972904566787f,-0.9987954562052f,-0.9996988186962f,
-1.0000000000000f,
};
#define INVSQ_LOOKUP_SZ 32
static const float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={
1.414213562373f,1.392621247646f,1.371988681140f,1.352246807566f,
1.333333333333f,1.315191898443f,1.297771369046f,1.281025230441f,
1.264911064067f,1.249390095109f,1.234426799697f,1.219988562661f,
1.206045378311f,1.192569588000f,1.179535649239f,1.166919931983f,
1.154700538379f,1.142857142857f,1.131370849898f,1.120224067222f,
1.109400392450f,1.098884511590f,1.088662107904f,1.078719779941f,
1.069044967650f,1.059625885652f,1.050451462878f,1.041511287847f,
1.032795558989f,1.024295039463f,1.016001016002f,1.007905261358f,
1.000000000000f,
};
#define INVSQ2EXP_LOOKUP_MIN (-32)
#define INVSQ2EXP_LOOKUP_MAX 32
static const float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\
INVSQ2EXP_LOOKUP_MIN+1]={
65536.f, 46340.95001f, 32768.f, 23170.47501f,
16384.f, 11585.2375f, 8192.f, 5792.618751f,
4096.f, 2896.309376f, 2048.f, 1448.154688f,
1024.f, 724.0773439f, 512.f, 362.038672f,
256.f, 181.019336f, 128.f, 90.50966799f,
64.f, 45.254834f, 32.f, 22.627417f,
16.f, 11.3137085f, 8.f, 5.656854249f,
4.f, 2.828427125f, 2.f, 1.414213562f,
1.f, 0.7071067812f, 0.5f, 0.3535533906f,
0.25f, 0.1767766953f, 0.125f, 0.08838834765f,
0.0625f, 0.04419417382f, 0.03125f, 0.02209708691f,
0.015625f, 0.01104854346f, 0.0078125f, 0.005524271728f,
0.00390625f, 0.002762135864f, 0.001953125f, 0.001381067932f,
0.0009765625f, 0.000690533966f, 0.00048828125f, 0.000345266983f,
0.000244140625f,0.0001726334915f,0.0001220703125f,8.631674575e-05f,
6.103515625e-05f,4.315837288e-05f,3.051757812e-05f,2.157918644e-05f,
1.525878906e-05f,
};
#endif
#define FROMdB_LOOKUP_SZ 35
#define FROMdB2_LOOKUP_SZ 32
#define FROMdB_SHIFT 5
#define FROMdB2_SHIFT 3
#define FROMdB2_MASK 31
#ifdef FLOAT_LOOKUP
static const float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
1.f, 0.6309573445f, 0.3981071706f, 0.2511886432f,
0.1584893192f, 0.1f, 0.06309573445f, 0.03981071706f,
0.02511886432f, 0.01584893192f, 0.01f, 0.006309573445f,
0.003981071706f, 0.002511886432f, 0.001584893192f, 0.001f,
0.0006309573445f,0.0003981071706f,0.0002511886432f,0.0001584893192f,
0.0001f,6.309573445e-05f,3.981071706e-05f,2.511886432e-05f,
1.584893192e-05f, 1e-05f,6.309573445e-06f,3.981071706e-06f,
2.511886432e-06f,1.584893192e-06f, 1e-06f,6.309573445e-07f,
3.981071706e-07f,2.511886432e-07f,1.584893192e-07f,
};
static const float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
0.9928302478f, 0.9786445908f, 0.9646616199f, 0.9508784391f,
0.9372921937f, 0.92390007f, 0.9106992942f, 0.8976871324f,
0.8848608897f, 0.8722179097f, 0.8597555737f, 0.8474713009f,
0.835362547f, 0.8234268041f, 0.8116616003f, 0.8000644989f,
0.7886330981f, 0.7773650302f, 0.7662579617f, 0.755309592f,
0.7445176537f, 0.7338799116f, 0.7233941627f, 0.7130582353f,
0.7028699885f, 0.6928273125f, 0.6829281272f, 0.6731703824f,
0.6635520573f, 0.6540711597f, 0.6447257262f, 0.6355138211f,
};
#endif
#ifdef INT_LOOKUP
#define INVSQ_LOOKUP_I_SHIFT 10
#define INVSQ_LOOKUP_I_MASK 1023
static const long INVSQ_LOOKUP_I[64+1]={
92682l, 91966l, 91267l, 90583l,
89915l, 89261l, 88621l, 87995l,
87381l, 86781l, 86192l, 85616l,
85051l, 84497l, 83953l, 83420l,
82897l, 82384l, 81880l, 81385l,
80899l, 80422l, 79953l, 79492l,
79039l, 78594l, 78156l, 77726l,
77302l, 76885l, 76475l, 76072l,
75674l, 75283l, 74898l, 74519l,
74146l, 73778l, 73415l, 73058l,
72706l, 72359l, 72016l, 71679l,
71347l, 71019l, 70695l, 70376l,
70061l, 69750l, 69444l, 69141l,
68842l, 68548l, 68256l, 67969l,
67685l, 67405l, 67128l, 66855l,
66585l, 66318l, 66054l, 65794l,
65536l,
};
#define COS_LOOKUP_I_SHIFT 9
#define COS_LOOKUP_I_MASK 511
#define COS_LOOKUP_I_SZ 128
static const long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
16384l, 16379l, 16364l, 16340l,
16305l, 16261l, 16207l, 16143l,
16069l, 15986l, 15893l, 15791l,
15679l, 15557l, 15426l, 15286l,
15137l, 14978l, 14811l, 14635l,
14449l, 14256l, 14053l, 13842l,
13623l, 13395l, 13160l, 12916l,
12665l, 12406l, 12140l, 11866l,
11585l, 11297l, 11003l, 10702l,
10394l, 10080l, 9760l, 9434l,
9102l, 8765l, 8423l, 8076l,
7723l, 7366l, 7005l, 6639l,
6270l, 5897l, 5520l, 5139l,
4756l, 4370l, 3981l, 3590l,
3196l, 2801l, 2404l, 2006l,
1606l, 1205l, 804l, 402l,
0l, -401l, -803l, -1204l,
-1605l, -2005l, -2403l, -2800l,
-3195l, -3589l, -3980l, -4369l,
-4755l, -5138l, -5519l, -5896l,
-6269l, -6638l, -7004l, -7365l,
-7722l, -8075l, -8422l, -8764l,
-9101l, -9433l, -9759l, -10079l,
-10393l, -10701l, -11002l, -11296l,
-11584l, -11865l, -12139l, -12405l,
-12664l, -12915l, -13159l, -13394l,
-13622l, -13841l, -14052l, -14255l,
-14448l, -14634l, -14810l, -14977l,
-15136l, -15285l, -15425l, -15556l,
-15678l, -15790l, -15892l, -15985l,
-16068l, -16142l, -16206l, -16260l,
-16304l, -16339l, -16363l, -16378l,
-16383l,
};
#endif
#endif

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#!/usr/bin/perl
print <<'EOD';
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: lookup data; generated by lookups.pl; edit there
last mod: $Id: lookups.pl 13293 2007-07-24 00:09:47Z xiphmont $
********************************************************************/
#ifndef _V_LOOKUP_DATA_H_
#ifdef FLOAT_LOOKUP
EOD
$cos_sz=128;
$invsq_sz=32;
$invsq2exp_min=-32;
$invsq2exp_max=32;
$fromdB_sz=35;
$fromdB_shift=5;
$fromdB2_shift=3;
$invsq_i_shift=10;
$cos_i_shift=9;
$delta_shift=6;
print "#define COS_LOOKUP_SZ $cos_sz\n";
print "static float COS_LOOKUP[COS_LOOKUP_SZ+1]={\n";
for($i=0;$i<=$cos_sz;){
print "\t";
for($j=0;$j<4 && $i<=$cos_sz;$j++){
printf "%+.13f,", cos(3.14159265358979323846*($i++)/$cos_sz) ;
}
print "\n";
}
print "};\n\n";
print "#define INVSQ_LOOKUP_SZ $invsq_sz\n";
print "static float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={\n";
for($i=0;$i<=$invsq_sz;){
print "\t";
for($j=0;$j<4 && $i<=$invsq_sz;$j++){
my$indexmap=$i++/$invsq_sz*.5+.5;
printf "%.12f,", 1./sqrt($indexmap);
}
print "\n";
}
print "};\n\n";
print "#define INVSQ2EXP_LOOKUP_MIN $invsq2exp_min\n";
print "#define INVSQ2EXP_LOOKUP_MAX $invsq2exp_max\n";
print "static float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\\\n".
" INVSQ2EXP_LOOKUP_MIN+1]={\n";
for($i=$invsq2exp_min;$i<=$invsq2exp_max;){
print "\t";
for($j=0;$j<4 && $i<=$invsq2exp_max;$j++){
printf "%15.10g,", 2**($i++*-.5);
}
print "\n";
}
print "};\n\n#endif\n\n";
# 0 to -140 dB
$fromdB2_sz=1<<$fromdB_shift;
$fromdB_gran=1<<($fromdB_shift-$fromdB2_shift);
print "#define FROMdB_LOOKUP_SZ $fromdB_sz\n";
print "#define FROMdB2_LOOKUP_SZ $fromdB2_sz\n";
print "#define FROMdB_SHIFT $fromdB_shift\n";
print "#define FROMdB2_SHIFT $fromdB2_shift\n";
print "#define FROMdB2_MASK ".((1<<$fromdB_shift)-1)."\n";
print "static float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={\n";
for($i=0;$i<$fromdB_sz;){
print "\t";
for($j=0;$j<4 && $i<$fromdB_sz;$j++){
printf "%15.10g,", 10**(.05*(-$fromdB_gran*$i++));
}
print "\n";
}
print "};\n\n";
print "static float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={\n";
for($i=0;$i<$fromdB2_sz;){
print "\t";
for($j=0;$j<4 && $i<$fromdB_sz;$j++){
printf "%15.10g,", 10**(.05*(-$fromdB_gran/$fromdB2_sz*(.5+$i++)));
}
print "\n";
}
print "};\n\n#ifdef INT_LOOKUP\n\n";
$iisz=0x10000>>$invsq_i_shift;
print "#define INVSQ_LOOKUP_I_SHIFT $invsq_i_shift\n";
print "#define INVSQ_LOOKUP_I_MASK ".(0x0ffff>>(16-$invsq_i_shift))."\n";
print "static long INVSQ_LOOKUP_I[$iisz+1]={\n";
for($i=0;$i<=$iisz;){
print "\t";
for($j=0;$j<4 && $i<=$iisz;$j++){
my$indexmap=$i++/$iisz*.5+.5;
printf "%8d,", int(1./sqrt($indexmap)*65536.+.5);
}
print "\n";
}
print "};\n\n";
$cisz=0x10000>>$cos_i_shift;
print "#define COS_LOOKUP_I_SHIFT $cos_i_shift\n";
print "#define COS_LOOKUP_I_MASK ".(0x0ffff>>(16-$cos_i_shift))."\n";
print "#define COS_LOOKUP_I_SZ $cisz\n";
print "static long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={\n";
for($i=0;$i<=$cisz;){
print "\t";
for($j=0;$j<4 && $i<=$cisz;$j++){
printf "%8d,", int(cos(3.14159265358979323846*($i++)/$cos_sz)*16384.+.5) ;
}
print "\n";
}
print "};\n\n";
print "#endif\n\n#endif\n";

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: LPC low level routines
last mod: $Id: lpc.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
/* Some of these routines (autocorrelator, LPC coefficient estimator)
are derived from code written by Jutta Degener and Carsten Bormann;
thus we include their copyright below. The entirety of this file
is freely redistributable on the condition that both of these
copyright notices are preserved without modification. */
/* Preserved Copyright: *********************************************/
/* Copyright 1992, 1993, 1994 by Jutta Degener and Carsten Bormann,
Technische Universita"t Berlin
Any use of this software is permitted provided that this notice is not
removed and that neither the authors nor the Technische Universita"t
Berlin are deemed to have made any representations as to the
suitability of this software for any purpose nor are held responsible
for any defects of this software. THERE IS ABSOLUTELY NO WARRANTY FOR
THIS SOFTWARE.
As a matter of courtesy, the authors request to be informed about uses
this software has found, about bugs in this software, and about any
improvements that may be of general interest.
Berlin, 28.11.1994
Jutta Degener
Carsten Bormann
*********************************************************************/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "os.h"
#include "smallft.h"
#include "lpc.h"
#include "scales.h"
#include "misc.h"
/* Autocorrelation LPC coeff generation algorithm invented by
N. Levinson in 1947, modified by J. Durbin in 1959. */
/* Input : n elements of time doamin data
Output: m lpc coefficients, excitation energy */
float vorbis_lpc_from_data(float *data,float *lpci,int n,int m){
double *aut=alloca(sizeof(*aut)*(m+1));
double *lpc=alloca(sizeof(*lpc)*(m));
double error;
double epsilon;
int i,j;
/* autocorrelation, p+1 lag coefficients */
j=m+1;
while(j--){
double d=0; /* double needed for accumulator depth */
for(i=j;i<n;i++)d+=(double)data[i]*data[i-j];
aut[j]=d;
}
/* Generate lpc coefficients from autocorr values */
/* set our noise floor to about -100dB */
error=aut[0] * (1. + 1e-10);
epsilon=1e-9*aut[0]+1e-10;
for(i=0;i<m;i++){
double r= -aut[i+1];
if(error<epsilon){
memset(lpc+i,0,(m-i)*sizeof(*lpc));
goto done;
}
/* Sum up this iteration's reflection coefficient; note that in
Vorbis we don't save it. If anyone wants to recycle this code
and needs reflection coefficients, save the results of 'r' from
each iteration. */
for(j=0;j<i;j++)r-=lpc[j]*aut[i-j];
r/=error;
/* Update LPC coefficients and total error */
lpc[i]=r;
for(j=0;j<i/2;j++){
double tmp=lpc[j];
lpc[j]+=r*lpc[i-1-j];
lpc[i-1-j]+=r*tmp;
}
if(i&1)lpc[j]+=lpc[j]*r;
error*=1.-r*r;
}
done:
/* slightly damp the filter */
{
double g = .99;
double damp = g;
for(j=0;j<m;j++){
lpc[j]*=damp;
damp*=g;
}
}
for(j=0;j<m;j++)lpci[j]=(float)lpc[j];
/* we need the error value to know how big an impulse to hit the
filter with later */
return error;
}
void vorbis_lpc_predict(float *coeff,float *prime,int m,
float *data,long n){
/* in: coeff[0...m-1] LPC coefficients
prime[0...m-1] initial values (allocated size of n+m-1)
out: data[0...n-1] data samples */
long i,j,o,p;
float y;
float *work=alloca(sizeof(*work)*(m+n));
if(!prime)
for(i=0;i<m;i++)
work[i]=0.f;
else
for(i=0;i<m;i++)
work[i]=prime[i];
for(i=0;i<n;i++){
y=0;
o=i;
p=m;
for(j=0;j<m;j++)
y-=work[o++]*coeff[--p];
data[i]=work[o]=y;
}
}

29
Sources/libvorbis/lib/lpc.h Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: LPC low level routines
last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
#ifndef _V_LPC_H_
#define _V_LPC_H_
#include "vorbis/codec.h"
/* simple linear scale LPC code */
extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
float *data,long n);
#endif

454
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: LSP (also called LSF) conversion routines
last mod: $Id: lsp.c 19453 2015-03-02 22:35:34Z xiphmont $
The LSP generation code is taken (with minimal modification and a
few bugfixes) from "On the Computation of the LSP Frequencies" by
Joseph Rothweiler (see http://www.rothweiler.us for contact info).
The paper is available at:
http://www.myown1.com/joe/lsf
********************************************************************/
/* Note that the lpc-lsp conversion finds the roots of polynomial with
an iterative root polisher (CACM algorithm 283). It *is* possible
to confuse this algorithm into not converging; that should only
happen with absurdly closely spaced roots (very sharp peaks in the
LPC f response) which in turn should be impossible in our use of
the code. If this *does* happen anyway, it's a bug in the floor
finder; find the cause of the confusion (probably a single bin
spike or accidental near-float-limit resolution problems) and
correct it. */
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include "lsp.h"
#include "os.h"
#include "misc.h"
#include "lookup.h"
#include "scales.h"
/* three possible LSP to f curve functions; the exact computation
(float), a lookup based float implementation, and an integer
implementation. The float lookup is likely the optimal choice on
any machine with an FPU. The integer implementation is *not* fixed
point (due to the need for a large dynamic range and thus a
separately tracked exponent) and thus much more complex than the
relatively simple float implementations. It's mostly for future
work on a fully fixed point implementation for processors like the
ARM family. */
/* define either of these (preferably FLOAT_LOOKUP) to have faster
but less precise implementation. */
#undef FLOAT_LOOKUP
#undef INT_LOOKUP
#ifdef FLOAT_LOOKUP
#include "lookup.c" /* catch this in the build system; we #include for
compilers (like gcc) that can't inline across
modules */
/* side effect: changes *lsp to cosines of lsp */
void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,float *lsp,int m,
float amp,float ampoffset){
int i;
float wdel=M_PI/ln;
vorbis_fpu_control fpu;
vorbis_fpu_setround(&fpu);
for(i=0;i<m;i++)lsp[i]=vorbis_coslook(lsp[i]);
i=0;
while(i<n){
int k=map[i];
int qexp;
float p=.7071067812f;
float q=.7071067812f;
float w=vorbis_coslook(wdel*k);
float *ftmp=lsp;
int c=m>>1;
while(c--){
q*=ftmp[0]-w;
p*=ftmp[1]-w;
ftmp+=2;
}
if(m&1){
/* odd order filter; slightly assymetric */
/* the last coefficient */
q*=ftmp[0]-w;
q*=q;
p*=p*(1.f-w*w);
}else{
/* even order filter; still symmetric */
q*=q*(1.f+w);
p*=p*(1.f-w);
}
q=frexp(p+q,&qexp);
q=vorbis_fromdBlook(amp*
vorbis_invsqlook(q)*
vorbis_invsq2explook(qexp+m)-
ampoffset);
do{
curve[i++]*=q;
}while(map[i]==k);
}
vorbis_fpu_restore(fpu);
}
#else
#ifdef INT_LOOKUP
#include "lookup.c" /* catch this in the build system; we #include for
compilers (like gcc) that can't inline across
modules */
static const int MLOOP_1[64]={
0,10,11,11, 12,12,12,12, 13,13,13,13, 13,13,13,13,
14,14,14,14, 14,14,14,14, 14,14,14,14, 14,14,14,14,
15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15,
15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15,
};
static const int MLOOP_2[64]={
0,4,5,5, 6,6,6,6, 7,7,7,7, 7,7,7,7,
8,8,8,8, 8,8,8,8, 8,8,8,8, 8,8,8,8,
9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9,
9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9,
};
static const int MLOOP_3[8]={0,1,2,2,3,3,3,3};
/* side effect: changes *lsp to cosines of lsp */
void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,float *lsp,int m,
float amp,float ampoffset){
/* 0 <= m < 256 */
/* set up for using all int later */
int i;
int ampoffseti=rint(ampoffset*4096.f);
int ampi=rint(amp*16.f);
long *ilsp=alloca(m*sizeof(*ilsp));
for(i=0;i<m;i++)ilsp[i]=vorbis_coslook_i(lsp[i]/M_PI*65536.f+.5f);
i=0;
while(i<n){
int j,k=map[i];
unsigned long pi=46341; /* 2**-.5 in 0.16 */
unsigned long qi=46341;
int qexp=0,shift;
long wi=vorbis_coslook_i(k*65536/ln);
qi*=labs(ilsp[0]-wi);
pi*=labs(ilsp[1]-wi);
for(j=3;j<m;j+=2){
if(!(shift=MLOOP_1[(pi|qi)>>25]))
if(!(shift=MLOOP_2[(pi|qi)>>19]))
shift=MLOOP_3[(pi|qi)>>16];
qi=(qi>>shift)*labs(ilsp[j-1]-wi);
pi=(pi>>shift)*labs(ilsp[j]-wi);
qexp+=shift;
}
if(!(shift=MLOOP_1[(pi|qi)>>25]))
if(!(shift=MLOOP_2[(pi|qi)>>19]))
shift=MLOOP_3[(pi|qi)>>16];
/* pi,qi normalized collectively, both tracked using qexp */
if(m&1){
/* odd order filter; slightly assymetric */
/* the last coefficient */
qi=(qi>>shift)*labs(ilsp[j-1]-wi);
pi=(pi>>shift)<<14;
qexp+=shift;
if(!(shift=MLOOP_1[(pi|qi)>>25]))
if(!(shift=MLOOP_2[(pi|qi)>>19]))
shift=MLOOP_3[(pi|qi)>>16];
pi>>=shift;
qi>>=shift;
qexp+=shift-14*((m+1)>>1);
pi=((pi*pi)>>16);
qi=((qi*qi)>>16);
qexp=qexp*2+m;
pi*=(1<<14)-((wi*wi)>>14);
qi+=pi>>14;
}else{
/* even order filter; still symmetric */
/* p*=p(1-w), q*=q(1+w), let normalization drift because it isn't
worth tracking step by step */
pi>>=shift;
qi>>=shift;
qexp+=shift-7*m;
pi=((pi*pi)>>16);
qi=((qi*qi)>>16);
qexp=qexp*2+m;
pi*=(1<<14)-wi;
qi*=(1<<14)+wi;
qi=(qi+pi)>>14;
}
/* we've let the normalization drift because it wasn't important;
however, for the lookup, things must be normalized again. We
need at most one right shift or a number of left shifts */
if(qi&0xffff0000){ /* checks for 1.xxxxxxxxxxxxxxxx */
qi>>=1; qexp++;
}else
while(qi && !(qi&0x8000)){ /* checks for 0.0xxxxxxxxxxxxxxx or less*/
qi<<=1; qexp--;
}
amp=vorbis_fromdBlook_i(ampi* /* n.4 */
vorbis_invsqlook_i(qi,qexp)-
/* m.8, m+n<=8 */
ampoffseti); /* 8.12[0] */
curve[i]*=amp;
while(map[++i]==k)curve[i]*=amp;
}
}
#else
/* old, nonoptimized but simple version for any poor sap who needs to
figure out what the hell this code does, or wants the other
fraction of a dB precision */
/* side effect: changes *lsp to cosines of lsp */
void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,float *lsp,int m,
float amp,float ampoffset){
int i;
float wdel=M_PI/ln;
for(i=0;i<m;i++)lsp[i]=2.f*cos(lsp[i]);
i=0;
while(i<n){
int j,k=map[i];
float p=.5f;
float q=.5f;
float w=2.f*cos(wdel*k);
for(j=1;j<m;j+=2){
q *= w-lsp[j-1];
p *= w-lsp[j];
}
if(j==m){
/* odd order filter; slightly assymetric */
/* the last coefficient */
q*=w-lsp[j-1];
p*=p*(4.f-w*w);
q*=q;
}else{
/* even order filter; still symmetric */
p*=p*(2.f-w);
q*=q*(2.f+w);
}
q=fromdB(amp/sqrt(p+q)-ampoffset);
curve[i]*=q;
while(map[++i]==k)curve[i]*=q;
}
}
#endif
#endif
static void cheby(float *g, int ord) {
int i, j;
g[0] *= .5f;
for(i=2; i<= ord; i++) {
for(j=ord; j >= i; j--) {
g[j-2] -= g[j];
g[j] += g[j];
}
}
}
static int comp(const void *a,const void *b){
return (*(float *)a<*(float *)b)-(*(float *)a>*(float *)b);
}
/* Newton-Raphson-Maehly actually functioned as a decent root finder,
but there are root sets for which it gets into limit cycles
(exacerbated by zero suppression) and fails. We can't afford to
fail, even if the failure is 1 in 100,000,000, so we now use
Laguerre and later polish with Newton-Raphson (which can then
afford to fail) */
#define EPSILON 10e-7
static int Laguerre_With_Deflation(float *a,int ord,float *r){
int i,m;
double *defl=alloca(sizeof(*defl)*(ord+1));
for(i=0;i<=ord;i++)defl[i]=a[i];
for(m=ord;m>0;m--){
double new=0.f,delta;
/* iterate a root */
while(1){
double p=defl[m],pp=0.f,ppp=0.f,denom;
/* eval the polynomial and its first two derivatives */
for(i=m;i>0;i--){
ppp = new*ppp + pp;
pp = new*pp + p;
p = new*p + defl[i-1];
}
/* Laguerre's method */
denom=(m-1) * ((m-1)*pp*pp - m*p*ppp);
if(denom<0)
return(-1); /* complex root! The LPC generator handed us a bad filter */
if(pp>0){
denom = pp + sqrt(denom);
if(denom<EPSILON)denom=EPSILON;
}else{
denom = pp - sqrt(denom);
if(denom>-(EPSILON))denom=-(EPSILON);
}
delta = m*p/denom;
new -= delta;
if(delta<0.f)delta*=-1;
if(fabs(delta/new)<10e-12)break;
}
r[m-1]=new;
/* forward deflation */
for(i=m;i>0;i--)
defl[i-1]+=new*defl[i];
defl++;
}
return(0);
}
/* for spit-and-polish only */
static int Newton_Raphson(float *a,int ord,float *r){
int i, k, count=0;
double error=1.f;
double *root=alloca(ord*sizeof(*root));
for(i=0; i<ord;i++) root[i] = r[i];
while(error>1e-20){
error=0;
for(i=0; i<ord; i++) { /* Update each point. */
double pp=0.,delta;
double rooti=root[i];
double p=a[ord];
for(k=ord-1; k>= 0; k--) {
pp= pp* rooti + p;
p = p * rooti + a[k];
}
delta = p/pp;
root[i] -= delta;
error+= delta*delta;
}
if(count>40)return(-1);
count++;
}
/* Replaced the original bubble sort with a real sort. With your
help, we can eliminate the bubble sort in our lifetime. --Monty */
for(i=0; i<ord;i++) r[i] = root[i];
return(0);
}
/* Convert lpc coefficients to lsp coefficients */
int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m){
int order2=(m+1)>>1;
int g1_order,g2_order;
float *g1=alloca(sizeof(*g1)*(order2+1));
float *g2=alloca(sizeof(*g2)*(order2+1));
float *g1r=alloca(sizeof(*g1r)*(order2+1));
float *g2r=alloca(sizeof(*g2r)*(order2+1));
int i;
/* even and odd are slightly different base cases */
g1_order=(m+1)>>1;
g2_order=(m) >>1;
/* Compute the lengths of the x polynomials. */
/* Compute the first half of K & R F1 & F2 polynomials. */
/* Compute half of the symmetric and antisymmetric polynomials. */
/* Remove the roots at +1 and -1. */
g1[g1_order] = 1.f;
for(i=1;i<=g1_order;i++) g1[g1_order-i] = lpc[i-1]+lpc[m-i];
g2[g2_order] = 1.f;
for(i=1;i<=g2_order;i++) g2[g2_order-i] = lpc[i-1]-lpc[m-i];
if(g1_order>g2_order){
for(i=2; i<=g2_order;i++) g2[g2_order-i] += g2[g2_order-i+2];
}else{
for(i=1; i<=g1_order;i++) g1[g1_order-i] -= g1[g1_order-i+1];
for(i=1; i<=g2_order;i++) g2[g2_order-i] += g2[g2_order-i+1];
}
/* Convert into polynomials in cos(alpha) */
cheby(g1,g1_order);
cheby(g2,g2_order);
/* Find the roots of the 2 even polynomials.*/
if(Laguerre_With_Deflation(g1,g1_order,g1r) ||
Laguerre_With_Deflation(g2,g2_order,g2r))
return(-1);
Newton_Raphson(g1,g1_order,g1r); /* if it fails, it leaves g1r alone */
Newton_Raphson(g2,g2_order,g2r); /* if it fails, it leaves g2r alone */
qsort(g1r,g1_order,sizeof(*g1r),comp);
qsort(g2r,g2_order,sizeof(*g2r),comp);
for(i=0;i<g1_order;i++)
lsp[i*2] = acos(g1r[i]);
for(i=0;i<g2_order;i++)
lsp[i*2+1] = acos(g2r[i]);
return(0);
}

28
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: LSP (also called LSF) conversion routines
last mod: $Id: lsp.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#ifndef _V_LSP_H_
#define _V_LSP_H_
extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);
extern void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,
float *lsp,int m,
float amp,float ampoffset);
#endif

810
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: channel mapping 0 implementation
last mod: $Id: mapping0.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "codebook.h"
#include "window.h"
#include "registry.h"
#include "psy.h"
#include "misc.h"
/* simplistic, wasteful way of doing this (unique lookup for each
mode/submapping); there should be a central repository for
identical lookups. That will require minor work, so I'm putting it
off as low priority.
Why a lookup for each backend in a given mode? Because the
blocksize is set by the mode, and low backend lookups may require
parameters from other areas of the mode/mapping */
static void mapping0_free_info(vorbis_info_mapping *i){
vorbis_info_mapping0 *info=(vorbis_info_mapping0 *)i;
if(info){
memset(info,0,sizeof(*info));
_ogg_free(info);
}
}
static void mapping0_pack(vorbis_info *vi,vorbis_info_mapping *vm,
oggpack_buffer *opb){
int i;
vorbis_info_mapping0 *info=(vorbis_info_mapping0 *)vm;
/* another 'we meant to do it this way' hack... up to beta 4, we
packed 4 binary zeros here to signify one submapping in use. We
now redefine that to mean four bitflags that indicate use of
deeper features; bit0:submappings, bit1:coupling,
bit2,3:reserved. This is backward compatable with all actual uses
of the beta code. */
if(info->submaps>1){
oggpack_write(opb,1,1);
oggpack_write(opb,info->submaps-1,4);
}else
oggpack_write(opb,0,1);
if(info->coupling_steps>0){
oggpack_write(opb,1,1);
oggpack_write(opb,info->coupling_steps-1,8);
for(i=0;i<info->coupling_steps;i++){
oggpack_write(opb,info->coupling_mag[i],ov_ilog(vi->channels-1));
oggpack_write(opb,info->coupling_ang[i],ov_ilog(vi->channels-1));
}
}else
oggpack_write(opb,0,1);
oggpack_write(opb,0,2); /* 2,3:reserved */
/* we don't write the channel submappings if we only have one... */
if(info->submaps>1){
for(i=0;i<vi->channels;i++)
oggpack_write(opb,info->chmuxlist[i],4);
}
for(i=0;i<info->submaps;i++){
oggpack_write(opb,0,8); /* time submap unused */
oggpack_write(opb,info->floorsubmap[i],8);
oggpack_write(opb,info->residuesubmap[i],8);
}
}
/* also responsible for range checking */
static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb){
int i,b;
vorbis_info_mapping0 *info=_ogg_calloc(1,sizeof(*info));
codec_setup_info *ci=vi->codec_setup;
memset(info,0,sizeof(*info));
if(vi->channels<=0)goto err_out;
b=oggpack_read(opb,1);
if(b<0)goto err_out;
if(b){
info->submaps=oggpack_read(opb,4)+1;
if(info->submaps<=0)goto err_out;
}else
info->submaps=1;
b=oggpack_read(opb,1);
if(b<0)goto err_out;
if(b){
info->coupling_steps=oggpack_read(opb,8)+1;
if(info->coupling_steps<=0)goto err_out;
for(i=0;i<info->coupling_steps;i++){
/* vi->channels > 0 is enforced in the caller */
int testM=info->coupling_mag[i]=
oggpack_read(opb,ov_ilog(vi->channels-1));
int testA=info->coupling_ang[i]=
oggpack_read(opb,ov_ilog(vi->channels-1));
if(testM<0 ||
testA<0 ||
testM==testA ||
testM>=vi->channels ||
testA>=vi->channels) goto err_out;
}
}
if(oggpack_read(opb,2)!=0)goto err_out; /* 2,3:reserved */
if(info->submaps>1){
for(i=0;i<vi->channels;i++){
info->chmuxlist[i]=oggpack_read(opb,4);
if(info->chmuxlist[i]>=info->submaps || info->chmuxlist[i]<0)goto err_out;
}
}
for(i=0;i<info->submaps;i++){
oggpack_read(opb,8); /* time submap unused */
info->floorsubmap[i]=oggpack_read(opb,8);
if(info->floorsubmap[i]>=ci->floors || info->floorsubmap[i]<0)goto err_out;
info->residuesubmap[i]=oggpack_read(opb,8);
if(info->residuesubmap[i]>=ci->residues || info->residuesubmap[i]<0)goto err_out;
}
return info;
err_out:
mapping0_free_info(info);
return(NULL);
}
#include "os.h"
#include "lpc.h"
#include "lsp.h"
#include "envelope.h"
#include "mdct.h"
#include "psy.h"
#include "scales.h"
#if 0
static long seq=0;
static ogg_int64_t total=0;
static float FLOOR1_fromdB_LOOKUP[256]={
1.0649863e-07F, 1.1341951e-07F, 1.2079015e-07F, 1.2863978e-07F,
1.3699951e-07F, 1.4590251e-07F, 1.5538408e-07F, 1.6548181e-07F,
1.7623575e-07F, 1.8768855e-07F, 1.9988561e-07F, 2.128753e-07F,
2.2670913e-07F, 2.4144197e-07F, 2.5713223e-07F, 2.7384213e-07F,
2.9163793e-07F, 3.1059021e-07F, 3.3077411e-07F, 3.5226968e-07F,
3.7516214e-07F, 3.9954229e-07F, 4.2550680e-07F, 4.5315863e-07F,
4.8260743e-07F, 5.1396998e-07F, 5.4737065e-07F, 5.8294187e-07F,
6.2082472e-07F, 6.6116941e-07F, 7.0413592e-07F, 7.4989464e-07F,
7.9862701e-07F, 8.5052630e-07F, 9.0579828e-07F, 9.6466216e-07F,
1.0273513e-06F, 1.0941144e-06F, 1.1652161e-06F, 1.2409384e-06F,
1.3215816e-06F, 1.4074654e-06F, 1.4989305e-06F, 1.5963394e-06F,
1.7000785e-06F, 1.8105592e-06F, 1.9282195e-06F, 2.0535261e-06F,
2.1869758e-06F, 2.3290978e-06F, 2.4804557e-06F, 2.6416497e-06F,
2.8133190e-06F, 2.9961443e-06F, 3.1908506e-06F, 3.3982101e-06F,
3.6190449e-06F, 3.8542308e-06F, 4.1047004e-06F, 4.3714470e-06F,
4.6555282e-06F, 4.9580707e-06F, 5.2802740e-06F, 5.6234160e-06F,
5.9888572e-06F, 6.3780469e-06F, 6.7925283e-06F, 7.2339451e-06F,
7.7040476e-06F, 8.2047000e-06F, 8.7378876e-06F, 9.3057248e-06F,
9.9104632e-06F, 1.0554501e-05F, 1.1240392e-05F, 1.1970856e-05F,
1.2748789e-05F, 1.3577278e-05F, 1.4459606e-05F, 1.5399272e-05F,
1.6400004e-05F, 1.7465768e-05F, 1.8600792e-05F, 1.9809576e-05F,
2.1096914e-05F, 2.2467911e-05F, 2.3928002e-05F, 2.5482978e-05F,
2.7139006e-05F, 2.8902651e-05F, 3.0780908e-05F, 3.2781225e-05F,
3.4911534e-05F, 3.7180282e-05F, 3.9596466e-05F, 4.2169667e-05F,
4.4910090e-05F, 4.7828601e-05F, 5.0936773e-05F, 5.4246931e-05F,
5.7772202e-05F, 6.1526565e-05F, 6.5524908e-05F, 6.9783085e-05F,
7.4317983e-05F, 7.9147585e-05F, 8.4291040e-05F, 8.9768747e-05F,
9.5602426e-05F, 0.00010181521F, 0.00010843174F, 0.00011547824F,
0.00012298267F, 0.00013097477F, 0.00013948625F, 0.00014855085F,
0.00015820453F, 0.00016848555F, 0.00017943469F, 0.00019109536F,
0.00020351382F, 0.00021673929F, 0.00023082423F, 0.00024582449F,
0.00026179955F, 0.00027881276F, 0.00029693158F, 0.00031622787F,
0.00033677814F, 0.00035866388F, 0.00038197188F, 0.00040679456F,
0.00043323036F, 0.00046138411F, 0.00049136745F, 0.00052329927F,
0.00055730621F, 0.00059352311F, 0.00063209358F, 0.00067317058F,
0.00071691700F, 0.00076350630F, 0.00081312324F, 0.00086596457F,
0.00092223983F, 0.00098217216F, 0.0010459992F, 0.0011139742F,
0.0011863665F, 0.0012634633F, 0.0013455702F, 0.0014330129F,
0.0015261382F, 0.0016253153F, 0.0017309374F, 0.0018434235F,
0.0019632195F, 0.0020908006F, 0.0022266726F, 0.0023713743F,
0.0025254795F, 0.0026895994F, 0.0028643847F, 0.0030505286F,
0.0032487691F, 0.0034598925F, 0.0036847358F, 0.0039241906F,
0.0041792066F, 0.0044507950F, 0.0047400328F, 0.0050480668F,
0.0053761186F, 0.0057254891F, 0.0060975636F, 0.0064938176F,
0.0069158225F, 0.0073652516F, 0.0078438871F, 0.0083536271F,
0.0088964928F, 0.009474637F, 0.010090352F, 0.010746080F,
0.011444421F, 0.012188144F, 0.012980198F, 0.013823725F,
0.014722068F, 0.015678791F, 0.016697687F, 0.017782797F,
0.018938423F, 0.020169149F, 0.021479854F, 0.022875735F,
0.024362330F, 0.025945531F, 0.027631618F, 0.029427276F,
0.031339626F, 0.033376252F, 0.035545228F, 0.037855157F,
0.040315199F, 0.042935108F, 0.045725273F, 0.048696758F,
0.051861348F, 0.055231591F, 0.058820850F, 0.062643361F,
0.066714279F, 0.071049749F, 0.075666962F, 0.080584227F,
0.085821044F, 0.091398179F, 0.097337747F, 0.10366330F,
0.11039993F, 0.11757434F, 0.12521498F, 0.13335215F,
0.14201813F, 0.15124727F, 0.16107617F, 0.17154380F,
0.18269168F, 0.19456402F, 0.20720788F, 0.22067342F,
0.23501402F, 0.25028656F, 0.26655159F, 0.28387361F,
0.30232132F, 0.32196786F, 0.34289114F, 0.36517414F,
0.38890521F, 0.41417847F, 0.44109412F, 0.46975890F,
0.50028648F, 0.53279791F, 0.56742212F, 0.60429640F,
0.64356699F, 0.68538959F, 0.72993007F, 0.77736504F,
0.82788260F, 0.88168307F, 0.9389798F, 1.F,
};
#endif
static int mapping0_forward(vorbis_block *vb){
vorbis_dsp_state *vd=vb->vd;
vorbis_info *vi=vd->vi;
codec_setup_info *ci=vi->codec_setup;
private_state *b=vb->vd->backend_state;
vorbis_block_internal *vbi=(vorbis_block_internal *)vb->internal;
int n=vb->pcmend;
int i,j,k;
int *nonzero = alloca(sizeof(*nonzero)*vi->channels);
float **gmdct = _vorbis_block_alloc(vb,vi->channels*sizeof(*gmdct));
int **iwork = _vorbis_block_alloc(vb,vi->channels*sizeof(*iwork));
int ***floor_posts = _vorbis_block_alloc(vb,vi->channels*sizeof(*floor_posts));
float global_ampmax=vbi->ampmax;
float *local_ampmax=alloca(sizeof(*local_ampmax)*vi->channels);
int blocktype=vbi->blocktype;
int modenumber=vb->W;
vorbis_info_mapping0 *info=ci->map_param[modenumber];
vorbis_look_psy *psy_look=b->psy+blocktype+(vb->W?2:0);
vb->mode=modenumber;
for(i=0;i<vi->channels;i++){
float scale=4.f/n;
float scale_dB;
float *pcm =vb->pcm[i];
float *logfft =pcm;
iwork[i]=_vorbis_block_alloc(vb,n/2*sizeof(**iwork));
gmdct[i]=_vorbis_block_alloc(vb,n/2*sizeof(**gmdct));
scale_dB=todB(&scale) + .345; /* + .345 is a hack; the original
todB estimation used on IEEE 754
compliant machines had a bug that
returned dB values about a third
of a decibel too high. The bug
was harmless because tunings
implicitly took that into
account. However, fixing the bug
in the estimator requires
changing all the tunings as well.
For now, it's easier to sync
things back up here, and
recalibrate the tunings in the
next major model upgrade. */
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("pcmL",seq,pcm,n,0,0,total-n/2);
else
_analysis_output("pcmR",seq,pcm,n,0,0,total-n/2);
}else{
_analysis_output("pcm",seq,pcm,n,0,0,total-n/2);
}
#endif
/* window the PCM data */
_vorbis_apply_window(pcm,b->window,ci->blocksizes,vb->lW,vb->W,vb->nW);
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("windowedL",seq,pcm,n,0,0,total-n/2);
else
_analysis_output("windowedR",seq,pcm,n,0,0,total-n/2);
}else{
_analysis_output("windowed",seq,pcm,n,0,0,total-n/2);
}
#endif
/* transform the PCM data */
/* only MDCT right now.... */
mdct_forward(b->transform[vb->W][0],pcm,gmdct[i]);
/* FFT yields more accurate tonal estimation (not phase sensitive) */
drft_forward(&b->fft_look[vb->W],pcm);
logfft[0]=scale_dB+todB(pcm) + .345; /* + .345 is a hack; the
original todB estimation used on
IEEE 754 compliant machines had a
bug that returned dB values about
a third of a decibel too high.
The bug was harmless because
tunings implicitly took that into
account. However, fixing the bug
in the estimator requires
changing all the tunings as well.
For now, it's easier to sync
things back up here, and
recalibrate the tunings in the
next major model upgrade. */
local_ampmax[i]=logfft[0];
for(j=1;j<n-1;j+=2){
float temp=pcm[j]*pcm[j]+pcm[j+1]*pcm[j+1];
temp=logfft[(j+1)>>1]=scale_dB+.5f*todB(&temp) + .345; /* +
.345 is a hack; the original todB
estimation used on IEEE 754
compliant machines had a bug that
returned dB values about a third
of a decibel too high. The bug
was harmless because tunings
implicitly took that into
account. However, fixing the bug
in the estimator requires
changing all the tunings as well.
For now, it's easier to sync
things back up here, and
recalibrate the tunings in the
next major model upgrade. */
if(temp>local_ampmax[i])local_ampmax[i]=temp;
}
if(local_ampmax[i]>0.f)local_ampmax[i]=0.f;
if(local_ampmax[i]>global_ampmax)global_ampmax=local_ampmax[i];
#if 0
if(vi->channels==2){
if(i==0){
_analysis_output("fftL",seq,logfft,n/2,1,0,0);
}else{
_analysis_output("fftR",seq,logfft,n/2,1,0,0);
}
}else{
_analysis_output("fft",seq,logfft,n/2,1,0,0);
}
#endif
}
{
float *noise = _vorbis_block_alloc(vb,n/2*sizeof(*noise));
float *tone = _vorbis_block_alloc(vb,n/2*sizeof(*tone));
for(i=0;i<vi->channels;i++){
/* the encoder setup assumes that all the modes used by any
specific bitrate tweaking use the same floor */
int submap=info->chmuxlist[i];
/* the following makes things clearer to *me* anyway */
float *mdct =gmdct[i];
float *logfft =vb->pcm[i];
float *logmdct =logfft+n/2;
float *logmask =logfft;
vb->mode=modenumber;
floor_posts[i]=_vorbis_block_alloc(vb,PACKETBLOBS*sizeof(**floor_posts));
memset(floor_posts[i],0,sizeof(**floor_posts)*PACKETBLOBS);
for(j=0;j<n/2;j++)
logmdct[j]=todB(mdct+j) + .345; /* + .345 is a hack; the original
todB estimation used on IEEE 754
compliant machines had a bug that
returned dB values about a third
of a decibel too high. The bug
was harmless because tunings
implicitly took that into
account. However, fixing the bug
in the estimator requires
changing all the tunings as well.
For now, it's easier to sync
things back up here, and
recalibrate the tunings in the
next major model upgrade. */
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("mdctL",seq,logmdct,n/2,1,0,0);
else
_analysis_output("mdctR",seq,logmdct,n/2,1,0,0);
}else{
_analysis_output("mdct",seq,logmdct,n/2,1,0,0);
}
#endif
/* first step; noise masking. Not only does 'noise masking'
give us curves from which we can decide how much resolution
to give noise parts of the spectrum, it also implicitly hands
us a tonality estimate (the larger the value in the
'noise_depth' vector, the more tonal that area is) */
_vp_noisemask(psy_look,
logmdct,
noise); /* noise does not have by-frequency offset
bias applied yet */
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("noiseL",seq,noise,n/2,1,0,0);
else
_analysis_output("noiseR",seq,noise,n/2,1,0,0);
}else{
_analysis_output("noise",seq,noise,n/2,1,0,0);
}
#endif
/* second step: 'all the other crap'; all the stuff that isn't
computed/fit for bitrate management goes in the second psy
vector. This includes tone masking, peak limiting and ATH */
_vp_tonemask(psy_look,
logfft,
tone,
global_ampmax,
local_ampmax[i]);
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("toneL",seq,tone,n/2,1,0,0);
else
_analysis_output("toneR",seq,tone,n/2,1,0,0);
}else{
_analysis_output("tone",seq,tone,n/2,1,0,0);
}
#endif
/* third step; we offset the noise vectors, overlay tone
masking. We then do a floor1-specific line fit. If we're
performing bitrate management, the line fit is performed
multiple times for up/down tweakage on demand. */
#if 0
{
float aotuv[psy_look->n];
#endif
_vp_offset_and_mix(psy_look,
noise,
tone,
1,
logmask,
mdct,
logmdct);
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("aotuvM1_L",seq,aotuv,psy_look->n,1,1,0);
else
_analysis_output("aotuvM1_R",seq,aotuv,psy_look->n,1,1,0);
}else{
_analysis_output("aotuvM1",seq,aotuv,psy_look->n,1,1,0);
}
}
#endif
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("mask1L",seq,logmask,n/2,1,0,0);
else
_analysis_output("mask1R",seq,logmask,n/2,1,0,0);
}else{
_analysis_output("mask1",seq,logmask,n/2,1,0,0);
}
#endif
/* this algorithm is hardwired to floor 1 for now; abort out if
we're *not* floor1. This won't happen unless someone has
broken the encode setup lib. Guard it anyway. */
if(ci->floor_type[info->floorsubmap[submap]]!=1)return(-1);
floor_posts[i][PACKETBLOBS/2]=
floor1_fit(vb,b->flr[info->floorsubmap[submap]],
logmdct,
logmask);
/* are we managing bitrate? If so, perform two more fits for
later rate tweaking (fits represent hi/lo) */
if(vorbis_bitrate_managed(vb) && floor_posts[i][PACKETBLOBS/2]){
/* higher rate by way of lower noise curve */
_vp_offset_and_mix(psy_look,
noise,
tone,
2,
logmask,
mdct,
logmdct);
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("mask2L",seq,logmask,n/2,1,0,0);
else
_analysis_output("mask2R",seq,logmask,n/2,1,0,0);
}else{
_analysis_output("mask2",seq,logmask,n/2,1,0,0);
}
#endif
floor_posts[i][PACKETBLOBS-1]=
floor1_fit(vb,b->flr[info->floorsubmap[submap]],
logmdct,
logmask);
/* lower rate by way of higher noise curve */
_vp_offset_and_mix(psy_look,
noise,
tone,
0,
logmask,
mdct,
logmdct);
#if 0
if(vi->channels==2){
if(i==0)
_analysis_output("mask0L",seq,logmask,n/2,1,0,0);
else
_analysis_output("mask0R",seq,logmask,n/2,1,0,0);
}else{
_analysis_output("mask0",seq,logmask,n/2,1,0,0);
}
#endif
floor_posts[i][0]=
floor1_fit(vb,b->flr[info->floorsubmap[submap]],
logmdct,
logmask);
/* we also interpolate a range of intermediate curves for
intermediate rates */
for(k=1;k<PACKETBLOBS/2;k++)
floor_posts[i][k]=
floor1_interpolate_fit(vb,b->flr[info->floorsubmap[submap]],
floor_posts[i][0],
floor_posts[i][PACKETBLOBS/2],
k*65536/(PACKETBLOBS/2));
for(k=PACKETBLOBS/2+1;k<PACKETBLOBS-1;k++)
floor_posts[i][k]=
floor1_interpolate_fit(vb,b->flr[info->floorsubmap[submap]],
floor_posts[i][PACKETBLOBS/2],
floor_posts[i][PACKETBLOBS-1],
(k-PACKETBLOBS/2)*65536/(PACKETBLOBS/2));
}
}
}
vbi->ampmax=global_ampmax;
/*
the next phases are performed once for vbr-only and PACKETBLOB
times for bitrate managed modes.
1) encode actual mode being used
2) encode the floor for each channel, compute coded mask curve/res
3) normalize and couple.
4) encode residue
5) save packet bytes to the packetblob vector
*/
/* iterate over the many masking curve fits we've created */
{
int **couple_bundle=alloca(sizeof(*couple_bundle)*vi->channels);
int *zerobundle=alloca(sizeof(*zerobundle)*vi->channels);
for(k=(vorbis_bitrate_managed(vb)?0:PACKETBLOBS/2);
k<=(vorbis_bitrate_managed(vb)?PACKETBLOBS-1:PACKETBLOBS/2);
k++){
oggpack_buffer *opb=vbi->packetblob[k];
/* start out our new packet blob with packet type and mode */
/* Encode the packet type */
oggpack_write(opb,0,1);
/* Encode the modenumber */
/* Encode frame mode, pre,post windowsize, then dispatch */
oggpack_write(opb,modenumber,b->modebits);
if(vb->W){
oggpack_write(opb,vb->lW,1);
oggpack_write(opb,vb->nW,1);
}
/* encode floor, compute masking curve, sep out residue */
for(i=0;i<vi->channels;i++){
int submap=info->chmuxlist[i];
int *ilogmask=iwork[i];
nonzero[i]=floor1_encode(opb,vb,b->flr[info->floorsubmap[submap]],
floor_posts[i][k],
ilogmask);
#if 0
{
char buf[80];
sprintf(buf,"maskI%c%d",i?'R':'L',k);
float work[n/2];
for(j=0;j<n/2;j++)
work[j]=FLOOR1_fromdB_LOOKUP[iwork[i][j]];
_analysis_output(buf,seq,work,n/2,1,1,0);
}
#endif
}
/* our iteration is now based on masking curve, not prequant and
coupling. Only one prequant/coupling step */
/* quantize/couple */
/* incomplete implementation that assumes the tree is all depth
one, or no tree at all */
_vp_couple_quantize_normalize(k,
&ci->psy_g_param,
psy_look,
info,
gmdct,
iwork,
nonzero,
ci->psy_g_param.sliding_lowpass[vb->W][k],
vi->channels);
#if 0
for(i=0;i<vi->channels;i++){
char buf[80];
sprintf(buf,"res%c%d",i?'R':'L',k);
float work[n/2];
for(j=0;j<n/2;j++)
work[j]=iwork[i][j];
_analysis_output(buf,seq,work,n/2,1,0,0);
}
#endif
/* classify and encode by submap */
for(i=0;i<info->submaps;i++){
int ch_in_bundle=0;
long **classifications;
int resnum=info->residuesubmap[i];
for(j=0;j<vi->channels;j++){
if(info->chmuxlist[j]==i){
zerobundle[ch_in_bundle]=0;
if(nonzero[j])zerobundle[ch_in_bundle]=1;
couple_bundle[ch_in_bundle++]=iwork[j];
}
}
classifications=_residue_P[ci->residue_type[resnum]]->
class(vb,b->residue[resnum],couple_bundle,zerobundle,ch_in_bundle);
ch_in_bundle=0;
for(j=0;j<vi->channels;j++)
if(info->chmuxlist[j]==i)
couple_bundle[ch_in_bundle++]=iwork[j];
_residue_P[ci->residue_type[resnum]]->
forward(opb,vb,b->residue[resnum],
couple_bundle,zerobundle,ch_in_bundle,classifications,i);
}
/* ok, done encoding. Next protopacket. */
}
}
#if 0
seq++;
total+=ci->blocksizes[vb->W]/4+ci->blocksizes[vb->nW]/4;
#endif
return(0);
}
static int mapping0_inverse(vorbis_block *vb,vorbis_info_mapping *l){
vorbis_dsp_state *vd=vb->vd;
vorbis_info *vi=vd->vi;
codec_setup_info *ci=vi->codec_setup;
private_state *b=vd->backend_state;
vorbis_info_mapping0 *info=(vorbis_info_mapping0 *)l;
int i,j;
long n=vb->pcmend=ci->blocksizes[vb->W];
float **pcmbundle=alloca(sizeof(*pcmbundle)*vi->channels);
int *zerobundle=alloca(sizeof(*zerobundle)*vi->channels);
int *nonzero =alloca(sizeof(*nonzero)*vi->channels);
void **floormemo=alloca(sizeof(*floormemo)*vi->channels);
/* recover the spectral envelope; store it in the PCM vector for now */
for(i=0;i<vi->channels;i++){
int submap=info->chmuxlist[i];
floormemo[i]=_floor_P[ci->floor_type[info->floorsubmap[submap]]]->
inverse1(vb,b->flr[info->floorsubmap[submap]]);
if(floormemo[i])
nonzero[i]=1;
else
nonzero[i]=0;
memset(vb->pcm[i],0,sizeof(*vb->pcm[i])*n/2);
}
/* channel coupling can 'dirty' the nonzero listing */
for(i=0;i<info->coupling_steps;i++){
if(nonzero[info->coupling_mag[i]] ||
nonzero[info->coupling_ang[i]]){
nonzero[info->coupling_mag[i]]=1;
nonzero[info->coupling_ang[i]]=1;
}
}
/* recover the residue into our working vectors */
for(i=0;i<info->submaps;i++){
int ch_in_bundle=0;
for(j=0;j<vi->channels;j++){
if(info->chmuxlist[j]==i){
if(nonzero[j])
zerobundle[ch_in_bundle]=1;
else
zerobundle[ch_in_bundle]=0;
pcmbundle[ch_in_bundle++]=vb->pcm[j];
}
}
_residue_P[ci->residue_type[info->residuesubmap[i]]]->
inverse(vb,b->residue[info->residuesubmap[i]],
pcmbundle,zerobundle,ch_in_bundle);
}
/* channel coupling */
for(i=info->coupling_steps-1;i>=0;i--){
float *pcmM=vb->pcm[info->coupling_mag[i]];
float *pcmA=vb->pcm[info->coupling_ang[i]];
for(j=0;j<n/2;j++){
float mag=pcmM[j];
float ang=pcmA[j];
if(mag>0)
if(ang>0){
pcmM[j]=mag;
pcmA[j]=mag-ang;
}else{
pcmA[j]=mag;
pcmM[j]=mag+ang;
}
else
if(ang>0){
pcmM[j]=mag;
pcmA[j]=mag+ang;
}else{
pcmA[j]=mag;
pcmM[j]=mag-ang;
}
}
}
/* compute and apply spectral envelope */
for(i=0;i<vi->channels;i++){
float *pcm=vb->pcm[i];
int submap=info->chmuxlist[i];
_floor_P[ci->floor_type[info->floorsubmap[submap]]]->
inverse2(vb,b->flr[info->floorsubmap[submap]],
floormemo[i],pcm);
}
/* transform the PCM data; takes PCM vector, vb; modifies PCM vector */
/* only MDCT right now.... */
for(i=0;i<vi->channels;i++){
float *pcm=vb->pcm[i];
mdct_backward(b->transform[vb->W][0],pcm,pcm);
}
/* all done! */
return(0);
}
/* export hooks */
const vorbis_func_mapping mapping0_exportbundle={
&mapping0_pack,
&mapping0_unpack,
&mapping0_free_info,
&mapping0_forward,
&mapping0_inverse
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: masking curve data for psychoacoustics
last mod: $Id: masking.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#ifndef _V_MASKING_H_
#define _V_MASKING_H_
/* more detailed ATH; the bass if flat to save stressing the floor
overly for only a bin or two of savings. */
#define MAX_ATH 88
static const float ATH[]={
/*15*/ -51, -52, -53, -54, -55, -56, -57, -58,
/*31*/ -59, -60, -61, -62, -63, -64, -65, -66,
/*63*/ -67, -68, -69, -70, -71, -72, -73, -74,
/*125*/ -75, -76, -77, -78, -80, -81, -82, -83,
/*250*/ -84, -85, -86, -87, -88, -88, -89, -89,
/*500*/ -90, -91, -91, -92, -93, -94, -95, -96,
/*1k*/ -96, -97, -98, -98, -99, -99,-100,-100,
/*2k*/ -101,-102,-103,-104,-106,-107,-107,-107,
/*4k*/ -107,-105,-103,-102,-101, -99, -98, -96,
/*8k*/ -95, -95, -96, -97, -96, -95, -93, -90,
/*16k*/ -80, -70, -50, -40, -30, -30, -30, -30
};
/* The tone masking curves from Ehmer's and Fielder's papers have been
replaced by an empirically collected data set. The previously
published values were, far too often, simply on crack. */
#define EHMER_OFFSET 16
#define EHMER_MAX 56
/* masking tones from -50 to 0dB, 62.5 through 16kHz at half octaves
test tones from -2 octaves to +5 octaves sampled at eighth octaves */
/* (Vorbis 0dB, the loudest possible tone, is assumed to be ~100dB SPL
for collection of these curves) */
static const float tonemasks[P_BANDS][6][EHMER_MAX]={
/* 62.5 Hz */
{{ -60, -60, -60, -60, -60, -60, -60, -60,
-60, -60, -60, -60, -62, -62, -65, -73,
-69, -68, -68, -67, -70, -70, -72, -74,
-75, -79, -79, -80, -83, -88, -93, -100,
-110, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -48, -48, -48, -48, -48, -48, -48, -48,
-48, -48, -48, -48, -48, -53, -61, -66,
-66, -68, -67, -70, -76, -76, -72, -73,
-75, -76, -78, -79, -83, -88, -93, -100,
-110, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -37, -37, -37, -37, -37, -37, -37, -37,
-38, -40, -42, -46, -48, -53, -55, -62,
-65, -58, -56, -56, -61, -60, -65, -67,
-69, -71, -77, -77, -78, -80, -82, -84,
-88, -93, -98, -106, -112, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -25, -25, -25, -25, -25, -25, -25, -25,
-25, -26, -27, -29, -32, -38, -48, -52,
-52, -50, -48, -48, -51, -52, -54, -60,
-67, -67, -66, -68, -69, -73, -73, -76,
-80, -81, -81, -85, -85, -86, -88, -93,
-100, -110, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -16, -16, -16, -16, -16, -16, -16, -16,
-17, -19, -20, -22, -26, -28, -31, -40,
-47, -39, -39, -40, -42, -43, -47, -51,
-57, -52, -55, -55, -60, -58, -62, -63,
-70, -67, -69, -72, -73, -77, -80, -82,
-83, -87, -90, -94, -98, -104, -115, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -8, -8, -8, -8, -8, -8, -8, -8,
-8, -8, -10, -11, -15, -19, -25, -30,
-34, -31, -30, -31, -29, -32, -35, -42,
-48, -42, -44, -46, -50, -50, -51, -52,
-59, -54, -55, -55, -58, -62, -63, -66,
-72, -73, -76, -75, -78, -80, -80, -81,
-84, -88, -90, -94, -98, -101, -106, -110}},
/* 88Hz */
{{ -66, -66, -66, -66, -66, -66, -66, -66,
-66, -66, -66, -66, -66, -67, -67, -67,
-76, -72, -71, -74, -76, -76, -75, -78,
-79, -79, -81, -83, -86, -89, -93, -97,
-100, -105, -110, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -47, -47, -47, -47, -47, -47, -47, -47,
-47, -47, -47, -48, -51, -55, -59, -66,
-66, -66, -67, -66, -68, -69, -70, -74,
-79, -77, -77, -78, -80, -81, -82, -84,
-86, -88, -91, -95, -100, -108, -116, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -36, -36, -36, -36, -36, -36, -36, -36,
-36, -37, -37, -41, -44, -48, -51, -58,
-62, -60, -57, -59, -59, -60, -63, -65,
-72, -71, -70, -72, -74, -77, -76, -78,
-81, -81, -80, -83, -86, -91, -96, -100,
-105, -110, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -28, -28, -28, -28, -28, -28, -28, -28,
-28, -30, -32, -32, -33, -35, -41, -49,
-50, -49, -47, -48, -48, -52, -51, -57,
-65, -61, -59, -61, -64, -69, -70, -74,
-77, -77, -78, -81, -84, -85, -87, -90,
-92, -96, -100, -107, -112, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -19, -19, -19, -19, -19, -19, -19, -19,
-20, -21, -23, -27, -30, -35, -36, -41,
-46, -44, -42, -40, -41, -41, -43, -48,
-55, -53, -52, -53, -56, -59, -58, -60,
-67, -66, -69, -71, -72, -75, -79, -81,
-84, -87, -90, -93, -97, -101, -107, -114,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -9, -9, -9, -9, -9, -9, -9, -9,
-11, -12, -12, -15, -16, -20, -23, -30,
-37, -34, -33, -34, -31, -32, -32, -38,
-47, -44, -41, -40, -47, -49, -46, -46,
-58, -50, -50, -54, -58, -62, -64, -67,
-67, -70, -72, -76, -79, -83, -87, -91,
-96, -100, -104, -110, -999, -999, -999, -999}},
/* 125 Hz */
{{ -62, -62, -62, -62, -62, -62, -62, -62,
-62, -62, -63, -64, -66, -67, -66, -68,
-75, -72, -76, -75, -76, -78, -79, -82,
-84, -85, -90, -94, -101, -110, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -59, -59, -59, -59, -59, -59, -59, -59,
-59, -59, -59, -60, -60, -61, -63, -66,
-71, -68, -70, -70, -71, -72, -72, -75,
-81, -78, -79, -82, -83, -86, -90, -97,
-103, -113, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -53, -53, -53, -53, -53, -53, -53, -53,
-53, -54, -55, -57, -56, -57, -55, -61,
-65, -60, -60, -62, -63, -63, -66, -68,
-74, -73, -75, -75, -78, -80, -80, -82,
-85, -90, -96, -101, -108, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -46, -46, -46, -46, -46, -46, -46, -46,
-46, -46, -47, -47, -47, -47, -48, -51,
-57, -51, -49, -50, -51, -53, -54, -59,
-66, -60, -62, -67, -67, -70, -72, -75,
-76, -78, -81, -85, -88, -94, -97, -104,
-112, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -36, -36, -36, -36, -36, -36, -36, -36,
-39, -41, -42, -42, -39, -38, -41, -43,
-52, -44, -40, -39, -37, -37, -40, -47,
-54, -50, -48, -50, -55, -61, -59, -62,
-66, -66, -66, -69, -69, -73, -74, -74,
-75, -77, -79, -82, -87, -91, -95, -100,
-108, -115, -999, -999, -999, -999, -999, -999},
{ -28, -26, -24, -22, -20, -20, -23, -29,
-30, -31, -28, -27, -28, -28, -28, -35,
-40, -33, -32, -29, -30, -30, -30, -37,
-45, -41, -37, -38, -45, -47, -47, -48,
-53, -49, -48, -50, -49, -49, -51, -52,
-58, -56, -57, -56, -60, -61, -62, -70,
-72, -74, -78, -83, -88, -93, -100, -106}},
/* 177 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -110, -105, -100, -95, -91, -87, -83,
-80, -78, -76, -78, -78, -81, -83, -85,
-86, -85, -86, -87, -90, -97, -107, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -110, -105, -100, -95, -90,
-85, -81, -77, -73, -70, -67, -67, -68,
-75, -73, -70, -69, -70, -72, -75, -79,
-84, -83, -84, -86, -88, -89, -89, -93,
-98, -105, -112, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-105, -100, -95, -90, -85, -80, -76, -71,
-68, -68, -65, -63, -63, -62, -62, -64,
-65, -64, -61, -62, -63, -64, -66, -68,
-73, -73, -74, -75, -76, -81, -83, -85,
-88, -89, -92, -95, -100, -108, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -80, -75, -71, -68, -65, -63, -62, -61,
-61, -61, -61, -59, -56, -57, -53, -50,
-58, -52, -50, -50, -52, -53, -54, -58,
-67, -63, -67, -68, -72, -75, -78, -80,
-81, -81, -82, -85, -89, -90, -93, -97,
-101, -107, -114, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{ -65, -61, -59, -57, -56, -55, -55, -56,
-56, -57, -55, -53, -52, -47, -44, -44,
-50, -44, -41, -39, -39, -42, -40, -46,
-51, -49, -50, -53, -54, -63, -60, -61,
-62, -66, -66, -66, -70, -73, -74, -75,
-76, -75, -79, -85, -89, -91, -96, -102,
-110, -999, -999, -999, -999, -999, -999, -999},
{ -52, -50, -49, -49, -48, -48, -48, -49,
-50, -50, -49, -46, -43, -39, -35, -33,
-38, -36, -32, -29, -32, -32, -32, -35,
-44, -39, -38, -38, -46, -50, -45, -46,
-53, -50, -50, -50, -54, -54, -53, -53,
-56, -57, -59, -66, -70, -72, -74, -79,
-83, -85, -90, -97, -114, -999, -999, -999}},
/* 250 Hz */
{{-999, -999, -999, -999, -999, -999, -110, -105,
-100, -95, -90, -86, -80, -75, -75, -79,
-80, -79, -80, -81, -82, -88, -95, -103,
-110, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -108, -103, -98, -93,
-88, -83, -79, -78, -75, -71, -67, -68,
-73, -73, -72, -73, -75, -77, -80, -82,
-88, -93, -100, -107, -114, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -110, -105, -101, -96, -90,
-86, -81, -77, -73, -69, -66, -61, -62,
-66, -64, -62, -65, -66, -70, -72, -76,
-81, -80, -84, -90, -95, -102, -110, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -107, -103, -97, -92, -88,
-83, -79, -74, -70, -66, -59, -53, -58,
-62, -55, -54, -54, -54, -58, -61, -62,
-72, -70, -72, -75, -78, -80, -81, -80,
-83, -83, -88, -93, -100, -107, -115, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -105, -100, -95, -90, -85,
-80, -75, -70, -66, -62, -56, -48, -44,
-48, -46, -46, -43, -46, -48, -48, -51,
-58, -58, -59, -60, -62, -62, -61, -61,
-65, -64, -65, -68, -70, -74, -75, -78,
-81, -86, -95, -110, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -105, -100, -95, -90, -85, -80,
-75, -70, -65, -61, -55, -49, -39, -33,
-40, -35, -32, -38, -40, -33, -35, -37,
-46, -41, -45, -44, -46, -42, -45, -46,
-52, -50, -50, -50, -54, -54, -55, -57,
-62, -64, -66, -68, -70, -76, -81, -90,
-100, -110, -999, -999, -999, -999, -999, -999}},
/* 354 hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-105, -98, -90, -85, -82, -83, -80, -78,
-84, -79, -80, -83, -87, -89, -91, -93,
-99, -106, -117, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-105, -98, -90, -85, -80, -75, -70, -68,
-74, -72, -74, -77, -80, -82, -85, -87,
-92, -89, -91, -95, -100, -106, -112, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-105, -98, -90, -83, -75, -71, -63, -64,
-67, -62, -64, -67, -70, -73, -77, -81,
-84, -83, -85, -89, -90, -93, -98, -104,
-109, -114, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-103, -96, -88, -81, -75, -68, -58, -54,
-56, -54, -56, -56, -58, -60, -63, -66,
-74, -69, -72, -72, -75, -74, -77, -81,
-81, -82, -84, -87, -93, -96, -99, -104,
-110, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -108, -102, -96,
-91, -85, -80, -74, -68, -60, -51, -46,
-48, -46, -43, -45, -47, -47, -49, -48,
-56, -53, -55, -58, -57, -63, -58, -60,
-66, -64, -67, -70, -70, -74, -77, -84,
-86, -89, -91, -93, -94, -101, -109, -118,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -108, -103, -98, -93, -88,
-83, -78, -73, -68, -60, -53, -44, -35,
-38, -38, -34, -34, -36, -40, -41, -44,
-51, -45, -46, -47, -46, -54, -50, -49,
-50, -50, -50, -51, -54, -57, -58, -60,
-66, -66, -66, -64, -65, -68, -77, -82,
-87, -95, -110, -999, -999, -999, -999, -999}},
/* 500 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-107, -102, -97, -92, -87, -83, -78, -75,
-82, -79, -83, -85, -89, -92, -95, -98,
-101, -105, -109, -113, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -106,
-100, -95, -90, -86, -81, -78, -74, -69,
-74, -74, -76, -79, -83, -84, -86, -89,
-92, -97, -93, -100, -103, -107, -110, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -106, -100,
-95, -90, -87, -83, -80, -75, -69, -60,
-66, -66, -68, -70, -74, -78, -79, -81,
-81, -83, -84, -87, -93, -96, -99, -103,
-107, -110, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -108, -103, -98,
-93, -89, -85, -82, -78, -71, -62, -55,
-58, -58, -54, -54, -55, -59, -61, -62,
-70, -66, -66, -67, -70, -72, -75, -78,
-84, -84, -84, -88, -91, -90, -95, -98,
-102, -103, -106, -110, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -108, -103, -98, -94,
-90, -87, -82, -79, -73, -67, -58, -47,
-50, -45, -41, -45, -48, -44, -44, -49,
-54, -51, -48, -47, -49, -50, -51, -57,
-58, -60, -63, -69, -70, -69, -71, -74,
-78, -82, -90, -95, -101, -105, -110, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -105, -101, -97, -93, -90,
-85, -80, -77, -72, -65, -56, -48, -37,
-40, -36, -34, -40, -50, -47, -38, -41,
-47, -38, -35, -39, -38, -43, -40, -45,
-50, -45, -44, -47, -50, -55, -48, -48,
-52, -66, -70, -76, -82, -90, -97, -105,
-110, -999, -999, -999, -999, -999, -999, -999}},
/* 707 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -108, -103, -98, -93, -86, -79, -76,
-83, -81, -85, -87, -89, -93, -98, -102,
-107, -112, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -108, -103, -98, -93, -86, -79, -71,
-77, -74, -77, -79, -81, -84, -85, -90,
-92, -93, -92, -98, -101, -108, -112, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-108, -103, -98, -93, -87, -78, -68, -65,
-66, -62, -65, -67, -70, -73, -75, -78,
-82, -82, -83, -84, -91, -93, -98, -102,
-106, -110, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-105, -100, -95, -90, -82, -74, -62, -57,
-58, -56, -51, -52, -52, -54, -54, -58,
-66, -59, -60, -63, -66, -69, -73, -79,
-83, -84, -80, -81, -81, -82, -88, -92,
-98, -105, -113, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -107,
-102, -97, -92, -84, -79, -69, -57, -47,
-52, -47, -44, -45, -50, -52, -42, -42,
-53, -43, -43, -48, -51, -56, -55, -52,
-57, -59, -61, -62, -67, -71, -78, -83,
-86, -94, -98, -103, -110, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -105, -100,
-95, -90, -84, -78, -70, -61, -51, -41,
-40, -38, -40, -46, -52, -51, -41, -40,
-46, -40, -38, -38, -41, -46, -41, -46,
-47, -43, -43, -45, -41, -45, -56, -67,
-68, -83, -87, -90, -95, -102, -107, -113,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 1000 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -109, -105, -101, -96, -91, -84, -77,
-82, -82, -85, -89, -94, -100, -106, -110,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -106, -103, -98, -92, -85, -80, -71,
-75, -72, -76, -80, -84, -86, -89, -93,
-100, -107, -113, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -107,
-104, -101, -97, -92, -88, -84, -80, -64,
-66, -63, -64, -66, -69, -73, -77, -83,
-83, -86, -91, -98, -104, -111, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -107,
-104, -101, -97, -92, -90, -84, -74, -57,
-58, -52, -55, -54, -50, -52, -50, -52,
-63, -62, -69, -76, -77, -78, -78, -79,
-82, -88, -94, -100, -106, -111, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -106, -102,
-98, -95, -90, -85, -83, -78, -70, -50,
-50, -41, -44, -49, -47, -50, -50, -44,
-55, -46, -47, -48, -48, -54, -49, -49,
-58, -62, -71, -81, -87, -92, -97, -102,
-108, -114, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -106, -102,
-98, -95, -90, -85, -83, -78, -70, -45,
-43, -41, -47, -50, -51, -50, -49, -45,
-47, -41, -44, -41, -39, -43, -38, -37,
-40, -41, -44, -50, -58, -65, -73, -79,
-85, -92, -97, -101, -105, -109, -113, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 1414 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -107, -100, -95, -87, -81,
-85, -83, -88, -93, -100, -107, -114, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -107, -101, -95, -88, -83, -76,
-73, -72, -79, -84, -90, -95, -100, -105,
-110, -115, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -104, -98, -92, -87, -81, -70,
-65, -62, -67, -71, -74, -80, -85, -91,
-95, -99, -103, -108, -111, -114, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -103, -97, -90, -85, -76, -60,
-56, -54, -60, -62, -61, -56, -63, -65,
-73, -74, -77, -75, -78, -81, -86, -87,
-88, -91, -94, -98, -103, -110, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -105,
-100, -97, -92, -86, -81, -79, -70, -57,
-51, -47, -51, -58, -60, -56, -53, -50,
-58, -52, -50, -50, -53, -55, -64, -69,
-71, -85, -82, -78, -81, -85, -95, -102,
-112, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -105,
-100, -97, -92, -85, -83, -79, -72, -49,
-40, -43, -43, -54, -56, -51, -50, -40,
-43, -38, -36, -35, -37, -38, -37, -44,
-54, -60, -57, -60, -70, -75, -84, -92,
-103, -112, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 2000 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -102, -95, -89, -82,
-83, -84, -90, -92, -99, -107, -113, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -107, -101, -95, -89, -83, -72,
-74, -78, -85, -88, -88, -90, -92, -98,
-105, -111, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -109, -103, -97, -93, -87, -81, -70,
-70, -67, -75, -73, -76, -79, -81, -83,
-88, -89, -97, -103, -110, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -107, -100, -94, -88, -83, -75, -63,
-59, -59, -63, -66, -60, -62, -67, -67,
-77, -76, -81, -88, -86, -92, -96, -102,
-109, -116, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -105, -98, -92, -86, -81, -73, -56,
-52, -47, -55, -60, -58, -52, -51, -45,
-49, -50, -53, -54, -61, -71, -70, -69,
-78, -79, -87, -90, -96, -104, -112, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -103, -96, -90, -86, -78, -70, -51,
-42, -47, -48, -55, -54, -54, -53, -42,
-35, -28, -33, -38, -37, -44, -47, -49,
-54, -63, -68, -78, -82, -89, -94, -99,
-104, -109, -114, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 2828 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -110, -100, -90, -79,
-85, -81, -82, -82, -89, -94, -99, -103,
-109, -115, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -105, -97, -85, -72,
-74, -70, -70, -70, -76, -85, -91, -93,
-97, -103, -109, -115, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -112, -93, -81, -68,
-62, -60, -60, -57, -63, -70, -77, -82,
-90, -93, -98, -104, -109, -113, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -113, -100, -93, -84, -63,
-58, -48, -53, -54, -52, -52, -57, -64,
-66, -76, -83, -81, -85, -85, -90, -95,
-98, -101, -103, -106, -108, -111, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -105, -95, -86, -74, -53,
-50, -38, -43, -49, -43, -42, -39, -39,
-46, -52, -57, -56, -72, -69, -74, -81,
-87, -92, -94, -97, -99, -102, -105, -108,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -108, -99, -90, -76, -66, -45,
-43, -41, -44, -47, -43, -47, -40, -30,
-31, -31, -39, -33, -40, -41, -43, -53,
-59, -70, -73, -77, -79, -82, -84, -87,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 4000 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -110, -91, -76,
-75, -85, -93, -98, -104, -110, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -110, -91, -70,
-70, -75, -86, -89, -94, -98, -101, -106,
-110, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -110, -95, -80, -60,
-65, -64, -74, -83, -88, -91, -95, -99,
-103, -107, -110, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -110, -95, -80, -58,
-55, -49, -66, -68, -71, -78, -78, -80,
-88, -85, -89, -97, -100, -105, -110, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -110, -95, -80, -53,
-52, -41, -59, -59, -49, -58, -56, -63,
-86, -79, -90, -93, -98, -103, -107, -112,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -97, -91, -73, -45,
-40, -33, -53, -61, -49, -54, -50, -50,
-60, -52, -67, -74, -81, -92, -96, -100,
-105, -110, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 5657 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -113, -106, -99, -92, -77,
-80, -88, -97, -106, -115, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -116, -109, -102, -95, -89, -74,
-72, -88, -87, -95, -102, -109, -116, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -116, -109, -102, -95, -89, -75,
-66, -74, -77, -78, -86, -87, -90, -96,
-105, -115, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -115, -108, -101, -94, -88, -66,
-56, -61, -70, -65, -78, -72, -83, -84,
-93, -98, -105, -110, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -110, -105, -95, -89, -82, -57,
-52, -52, -59, -56, -59, -58, -69, -67,
-88, -82, -82, -89, -94, -100, -108, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -110, -101, -96, -90, -83, -77, -54,
-43, -38, -50, -48, -52, -48, -42, -42,
-51, -52, -53, -59, -65, -71, -78, -85,
-95, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 8000 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -120, -105, -86, -68,
-78, -79, -90, -100, -110, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -120, -105, -86, -66,
-73, -77, -88, -96, -105, -115, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -120, -105, -92, -80, -61,
-64, -68, -80, -87, -92, -100, -110, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -120, -104, -91, -79, -52,
-60, -54, -64, -69, -77, -80, -82, -84,
-85, -87, -88, -90, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -118, -100, -87, -77, -49,
-50, -44, -58, -61, -61, -67, -65, -62,
-62, -62, -65, -68, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -115, -98, -84, -62, -49,
-44, -38, -46, -49, -49, -46, -39, -37,
-39, -40, -42, -43, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 11314 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -110, -88, -74,
-77, -82, -82, -85, -90, -94, -99, -104,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -110, -88, -66,
-70, -81, -80, -81, -84, -88, -91, -93,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -110, -88, -61,
-63, -70, -71, -74, -77, -80, -83, -85,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -110, -86, -62,
-63, -62, -62, -58, -52, -50, -50, -52,
-54, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -118, -108, -84, -53,
-50, -50, -50, -55, -47, -45, -40, -40,
-40, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -118, -100, -73, -43,
-37, -42, -43, -53, -38, -37, -35, -35,
-38, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}},
/* 16000 Hz */
{{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -100, -91, -84, -74,
-80, -80, -80, -80, -80, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -100, -91, -84, -74,
-68, -68, -68, -68, -68, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -100, -86, -78, -70,
-60, -45, -30, -21, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -100, -87, -78, -67,
-48, -38, -29, -21, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -100, -86, -69, -56,
-45, -35, -33, -29, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999},
{-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -110, -100, -83, -71, -48,
-27, -38, -37, -34, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999,
-999, -999, -999, -999, -999, -999, -999, -999}}
};
#endif

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Sources/libvorbis/lib/mdct.c Normal file
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@ -0,0 +1,563 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: normalized modified discrete cosine transform
power of two length transform only [64 <= n ]
last mod: $Id: mdct.c 16227 2009-07-08 06:58:46Z xiphmont $
Original algorithm adapted long ago from _The use of multirate filter
banks for coding of high quality digital audio_, by T. Sporer,
K. Brandenburg and B. Edler, collection of the European Signal
Processing Conference (EUSIPCO), Amsterdam, June 1992, Vol.1, pp
211-214
The below code implements an algorithm that no longer looks much like
that presented in the paper, but the basic structure remains if you
dig deep enough to see it.
This module DOES NOT INCLUDE code to generate/apply the window
function. Everybody has their own weird favorite including me... I
happen to like the properties of y=sin(.5PI*sin^2(x)), but others may
vehemently disagree.
********************************************************************/
/* this can also be run as an integer transform by uncommenting a
define in mdct.h; the integerization is a first pass and although
it's likely stable for Vorbis, the dynamic range is constrained and
roundoff isn't done (so it's noisy). Consider it functional, but
only a starting point. There's no point on a machine with an FPU */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "vorbis/codec.h"
#include "mdct.h"
#include "os.h"
#include "misc.h"
/* build lookups for trig functions; also pre-figure scaling and
some window function algebra. */
void mdct_init(mdct_lookup *lookup,int n){
int *bitrev=_ogg_malloc(sizeof(*bitrev)*(n/4));
DATA_TYPE *T=_ogg_malloc(sizeof(*T)*(n+n/4));
int i;
int n2=n>>1;
int log2n=lookup->log2n=rint(log((float)n)/log(2.f));
lookup->n=n;
lookup->trig=T;
lookup->bitrev=bitrev;
/* trig lookups... */
for(i=0;i<n/4;i++){
T[i*2]=FLOAT_CONV(cos((M_PI/n)*(4*i)));
T[i*2+1]=FLOAT_CONV(-sin((M_PI/n)*(4*i)));
T[n2+i*2]=FLOAT_CONV(cos((M_PI/(2*n))*(2*i+1)));
T[n2+i*2+1]=FLOAT_CONV(sin((M_PI/(2*n))*(2*i+1)));
}
for(i=0;i<n/8;i++){
T[n+i*2]=FLOAT_CONV(cos((M_PI/n)*(4*i+2))*.5);
T[n+i*2+1]=FLOAT_CONV(-sin((M_PI/n)*(4*i+2))*.5);
}
/* bitreverse lookup... */
{
int mask=(1<<(log2n-1))-1,i,j;
int msb=1<<(log2n-2);
for(i=0;i<n/8;i++){
int acc=0;
for(j=0;msb>>j;j++)
if((msb>>j)&i)acc|=1<<j;
bitrev[i*2]=((~acc)&mask)-1;
bitrev[i*2+1]=acc;
}
}
lookup->scale=FLOAT_CONV(4.f/n);
}
/* 8 point butterfly (in place, 4 register) */
STIN void mdct_butterfly_8(DATA_TYPE *x){
REG_TYPE r0 = x[6] + x[2];
REG_TYPE r1 = x[6] - x[2];
REG_TYPE r2 = x[4] + x[0];
REG_TYPE r3 = x[4] - x[0];
x[6] = r0 + r2;
x[4] = r0 - r2;
r0 = x[5] - x[1];
r2 = x[7] - x[3];
x[0] = r1 + r0;
x[2] = r1 - r0;
r0 = x[5] + x[1];
r1 = x[7] + x[3];
x[3] = r2 + r3;
x[1] = r2 - r3;
x[7] = r1 + r0;
x[5] = r1 - r0;
}
/* 16 point butterfly (in place, 4 register) */
STIN void mdct_butterfly_16(DATA_TYPE *x){
REG_TYPE r0 = x[1] - x[9];
REG_TYPE r1 = x[0] - x[8];
x[8] += x[0];
x[9] += x[1];
x[0] = MULT_NORM((r0 + r1) * cPI2_8);
x[1] = MULT_NORM((r0 - r1) * cPI2_8);
r0 = x[3] - x[11];
r1 = x[10] - x[2];
x[10] += x[2];
x[11] += x[3];
x[2] = r0;
x[3] = r1;
r0 = x[12] - x[4];
r1 = x[13] - x[5];
x[12] += x[4];
x[13] += x[5];
x[4] = MULT_NORM((r0 - r1) * cPI2_8);
x[5] = MULT_NORM((r0 + r1) * cPI2_8);
r0 = x[14] - x[6];
r1 = x[15] - x[7];
x[14] += x[6];
x[15] += x[7];
x[6] = r0;
x[7] = r1;
mdct_butterfly_8(x);
mdct_butterfly_8(x+8);
}
/* 32 point butterfly (in place, 4 register) */
STIN void mdct_butterfly_32(DATA_TYPE *x){
REG_TYPE r0 = x[30] - x[14];
REG_TYPE r1 = x[31] - x[15];
x[30] += x[14];
x[31] += x[15];
x[14] = r0;
x[15] = r1;
r0 = x[28] - x[12];
r1 = x[29] - x[13];
x[28] += x[12];
x[29] += x[13];
x[12] = MULT_NORM( r0 * cPI1_8 - r1 * cPI3_8 );
x[13] = MULT_NORM( r0 * cPI3_8 + r1 * cPI1_8 );
r0 = x[26] - x[10];
r1 = x[27] - x[11];
x[26] += x[10];
x[27] += x[11];
x[10] = MULT_NORM(( r0 - r1 ) * cPI2_8);
x[11] = MULT_NORM(( r0 + r1 ) * cPI2_8);
r0 = x[24] - x[8];
r1 = x[25] - x[9];
x[24] += x[8];
x[25] += x[9];
x[8] = MULT_NORM( r0 * cPI3_8 - r1 * cPI1_8 );
x[9] = MULT_NORM( r1 * cPI3_8 + r0 * cPI1_8 );
r0 = x[22] - x[6];
r1 = x[7] - x[23];
x[22] += x[6];
x[23] += x[7];
x[6] = r1;
x[7] = r0;
r0 = x[4] - x[20];
r1 = x[5] - x[21];
x[20] += x[4];
x[21] += x[5];
x[4] = MULT_NORM( r1 * cPI1_8 + r0 * cPI3_8 );
x[5] = MULT_NORM( r1 * cPI3_8 - r0 * cPI1_8 );
r0 = x[2] - x[18];
r1 = x[3] - x[19];
x[18] += x[2];
x[19] += x[3];
x[2] = MULT_NORM(( r1 + r0 ) * cPI2_8);
x[3] = MULT_NORM(( r1 - r0 ) * cPI2_8);
r0 = x[0] - x[16];
r1 = x[1] - x[17];
x[16] += x[0];
x[17] += x[1];
x[0] = MULT_NORM( r1 * cPI3_8 + r0 * cPI1_8 );
x[1] = MULT_NORM( r1 * cPI1_8 - r0 * cPI3_8 );
mdct_butterfly_16(x);
mdct_butterfly_16(x+16);
}
/* N point first stage butterfly (in place, 2 register) */
STIN void mdct_butterfly_first(DATA_TYPE *T,
DATA_TYPE *x,
int points){
DATA_TYPE *x1 = x + points - 8;
DATA_TYPE *x2 = x + (points>>1) - 8;
REG_TYPE r0;
REG_TYPE r1;
do{
r0 = x1[6] - x2[6];
r1 = x1[7] - x2[7];
x1[6] += x2[6];
x1[7] += x2[7];
x2[6] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[7] = MULT_NORM(r1 * T[0] - r0 * T[1]);
r0 = x1[4] - x2[4];
r1 = x1[5] - x2[5];
x1[4] += x2[4];
x1[5] += x2[5];
x2[4] = MULT_NORM(r1 * T[5] + r0 * T[4]);
x2[5] = MULT_NORM(r1 * T[4] - r0 * T[5]);
r0 = x1[2] - x2[2];
r1 = x1[3] - x2[3];
x1[2] += x2[2];
x1[3] += x2[3];
x2[2] = MULT_NORM(r1 * T[9] + r0 * T[8]);
x2[3] = MULT_NORM(r1 * T[8] - r0 * T[9]);
r0 = x1[0] - x2[0];
r1 = x1[1] - x2[1];
x1[0] += x2[0];
x1[1] += x2[1];
x2[0] = MULT_NORM(r1 * T[13] + r0 * T[12]);
x2[1] = MULT_NORM(r1 * T[12] - r0 * T[13]);
x1-=8;
x2-=8;
T+=16;
}while(x2>=x);
}
/* N/stage point generic N stage butterfly (in place, 2 register) */
STIN void mdct_butterfly_generic(DATA_TYPE *T,
DATA_TYPE *x,
int points,
int trigint){
DATA_TYPE *x1 = x + points - 8;
DATA_TYPE *x2 = x + (points>>1) - 8;
REG_TYPE r0;
REG_TYPE r1;
do{
r0 = x1[6] - x2[6];
r1 = x1[7] - x2[7];
x1[6] += x2[6];
x1[7] += x2[7];
x2[6] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[7] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
r0 = x1[4] - x2[4];
r1 = x1[5] - x2[5];
x1[4] += x2[4];
x1[5] += x2[5];
x2[4] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[5] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
r0 = x1[2] - x2[2];
r1 = x1[3] - x2[3];
x1[2] += x2[2];
x1[3] += x2[3];
x2[2] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[3] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
r0 = x1[0] - x2[0];
r1 = x1[1] - x2[1];
x1[0] += x2[0];
x1[1] += x2[1];
x2[0] = MULT_NORM(r1 * T[1] + r0 * T[0]);
x2[1] = MULT_NORM(r1 * T[0] - r0 * T[1]);
T+=trigint;
x1-=8;
x2-=8;
}while(x2>=x);
}
STIN void mdct_butterflies(mdct_lookup *init,
DATA_TYPE *x,
int points){
DATA_TYPE *T=init->trig;
int stages=init->log2n-5;
int i,j;
if(--stages>0){
mdct_butterfly_first(T,x,points);
}
for(i=1;--stages>0;i++){
for(j=0;j<(1<<i);j++)
mdct_butterfly_generic(T,x+(points>>i)*j,points>>i,4<<i);
}
for(j=0;j<points;j+=32)
mdct_butterfly_32(x+j);
}
void mdct_clear(mdct_lookup *l){
if(l){
if(l->trig)_ogg_free(l->trig);
if(l->bitrev)_ogg_free(l->bitrev);
memset(l,0,sizeof(*l));
}
}
STIN void mdct_bitreverse(mdct_lookup *init,
DATA_TYPE *x){
int n = init->n;
int *bit = init->bitrev;
DATA_TYPE *w0 = x;
DATA_TYPE *w1 = x = w0+(n>>1);
DATA_TYPE *T = init->trig+n;
do{
DATA_TYPE *x0 = x+bit[0];
DATA_TYPE *x1 = x+bit[1];
REG_TYPE r0 = x0[1] - x1[1];
REG_TYPE r1 = x0[0] + x1[0];
REG_TYPE r2 = MULT_NORM(r1 * T[0] + r0 * T[1]);
REG_TYPE r3 = MULT_NORM(r1 * T[1] - r0 * T[0]);
w1 -= 4;
r0 = HALVE(x0[1] + x1[1]);
r1 = HALVE(x0[0] - x1[0]);
w0[0] = r0 + r2;
w1[2] = r0 - r2;
w0[1] = r1 + r3;
w1[3] = r3 - r1;
x0 = x+bit[2];
x1 = x+bit[3];
r0 = x0[1] - x1[1];
r1 = x0[0] + x1[0];
r2 = MULT_NORM(r1 * T[2] + r0 * T[3]);
r3 = MULT_NORM(r1 * T[3] - r0 * T[2]);
r0 = HALVE(x0[1] + x1[1]);
r1 = HALVE(x0[0] - x1[0]);
w0[2] = r0 + r2;
w1[0] = r0 - r2;
w0[3] = r1 + r3;
w1[1] = r3 - r1;
T += 4;
bit += 4;
w0 += 4;
}while(w0<w1);
}
void mdct_backward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out){
int n=init->n;
int n2=n>>1;
int n4=n>>2;
/* rotate */
DATA_TYPE *iX = in+n2-7;
DATA_TYPE *oX = out+n2+n4;
DATA_TYPE *T = init->trig+n4;
do{
oX -= 4;
oX[0] = MULT_NORM(-iX[2] * T[3] - iX[0] * T[2]);
oX[1] = MULT_NORM (iX[0] * T[3] - iX[2] * T[2]);
oX[2] = MULT_NORM(-iX[6] * T[1] - iX[4] * T[0]);
oX[3] = MULT_NORM (iX[4] * T[1] - iX[6] * T[0]);
iX -= 8;
T += 4;
}while(iX>=in);
iX = in+n2-8;
oX = out+n2+n4;
T = init->trig+n4;
do{
T -= 4;
oX[0] = MULT_NORM (iX[4] * T[3] + iX[6] * T[2]);
oX[1] = MULT_NORM (iX[4] * T[2] - iX[6] * T[3]);
oX[2] = MULT_NORM (iX[0] * T[1] + iX[2] * T[0]);
oX[3] = MULT_NORM (iX[0] * T[0] - iX[2] * T[1]);
iX -= 8;
oX += 4;
}while(iX>=in);
mdct_butterflies(init,out+n2,n2);
mdct_bitreverse(init,out);
/* roatate + window */
{
DATA_TYPE *oX1=out+n2+n4;
DATA_TYPE *oX2=out+n2+n4;
DATA_TYPE *iX =out;
T =init->trig+n2;
do{
oX1-=4;
oX1[3] = MULT_NORM (iX[0] * T[1] - iX[1] * T[0]);
oX2[0] = -MULT_NORM (iX[0] * T[0] + iX[1] * T[1]);
oX1[2] = MULT_NORM (iX[2] * T[3] - iX[3] * T[2]);
oX2[1] = -MULT_NORM (iX[2] * T[2] + iX[3] * T[3]);
oX1[1] = MULT_NORM (iX[4] * T[5] - iX[5] * T[4]);
oX2[2] = -MULT_NORM (iX[4] * T[4] + iX[5] * T[5]);
oX1[0] = MULT_NORM (iX[6] * T[7] - iX[7] * T[6]);
oX2[3] = -MULT_NORM (iX[6] * T[6] + iX[7] * T[7]);
oX2+=4;
iX += 8;
T += 8;
}while(iX<oX1);
iX=out+n2+n4;
oX1=out+n4;
oX2=oX1;
do{
oX1-=4;
iX-=4;
oX2[0] = -(oX1[3] = iX[3]);
oX2[1] = -(oX1[2] = iX[2]);
oX2[2] = -(oX1[1] = iX[1]);
oX2[3] = -(oX1[0] = iX[0]);
oX2+=4;
}while(oX2<iX);
iX=out+n2+n4;
oX1=out+n2+n4;
oX2=out+n2;
do{
oX1-=4;
oX1[0]= iX[3];
oX1[1]= iX[2];
oX1[2]= iX[1];
oX1[3]= iX[0];
iX+=4;
}while(oX1>oX2);
}
}
void mdct_forward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out){
int n=init->n;
int n2=n>>1;
int n4=n>>2;
int n8=n>>3;
DATA_TYPE *w=alloca(n*sizeof(*w)); /* forward needs working space */
DATA_TYPE *w2=w+n2;
/* rotate */
/* window + rotate + step 1 */
REG_TYPE r0;
REG_TYPE r1;
DATA_TYPE *x0=in+n2+n4;
DATA_TYPE *x1=x0+1;
DATA_TYPE *T=init->trig+n2;
int i=0;
for(i=0;i<n8;i+=2){
x0 -=4;
T-=2;
r0= x0[2] + x1[0];
r1= x0[0] + x1[2];
w2[i]= MULT_NORM(r1*T[1] + r0*T[0]);
w2[i+1]= MULT_NORM(r1*T[0] - r0*T[1]);
x1 +=4;
}
x1=in+1;
for(;i<n2-n8;i+=2){
T-=2;
x0 -=4;
r0= x0[2] - x1[0];
r1= x0[0] - x1[2];
w2[i]= MULT_NORM(r1*T[1] + r0*T[0]);
w2[i+1]= MULT_NORM(r1*T[0] - r0*T[1]);
x1 +=4;
}
x0=in+n;
for(;i<n2;i+=2){
T-=2;
x0 -=4;
r0= -x0[2] - x1[0];
r1= -x0[0] - x1[2];
w2[i]= MULT_NORM(r1*T[1] + r0*T[0]);
w2[i+1]= MULT_NORM(r1*T[0] - r0*T[1]);
x1 +=4;
}
mdct_butterflies(init,w+n2,n2);
mdct_bitreverse(init,w);
/* roatate + window */
T=init->trig+n2;
x0=out+n2;
for(i=0;i<n4;i++){
x0--;
out[i] =MULT_NORM((w[0]*T[0]+w[1]*T[1])*init->scale);
x0[0] =MULT_NORM((w[0]*T[1]-w[1]*T[0])*init->scale);
w+=2;
T+=2;
}
}

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: modified discrete cosine transform prototypes
last mod: $Id: mdct.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#ifndef _OGG_mdct_H_
#define _OGG_mdct_H_
#include "vorbis/codec.h"
/*#define MDCT_INTEGERIZED <- be warned there could be some hurt left here*/
#ifdef MDCT_INTEGERIZED
#define DATA_TYPE int
#define REG_TYPE register int
#define TRIGBITS 14
#define cPI3_8 6270
#define cPI2_8 11585
#define cPI1_8 15137
#define FLOAT_CONV(x) ((int)((x)*(1<<TRIGBITS)+.5))
#define MULT_NORM(x) ((x)>>TRIGBITS)
#define HALVE(x) ((x)>>1)
#else
#define DATA_TYPE float
#define REG_TYPE float
#define cPI3_8 .38268343236508977175F
#define cPI2_8 .70710678118654752441F
#define cPI1_8 .92387953251128675613F
#define FLOAT_CONV(x) (x)
#define MULT_NORM(x) (x)
#define HALVE(x) ((x)*.5f)
#endif
typedef struct {
int n;
int log2n;
DATA_TYPE *trig;
int *bitrev;
DATA_TYPE scale;
} mdct_lookup;
extern void mdct_init(mdct_lookup *lookup,int n);
extern void mdct_clear(mdct_lookup *l);
extern void mdct_forward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out);
extern void mdct_backward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out);
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: miscellaneous prototypes
last mod: $Id: misc.h 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
#ifndef _V_RANDOM_H_
#define _V_RANDOM_H_
#include "vorbis/codec.h"
extern void *_vorbis_block_alloc(vorbis_block *vb,long bytes);
extern void _vorbis_block_ripcord(vorbis_block *vb);
extern int ov_ilog(ogg_uint32_t v);
#ifdef ANALYSIS
extern int analysis_noisy;
extern void _analysis_output(char *base,int i,float *v,int n,int bark,int dB,
ogg_int64_t off);
extern void _analysis_output_always(char *base,int i,float *v,int n,int bark,int dB,
ogg_int64_t off);
#endif
#ifdef DEBUG_MALLOC
#define _VDBG_GRAPHFILE "malloc.m"
#undef _VDBG_GRAPHFILE
extern void *_VDBG_malloc(void *ptr,long bytes,char *file,long line);
extern void _VDBG_free(void *ptr,char *file,long line);
#ifndef MISC_C
#undef _ogg_malloc
#undef _ogg_calloc
#undef _ogg_realloc
#undef _ogg_free
#define _ogg_malloc(x) _VDBG_malloc(NULL,(x),__FILE__,__LINE__)
#define _ogg_calloc(x,y) _VDBG_malloc(NULL,(x)*(y),__FILE__,__LINE__)
#define _ogg_realloc(x,y) _VDBG_malloc((x),(y),__FILE__,__LINE__)
#define _ogg_free(x) _VDBG_free((x),__FILE__,__LINE__)
#endif
#endif
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: key floor settings
last mod: $Id: floor_all.h 17050 2010-03-26 01:34:42Z xiphmont $
********************************************************************/
#include "vorbis/codec.h"
#include "backends.h"
#include "books/floor/floor_books.h"
static const static_codebook*const _floor_128x4_books[]={
&_huff_book_line_128x4_class0,
&_huff_book_line_128x4_0sub0,
&_huff_book_line_128x4_0sub1,
&_huff_book_line_128x4_0sub2,
&_huff_book_line_128x4_0sub3,
};
static const static_codebook*const _floor_256x4_books[]={
&_huff_book_line_256x4_class0,
&_huff_book_line_256x4_0sub0,
&_huff_book_line_256x4_0sub1,
&_huff_book_line_256x4_0sub2,
&_huff_book_line_256x4_0sub3,
};
static const static_codebook*const _floor_128x7_books[]={
&_huff_book_line_128x7_class0,
&_huff_book_line_128x7_class1,
&_huff_book_line_128x7_0sub1,
&_huff_book_line_128x7_0sub2,
&_huff_book_line_128x7_0sub3,
&_huff_book_line_128x7_1sub1,
&_huff_book_line_128x7_1sub2,
&_huff_book_line_128x7_1sub3,
};
static const static_codebook*const _floor_256x7_books[]={
&_huff_book_line_256x7_class0,
&_huff_book_line_256x7_class1,
&_huff_book_line_256x7_0sub1,
&_huff_book_line_256x7_0sub2,
&_huff_book_line_256x7_0sub3,
&_huff_book_line_256x7_1sub1,
&_huff_book_line_256x7_1sub2,
&_huff_book_line_256x7_1sub3,
};
static const static_codebook*const _floor_128x11_books[]={
&_huff_book_line_128x11_class1,
&_huff_book_line_128x11_class2,
&_huff_book_line_128x11_class3,
&_huff_book_line_128x11_0sub0,
&_huff_book_line_128x11_1sub0,
&_huff_book_line_128x11_1sub1,
&_huff_book_line_128x11_2sub1,
&_huff_book_line_128x11_2sub2,
&_huff_book_line_128x11_2sub3,
&_huff_book_line_128x11_3sub1,
&_huff_book_line_128x11_3sub2,
&_huff_book_line_128x11_3sub3,
};
static const static_codebook*const _floor_128x17_books[]={
&_huff_book_line_128x17_class1,
&_huff_book_line_128x17_class2,
&_huff_book_line_128x17_class3,
&_huff_book_line_128x17_0sub0,
&_huff_book_line_128x17_1sub0,
&_huff_book_line_128x17_1sub1,
&_huff_book_line_128x17_2sub1,
&_huff_book_line_128x17_2sub2,
&_huff_book_line_128x17_2sub3,
&_huff_book_line_128x17_3sub1,
&_huff_book_line_128x17_3sub2,
&_huff_book_line_128x17_3sub3,
};
static const static_codebook*const _floor_256x4low_books[]={
&_huff_book_line_256x4low_class0,
&_huff_book_line_256x4low_0sub0,
&_huff_book_line_256x4low_0sub1,
&_huff_book_line_256x4low_0sub2,
&_huff_book_line_256x4low_0sub3,
};
static const static_codebook*const _floor_1024x27_books[]={
&_huff_book_line_1024x27_class1,
&_huff_book_line_1024x27_class2,
&_huff_book_line_1024x27_class3,
&_huff_book_line_1024x27_class4,
&_huff_book_line_1024x27_0sub0,
&_huff_book_line_1024x27_1sub0,
&_huff_book_line_1024x27_1sub1,
&_huff_book_line_1024x27_2sub0,
&_huff_book_line_1024x27_2sub1,
&_huff_book_line_1024x27_3sub1,
&_huff_book_line_1024x27_3sub2,
&_huff_book_line_1024x27_3sub3,
&_huff_book_line_1024x27_4sub1,
&_huff_book_line_1024x27_4sub2,
&_huff_book_line_1024x27_4sub3,
};
static const static_codebook*const _floor_2048x27_books[]={
&_huff_book_line_2048x27_class1,
&_huff_book_line_2048x27_class2,
&_huff_book_line_2048x27_class3,
&_huff_book_line_2048x27_class4,
&_huff_book_line_2048x27_0sub0,
&_huff_book_line_2048x27_1sub0,
&_huff_book_line_2048x27_1sub1,
&_huff_book_line_2048x27_2sub0,
&_huff_book_line_2048x27_2sub1,
&_huff_book_line_2048x27_3sub1,
&_huff_book_line_2048x27_3sub2,
&_huff_book_line_2048x27_3sub3,
&_huff_book_line_2048x27_4sub1,
&_huff_book_line_2048x27_4sub2,
&_huff_book_line_2048x27_4sub3,
};
static const static_codebook*const _floor_512x17_books[]={
&_huff_book_line_512x17_class1,
&_huff_book_line_512x17_class2,
&_huff_book_line_512x17_class3,
&_huff_book_line_512x17_0sub0,
&_huff_book_line_512x17_1sub0,
&_huff_book_line_512x17_1sub1,
&_huff_book_line_512x17_2sub1,
&_huff_book_line_512x17_2sub2,
&_huff_book_line_512x17_2sub3,
&_huff_book_line_512x17_3sub1,
&_huff_book_line_512x17_3sub2,
&_huff_book_line_512x17_3sub3,
};
static const static_codebook*const _floor_Xx0_books[]={
0
};
static const static_codebook*const *const _floor_books[11]={
_floor_128x4_books,
_floor_256x4_books,
_floor_128x7_books,
_floor_256x7_books,
_floor_128x11_books,
_floor_128x17_books,
_floor_256x4low_books,
_floor_1024x27_books,
_floor_2048x27_books,
_floor_512x17_books,
_floor_Xx0_books,
};
static const vorbis_info_floor1 _floor[11]={
/* 0: 128 x 4 */
{
1,{0},{4},{2},{0},
{{1,2,3,4}},
4,{0,128, 33,8,16,70},
60,30,500, 1.,18., 128
},
/* 1: 256 x 4 */
{
1,{0},{4},{2},{0},
{{1,2,3,4}},
4,{0,256, 66,16,32,140},
60,30,500, 1.,18., 256
},
/* 2: 128 x 7 */
{
2,{0,1},{3,4},{2,2},{0,1},
{{-1,2,3,4},{-1,5,6,7}},
4,{0,128, 14,4,58, 2,8,28,90},
60,30,500, 1.,18., 128
},
/* 3: 256 x 7 */
{
2,{0,1},{3,4},{2,2},{0,1},
{{-1,2,3,4},{-1,5,6,7}},
4,{0,256, 28,8,116, 4,16,56,180},
60,30,500, 1.,18., 256
},
/* 4: 128 x 11 */
{
4,{0,1,2,3},{2,3,3,3},{0,1,2,2},{-1,0,1,2},
{{3},{4,5},{-1,6,7,8},{-1,9,10,11}},
2,{0,128, 8,33, 4,16,70, 2,6,12, 23,46,90},
60,30,500, 1,18., 128
},
/* 5: 128 x 17 */
{
6,{0,1,1,2,3,3},{2,3,3,3},{0,1,2,2},{-1,0,1,2},
{{3},{4,5},{-1,6,7,8},{-1,9,10,11}},
2,{0,128, 12,46, 4,8,16, 23,33,70, 2,6,10, 14,19,28, 39,58,90},
60,30,500, 1,18., 128
},
/* 6: 256 x 4 (low bitrate version) */
{
1,{0},{4},{2},{0},
{{1,2,3,4}},
4,{0,256, 66,16,32,140},
60,30,500, 1.,18., 256
},
/* 7: 1024 x 27 */
{
8,{0,1,2,2,3,3,4,4},{3,4,3,4,3},{0,1,1,2,2},{-1,0,1,2,3},
{{4},{5,6},{7,8},{-1,9,10,11},{-1,12,13,14}},
2,{0,1024, 93,23,372, 6,46,186,750, 14,33,65, 130,260,556,
3,10,18,28, 39,55,79,111, 158,220,312, 464,650,850},
60,30,500, 3,18., 1024
},
/* 8: 2048 x 27 */
{
8,{0,1,2,2,3,3,4,4},{3,4,3,4,3},{0,1,1,2,2},{-1,0,1,2,3},
{{4},{5,6},{7,8},{-1,9,10,11},{-1,12,13,14}},
2,{0,2048, 186,46,744, 12,92,372,1500, 28,66,130, 260,520,1112,
6,20,36,56, 78,110,158,222, 316,440,624, 928,1300,1700},
60,30,500, 3,18., 2048
},
/* 9: 512 x 17 */
{
6,{0,1,1,2,3,3},{2,3,3,3},{0,1,2,2},{-1,0,1,2},
{{3},{4,5},{-1,6,7,8},{-1,9,10,11}},
2,{0,512, 46,186, 16,33,65, 93,130,278,
7,23,39, 55,79,110, 156,232,360},
60,30,500, 1,18., 512
},
/* 10: X x 0 (LFE floor; edge posts only) */
{
0,{0}, {0},{0},{-1},
{{-1}},
2,{0,12},
60,30,500, 1.,18., 10
},
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: 11kHz settings
last mod: $Id: psych_11.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
static const double _psy_lowpass_11[3]={4.5,5.5,30.,};
static const att3 _psy_tone_masteratt_11[3]={
{{ 30, 25, 12}, 0, 0}, /* 0 */
{{ 30, 25, 12}, 0, 0}, /* 0 */
{{ 20, 0, -14}, 0, 0}, /* 0 */
};
static const vp_adjblock _vp_tonemask_adj_11[3]={
/* adjust for mode zero */
/* 63 125 250 500 1 2 4 8 16 */
{{-20,-20,-20,-20,-20,-16,-10, 0, 0, 0, 0,10, 2, 0,99,99,99}}, /* 0 */
{{-20,-20,-20,-20,-20,-16,-10, 0, 0, 0, 0, 5, 0, 0,99,99,99}}, /* 1 */
{{-20,-20,-20,-20,-20,-16,-10, 0, 0, 0, 0, 0, 0, 0,99,99,99}}, /* 2 */
};
static const noise3 _psy_noisebias_11[3]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
{{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 10, 10, 12, 12, 12, 99, 99, 99},
{-15,-15,-15,-15,-10,-10, -5, 0, 0, 4, 4, 5, 5, 10, 99, 99, 99},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
{{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 10, 10, 12, 12, 12, 99, 99, 99},
{-15,-15,-15,-15,-10,-10, -5, -5, -5, 0, 0, 0, 0, 0, 99, 99, 99},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 99, 99, 99},
{-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10, 99, 99, 99},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24, 99, 99, 99}}},
};
static const double _noise_thresh_11[3]={ .3,.5,.5 };

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: 16kHz settings
last mod: $Id: psych_16.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
/* stereo mode by base quality level */
static const adj_stereo _psy_stereo_modes_16[4]={
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 */
{{ 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
{ 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 4, 4},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
{{ 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
{ 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
{{ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
{ 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
};
static const double _psy_lowpass_16[4]={6.5,8,30.,99.};
static const att3 _psy_tone_masteratt_16[4]={
{{ 30, 25, 12}, 0, 0}, /* 0 */
{{ 25, 22, 12}, 0, 0}, /* 0 */
{{ 20, 12, 0}, 0, 0}, /* 0 */
{{ 15, 0, -14}, 0, 0}, /* 0 */
};
static const vp_adjblock _vp_tonemask_adj_16[4]={
/* adjust for mode zero */
/* 63 125 250 500 1 2 4 8 16 */
{{-20,-20,-20,-20,-20,-16,-10, 0, 0, 0, 0,10, 0, 0, 0, 0, 0}}, /* 0 */
{{-20,-20,-20,-20,-20,-16,-10, 0, 0, 0, 0,10, 0, 0, 0, 0, 0}}, /* 1 */
{{-20,-20,-20,-20,-20,-16,-10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, /* 2 */
{{-30,-30,-30,-30,-30,-26,-20,-10, -5, 0, 0, 0, 0, 0, 0, 0, 0}}, /* 2 */
};
static const noise3 _psy_noisebias_16_short[4]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
{{{-15,-15,-15,-15,-15,-10,-10,-5, 4, 10, 10, 10, 10, 12, 12, 14, 20},
{-15,-15,-15,-15,-15,-10,-10, -5, 0, 0, 4, 5, 5, 6, 8, 8, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
{{{-15,-15,-15,-15,-15,-10,-10,-5, 4, 6, 6, 6, 6, 8, 10, 12, 20},
{-15,-15,-15,-15,-15,-15,-15,-10, -5, -5, -5, 4, 5, 6, 8, 8, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10,-10,-10,-10,-10,-10,-10,-10,-10}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 5, 8, 12},
{-20,-20,-20,-20,-16,-12,-20,-14,-10,-10, -8, 0, 0, 0, 0, 2, 5},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5, 0, 0, 0, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10,-10,-10, -6},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
};
static const noise3 _psy_noisebias_16_impulse[4]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
{{{-15,-15,-15,-15,-15,-10,-10,-5, 4, 10, 10, 10, 10, 12, 12, 14, 20},
{-15,-15,-15,-15,-15,-10,-10, -5, 0, 0, 4, 5, 5, 6, 8, 8, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
{{{-15,-15,-15,-15,-15,-10,-10,-5, 4, 4, 4, 4, 5, 5, 6, 8, 15},
{-15,-15,-15,-15,-15,-15,-15,-10, -5, -5, -5, 0, 0, 0, 0, 4, 10},
{-30,-30,-30,-30,-30,-24,-20,-14,-10,-10,-10,-10,-10,-10,-10,-10,-10}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 4, 10},
{-20,-20,-20,-20,-16,-12,-20,-14,-10,-10,-10,-10,-10,-10,-10, -7, -5},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5, 0, 0, 0, 6},
{-30,-30,-30,-30,-26,-22,-20,-18,-18,-18,-20,-20,-20,-20,-20,-20,-16},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
};
static const noise3 _psy_noisebias_16[4]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
{{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 6, 8, 8, 10, 10, 10, 14, 20},
{-10,-10,-10,-10,-10, -5, -2, -2, 0, 0, 0, 4, 5, 6, 8, 8, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
{{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 6, 6, 6, 6, 8, 10, 12, 20},
{-15,-15,-15,-15,-15,-10, -5, -5, 0, 0, 0, 4, 5, 6, 8, 8, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 5, 8, 12},
{-20,-20,-20,-20,-16,-12,-20,-10, -5, -5, 0, 0, 0, 0, 0, 2, 5},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5, 0, 0, 0, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10,-10,-10, -6},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
};
static const noiseguard _psy_noiseguards_16[4]={
{10,10,-1},
{10,10,-1},
{20,20,-1},
{20,20,-1},
};
static const double _noise_thresh_16[4]={ .3,.5,.5,.5 };
static const int _noise_start_16[3]={ 256,256,9999 };
static const int _noise_part_16[4]={ 8,8,8,8 };
static const int _psy_ath_floater_16[4]={
-100,-100,-100,-105,
};
static const int _psy_ath_abs_16[4]={
-130,-130,-130,-140,
};

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Sources/libvorbis/lib/modes/psych_44.h Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: key psychoacoustic settings for 44.1/48kHz
last mod: $Id: psych_44.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
/* preecho trigger settings *****************************************/
static const vorbis_info_psy_global _psy_global_44[5]={
{8, /* lines per eighth octave */
{20.f,14.f,12.f,12.f,12.f,12.f,12.f},
{-60.f,-30.f,-40.f,-40.f,-40.f,-40.f,-40.f}, 2,-75.f,
-6.f,
{99.},{{99.},{99.}},{0},{0},{{0.},{0.}}
},
{8, /* lines per eighth octave */
{14.f,10.f,10.f,10.f,10.f,10.f,10.f},
{-40.f,-30.f,-25.f,-25.f,-25.f,-25.f,-25.f}, 2,-80.f,
-6.f,
{99.},{{99.},{99.}},{0},{0},{{0.},{0.}}
},
{8, /* lines per eighth octave */
{12.f,10.f,10.f,10.f,10.f,10.f,10.f},
{-20.f,-20.f,-15.f,-15.f,-15.f,-15.f,-15.f}, 0,-80.f,
-6.f,
{99.},{{99.},{99.}},{0},{0},{{0.},{0.}}
},
{8, /* lines per eighth octave */
{10.f,8.f,8.f,8.f,8.f,8.f,8.f},
{-20.f,-15.f,-12.f,-12.f,-12.f,-12.f,-12.f}, 0,-80.f,
-6.f,
{99.},{{99.},{99.}},{0},{0},{{0.},{0.}}
},
{8, /* lines per eighth octave */
{10.f,6.f,6.f,6.f,6.f,6.f,6.f},
{-15.f,-15.f,-12.f,-12.f,-12.f,-12.f,-12.f}, 0,-85.f,
-6.f,
{99.},{{99.},{99.}},{0},{0},{{0.},{0.}}
},
};
/* noise compander lookups * low, mid, high quality ****************/
static const compandblock _psy_compand_44[6]={
/* sub-mode Z short */
{{
0, 1, 2, 3, 4, 5, 6, 7, /* 7dB */
8, 9,10,11,12,13,14, 15, /* 15dB */
16,17,18,19,20,21,22, 23, /* 23dB */
24,25,26,27,28,29,30, 31, /* 31dB */
32,33,34,35,36,37,38, 39, /* 39dB */
}},
/* mode_Z nominal short */
{{
0, 1, 2, 3, 4, 5, 6, 6, /* 7dB */
7, 7, 7, 7, 6, 6, 6, 7, /* 15dB */
7, 8, 9,10,11,12,13, 14, /* 23dB */
15,16,17,17,17,18,18, 19, /* 31dB */
19,19,20,21,22,23,24, 25, /* 39dB */
}},
/* mode A short */
{{
0, 1, 2, 3, 4, 5, 5, 5, /* 7dB */
6, 6, 6, 5, 4, 4, 4, 4, /* 15dB */
4, 4, 5, 5, 5, 6, 6, 6, /* 23dB */
7, 7, 7, 8, 8, 8, 9, 10, /* 31dB */
11,12,13,14,15,16,17, 18, /* 39dB */
}},
/* sub-mode Z long */
{{
0, 1, 2, 3, 4, 5, 6, 7, /* 7dB */
8, 9,10,11,12,13,14, 15, /* 15dB */
16,17,18,19,20,21,22, 23, /* 23dB */
24,25,26,27,28,29,30, 31, /* 31dB */
32,33,34,35,36,37,38, 39, /* 39dB */
}},
/* mode_Z nominal long */
{{
0, 1, 2, 3, 4, 5, 6, 7, /* 7dB */
8, 9,10,11,12,12,13, 13, /* 15dB */
13,14,14,14,15,15,15, 15, /* 23dB */
16,16,17,17,17,18,18, 19, /* 31dB */
19,19,20,21,22,23,24, 25, /* 39dB */
}},
/* mode A long */
{{
0, 1, 2, 3, 4, 5, 6, 7, /* 7dB */
8, 8, 7, 6, 5, 4, 4, 4, /* 15dB */
4, 4, 5, 5, 5, 6, 6, 6, /* 23dB */
7, 7, 7, 8, 8, 8, 9, 10, /* 31dB */
11,12,13,14,15,16,17, 18, /* 39dB */
}}
};
/* tonal masking curve level adjustments *************************/
static const vp_adjblock _vp_tonemask_adj_longblock[12]={
/* 63 125 250 500 1 2 4 8 16 */
{{ -3, -8,-13,-15,-10,-10,-10,-10,-10,-10,-10, 0, 0, 0, 0, 0, 0}}, /* -1 */
/* {{-15,-15,-15,-15,-10, -8, -4, -2, 0, 0, 0, 10, 0, 0, 0, 0, 0}}, 0 */
{{ -4,-10,-14,-16,-15,-14,-13,-12,-12,-12,-11, -1, -1, -1, -1, -1, 0}}, /* 0 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 5, 0, 0, 0, 0, 0}}, 1 */
{{ -6,-12,-14,-16,-15,-15,-14,-13,-13,-12,-12, -2, -2, -1, -1, -1, 0}}, /* 1 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 2 */
{{-12,-13,-14,-16,-16,-16,-15,-14,-13,-12,-12, -6, -3, -1, -1, -1, 0}}, /* 2 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 3 */
{{-15,-15,-15,-16,-16,-16,-16,-14,-13,-13,-13,-10, -4, -2, -1, -1, 0}}, /* 3 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, *//* 4 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-13,-11, -7 -3, -1, -1 , 0}}, /* 4 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 5 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-13,-11, -7 -3, -1, -1 , 0}}, /* 5 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 6 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -8, -4, -2, -2, 0}}, /* 6 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 7 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 7 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 8 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 8 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 9 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 9 */
/* {{-15,-15,-15,-15,-15,-12,-10, -8, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 10 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 10 */
};
static const vp_adjblock _vp_tonemask_adj_otherblock[12]={
/* 63 125 250 500 1 2 4 8 16 */
{{ -3, -8,-13,-15,-10,-10, -9, -9, -9, -9, -9, 1, 1, 1, 1, 1, 1}}, /* -1 */
/* {{-20,-20,-20,-20,-14,-12,-10, -8, -4, 0, 0, 10, 0, 0, 0, 0, 0}}, 0 */
{{ -4,-10,-14,-16,-14,-13,-12,-12,-11,-11,-10, 0, 0, 0, 0, 0, 0}}, /* 0 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 5, 0, 0, 0, 0, 0}}, 1 */
{{ -6,-12,-14,-16,-15,-15,-14,-13,-13,-12,-12, -2, -2, -1, 0, 0, 0}}, /* 1 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 2 */
{{-12,-13,-14,-16,-16,-16,-15,-14,-13,-12,-12, -5, -2, -1, 0, 0, 0}}, /* 2 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 3 */
{{-15,-15,-15,-16,-16,-16,-16,-14,-13,-13,-13,-10, -4, -2, 0, 0, 0}}, /* 3 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 4 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-13,-11, -7 -3, -1, -1 , 0}}, /* 4 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 5 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-13,-11, -7 -3, -1, -1 , 0}}, /* 5 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 6 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -8, -4, -2, -2, 0}}, /* 6 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 7 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 7 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 8 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 8 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 9 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 9 */
/* {{-20,-20,-20,-20,-20,-18,-16,-14,-10, 0, 0, 0, 0, 0, 0, 0, 0}}, 10 */
{{-16,-16,-16,-16,-16,-16,-16,-15,-14,-14,-14,-12, -9, -4, -2, -2, 0}}, /* 10 */
};
/* noise bias (transition block) */
static const noise3 _psy_noisebias_trans[12]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
/* -1 */
{{{-10,-10,-10,-10,-10, -4, 0, 0, 4, 8, 8, 8, 8, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-20,-16, -8, -6, -6, -2, 2, 2, 3, 6, 6, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -4, -2}}},
/* 0
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 5, 8, 10},
{-30,-30,-30,-30,-26,-22,-20,-14, -8, -4, 0, 0, 0, 0, 2, 4, 10},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -6, -6, -6, -4, -4, -4, -2}}},*/
{{{-15,-15,-15,-15,-15,-12, -6, -4, 0, 2, 4, 4, 5, 5, 5, 8, 10},
{-30,-30,-30,-30,-26,-22,-20,-14, -8, -4, 0, 0, 0, 0, 2, 3, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -6, -6, -6, -4, -4, -4, -2}}},
/* 1
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 5, 8, 10},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -2, -2, -2, -2, 0, 2, 8},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -8, -8, -8, -8, -6, -6, -6, -4}}},*/
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 5, 8, 10},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -2, -2, -2, -2, 0, 1, 4},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -8, -8, -8, -8, -6, -6, -6, -4}}},
/* 2
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 2, 2, 4, 4, 5, 6, 10},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -2, -2, -2, -2, 0, 2, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}}, */
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 2, 2, 4, 4, 5, 6, 10},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -3, -3, -3, -2, -1, 0, 3},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10, -8, -8, -7, -4}}},
/* 3
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 2, 2, 4, 4, 4, 5, 8},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -3, -3, -3, -3, -1, 1, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},*/
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 2, 2, 4, 4, 4, 5, 8},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -3, -3, -3, -3, -2, 0, 2},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},
/* 4
{{{-20,-20,-20,-20,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -3, -3, -3, -3, -1, 1, 5},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},*/
{{{-20,-20,-20,-20,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -3, -3, -3, -3, -2, -1, 1},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},
/* 5
{{{-24,-24,-24,-24,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-32,-32,-32,-32,-28,-24,-22,-16,-12, -6, -4, -4, -4, -4, -2, -1, 2},
{-34,-34,-34,-34,-30,-24,-24,-18,-14,-12,-12,-12,-12,-10,-10, -9, -5}}}, */
{{{-24,-24,-24,-24,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-32,-32,-32,-32,-28,-24,-22,-16,-12, -6, -4, -4, -4, -4, -3, -1, 0},
{-34,-34,-34,-34,-30,-24,-24,-18,-14,-12,-12,-12,-12,-10,-10, -9, -5}}},
/* 6
{{{-24,-24,-24,-24,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-32,-32,-32,-32,-28,-24,-24,-18,-14, -8, -6, -6, -6, -6, -4, -2, 1},
{-34,-34,-34,-34,-30,-26,-24,-18,-17,-15,-15,-15,-15,-13,-13,-12, -8}}},*/
{{{-24,-24,-24,-24,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-32,-32,-32,-32,-28,-24,-24,-18,-14, -8, -6, -6, -6, -6, -5, -2, 0},
{-34,-34,-34,-34,-30,-26,-26,-24,-22,-19,-19,-19,-19,-18,-17,-16,-12}}},
/* 7
{{{-24,-24,-24,-24,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-32,-32,-32,-32,-28,-24,-24,-18,-14,-12,-10, -8, -8, -8, -6, -4, 0},
{-34,-34,-34,-34,-30,-26,-26,-24,-22,-19,-19,-19,-19,-18,-17,-16,-12}}},*/
{{{-24,-24,-24,-24,-20,-18,-14, -8, -1, 1, 1, 1, 2, 3, 3, 4, 7},
{-32,-32,-32,-32,-28,-24,-24,-24,-18,-14,-12,-10,-10,-10, -8, -6, -2},
{-34,-34,-34,-34,-30,-26,-26,-26,-24,-24,-24,-24,-24,-24,-24,-20,-16}}},
/* 8
{{{-24,-24,-24,-24,-22,-20,-15,-10, -8, -2, 0, 0, 0, 1, 2, 3, 7},
{-36,-36,-36,-36,-30,-30,-30,-24,-18,-14,-12,-10,-10,-10, -8, -6, -2},
{-36,-36,-36,-36,-34,-30,-28,-26,-24,-24,-24,-24,-24,-24,-24,-20,-16}}},*/
{{{-24,-24,-24,-24,-22,-20,-15,-10, -8, -2, 0, 0, 0, 1, 2, 3, 7},
{-36,-36,-36,-36,-30,-30,-30,-24,-20,-16,-16,-16,-16,-14,-12,-10, -7},
{-36,-36,-36,-36,-34,-30,-28,-26,-24,-30,-30,-30,-30,-30,-30,-24,-20}}},
/* 9
{{{-28,-28,-28,-28,-28,-28,-28,-20,-14, -8, -4, -4, -4, -4, -4, -2, 2},
{-36,-36,-36,-36,-34,-32,-32,-28,-20,-16,-16,-16,-16,-14,-12,-10, -7},
{-40,-40,-40,-40,-40,-40,-40,-32,-30,-30,-30,-30,-30,-30,-30,-24,-20}}},*/
{{{-28,-28,-28,-28,-28,-28,-28,-20,-14, -8, -4, -4, -4, -4, -4, -2, 2},
{-38,-38,-38,-38,-36,-34,-34,-30,-24,-20,-20,-20,-20,-18,-16,-12,-10},
{-40,-40,-40,-40,-40,-40,-40,-38,-35,-35,-35,-35,-35,-35,-35,-35,-30}}},
/* 10 */
{{{-30,-30,-30,-30,-30,-30,-30,-28,-20,-14,-14,-14,-14,-14,-14,-12,-10},
{-40,-40,-40,-40,-40,-40,-40,-40,-35,-30,-30,-30,-30,-30,-30,-30,-20},
{-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40}}},
};
/* noise bias (long block) */
static const noise3 _psy_noisebias_long[12]={
/*63 125 250 500 1k 2k 4k 8k 16k*/
/* -1 */
{{{-10,-10,-10,-10,-10, -4, 0, 0, 0, 6, 6, 6, 6, 10, 10, 12, 20},
{-20,-20,-20,-20,-20,-20,-10, -2, 0, 0, 0, 0, 0, 2, 4, 6, 15},
{-20,-20,-20,-20,-20,-20,-20,-10, -6, -6, -6, -6, -6, -4, -4, -4, -2}}},
/* 0 */
/* {{{-10,-10,-10,-10,-10,-10, -8, 2, 2, 2, 4, 4, 5, 5, 5, 8, 10},
{-20,-20,-20,-20,-20,-20,-20,-14, -6, 0, 0, 0, 0, 0, 2, 4, 10},
{-20,-20,-20,-20,-20,-20,-20,-14, -8, -6, -6, -6, -6, -4, -4, -4, -2}}},*/
{{{-10,-10,-10,-10,-10,-10, -8, 2, 2, 2, 4, 4, 5, 5, 5, 8, 10},
{-20,-20,-20,-20,-20,-20,-20,-14, -6, 0, 0, 0, 0, 0, 2, 3, 6},
{-20,-20,-20,-20,-20,-20,-20,-14, -8, -6, -6, -6, -6, -4, -4, -4, -2}}},
/* 1 */
/* {{{-10,-10,-10,-10,-10,-10, -8, -4, 0, 2, 4, 4, 5, 5, 5, 8, 10},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -2, -2, -2, -2, 0, 2, 8},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -8, -8, -8, -8, -6, -6, -6, -4}}},*/
{{{-10,-10,-10,-10,-10,-10, -8, -4, 0, 2, 4, 4, 5, 5, 5, 8, 10},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -2, -2, -2, -2, 0, 1, 4},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -8, -8, -8, -8, -6, -6, -6, -4}}},
/* 2 */
/* {{{-10,-10,-10,-10,-10,-10,-10, -8, 0, 2, 2, 2, 4, 4, 5, 6, 10},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -2, -2, -2, -2, 0, 2, 6},
{-20,-20,-20,-20,-20,-20,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},*/
{{{-10,-10,-10,-10,-10,-10,-10, -8, 0, 2, 2, 2, 4, 4, 5, 6, 10},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -3, -3, -3, -2, -1, 0, 3},
{-20,-20,-20,-20,-20,-20,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},
/* 3 */
/* {{{-10,-10,-10,-10,-10,-10,-10, -8, 0, 2, 2, 2, 4, 4, 4, 5, 8},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -3, -3, -3, -3, -1, 1, 6},
{-20,-20,-20,-20,-20,-20,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},*/
{{{-10,-10,-10,-10,-10,-10,-10, -8, 0, 2, 2, 2, 4, 4, 4, 5, 8},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -3, -3, -3, -3, -2, 0, 2},
{-20,-20,-20,-20,-20,-20,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -5}}},
/* 4 */
/* {{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 1, 1, 1, 2, 3, 3, 4, 7},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -3, -3, -3, -3, -1, 1, 5},
{-20,-20,-20,-20,-20,-20,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -4}}},*/
{{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 1, 1, 1, 2, 3, 3, 4, 7},
{-20,-20,-20,-20,-20,-20,-20,-14,-10, -4, -3, -3, -3, -3, -2, -1, 1},
{-20,-20,-20,-20,-20,-20,-20,-14,-10,-10,-10,-10,-10, -8, -8, -8, -7}}},
/* 5 */
/* {{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 1, 1, 1, 2, 3, 3, 4, 7},
{-22,-22,-22,-22,-22,-22,-22,-16,-12, -6, -4, -4, -4, -4, -2, -1, 2},
{-24,-24,-24,-24,-24,-24,-24,-18,-14,-12,-12,-12,-12,-10,-10, -9, -5}}},*/
{{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 1, 1, 1, 2, 3, 3, 4, 7},
{-22,-22,-22,-22,-22,-22,-22,-16,-12, -6, -4, -4, -4, -4, -3, -1, 0},
{-24,-24,-24,-24,-24,-24,-24,-18,-14,-12,-12,-12,-12,-10,-10, -9, -8}}},
/* 6 */
/* {{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 1, 1, 1, 2, 3, 3, 4, 7},
{-24,-24,-24,-24,-24,-24,-24,-18,-14, -8, -6, -6, -6, -6, -4, -2, 1},
{-26,-26,-26,-26,-26,-26,-26,-18,-16,-15,-15,-15,-15,-13,-13,-12, -8}}},*/
{{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 1, 1, 1, 2, 3, 3, 4, 7},
{-24,-24,-24,-24,-24,-24,-24,-18,-14, -8, -6, -6, -6, -6, -5, -2, 0},
{-26,-26,-26,-26,-26,-26,-26,-18,-16,-15,-15,-15,-15,-13,-13,-12,-10}}},
/* 7 */
{{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 1, 1, 1, 2, 3, 3, 4, 7},
{-24,-24,-24,-24,-24,-24,-24,-18,-14,-10, -8, -8, -8, -8, -6, -4, 0},
{-26,-26,-26,-26,-26,-26,-26,-22,-20,-19,-19,-19,-19,-18,-17,-16,-12}}},
/* 8 */
{{{-15,-15,-15,-15,-15,-15,-15,-10, -4, 0, 0, 0, 0, 1, 2, 3, 7},
{-26,-26,-26,-26,-26,-26,-26,-20,-16,-12,-10,-10,-10,-10, -8, -6, -2},
{-28,-28,-28,-28,-28,-28,-28,-26,-24,-24,-24,-24,-24,-24,-24,-20,-16}}},
/* 9 */
{{{-22,-22,-22,-22,-22,-22,-22,-18,-14, -8, -4, -4, -4, -4, -4, -2, 2},
{-26,-26,-26,-26,-26,-26,-26,-22,-18,-16,-16,-16,-16,-14,-12,-10, -7},
{-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-24,-20}}},
/* 10 */
{{{-24,-24,-24,-24,-24,-24,-24,-24,-24,-18,-14,-14,-14,-14,-14,-12,-10},
{-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-20},
{-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40}}},
};
/* noise bias (impulse block) */
static const noise3 _psy_noisebias_impulse[12]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
/* -1 */
{{{-10,-10,-10,-10,-10, -4, 0, 0, 4, 8, 8, 8, 8, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-20,-16, -8, -6, -6, -2, 2, 2, 3, 6, 6, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -4, -2}}},
/* 0 */
/* {{{-10,-10,-10,-10,-10, -4, 0, 0, 4, 4, 8, 8, 8, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-22,-20,-14, -6, -2, 0, 0, 0, 0, 2, 4, 10},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -4, -2}}},*/
{{{-10,-10,-10,-10,-10, -4, 0, 0, 4, 4, 8, 8, 8, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-22,-20,-14, -6, -2, 0, 0, 0, 0, 2, 3, 6},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -4, -2}}},
/* 1 */
{{{-12,-12,-12,-12,-12, -8, -6, -4, 0, 4, 4, 4, 4, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -4, -4, -2, -2, -2, -2, 2},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -8,-10,-10, -8, -8, -8, -6, -4}}},
/* 2 */
{{{-14,-14,-14,-14,-14,-10, -8, -6, -2, 2, 2, 2, 2, 8, 10, 10, 16},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -6, -6, -4, -4, -4, -2, 0},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10,-10,-10, -8, -4}}},
/* 3 */
{{{-14,-14,-14,-14,-14,-10, -8, -6, -2, 2, 2, 2, 2, 6, 8, 8, 14},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -6, -6, -4, -4, -4, -2, 0},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10,-10,-10, -8, -4}}},
/* 4 */
{{{-16,-16,-16,-16,-16,-12,-10, -6, -2, 0, 0, 0, 0, 4, 6, 6, 12},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -6, -6, -4, -4, -4, -2, 0},
{-30,-30,-30,-30,-26,-22,-20,-14,-10,-10,-10,-10,-10,-10,-10, -8, -4}}},
/* 5 */
{{{-20,-20,-20,-20,-20,-18,-14,-10, -4, 0, 0, 0, 0, 4, 4, 6, 11},
{-32,-32,-32,-32,-28,-24,-22,-16,-10, -6, -8, -8, -6, -6, -6, -4, -2},
{-34,-34,-34,-34,-30,-26,-24,-18,-14,-12,-12,-12,-12,-12,-10, -9, -5}}},
/* 6
{{{-20,-20,-20,-20,-20,-18,-14,-10, -4, 0, 0, 0, 0, 4, 4, 6, 11},
{-34,-34,-34,-34,-30,-30,-24,-20,-12,-12,-14,-14,-10, -9, -8, -6, -4},
{-34,-34,-34,-34,-34,-30,-26,-20,-16,-15,-15,-15,-15,-15,-13,-12, -8}}},*/
{{{-20,-20,-20,-20,-20,-18,-14,-10, -4, 0, 0, 0, 0, 4, 4, 6, 11},
{-34,-34,-34,-34,-30,-30,-30,-24,-16,-16,-16,-16,-16,-16,-14,-14,-12},
{-36,-36,-36,-36,-36,-34,-28,-24,-20,-20,-20,-20,-20,-20,-20,-18,-16}}},
/* 7 */
/* {{{-22,-22,-22,-22,-22,-20,-14,-10, -6, 0, 0, 0, 0, 4, 4, 6, 11},
{-34,-34,-34,-34,-30,-30,-24,-20,-14,-14,-16,-16,-14,-12,-10,-10,-10},
{-34,-34,-34,-34,-32,-32,-30,-24,-20,-19,-19,-19,-19,-19,-17,-16,-12}}},*/
{{{-22,-22,-22,-22,-22,-20,-14,-10, -6, 0, 0, 0, 0, 4, 4, 6, 11},
{-34,-34,-34,-34,-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-24,-22},
{-40,-40,-40,-40,-40,-40,-40,-32,-30,-30,-30,-30,-30,-30,-30,-30,-24}}},
/* 8 */
/* {{{-24,-24,-24,-24,-24,-22,-14,-10, -6, -1, -1, -1, -1, 3, 3, 5, 10},
{-34,-34,-34,-34,-30,-30,-30,-24,-20,-20,-20,-20,-20,-18,-16,-16,-14},
{-36,-36,-36,-36,-36,-34,-28,-24,-24,-24,-24,-24,-24,-24,-24,-20,-16}}},*/
{{{-24,-24,-24,-24,-24,-22,-14,-10, -6, -1, -1, -1, -1, 3, 3, 5, 10},
{-34,-34,-34,-34,-34,-32,-32,-30,-26,-26,-26,-26,-26,-26,-26,-26,-24},
{-40,-40,-40,-40,-40,-40,-40,-32,-30,-30,-30,-30,-30,-30,-30,-30,-24}}},
/* 9 */
/* {{{-28,-28,-28,-28,-28,-28,-28,-20,-14, -8, -4, -4, -4, -4, -4, -2, 2},
{-36,-36,-36,-36,-34,-32,-32,-30,-26,-26,-26,-26,-26,-22,-20,-20,-18},
{-40,-40,-40,-40,-40,-40,-40,-32,-30,-30,-30,-30,-30,-30,-30,-24,-20}}},*/
{{{-28,-28,-28,-28,-28,-28,-28,-20,-14, -8, -4, -4, -4, -4, -4, -2, 2},
{-36,-36,-36,-36,-34,-32,-32,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26},
{-40,-40,-40,-40,-40,-40,-40,-32,-30,-30,-30,-30,-30,-30,-30,-24,-20}}},
/* 10 */
{{{-30,-30,-30,-30,-30,-26,-24,-24,-24,-20,-16,-16,-16,-16,-16,-14,-12},
{-40,-40,-40,-40,-40,-40,-40,-40,-35,-30,-30,-30,-30,-30,-30,-30,-26},
{-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40}}},
};
/* noise bias (padding block) */
static const noise3 _psy_noisebias_padding[12]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
/* -1 */
{{{-10,-10,-10,-10,-10, -4, 0, 0, 4, 8, 8, 8, 8, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-20,-16, -8, -6, -6, -2, 2, 2, 3, 6, 6, 15},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -4, -2}}},
/* 0 */
{{{-10,-10,-10,-10,-10, -4, 0, 0, 4, 8, 8, 8, 8, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -2, 2, 3, 6, 6, 8, 10},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, -4, -4, -4, -4, -2, 0, 2}}},
/* 1 */
{{{-12,-12,-12,-12,-12, -8, -6, -4, 0, 4, 4, 4, 4, 10, 12, 14, 20},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, 0, 0, 0, 2, 2, 4, 8},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -6, -6, -6, -6, -4, -2, 0}}},
/* 2 */
/* {{{-14,-14,-14,-14,-14,-10, -8, -6, -2, 2, 2, 2, 2, 8, 10, 10, 16},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -4, 0, 0, 0, 2, 2, 4, 8},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -8, -8, -8, -8, -8, -6, -4, -2}}},*/
{{{-14,-14,-14,-14,-14,-10, -8, -6, -2, 2, 2, 2, 2, 8, 10, 10, 16},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -1, -1, -1, 0, 0, 2, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -8, -8, -8, -8, -8, -6, -4, -2}}},
/* 3 */
{{{-14,-14,-14,-14,-14,-10, -8, -6, -2, 2, 2, 2, 2, 6, 8, 8, 14},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -1, -1, -1, 0, 0, 2, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -8, -8, -8, -8, -8, -6, -4, -2}}},
/* 4 */
{{{-16,-16,-16,-16,-16,-12,-10, -6, -2, 0, 0, 0, 0, 4, 6, 6, 12},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -6, -1, -1, -1, -1, 0, 2, 6},
{-30,-30,-30,-30,-26,-22,-20,-14,-10, -8, -8, -8, -8, -8, -6, -4, -2}}},
/* 5 */
{{{-20,-20,-20,-20,-20,-18,-14,-10, -4, 0, 0, 0, 0, 4, 6, 6, 12},
{-32,-32,-32,-32,-28,-24,-22,-16,-12, -6, -3, -3, -3, -3, -2, 0, 4},
{-34,-34,-34,-34,-30,-26,-24,-18,-14,-10,-10,-10,-10,-10, -8, -5, -3}}},
/* 6 */
{{{-20,-20,-20,-20,-20,-18,-14,-10, -4, 0, 0, 0, 0, 4, 6, 6, 12},
{-34,-34,-34,-34,-30,-30,-24,-20,-14, -8, -4, -4, -4, -4, -3, -1, 4},
{-34,-34,-34,-34,-34,-30,-26,-20,-16,-13,-13,-13,-13,-13,-11, -8, -6}}},
/* 7 */
{{{-20,-20,-20,-20,-20,-18,-14,-10, -4, 0, 0, 0, 0, 4, 6, 6, 12},
{-34,-34,-34,-34,-30,-30,-30,-24,-16,-10, -8, -6, -6, -6, -5, -3, 1},
{-34,-34,-34,-34,-32,-32,-28,-22,-18,-16,-16,-16,-16,-16,-14,-12,-10}}},
/* 8 */
{{{-22,-22,-22,-22,-22,-20,-14,-10, -4, 0, 0, 0, 0, 3, 5, 5, 11},
{-34,-34,-34,-34,-30,-30,-30,-24,-16,-12,-10, -8, -8, -8, -7, -5, -2},
{-36,-36,-36,-36,-36,-34,-28,-22,-20,-20,-20,-20,-20,-20,-20,-16,-14}}},
/* 9 */
{{{-28,-28,-28,-28,-28,-28,-28,-20,-14, -8, -2, -2, -2, -2, 0, 2, 6},
{-36,-36,-36,-36,-34,-32,-32,-24,-16,-12,-12,-12,-12,-12,-10, -8, -5},
{-40,-40,-40,-40,-40,-40,-40,-32,-26,-24,-24,-24,-24,-24,-24,-20,-18}}},
/* 10 */
{{{-30,-30,-30,-30,-30,-26,-24,-24,-24,-20,-12,-12,-12,-12,-12,-10, -8},
{-40,-40,-40,-40,-40,-40,-40,-40,-35,-30,-25,-25,-25,-25,-25,-25,-15},
{-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40}}},
};
static const noiseguard _psy_noiseguards_44[4]={
{3,3,15},
{3,3,15},
{10,10,100},
{10,10,100},
};
static const int _psy_tone_suppress[12]={
-20,-20,-20,-20,-20,-24,-30,-40,-40,-45,-45,-45,
};
static const int _psy_tone_0dB[12]={
90,90,95,95,95,95,105,105,105,105,105,105,
};
static const int _psy_noise_suppress[12]={
-20,-20,-24,-24,-24,-24,-30,-40,-40,-45,-45,-45,
};
static const vorbis_info_psy _psy_info_template={
/* blockflag */
-1,
/* ath_adjatt, ath_maxatt */
-140.,-140.,
/* tonemask att boost/decay,suppr,curves */
{0.f,0.f,0.f}, 0.,0., -40.f, {0.},
/*noisemaskp,supp, low/high window, low/hi guard, minimum */
1, -0.f, .5f, .5f, 0,0,0,
/* noiseoffset*3, noisecompand, max_curve_dB */
{{-1},{-1},{-1}},{-1},105.f,
/* noise normalization - noise_p, start, partition, thresh. */
0,-1,-1,0.,
};
/* ath ****************/
static const int _psy_ath_floater[12]={
-100,-100,-100,-100,-100,-100,-105,-105,-105,-105,-110,-120,
};
static const int _psy_ath_abs[12]={
-130,-130,-130,-130,-140,-140,-140,-140,-140,-140,-140,-150,
};
/* stereo setup. These don't map directly to quality level, there's
an additional indirection as several of the below may be used in a
single bitmanaged stream
****************/
/* various stereo possibilities */
/* stereo mode by base quality level */
static const adj_stereo _psy_stereo_modes_44[12]={
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 -1 */
{{ 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 0, 0, 0, 0},
{ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 4, 3},
{ 1, 2, 3, 4, 4, 4, 4, 4, 4, 5, 6, 7, 8, 8, 8},
{ 12,12.5, 13,13.5, 14,14.5, 15, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0 */
{{ 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 0, 0, 0, 0, 0},
{ 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3},
{ 1, 2, 3, 4, 4, 5, 6, 6, 6, 6, 6, 8, 8, 8, 8},
{ 12,12.5, 13,13.5, 14,14.5, 15, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 */
{{ 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, 0, 0, 0, 0},
{ 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3},
{ 1, 2, 3, 4, 4, 5, 6, 6, 6, 6, 6, 8, 8, 8, 8},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 2 */
{{ 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 0, 0, 0, 0, 0},
{ 8, 8, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 1},
{ 3, 4, 4, 5, 5, 6, 6, 6, 6, 6, 6, 8, 8, 8, 8},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 3 */
{{ 2, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0},
{ 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1},
{ 4, 4, 5, 6, 6, 6, 6, 6, 8, 8, 10, 10, 10, 10, 10},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 4 */
{{ 2, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 0},
{ 6, 6, 6, 8, 8, 8, 8, 8, 8, 8, 10, 10, 10, 10, 10},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5 */
{{ 2, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0},
{ 6, 7, 8, 8, 8, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 6 */
{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 3, 3, 3, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 8, 8, 8, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 7 */
{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 3, 3, 3, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 8, 8, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 8 */
{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 8, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 9 */
{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 10 */
{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
};
/* tone master attenuation by base quality mode and bitrate tweak */
static const att3 _psy_tone_masteratt_44[12]={
{{ 35, 21, 9}, 0, 0}, /* -1 */
{{ 30, 20, 8}, -2, 1.25}, /* 0 */
/* {{ 25, 14, 4}, 0, 0}, *//* 1 */
{{ 25, 12, 2}, 0, 0}, /* 1 */
/* {{ 20, 10, -2}, 0, 0}, *//* 2 */
{{ 20, 9, -3}, 0, 0}, /* 2 */
{{ 20, 9, -4}, 0, 0}, /* 3 */
{{ 20, 9, -4}, 0, 0}, /* 4 */
{{ 20, 6, -6}, 0, 0}, /* 5 */
{{ 20, 3, -10}, 0, 0}, /* 6 */
{{ 18, 1, -14}, 0, 0}, /* 7 */
{{ 18, 0, -16}, 0, 0}, /* 8 */
{{ 18, -2, -16}, 0, 0}, /* 9 */
{{ 12, -2, -20}, 0, 0}, /* 10 */
};
/* lowpass by mode **************/
static const double _psy_lowpass_44[12]={
/* 15.1,15.8,16.5,17.9,20.5,48.,999.,999.,999.,999.,999. */
13.9,15.1,15.8,16.5,17.2,18.9,20.1,48.,999.,999.,999.,999.
};
/* noise normalization **********/
static const int _noise_start_short_44[11]={
/* 16,16,16,16,32,32,9999,9999,9999,9999 */
32,16,16,16,32,9999,9999,9999,9999,9999,9999
};
static const int _noise_start_long_44[11]={
/* 128,128,128,256,512,512,9999,9999,9999,9999 */
256,128,128,256,512,9999,9999,9999,9999,9999,9999
};
static const int _noise_part_short_44[11]={
8,8,8,8,8,8,8,8,8,8,8
};
static const int _noise_part_long_44[11]={
32,32,32,32,32,32,32,32,32,32,32
};
static const double _noise_thresh_44[11]={
/* .2,.2,.3,.4,.5,.5,9999.,9999.,9999.,9999., */
.2,.2,.2,.4,.6,9999.,9999.,9999.,9999.,9999.,9999.,
};
static const double _noise_thresh_5only[2]={
.5,.5,
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: 8kHz psychoacoustic settings
last mod: $Id: psych_8.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
static const att3 _psy_tone_masteratt_8[3]={
{{ 32, 25, 12}, 0, 0}, /* 0 */
{{ 30, 25, 12}, 0, 0}, /* 0 */
{{ 20, 0, -14}, 0, 0}, /* 0 */
};
static const vp_adjblock _vp_tonemask_adj_8[3]={
/* adjust for mode zero */
/* 63 125 250 500 1 2 4 8 16 */
{{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */
{{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */
{{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0, 0, 0, 0,99,99,99}}, /* 1 */
};
static const noise3 _psy_noisebias_8[3]={
/* 63 125 250 500 1k 2k 4k 8k 16k*/
{{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 8, 8, 8, 10, 10, 99, 99, 99},
{-10,-10,-10,-10, -5, -5, -5, 0, 0, 4, 4, 4, 4, 4, 99, 99, 99},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
{{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 8, 8, 8, 10, 10, 99, 99, 99},
{-10,-10,-10,-10,-10,-10, -5, -5, -5, 0, 0, 0, 0, 0, 99, 99, 99},
{-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
{{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 99, 99, 99},
{-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10, 99, 99, 99},
{-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24, 99, 99, 99}}},
};
/* stereo mode by base quality level */
static const adj_stereo _psy_stereo_modes_8[3]={
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 */
{{ 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
{ 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
{{ 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
{ 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
{{ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
};
static const noiseguard _psy_noiseguards_8[2]={
{10,10,-1},
{10,10,-1},
};
static const compandblock _psy_compand_8[2]={
{{
0, 1, 2, 3, 4, 5, 6, 7, /* 7dB */
8, 8, 9, 9,10,10,11, 11, /* 15dB */
12,12,13,13,14,14,15, 15, /* 23dB */
16,16,17,17,17,18,18, 19, /* 31dB */
19,19,20,21,22,23,24, 25, /* 39dB */
}},
{{
0, 1, 2, 3, 4, 5, 6, 6, /* 7dB */
7, 7, 6, 6, 5, 5, 4, 4, /* 15dB */
3, 3, 3, 4, 5, 6, 7, 8, /* 23dB */
9,10,11,12,13,14,15, 16, /* 31dB */
17,18,19,20,21,22,23, 24, /* 39dB */
}},
};
static const double _psy_lowpass_8[3]={3.,4.,4.};
static const int _noise_start_8[2]={
64,64,
};
static const int _noise_part_8[2]={
8,8,
};
static const int _psy_ath_floater_8[3]={
-100,-100,-105,
};
static const int _psy_ath_abs_8[3]={
-130,-130,-140,
};

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/********************************************************************
* *
* This FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel residue templates 16/22kHz
last mod: $Id: residue_16.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
/***** residue backends *********************************************/
static const static_bookblock _resbook_16s_0={
{
{0},
{0,0,&_16c0_s_p1_0},
{0},
{0,0,&_16c0_s_p3_0},
{0,0,&_16c0_s_p4_0},
{0,0,&_16c0_s_p5_0},
{0,0,&_16c0_s_p6_0},
{&_16c0_s_p7_0,&_16c0_s_p7_1},
{&_16c0_s_p8_0,&_16c0_s_p8_1},
{&_16c0_s_p9_0,&_16c0_s_p9_1,&_16c0_s_p9_2}
}
};
static const static_bookblock _resbook_16s_1={
{
{0},
{0,0,&_16c1_s_p1_0},
{0},
{0,0,&_16c1_s_p3_0},
{0,0,&_16c1_s_p4_0},
{0,0,&_16c1_s_p5_0},
{0,0,&_16c1_s_p6_0},
{&_16c1_s_p7_0,&_16c1_s_p7_1},
{&_16c1_s_p8_0,&_16c1_s_p8_1},
{&_16c1_s_p9_0,&_16c1_s_p9_1,&_16c1_s_p9_2}
}
};
static const static_bookblock _resbook_16s_2={
{
{0},
{0,0,&_16c2_s_p1_0},
{0,0,&_16c2_s_p2_0},
{0,0,&_16c2_s_p3_0},
{0,0,&_16c2_s_p4_0},
{&_16c2_s_p5_0,&_16c2_s_p5_1},
{&_16c2_s_p6_0,&_16c2_s_p6_1},
{&_16c2_s_p7_0,&_16c2_s_p7_1},
{&_16c2_s_p8_0,&_16c2_s_p8_1},
{&_16c2_s_p9_0,&_16c2_s_p9_1,&_16c2_s_p9_2}
}
};
static const vorbis_residue_template _res_16s_0[]={
{2,0,32, &_residue_44_mid,
&_huff_book__16c0_s_single,&_huff_book__16c0_s_single,
&_resbook_16s_0,&_resbook_16s_0},
};
static const vorbis_residue_template _res_16s_1[]={
{2,0,32, &_residue_44_mid,
&_huff_book__16c1_s_short,&_huff_book__16c1_s_short,
&_resbook_16s_1,&_resbook_16s_1},
{2,0,32, &_residue_44_mid,
&_huff_book__16c1_s_long,&_huff_book__16c1_s_long,
&_resbook_16s_1,&_resbook_16s_1}
};
static const vorbis_residue_template _res_16s_2[]={
{2,0,32, &_residue_44_high,
&_huff_book__16c2_s_short,&_huff_book__16c2_s_short,
&_resbook_16s_2,&_resbook_16s_2},
{2,0,32, &_residue_44_high,
&_huff_book__16c2_s_long,&_huff_book__16c2_s_long,
&_resbook_16s_2,&_resbook_16s_2}
};
static const vorbis_mapping_template _mapres_template_16_stereo[3]={
{ _map_nominal, _res_16s_0 }, /* 0 */
{ _map_nominal, _res_16s_1 }, /* 1 */
{ _map_nominal, _res_16s_2 }, /* 2 */
};
static const static_bookblock _resbook_16u_0={
{
{0},
{0,0,&_16u0__p1_0},
{0,0,&_16u0__p2_0},
{0,0,&_16u0__p3_0},
{0,0,&_16u0__p4_0},
{0,0,&_16u0__p5_0},
{&_16u0__p6_0,&_16u0__p6_1},
{&_16u0__p7_0,&_16u0__p7_1,&_16u0__p7_2}
}
};
static const static_bookblock _resbook_16u_1={
{
{0},
{0,0,&_16u1__p1_0},
{0,0,&_16u1__p2_0},
{0,0,&_16u1__p3_0},
{0,0,&_16u1__p4_0},
{0,0,&_16u1__p5_0},
{0,0,&_16u1__p6_0},
{&_16u1__p7_0,&_16u1__p7_1},
{&_16u1__p8_0,&_16u1__p8_1},
{&_16u1__p9_0,&_16u1__p9_1,&_16u1__p9_2}
}
};
static const static_bookblock _resbook_16u_2={
{
{0},
{0,0,&_16u2_p1_0},
{0,0,&_16u2_p2_0},
{0,0,&_16u2_p3_0},
{0,0,&_16u2_p4_0},
{&_16u2_p5_0,&_16u2_p5_1},
{&_16u2_p6_0,&_16u2_p6_1},
{&_16u2_p7_0,&_16u2_p7_1},
{&_16u2_p8_0,&_16u2_p8_1},
{&_16u2_p9_0,&_16u2_p9_1,&_16u2_p9_2}
}
};
static const vorbis_residue_template _res_16u_0[]={
{1,0,32, &_residue_44_low_un,
&_huff_book__16u0__single,&_huff_book__16u0__single,
&_resbook_16u_0,&_resbook_16u_0},
};
static const vorbis_residue_template _res_16u_1[]={
{1,0,32, &_residue_44_mid_un,
&_huff_book__16u1__short,&_huff_book__16u1__short,
&_resbook_16u_1,&_resbook_16u_1},
{1,0,32, &_residue_44_mid_un,
&_huff_book__16u1__long,&_huff_book__16u1__long,
&_resbook_16u_1,&_resbook_16u_1}
};
static const vorbis_residue_template _res_16u_2[]={
{1,0,32, &_residue_44_hi_un,
&_huff_book__16u2__short,&_huff_book__16u2__short,
&_resbook_16u_2,&_resbook_16u_2},
{1,0,32, &_residue_44_hi_un,
&_huff_book__16u2__long,&_huff_book__16u2__long,
&_resbook_16u_2,&_resbook_16u_2}
};
static const vorbis_mapping_template _mapres_template_16_uncoupled[3]={
{ _map_nominal_u, _res_16u_0 }, /* 0 */
{ _map_nominal_u, _res_16u_1 }, /* 1 */
{ _map_nominal_u, _res_16u_2 }, /* 2 */
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel residue templates for 32/44.1/48kHz
last mod: $Id: residue_44.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
#include "vorbis/codec.h"
#include "backends.h"
#include "books/coupled/res_books_stereo.h"
/***** residue backends *********************************************/
static const vorbis_info_residue0 _residue_44_low={
0,-1, -1, 9,-1,-1,
/* 0 1 2 3 4 5 6 7 */
{0},
{-1},
{ 0, 1, 2, 2, 4, 8, 16, 32},
{ 0, 0, 0,999, 4, 8, 16, 32},
};
static const vorbis_info_residue0 _residue_44_mid={
0,-1, -1, 10,-1,-1,
/* 0 1 2 3 4 5 6 7 8 */
{0},
{-1},
{ 0, 1, 1, 2, 2, 4, 8, 16, 32},
{ 0, 0,999, 0,999, 4, 8, 16, 32},
};
static const vorbis_info_residue0 _residue_44_high={
0,-1, -1, 10,-1,-1,
/* 0 1 2 3 4 5 6 7 8 */
{0},
{-1},
{ 0, 1, 2, 4, 8, 16, 32, 71,157},
{ 0, 1, 2, 3, 4, 8, 16, 71,157},
};
static const static_bookblock _resbook_44s_n1={
{
{0},{0,0,&_44cn1_s_p1_0},{0,0,&_44cn1_s_p2_0},
{0,0,&_44cn1_s_p3_0},{0,0,&_44cn1_s_p4_0},{0,0,&_44cn1_s_p5_0},
{&_44cn1_s_p6_0,&_44cn1_s_p6_1},{&_44cn1_s_p7_0,&_44cn1_s_p7_1},
{&_44cn1_s_p8_0,&_44cn1_s_p8_1,&_44cn1_s_p8_2}
}
};
static const static_bookblock _resbook_44sm_n1={
{
{0},{0,0,&_44cn1_sm_p1_0},{0,0,&_44cn1_sm_p2_0},
{0,0,&_44cn1_sm_p3_0},{0,0,&_44cn1_sm_p4_0},{0,0,&_44cn1_sm_p5_0},
{&_44cn1_sm_p6_0,&_44cn1_sm_p6_1},{&_44cn1_sm_p7_0,&_44cn1_sm_p7_1},
{&_44cn1_sm_p8_0,&_44cn1_sm_p8_1,&_44cn1_sm_p8_2}
}
};
static const static_bookblock _resbook_44s_0={
{
{0},{0,0,&_44c0_s_p1_0},{0,0,&_44c0_s_p2_0},
{0,0,&_44c0_s_p3_0},{0,0,&_44c0_s_p4_0},{0,0,&_44c0_s_p5_0},
{&_44c0_s_p6_0,&_44c0_s_p6_1},{&_44c0_s_p7_0,&_44c0_s_p7_1},
{&_44c0_s_p8_0,&_44c0_s_p8_1,&_44c0_s_p8_2}
}
};
static const static_bookblock _resbook_44sm_0={
{
{0},{0,0,&_44c0_sm_p1_0},{0,0,&_44c0_sm_p2_0},
{0,0,&_44c0_sm_p3_0},{0,0,&_44c0_sm_p4_0},{0,0,&_44c0_sm_p5_0},
{&_44c0_sm_p6_0,&_44c0_sm_p6_1},{&_44c0_sm_p7_0,&_44c0_sm_p7_1},
{&_44c0_sm_p8_0,&_44c0_sm_p8_1,&_44c0_sm_p8_2}
}
};
static const static_bookblock _resbook_44s_1={
{
{0},{0,0,&_44c1_s_p1_0},{0,0,&_44c1_s_p2_0},
{0,0,&_44c1_s_p3_0},{0,0,&_44c1_s_p4_0},{0,0,&_44c1_s_p5_0},
{&_44c1_s_p6_0,&_44c1_s_p6_1},{&_44c1_s_p7_0,&_44c1_s_p7_1},
{&_44c1_s_p8_0,&_44c1_s_p8_1,&_44c1_s_p8_2}
}
};
static const static_bookblock _resbook_44sm_1={
{
{0},{0,0,&_44c1_sm_p1_0},{0,0,&_44c1_sm_p2_0},
{0,0,&_44c1_sm_p3_0},{0,0,&_44c1_sm_p4_0},{0,0,&_44c1_sm_p5_0},
{&_44c1_sm_p6_0,&_44c1_sm_p6_1},{&_44c1_sm_p7_0,&_44c1_sm_p7_1},
{&_44c1_sm_p8_0,&_44c1_sm_p8_1,&_44c1_sm_p8_2}
}
};
static const static_bookblock _resbook_44s_2={
{
{0},{0,0,&_44c2_s_p1_0},{0,0,&_44c2_s_p2_0},{0,0,&_44c2_s_p3_0},
{0,0,&_44c2_s_p4_0},{0,0,&_44c2_s_p5_0},{0,0,&_44c2_s_p6_0},
{&_44c2_s_p7_0,&_44c2_s_p7_1},{&_44c2_s_p8_0,&_44c2_s_p8_1},
{&_44c2_s_p9_0,&_44c2_s_p9_1,&_44c2_s_p9_2}
}
};
static const static_bookblock _resbook_44s_3={
{
{0},{0,0,&_44c3_s_p1_0},{0,0,&_44c3_s_p2_0},{0,0,&_44c3_s_p3_0},
{0,0,&_44c3_s_p4_0},{0,0,&_44c3_s_p5_0},{0,0,&_44c3_s_p6_0},
{&_44c3_s_p7_0,&_44c3_s_p7_1},{&_44c3_s_p8_0,&_44c3_s_p8_1},
{&_44c3_s_p9_0,&_44c3_s_p9_1,&_44c3_s_p9_2}
}
};
static const static_bookblock _resbook_44s_4={
{
{0},{0,0,&_44c4_s_p1_0},{0,0,&_44c4_s_p2_0},{0,0,&_44c4_s_p3_0},
{0,0,&_44c4_s_p4_0},{0,0,&_44c4_s_p5_0},{0,0,&_44c4_s_p6_0},
{&_44c4_s_p7_0,&_44c4_s_p7_1},{&_44c4_s_p8_0,&_44c4_s_p8_1},
{&_44c4_s_p9_0,&_44c4_s_p9_1,&_44c4_s_p9_2}
}
};
static const static_bookblock _resbook_44s_5={
{
{0},{0,0,&_44c5_s_p1_0},{0,0,&_44c5_s_p2_0},{0,0,&_44c5_s_p3_0},
{0,0,&_44c5_s_p4_0},{0,0,&_44c5_s_p5_0},{0,0,&_44c5_s_p6_0},
{&_44c5_s_p7_0,&_44c5_s_p7_1},{&_44c5_s_p8_0,&_44c5_s_p8_1},
{&_44c5_s_p9_0,&_44c5_s_p9_1,&_44c5_s_p9_2}
}
};
static const static_bookblock _resbook_44s_6={
{
{0},{0,0,&_44c6_s_p1_0},{0,0,&_44c6_s_p2_0},{0,0,&_44c6_s_p3_0},
{0,0,&_44c6_s_p4_0},
{&_44c6_s_p5_0,&_44c6_s_p5_1},
{&_44c6_s_p6_0,&_44c6_s_p6_1},
{&_44c6_s_p7_0,&_44c6_s_p7_1},
{&_44c6_s_p8_0,&_44c6_s_p8_1},
{&_44c6_s_p9_0,&_44c6_s_p9_1,&_44c6_s_p9_2}
}
};
static const static_bookblock _resbook_44s_7={
{
{0},{0,0,&_44c7_s_p1_0},{0,0,&_44c7_s_p2_0},{0,0,&_44c7_s_p3_0},
{0,0,&_44c7_s_p4_0},
{&_44c7_s_p5_0,&_44c7_s_p5_1},
{&_44c7_s_p6_0,&_44c7_s_p6_1},
{&_44c7_s_p7_0,&_44c7_s_p7_1},
{&_44c7_s_p8_0,&_44c7_s_p8_1},
{&_44c7_s_p9_0,&_44c7_s_p9_1,&_44c7_s_p9_2}
}
};
static const static_bookblock _resbook_44s_8={
{
{0},{0,0,&_44c8_s_p1_0},{0,0,&_44c8_s_p2_0},{0,0,&_44c8_s_p3_0},
{0,0,&_44c8_s_p4_0},
{&_44c8_s_p5_0,&_44c8_s_p5_1},
{&_44c8_s_p6_0,&_44c8_s_p6_1},
{&_44c8_s_p7_0,&_44c8_s_p7_1},
{&_44c8_s_p8_0,&_44c8_s_p8_1},
{&_44c8_s_p9_0,&_44c8_s_p9_1,&_44c8_s_p9_2}
}
};
static const static_bookblock _resbook_44s_9={
{
{0},{0,0,&_44c9_s_p1_0},{0,0,&_44c9_s_p2_0},{0,0,&_44c9_s_p3_0},
{0,0,&_44c9_s_p4_0},
{&_44c9_s_p5_0,&_44c9_s_p5_1},
{&_44c9_s_p6_0,&_44c9_s_p6_1},
{&_44c9_s_p7_0,&_44c9_s_p7_1},
{&_44c9_s_p8_0,&_44c9_s_p8_1},
{&_44c9_s_p9_0,&_44c9_s_p9_1,&_44c9_s_p9_2}
}
};
static const vorbis_residue_template _res_44s_n1[]={
{2,0,32, &_residue_44_low,
&_huff_book__44cn1_s_short,&_huff_book__44cn1_sm_short,
&_resbook_44s_n1,&_resbook_44sm_n1},
{2,0,32, &_residue_44_low,
&_huff_book__44cn1_s_long,&_huff_book__44cn1_sm_long,
&_resbook_44s_n1,&_resbook_44sm_n1}
};
static const vorbis_residue_template _res_44s_0[]={
{2,0,16, &_residue_44_low,
&_huff_book__44c0_s_short,&_huff_book__44c0_sm_short,
&_resbook_44s_0,&_resbook_44sm_0},
{2,0,32, &_residue_44_low,
&_huff_book__44c0_s_long,&_huff_book__44c0_sm_long,
&_resbook_44s_0,&_resbook_44sm_0}
};
static const vorbis_residue_template _res_44s_1[]={
{2,0,16, &_residue_44_low,
&_huff_book__44c1_s_short,&_huff_book__44c1_sm_short,
&_resbook_44s_1,&_resbook_44sm_1},
{2,0,32, &_residue_44_low,
&_huff_book__44c1_s_long,&_huff_book__44c1_sm_long,
&_resbook_44s_1,&_resbook_44sm_1}
};
static const vorbis_residue_template _res_44s_2[]={
{2,0,16, &_residue_44_mid,
&_huff_book__44c2_s_short,&_huff_book__44c2_s_short,
&_resbook_44s_2,&_resbook_44s_2},
{2,0,32, &_residue_44_mid,
&_huff_book__44c2_s_long,&_huff_book__44c2_s_long,
&_resbook_44s_2,&_resbook_44s_2}
};
static const vorbis_residue_template _res_44s_3[]={
{2,0,16, &_residue_44_mid,
&_huff_book__44c3_s_short,&_huff_book__44c3_s_short,
&_resbook_44s_3,&_resbook_44s_3},
{2,0,32, &_residue_44_mid,
&_huff_book__44c3_s_long,&_huff_book__44c3_s_long,
&_resbook_44s_3,&_resbook_44s_3}
};
static const vorbis_residue_template _res_44s_4[]={
{2,0,16, &_residue_44_mid,
&_huff_book__44c4_s_short,&_huff_book__44c4_s_short,
&_resbook_44s_4,&_resbook_44s_4},
{2,0,32, &_residue_44_mid,
&_huff_book__44c4_s_long,&_huff_book__44c4_s_long,
&_resbook_44s_4,&_resbook_44s_4}
};
static const vorbis_residue_template _res_44s_5[]={
{2,0,16, &_residue_44_mid,
&_huff_book__44c5_s_short,&_huff_book__44c5_s_short,
&_resbook_44s_5,&_resbook_44s_5},
{2,0,32, &_residue_44_mid,
&_huff_book__44c5_s_long,&_huff_book__44c5_s_long,
&_resbook_44s_5,&_resbook_44s_5}
};
static const vorbis_residue_template _res_44s_6[]={
{2,0,16, &_residue_44_high,
&_huff_book__44c6_s_short,&_huff_book__44c6_s_short,
&_resbook_44s_6,&_resbook_44s_6},
{2,0,32, &_residue_44_high,
&_huff_book__44c6_s_long,&_huff_book__44c6_s_long,
&_resbook_44s_6,&_resbook_44s_6}
};
static const vorbis_residue_template _res_44s_7[]={
{2,0,16, &_residue_44_high,
&_huff_book__44c7_s_short,&_huff_book__44c7_s_short,
&_resbook_44s_7,&_resbook_44s_7},
{2,0,32, &_residue_44_high,
&_huff_book__44c7_s_long,&_huff_book__44c7_s_long,
&_resbook_44s_7,&_resbook_44s_7}
};
static const vorbis_residue_template _res_44s_8[]={
{2,0,16, &_residue_44_high,
&_huff_book__44c8_s_short,&_huff_book__44c8_s_short,
&_resbook_44s_8,&_resbook_44s_8},
{2,0,32, &_residue_44_high,
&_huff_book__44c8_s_long,&_huff_book__44c8_s_long,
&_resbook_44s_8,&_resbook_44s_8}
};
static const vorbis_residue_template _res_44s_9[]={
{2,0,16, &_residue_44_high,
&_huff_book__44c9_s_short,&_huff_book__44c9_s_short,
&_resbook_44s_9,&_resbook_44s_9},
{2,0,32, &_residue_44_high,
&_huff_book__44c9_s_long,&_huff_book__44c9_s_long,
&_resbook_44s_9,&_resbook_44s_9}
};
static const vorbis_mapping_template _mapres_template_44_stereo[]={
{ _map_nominal, _res_44s_n1 }, /* -1 */
{ _map_nominal, _res_44s_0 }, /* 0 */
{ _map_nominal, _res_44s_1 }, /* 1 */
{ _map_nominal, _res_44s_2 }, /* 2 */
{ _map_nominal, _res_44s_3 }, /* 3 */
{ _map_nominal, _res_44s_4 }, /* 4 */
{ _map_nominal, _res_44s_5 }, /* 5 */
{ _map_nominal, _res_44s_6 }, /* 6 */
{ _map_nominal, _res_44s_7 }, /* 7 */
{ _map_nominal, _res_44s_8 }, /* 8 */
{ _map_nominal, _res_44s_9 }, /* 9 */
};

451
Sources/libvorbis/lib/modes/residue_44p51.h Normal file
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@ -0,0 +1,451 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel residue templates for 32/44.1/48kHz uncoupled
last mod: $Id: residue_44p51.h 19013 2013-11-12 04:04:50Z giles $
********************************************************************/
#include "vorbis/codec.h"
#include "backends.h"
#include "books/coupled/res_books_51.h"
/***** residue backends *********************************************/
static const vorbis_info_residue0 _residue_44p_lo={
0,-1, -1, 7,-1,-1,
/* 0 1 2 3 4 5 6 7 8 */
{0},
{-1},
{ 0, 1, 2, 7, 17, 31},
{ 0, 0, 99, 7, 17, 31},
};
static const vorbis_info_residue0 _residue_44p={
0,-1, -1, 8,-1,-1,
/* 0 1 2 3 4 5 6 7 8 */
{0},
{-1},
{ 0, 1, 1, 2, 7, 17, 31},
{ 0, 0, 99, 99, 7, 17, 31},
};
static const vorbis_info_residue0 _residue_44p_hi={
0,-1, -1, 8,-1,-1,
/* 0 1 2 3 4 5 6 7 8 */
{0},
{-1},
{ 0, 1, 2, 4, 7, 17, 31},
{ 0, 1, 2, 4, 7, 17, 31},
};
static const vorbis_info_residue0 _residue_44p_lfe={
0,-1, -1, 2,-1,-1,
/* 0 1 2 3 4 5 6 7 8 */
{0},
{-1},
{ 32},
{ -1}
};
static const static_bookblock _resbook_44p_n1={
{
{0},
{0,&_44pn1_p1_0},
{&_44pn1_p2_0,&_44pn1_p2_1,0},
{&_44pn1_p3_0,&_44pn1_p3_1,0},
{&_44pn1_p4_0,&_44pn1_p4_1,0},
{&_44pn1_p5_0,&_44pn1_p5_1,&_44pn1_p4_1},
{&_44pn1_p6_0,&_44pn1_p6_1,&_44pn1_p6_2},
}
};
static const static_bookblock _resbook_44p_0={
{
{0},
{0,&_44p0_p1_0},
{&_44p0_p2_0,&_44p0_p2_1,0},
{&_44p0_p3_0,&_44p0_p3_1,0},
{&_44p0_p4_0,&_44p0_p4_1,0},
{&_44p0_p5_0,&_44p0_p5_1,&_44p0_p4_1},
{&_44p0_p6_0,&_44p0_p6_1,&_44p0_p6_2},
}
};
static const static_bookblock _resbook_44p_1={
{
{0},
{0,&_44p1_p1_0},
{&_44p1_p2_0,&_44p1_p2_1,0},
{&_44p1_p3_0,&_44p1_p3_1,0},
{&_44p1_p4_0,&_44p1_p4_1,0},
{&_44p1_p5_0,&_44p1_p5_1,&_44p1_p4_1},
{&_44p1_p6_0,&_44p1_p6_1,&_44p1_p6_2},
}
};
static const static_bookblock _resbook_44p_2={
{
{0},
{0,0,&_44p2_p1_0},
{0,&_44p2_p2_0,0},
{&_44p2_p3_0,&_44p2_p3_1,0},
{&_44p2_p4_0,&_44p2_p4_1,0},
{&_44p2_p5_0,&_44p2_p5_1,0},
{&_44p2_p6_0,&_44p2_p6_1,&_44p2_p5_1},
{&_44p2_p7_0,&_44p2_p7_1,&_44p2_p7_2,&_44p2_p7_3}
}
};
static const static_bookblock _resbook_44p_3={
{
{0},
{0,0,&_44p3_p1_0},
{0,&_44p3_p2_0,0},
{&_44p3_p3_0,&_44p3_p3_1,0},
{&_44p3_p4_0,&_44p3_p4_1,0},
{&_44p3_p5_0,&_44p3_p5_1,0},
{&_44p3_p6_0,&_44p3_p6_1,&_44p3_p5_1},
{&_44p3_p7_0,&_44p3_p7_1,&_44p3_p7_2,&_44p3_p7_3}
}
};
static const static_bookblock _resbook_44p_4={
{
{0},
{0,0,&_44p4_p1_0},
{0,&_44p4_p2_0,0},
{&_44p4_p3_0,&_44p4_p3_1,0},
{&_44p4_p4_0,&_44p4_p4_1,0},
{&_44p4_p5_0,&_44p4_p5_1,0},
{&_44p4_p6_0,&_44p4_p6_1,&_44p4_p5_1},
{&_44p4_p7_0,&_44p4_p7_1,&_44p4_p7_2,&_44p4_p7_3}
}
};
static const static_bookblock _resbook_44p_5={
{
{0},
{0,0,&_44p5_p1_0},
{0,&_44p5_p2_0,0},
{&_44p5_p3_0,&_44p5_p3_1,0},
{&_44p5_p4_0,&_44p5_p4_1,0},
{&_44p5_p5_0,&_44p5_p5_1,0},
{&_44p5_p6_0,&_44p5_p6_1,&_44p5_p5_1},
{&_44p5_p7_0,&_44p5_p7_1,&_44p5_p7_2,&_44p5_p7_3}
}
};
static const static_bookblock _resbook_44p_6={
{
{0},
{0,0,&_44p6_p1_0},
{0,&_44p6_p2_0,0},
{&_44p6_p3_0,&_44p6_p3_1,0},
{&_44p6_p4_0,&_44p6_p4_1,0},
{&_44p6_p5_0,&_44p6_p5_1,0},
{&_44p6_p6_0,&_44p6_p6_1,&_44p6_p5_1},
{&_44p6_p7_0,&_44p6_p7_1,&_44p6_p7_2,&_44p6_p7_3}
}
};
static const static_bookblock _resbook_44p_7={
{
{0},
{0,0,&_44p7_p1_0},
{0,&_44p7_p2_0,0},
{&_44p7_p3_0,&_44p7_p3_1,0},
{&_44p7_p4_0,&_44p7_p4_1,0},
{&_44p7_p5_0,&_44p7_p5_1,0},
{&_44p7_p6_0,&_44p7_p6_1,&_44p7_p5_1},
{&_44p7_p7_0,&_44p7_p7_1,&_44p7_p7_2,&_44p7_p7_3}
}
};
static const static_bookblock _resbook_44p_8={
{
{0},
{0,0,&_44p8_p1_0},
{0,&_44p8_p2_0,0},
{&_44p8_p3_0,&_44p8_p3_1,0},
{&_44p8_p4_0,&_44p8_p4_1,0},
{&_44p8_p5_0,&_44p8_p5_1,0},
{&_44p8_p6_0,&_44p8_p6_1,&_44p8_p5_1},
{&_44p8_p7_0,&_44p8_p7_1,&_44p8_p7_2,&_44p8_p7_3}
}
};
static const static_bookblock _resbook_44p_9={
{
{0},
{0,0,&_44p9_p1_0},
{0,&_44p9_p2_0,0},
{&_44p9_p3_0,&_44p9_p3_1,0},
{&_44p9_p4_0,&_44p9_p4_1,0},
{&_44p9_p5_0,&_44p9_p5_1,0},
{&_44p9_p6_0,&_44p9_p6_1,&_44p9_p5_1},
{&_44p9_p7_0,&_44p9_p7_1,&_44p9_p7_2,&_44p9_p7_3}
}
};
static const static_bookblock _resbook_44p_ln1={
{
{&_44pn1_l0_0,&_44pn1_l0_1,0},
{&_44pn1_l1_0,&_44pn1_p6_1,&_44pn1_p6_2},
}
};
static const static_bookblock _resbook_44p_l0={
{
{&_44p0_l0_0,&_44p0_l0_1,0},
{&_44p0_l1_0,&_44p0_p6_1,&_44p0_p6_2},
}
};
static const static_bookblock _resbook_44p_l1={
{
{&_44p1_l0_0,&_44p1_l0_1,0},
{&_44p1_l1_0,&_44p1_p6_1,&_44p1_p6_2},
}
};
static const static_bookblock _resbook_44p_l2={
{
{&_44p2_l0_0,&_44p2_l0_1,0},
{&_44p2_l1_0,&_44p2_p7_2,&_44p2_p7_3},
}
};
static const static_bookblock _resbook_44p_l3={
{
{&_44p3_l0_0,&_44p3_l0_1,0},
{&_44p3_l1_0,&_44p3_p7_2,&_44p3_p7_3},
}
};
static const static_bookblock _resbook_44p_l4={
{
{&_44p4_l0_0,&_44p4_l0_1,0},
{&_44p4_l1_0,&_44p4_p7_2,&_44p4_p7_3},
}
};
static const static_bookblock _resbook_44p_l5={
{
{&_44p5_l0_0,&_44p5_l0_1,0},
{&_44p5_l1_0,&_44p5_p7_2,&_44p5_p7_3},
}
};
static const static_bookblock _resbook_44p_l6={
{
{&_44p6_l0_0,&_44p6_l0_1,0},
{&_44p6_l1_0,&_44p6_p7_2,&_44p6_p7_3},
}
};
static const static_bookblock _resbook_44p_l7={
{
{&_44p7_l0_0,&_44p7_l0_1,0},
{&_44p7_l1_0,&_44p7_p7_2,&_44p7_p7_3},
}
};
static const static_bookblock _resbook_44p_l8={
{
{&_44p8_l0_0,&_44p8_l0_1,0},
{&_44p8_l1_0,&_44p8_p7_2,&_44p8_p7_3},
}
};
static const static_bookblock _resbook_44p_l9={
{
{&_44p9_l0_0,&_44p9_l0_1,0},
{&_44p9_l1_0,&_44p9_p7_2,&_44p9_p7_3},
}
};
static const vorbis_info_mapping0 _map_nominal_51[2]={
{2, {0,0,0,0,0,1}, {0,2}, {0,2}, 4,{0,3,0,0},{2,4,1,3}},
{2, {0,0,0,0,0,1}, {1,2}, {1,2}, 4,{0,3,0,0},{2,4,1,3}}
};
static const vorbis_info_mapping0 _map_nominal_51u[2]={
{2, {0,0,0,0,0,1}, {0,2}, {0,2}, 0,{0},{0}},
{2, {0,0,0,0,0,1}, {1,2}, {1,2}, 0,{0},{0}}
};
static const vorbis_residue_template _res_44p51_n1[]={
{2,0,30, &_residue_44p_lo,
&_huff_book__44pn1_short,&_huff_book__44pn1_short,
&_resbook_44p_n1,&_resbook_44p_n1},
{2,0,30, &_residue_44p_lo,
&_huff_book__44pn1_long,&_huff_book__44pn1_long,
&_resbook_44p_n1,&_resbook_44p_n1},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44pn1_lfe,&_huff_book__44pn1_lfe,
&_resbook_44p_ln1,&_resbook_44p_ln1}
};
static const vorbis_residue_template _res_44p51_0[]={
{2,0,15, &_residue_44p_lo,
&_huff_book__44p0_short,&_huff_book__44p0_short,
&_resbook_44p_0,&_resbook_44p_0},
{2,0,30, &_residue_44p_lo,
&_huff_book__44p0_long,&_huff_book__44p0_long,
&_resbook_44p_0,&_resbook_44p_0},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p0_lfe,&_huff_book__44p0_lfe,
&_resbook_44p_l0,&_resbook_44p_l0}
};
static const vorbis_residue_template _res_44p51_1[]={
{2,0,15, &_residue_44p_lo,
&_huff_book__44p1_short,&_huff_book__44p1_short,
&_resbook_44p_1,&_resbook_44p_1},
{2,0,30, &_residue_44p_lo,
&_huff_book__44p1_long,&_huff_book__44p1_long,
&_resbook_44p_1,&_resbook_44p_1},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p1_lfe,&_huff_book__44p1_lfe,
&_resbook_44p_l1,&_resbook_44p_l1}
};
static const vorbis_residue_template _res_44p51_2[]={
{2,0,15, &_residue_44p,
&_huff_book__44p2_short,&_huff_book__44p2_short,
&_resbook_44p_2,&_resbook_44p_2},
{2,0,30, &_residue_44p,
&_huff_book__44p2_long,&_huff_book__44p2_long,
&_resbook_44p_2,&_resbook_44p_2},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p2_lfe,&_huff_book__44p2_lfe,
&_resbook_44p_l2,&_resbook_44p_l2}
};
static const vorbis_residue_template _res_44p51_3[]={
{2,0,15, &_residue_44p,
&_huff_book__44p3_short,&_huff_book__44p3_short,
&_resbook_44p_3,&_resbook_44p_3},
{2,0,30, &_residue_44p,
&_huff_book__44p3_long,&_huff_book__44p3_long,
&_resbook_44p_3,&_resbook_44p_3},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p3_lfe,&_huff_book__44p3_lfe,
&_resbook_44p_l3,&_resbook_44p_l3}
};
static const vorbis_residue_template _res_44p51_4[]={
{2,0,15, &_residue_44p,
&_huff_book__44p4_short,&_huff_book__44p4_short,
&_resbook_44p_4,&_resbook_44p_4},
{2,0,30, &_residue_44p,
&_huff_book__44p4_long,&_huff_book__44p4_long,
&_resbook_44p_4,&_resbook_44p_4},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p4_lfe,&_huff_book__44p4_lfe,
&_resbook_44p_l4,&_resbook_44p_l4}
};
static const vorbis_residue_template _res_44p51_5[]={
{2,0,15, &_residue_44p_hi,
&_huff_book__44p5_short,&_huff_book__44p5_short,
&_resbook_44p_5,&_resbook_44p_5},
{2,0,30, &_residue_44p_hi,
&_huff_book__44p5_long,&_huff_book__44p5_long,
&_resbook_44p_5,&_resbook_44p_5},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p5_lfe,&_huff_book__44p5_lfe,
&_resbook_44p_l5,&_resbook_44p_l5}
};
static const vorbis_residue_template _res_44p51_6[]={
{2,0,15, &_residue_44p_hi,
&_huff_book__44p6_short,&_huff_book__44p6_short,
&_resbook_44p_6,&_resbook_44p_6},
{2,0,30, &_residue_44p_hi,
&_huff_book__44p6_long,&_huff_book__44p6_long,
&_resbook_44p_6,&_resbook_44p_6},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p6_lfe,&_huff_book__44p6_lfe,
&_resbook_44p_l6,&_resbook_44p_l6}
};
static const vorbis_residue_template _res_44p51_7[]={
{2,0,15, &_residue_44p_hi,
&_huff_book__44p7_short,&_huff_book__44p7_short,
&_resbook_44p_7,&_resbook_44p_7},
{2,0,30, &_residue_44p_hi,
&_huff_book__44p7_long,&_huff_book__44p7_long,
&_resbook_44p_7,&_resbook_44p_7},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p6_lfe,&_huff_book__44p6_lfe,
&_resbook_44p_l6,&_resbook_44p_l6}
};
static const vorbis_residue_template _res_44p51_8[]={
{2,0,15, &_residue_44p_hi,
&_huff_book__44p8_short,&_huff_book__44p8_short,
&_resbook_44p_8,&_resbook_44p_8},
{2,0,30, &_residue_44p_hi,
&_huff_book__44p8_long,&_huff_book__44p8_long,
&_resbook_44p_8,&_resbook_44p_8},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p6_lfe,&_huff_book__44p6_lfe,
&_resbook_44p_l6,&_resbook_44p_l6}
};
static const vorbis_residue_template _res_44p51_9[]={
{2,0,15, &_residue_44p_hi,
&_huff_book__44p9_short,&_huff_book__44p9_short,
&_resbook_44p_9,&_resbook_44p_9},
{2,0,30, &_residue_44p_hi,
&_huff_book__44p9_long,&_huff_book__44p9_long,
&_resbook_44p_9,&_resbook_44p_9},
{1,2,6, &_residue_44p_lfe,
&_huff_book__44p6_lfe,&_huff_book__44p6_lfe,
&_resbook_44p_l6,&_resbook_44p_l6}
};
static const vorbis_mapping_template _mapres_template_44_51[]={
{ _map_nominal_51, _res_44p51_n1 }, /* -1 */
{ _map_nominal_51, _res_44p51_0 }, /* 0 */
{ _map_nominal_51, _res_44p51_1 }, /* 1 */
{ _map_nominal_51, _res_44p51_2 }, /* 2 */
{ _map_nominal_51, _res_44p51_3 }, /* 3 */
{ _map_nominal_51, _res_44p51_4 }, /* 4 */
{ _map_nominal_51u, _res_44p51_5 }, /* 5 */
{ _map_nominal_51u, _res_44p51_6 }, /* 6 */
{ _map_nominal_51u, _res_44p51_7 }, /* 7 */
{ _map_nominal_51u, _res_44p51_8 }, /* 8 */
{ _map_nominal_51u, _res_44p51_9 }, /* 9 */
};

318
Sources/libvorbis/lib/modes/residue_44u.h Normal file
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@ -0,0 +1,318 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel residue templates for 32/44.1/48kHz uncoupled
last mod: $Id: residue_44u.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
#include "vorbis/codec.h"
#include "backends.h"
#include "books/uncoupled/res_books_uncoupled.h"
/***** residue backends *********************************************/
static const vorbis_info_residue0 _residue_44_low_un={
0,-1, -1, 8,-1,-1,
{0},
{-1},
{ 0, 1, 1, 2, 2, 4, 28},
{ -1, 25, -1, 45, -1, -1, -1}
};
static const vorbis_info_residue0 _residue_44_mid_un={
0,-1, -1, 10,-1,-1,
/* 0 1 2 3 4 5 6 7 8 9 */
{0},
{-1},
{ 0, 1, 1, 2, 2, 4, 4, 16, 60},
{ -1, 30, -1, 50, -1, 80, -1, -1, -1}
};
static const vorbis_info_residue0 _residue_44_hi_un={
0,-1, -1, 10,-1,-1,
/* 0 1 2 3 4 5 6 7 8 9 */
{0},
{-1},
{ 0, 1, 2, 4, 8, 16, 32, 71,157},
{ -1, -1, -1, -1, -1, -1, -1, -1, -1}
};
/* mapping conventions:
only one submap (this would change for efficient 5.1 support for example)*/
/* Four psychoacoustic profiles are used, one for each blocktype */
static const vorbis_info_mapping0 _map_nominal_u[2]={
{1, {0,0,0,0,0,0}, {0}, {0}, 0,{0},{0}},
{1, {0,0,0,0,0,0}, {1}, {1}, 0,{0},{0}}
};
static const static_bookblock _resbook_44u_n1={
{
{0},
{0,0,&_44un1__p1_0},
{0,0,&_44un1__p2_0},
{0,0,&_44un1__p3_0},
{0,0,&_44un1__p4_0},
{0,0,&_44un1__p5_0},
{&_44un1__p6_0,&_44un1__p6_1},
{&_44un1__p7_0,&_44un1__p7_1,&_44un1__p7_2}
}
};
static const static_bookblock _resbook_44u_0={
{
{0},
{0,0,&_44u0__p1_0},
{0,0,&_44u0__p2_0},
{0,0,&_44u0__p3_0},
{0,0,&_44u0__p4_0},
{0,0,&_44u0__p5_0},
{&_44u0__p6_0,&_44u0__p6_1},
{&_44u0__p7_0,&_44u0__p7_1,&_44u0__p7_2}
}
};
static const static_bookblock _resbook_44u_1={
{
{0},
{0,0,&_44u1__p1_0},
{0,0,&_44u1__p2_0},
{0,0,&_44u1__p3_0},
{0,0,&_44u1__p4_0},
{0,0,&_44u1__p5_0},
{&_44u1__p6_0,&_44u1__p6_1},
{&_44u1__p7_0,&_44u1__p7_1,&_44u1__p7_2}
}
};
static const static_bookblock _resbook_44u_2={
{
{0},
{0,0,&_44u2__p1_0},
{0,0,&_44u2__p2_0},
{0,0,&_44u2__p3_0},
{0,0,&_44u2__p4_0},
{0,0,&_44u2__p5_0},
{&_44u2__p6_0,&_44u2__p6_1},
{&_44u2__p7_0,&_44u2__p7_1,&_44u2__p7_2}
}
};
static const static_bookblock _resbook_44u_3={
{
{0},
{0,0,&_44u3__p1_0},
{0,0,&_44u3__p2_0},
{0,0,&_44u3__p3_0},
{0,0,&_44u3__p4_0},
{0,0,&_44u3__p5_0},
{&_44u3__p6_0,&_44u3__p6_1},
{&_44u3__p7_0,&_44u3__p7_1,&_44u3__p7_2}
}
};
static const static_bookblock _resbook_44u_4={
{
{0},
{0,0,&_44u4__p1_0},
{0,0,&_44u4__p2_0},
{0,0,&_44u4__p3_0},
{0,0,&_44u4__p4_0},
{0,0,&_44u4__p5_0},
{&_44u4__p6_0,&_44u4__p6_1},
{&_44u4__p7_0,&_44u4__p7_1,&_44u4__p7_2}
}
};
static const static_bookblock _resbook_44u_5={
{
{0},
{0,0,&_44u5__p1_0},
{0,0,&_44u5__p2_0},
{0,0,&_44u5__p3_0},
{0,0,&_44u5__p4_0},
{0,0,&_44u5__p5_0},
{0,0,&_44u5__p6_0},
{&_44u5__p7_0,&_44u5__p7_1},
{&_44u5__p8_0,&_44u5__p8_1},
{&_44u5__p9_0,&_44u5__p9_1,&_44u5__p9_2}
}
};
static const static_bookblock _resbook_44u_6={
{
{0},
{0,0,&_44u6__p1_0},
{0,0,&_44u6__p2_0},
{0,0,&_44u6__p3_0},
{0,0,&_44u6__p4_0},
{0,0,&_44u6__p5_0},
{0,0,&_44u6__p6_0},
{&_44u6__p7_0,&_44u6__p7_1},
{&_44u6__p8_0,&_44u6__p8_1},
{&_44u6__p9_0,&_44u6__p9_1,&_44u6__p9_2}
}
};
static const static_bookblock _resbook_44u_7={
{
{0},
{0,0,&_44u7__p1_0},
{0,0,&_44u7__p2_0},
{0,0,&_44u7__p3_0},
{0,0,&_44u7__p4_0},
{0,0,&_44u7__p5_0},
{0,0,&_44u7__p6_0},
{&_44u7__p7_0,&_44u7__p7_1},
{&_44u7__p8_0,&_44u7__p8_1},
{&_44u7__p9_0,&_44u7__p9_1,&_44u7__p9_2}
}
};
static const static_bookblock _resbook_44u_8={
{
{0},
{0,0,&_44u8_p1_0},
{0,0,&_44u8_p2_0},
{0,0,&_44u8_p3_0},
{0,0,&_44u8_p4_0},
{&_44u8_p5_0,&_44u8_p5_1},
{&_44u8_p6_0,&_44u8_p6_1},
{&_44u8_p7_0,&_44u8_p7_1},
{&_44u8_p8_0,&_44u8_p8_1},
{&_44u8_p9_0,&_44u8_p9_1,&_44u8_p9_2}
}
};
static const static_bookblock _resbook_44u_9={
{
{0},
{0,0,&_44u9_p1_0},
{0,0,&_44u9_p2_0},
{0,0,&_44u9_p3_0},
{0,0,&_44u9_p4_0},
{&_44u9_p5_0,&_44u9_p5_1},
{&_44u9_p6_0,&_44u9_p6_1},
{&_44u9_p7_0,&_44u9_p7_1},
{&_44u9_p8_0,&_44u9_p8_1},
{&_44u9_p9_0,&_44u9_p9_1,&_44u9_p9_2}
}
};
static const vorbis_residue_template _res_44u_n1[]={
{1,0,32, &_residue_44_low_un,
&_huff_book__44un1__short,&_huff_book__44un1__short,
&_resbook_44u_n1,&_resbook_44u_n1},
{1,0,32, &_residue_44_low_un,
&_huff_book__44un1__long,&_huff_book__44un1__long,
&_resbook_44u_n1,&_resbook_44u_n1}
};
static const vorbis_residue_template _res_44u_0[]={
{1,0,16, &_residue_44_low_un,
&_huff_book__44u0__short,&_huff_book__44u0__short,
&_resbook_44u_0,&_resbook_44u_0},
{1,0,32, &_residue_44_low_un,
&_huff_book__44u0__long,&_huff_book__44u0__long,
&_resbook_44u_0,&_resbook_44u_0}
};
static const vorbis_residue_template _res_44u_1[]={
{1,0,16, &_residue_44_low_un,
&_huff_book__44u1__short,&_huff_book__44u1__short,
&_resbook_44u_1,&_resbook_44u_1},
{1,0,32, &_residue_44_low_un,
&_huff_book__44u1__long,&_huff_book__44u1__long,
&_resbook_44u_1,&_resbook_44u_1}
};
static const vorbis_residue_template _res_44u_2[]={
{1,0,16, &_residue_44_low_un,
&_huff_book__44u2__short,&_huff_book__44u2__short,
&_resbook_44u_2,&_resbook_44u_2},
{1,0,32, &_residue_44_low_un,
&_huff_book__44u2__long,&_huff_book__44u2__long,
&_resbook_44u_2,&_resbook_44u_2}
};
static const vorbis_residue_template _res_44u_3[]={
{1,0,16, &_residue_44_low_un,
&_huff_book__44u3__short,&_huff_book__44u3__short,
&_resbook_44u_3,&_resbook_44u_3},
{1,0,32, &_residue_44_low_un,
&_huff_book__44u3__long,&_huff_book__44u3__long,
&_resbook_44u_3,&_resbook_44u_3}
};
static const vorbis_residue_template _res_44u_4[]={
{1,0,16, &_residue_44_low_un,
&_huff_book__44u4__short,&_huff_book__44u4__short,
&_resbook_44u_4,&_resbook_44u_4},
{1,0,32, &_residue_44_low_un,
&_huff_book__44u4__long,&_huff_book__44u4__long,
&_resbook_44u_4,&_resbook_44u_4}
};
static const vorbis_residue_template _res_44u_5[]={
{1,0,16, &_residue_44_mid_un,
&_huff_book__44u5__short,&_huff_book__44u5__short,
&_resbook_44u_5,&_resbook_44u_5},
{1,0,32, &_residue_44_mid_un,
&_huff_book__44u5__long,&_huff_book__44u5__long,
&_resbook_44u_5,&_resbook_44u_5}
};
static const vorbis_residue_template _res_44u_6[]={
{1,0,16, &_residue_44_mid_un,
&_huff_book__44u6__short,&_huff_book__44u6__short,
&_resbook_44u_6,&_resbook_44u_6},
{1,0,32, &_residue_44_mid_un,
&_huff_book__44u6__long,&_huff_book__44u6__long,
&_resbook_44u_6,&_resbook_44u_6}
};
static const vorbis_residue_template _res_44u_7[]={
{1,0,16, &_residue_44_mid_un,
&_huff_book__44u7__short,&_huff_book__44u7__short,
&_resbook_44u_7,&_resbook_44u_7},
{1,0,32, &_residue_44_mid_un,
&_huff_book__44u7__long,&_huff_book__44u7__long,
&_resbook_44u_7,&_resbook_44u_7}
};
static const vorbis_residue_template _res_44u_8[]={
{1,0,16, &_residue_44_hi_un,
&_huff_book__44u8__short,&_huff_book__44u8__short,
&_resbook_44u_8,&_resbook_44u_8},
{1,0,32, &_residue_44_hi_un,
&_huff_book__44u8__long,&_huff_book__44u8__long,
&_resbook_44u_8,&_resbook_44u_8}
};
static const vorbis_residue_template _res_44u_9[]={
{1,0,16, &_residue_44_hi_un,
&_huff_book__44u9__short,&_huff_book__44u9__short,
&_resbook_44u_9,&_resbook_44u_9},
{1,0,32, &_residue_44_hi_un,
&_huff_book__44u9__long,&_huff_book__44u9__long,
&_resbook_44u_9,&_resbook_44u_9}
};
static const vorbis_mapping_template _mapres_template_44_uncoupled[]={
{ _map_nominal_u, _res_44u_n1 }, /* -1 */
{ _map_nominal_u, _res_44u_0 }, /* 0 */
{ _map_nominal_u, _res_44u_1 }, /* 1 */
{ _map_nominal_u, _res_44u_2 }, /* 2 */
{ _map_nominal_u, _res_44u_3 }, /* 3 */
{ _map_nominal_u, _res_44u_4 }, /* 4 */
{ _map_nominal_u, _res_44u_5 }, /* 5 */
{ _map_nominal_u, _res_44u_6 }, /* 6 */
{ _map_nominal_u, _res_44u_7 }, /* 7 */
{ _map_nominal_u, _res_44u_8 }, /* 8 */
{ _map_nominal_u, _res_44u_9 }, /* 9 */
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel residue templates 8/11kHz
last mod: $Id: residue_8.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
#include "vorbis/codec.h"
#include "backends.h"
/***** residue backends *********************************************/
static const static_bookblock _resbook_8s_0={
{
{0},
{0,0,&_8c0_s_p1_0},
{0},
{0,0,&_8c0_s_p3_0},
{0,0,&_8c0_s_p4_0},
{0,0,&_8c0_s_p5_0},
{0,0,&_8c0_s_p6_0},
{&_8c0_s_p7_0,&_8c0_s_p7_1},
{&_8c0_s_p8_0,&_8c0_s_p8_1},
{&_8c0_s_p9_0,&_8c0_s_p9_1,&_8c0_s_p9_2}
}
};
static const static_bookblock _resbook_8s_1={
{
{0},
{0,0,&_8c1_s_p1_0},
{0},
{0,0,&_8c1_s_p3_0},
{0,0,&_8c1_s_p4_0},
{0,0,&_8c1_s_p5_0},
{0,0,&_8c1_s_p6_0},
{&_8c1_s_p7_0,&_8c1_s_p7_1},
{&_8c1_s_p8_0,&_8c1_s_p8_1},
{&_8c1_s_p9_0,&_8c1_s_p9_1,&_8c1_s_p9_2}
}
};
static const vorbis_residue_template _res_8s_0[]={
{2,0,32, &_residue_44_mid,
&_huff_book__8c0_s_single,&_huff_book__8c0_s_single,
&_resbook_8s_0,&_resbook_8s_0},
};
static const vorbis_residue_template _res_8s_1[]={
{2,0,32, &_residue_44_mid,
&_huff_book__8c1_s_single,&_huff_book__8c1_s_single,
&_resbook_8s_1,&_resbook_8s_1},
};
static const vorbis_mapping_template _mapres_template_8_stereo[2]={
{ _map_nominal, _res_8s_0 }, /* 0 */
{ _map_nominal, _res_8s_1 }, /* 1 */
};
static const static_bookblock _resbook_8u_0={
{
{0},
{0,0,&_8u0__p1_0},
{0,0,&_8u0__p2_0},
{0,0,&_8u0__p3_0},
{0,0,&_8u0__p4_0},
{0,0,&_8u0__p5_0},
{&_8u0__p6_0,&_8u0__p6_1},
{&_8u0__p7_0,&_8u0__p7_1,&_8u0__p7_2}
}
};
static const static_bookblock _resbook_8u_1={
{
{0},
{0,0,&_8u1__p1_0},
{0,0,&_8u1__p2_0},
{0,0,&_8u1__p3_0},
{0,0,&_8u1__p4_0},
{0,0,&_8u1__p5_0},
{0,0,&_8u1__p6_0},
{&_8u1__p7_0,&_8u1__p7_1},
{&_8u1__p8_0,&_8u1__p8_1},
{&_8u1__p9_0,&_8u1__p9_1,&_8u1__p9_2}
}
};
static const vorbis_residue_template _res_8u_0[]={
{1,0,32, &_residue_44_low_un,
&_huff_book__8u0__single,&_huff_book__8u0__single,
&_resbook_8u_0,&_resbook_8u_0},
};
static const vorbis_residue_template _res_8u_1[]={
{1,0,32, &_residue_44_mid_un,
&_huff_book__8u1__single,&_huff_book__8u1__single,
&_resbook_8u_1,&_resbook_8u_1},
};
static const vorbis_mapping_template _mapres_template_8_uncoupled[2]={
{ _map_nominal_u, _res_8u_0 }, /* 0 */
{ _map_nominal_u, _res_8u_1 }, /* 1 */
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: 11kHz settings
last mod: $Id: setup_11.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/
#include "psych_11.h"
static const int blocksize_11[2]={
512,512
};
static const int _floor_mapping_11a[]={
6,6
};
static const int *_floor_mapping_11[]={
_floor_mapping_11a
};
static const double rate_mapping_11[3]={
8000.,13000.,44000.,
};
static const double rate_mapping_11_uncoupled[3]={
12000.,20000.,50000.,
};
static const double quality_mapping_11[3]={
-.1,.0,1.
};
static const ve_setup_data_template ve_setup_11_stereo={
2,
rate_mapping_11,
quality_mapping_11,
2,
9000,
15000,
blocksize_11,
blocksize_11,
_psy_tone_masteratt_11,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_11,
NULL,
_vp_tonemask_adj_11,
_psy_noiseguards_8,
_psy_noisebias_11,
_psy_noisebias_11,
NULL,
NULL,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_8_mapping,
NULL,
{_noise_start_8,_noise_start_8},
{_noise_part_8,_noise_part_8},
_noise_thresh_11,
_psy_ath_floater_8,
_psy_ath_abs_8,
_psy_lowpass_11,
_psy_global_44,
_global_mapping_8,
_psy_stereo_modes_8,
_floor_books,
_floor,
1,
_floor_mapping_11,
_mapres_template_8_stereo
};
static const ve_setup_data_template ve_setup_11_uncoupled={
2,
rate_mapping_11_uncoupled,
quality_mapping_11,
-1,
9000,
15000,
blocksize_11,
blocksize_11,
_psy_tone_masteratt_11,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_11,
NULL,
_vp_tonemask_adj_11,
_psy_noiseguards_8,
_psy_noisebias_11,
_psy_noisebias_11,
NULL,
NULL,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_8_mapping,
NULL,
{_noise_start_8,_noise_start_8},
{_noise_part_8,_noise_part_8},
_noise_thresh_11,
_psy_ath_floater_8,
_psy_ath_abs_8,
_psy_lowpass_11,
_psy_global_44,
_global_mapping_8,
_psy_stereo_modes_8,
_floor_books,
_floor,
1,
_floor_mapping_11,
_mapres_template_8_uncoupled
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: 16kHz settings
last mod: $Id: setup_16.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/
#include "psych_16.h"
#include "residue_16.h"
static const int blocksize_16_short[3]={
1024,512,512
};
static const int blocksize_16_long[3]={
1024,1024,1024
};
static const int _floor_mapping_16a[]={
9,3,3
};
static const int _floor_mapping_16b[]={
9,9,9
};
static const int *_floor_mapping_16[]={
_floor_mapping_16a,
_floor_mapping_16b
};
static const double rate_mapping_16[4]={
12000.,20000.,44000.,86000.
};
static const double rate_mapping_16_uncoupled[4]={
16000.,28000.,64000.,100000.
};
static const double _global_mapping_16[4]={ 1., 2., 3., 4. };
static const double quality_mapping_16[4]={ -.1,.05,.5,1. };
static const double _psy_compand_16_mapping[4]={ 0., .8, 1., 1.};
static const ve_setup_data_template ve_setup_16_stereo={
3,
rate_mapping_16,
quality_mapping_16,
2,
15000,
19000,
blocksize_16_short,
blocksize_16_long,
_psy_tone_masteratt_16,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_psy_noiseguards_16,
_psy_noisebias_16_impulse,
_psy_noisebias_16_short,
_psy_noisebias_16_short,
_psy_noisebias_16,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_16_mapping,
_psy_compand_16_mapping,
{_noise_start_16,_noise_start_16},
{ _noise_part_16, _noise_part_16},
_noise_thresh_16,
_psy_ath_floater_16,
_psy_ath_abs_16,
_psy_lowpass_16,
_psy_global_44,
_global_mapping_16,
_psy_stereo_modes_16,
_floor_books,
_floor,
2,
_floor_mapping_16,
_mapres_template_16_stereo
};
static const ve_setup_data_template ve_setup_16_uncoupled={
3,
rate_mapping_16_uncoupled,
quality_mapping_16,
-1,
15000,
19000,
blocksize_16_short,
blocksize_16_long,
_psy_tone_masteratt_16,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_psy_noiseguards_16,
_psy_noisebias_16_impulse,
_psy_noisebias_16_short,
_psy_noisebias_16_short,
_psy_noisebias_16,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_16_mapping,
_psy_compand_16_mapping,
{_noise_start_16,_noise_start_16},
{ _noise_part_16, _noise_part_16},
_noise_thresh_16,
_psy_ath_floater_16,
_psy_ath_abs_16,
_psy_lowpass_16,
_psy_global_44,
_global_mapping_16,
_psy_stereo_modes_16,
_floor_books,
_floor,
2,
_floor_mapping_16,
_mapres_template_16_uncoupled
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: 22kHz settings
last mod: $Id: setup_22.h 17026 2010-03-25 05:00:27Z xiphmont $
********************************************************************/
static const double rate_mapping_22[4]={
15000.,20000.,44000.,86000.
};
static const double rate_mapping_22_uncoupled[4]={
16000.,28000.,50000.,90000.
};
static const double _psy_lowpass_22[4]={9.5,11.,30.,99.};
static const ve_setup_data_template ve_setup_22_stereo={
3,
rate_mapping_22,
quality_mapping_16,
2,
19000,
26000,
blocksize_16_short,
blocksize_16_long,
_psy_tone_masteratt_16,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_psy_noiseguards_16,
_psy_noisebias_16_impulse,
_psy_noisebias_16_short,
_psy_noisebias_16_short,
_psy_noisebias_16,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_16_mapping,
_psy_compand_16_mapping,
{_noise_start_16,_noise_start_16},
{ _noise_part_16, _noise_part_16},
_noise_thresh_16,
_psy_ath_floater_16,
_psy_ath_abs_16,
_psy_lowpass_22,
_psy_global_44,
_global_mapping_16,
_psy_stereo_modes_16,
_floor_books,
_floor,
2,
_floor_mapping_16,
_mapres_template_16_stereo
};
static const ve_setup_data_template ve_setup_22_uncoupled={
3,
rate_mapping_22_uncoupled,
quality_mapping_16,
-1,
19000,
26000,
blocksize_16_short,
blocksize_16_long,
_psy_tone_masteratt_16,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_vp_tonemask_adj_16,
_psy_noiseguards_16,
_psy_noisebias_16_impulse,
_psy_noisebias_16_short,
_psy_noisebias_16_short,
_psy_noisebias_16,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_16_mapping,
_psy_compand_16_mapping,
{_noise_start_16,_noise_start_16},
{ _noise_part_16, _noise_part_16},
_noise_thresh_16,
_psy_ath_floater_16,
_psy_ath_abs_16,
_psy_lowpass_22,
_psy_global_44,
_global_mapping_16,
_psy_stereo_modes_16,
_floor_books,
_floor,
2,
_floor_mapping_16,
_mapres_template_16_uncoupled
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel settings for 32kHz
last mod: $Id: setup_32.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/
static const double rate_mapping_32[12]={
18000.,28000.,35000.,45000.,56000.,60000.,
75000.,90000.,100000.,115000.,150000.,190000.,
};
static const double rate_mapping_32_un[12]={
30000.,42000.,52000.,64000.,72000.,78000.,
86000.,92000.,110000.,120000.,140000.,190000.,
};
static const double _psy_lowpass_32[12]={
12.3,13.,13.,14.,15.,99.,99.,99.,99.,99.,99.,99.
};
static const ve_setup_data_template ve_setup_32_stereo={
11,
rate_mapping_32,
quality_mapping_44,
2,
26000,
40000,
blocksize_short_44,
blocksize_long_44,
_psy_tone_masteratt_44,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_otherblock,
_vp_tonemask_adj_longblock,
_vp_tonemask_adj_otherblock,
_psy_noiseguards_44,
_psy_noisebias_impulse,
_psy_noisebias_padding,
_psy_noisebias_trans,
_psy_noisebias_long,
_psy_noise_suppress,
_psy_compand_44,
_psy_compand_short_mapping,
_psy_compand_long_mapping,
{_noise_start_short_44,_noise_start_long_44},
{_noise_part_short_44,_noise_part_long_44},
_noise_thresh_44,
_psy_ath_floater,
_psy_ath_abs,
_psy_lowpass_32,
_psy_global_44,
_global_mapping_44,
_psy_stereo_modes_44,
_floor_books,
_floor,
2,
_floor_mapping_44,
_mapres_template_44_stereo
};
static const ve_setup_data_template ve_setup_32_uncoupled={
11,
rate_mapping_32_un,
quality_mapping_44,
-1,
26000,
40000,
blocksize_short_44,
blocksize_long_44,
_psy_tone_masteratt_44,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_otherblock,
_vp_tonemask_adj_longblock,
_vp_tonemask_adj_otherblock,
_psy_noiseguards_44,
_psy_noisebias_impulse,
_psy_noisebias_padding,
_psy_noisebias_trans,
_psy_noisebias_long,
_psy_noise_suppress,
_psy_compand_44,
_psy_compand_short_mapping,
_psy_compand_long_mapping,
{_noise_start_short_44,_noise_start_long_44},
{_noise_part_short_44,_noise_part_long_44},
_noise_thresh_44,
_psy_ath_floater,
_psy_ath_abs,
_psy_lowpass_32,
_psy_global_44,
_global_mapping_44,
NULL,
_floor_books,
_floor,
2,
_floor_mapping_44,
_mapres_template_44_uncoupled
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel settings for 44.1/48kHz
last mod: $Id: setup_44.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
#include "modes/floor_all.h"
#include "modes/residue_44.h"
#include "modes/psych_44.h"
static const double rate_mapping_44_stereo[12]={
22500.,32000.,40000.,48000.,56000.,64000.,
80000.,96000.,112000.,128000.,160000.,250001.
};
static const double quality_mapping_44[12]={
-.1,.0,.1,.2,.3,.4,.5,.6,.7,.8,.9,1.0
};
static const int blocksize_short_44[11]={
512,256,256,256,256,256,256,256,256,256,256
};
static const int blocksize_long_44[11]={
4096,2048,2048,2048,2048,2048,2048,2048,2048,2048,2048
};
static const double _psy_compand_short_mapping[12]={
0.5, 1., 1., 1.3, 1.6, 2., 2., 2., 2., 2., 2., 2.
};
static const double _psy_compand_long_mapping[12]={
3.5, 4., 4., 4.3, 4.6, 5., 5., 5., 5., 5., 5., 5.
};
static const double _global_mapping_44[12]={
/* 1., 1., 1.5, 2., 2., 2.5, 2.7, 3.0, 3.5, 4., 4. */
0., 1., 1., 1.5, 2., 2., 2.5, 2.7, 3.0, 3.7, 4., 4.
};
static const int _floor_mapping_44a[11]={
1,0,0,2,2,4,5,5,5,5,5
};
static const int _floor_mapping_44b[11]={
8,7,7,7,7,7,7,7,7,7,7
};
static const int _floor_mapping_44c[11]={
10,10,10,10,10,10,10,10,10,10,10
};
static const int *_floor_mapping_44[]={
_floor_mapping_44a,
_floor_mapping_44b,
_floor_mapping_44c,
};
static const ve_setup_data_template ve_setup_44_stereo={
11,
rate_mapping_44_stereo,
quality_mapping_44,
2,
40000,
50000,
blocksize_short_44,
blocksize_long_44,
_psy_tone_masteratt_44,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_otherblock,
_vp_tonemask_adj_longblock,
_vp_tonemask_adj_otherblock,
_psy_noiseguards_44,
_psy_noisebias_impulse,
_psy_noisebias_padding,
_psy_noisebias_trans,
_psy_noisebias_long,
_psy_noise_suppress,
_psy_compand_44,
_psy_compand_short_mapping,
_psy_compand_long_mapping,
{_noise_start_short_44,_noise_start_long_44},
{_noise_part_short_44,_noise_part_long_44},
_noise_thresh_44,
_psy_ath_floater,
_psy_ath_abs,
_psy_lowpass_44,
_psy_global_44,
_global_mapping_44,
_psy_stereo_modes_44,
_floor_books,
_floor,
2,
_floor_mapping_44,
_mapres_template_44_stereo
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel settings for 44.1/48kHz 5.1 surround modes
last mod: $Id: setup_44p51.h 19013 2013-11-12 04:04:50Z giles $
********************************************************************/
#include "modes/residue_44p51.h"
static const double rate_mapping_44p51[12]={
14000.,20000.,28000.,38000.,46000.,54000.,
75000.,96000.,120000.,140000.,180000.,240001.
};
static const ve_setup_data_template ve_setup_44_51={
11,
rate_mapping_44p51,
quality_mapping_44,
6,
40000,
70000,
blocksize_short_44,
blocksize_long_44,
_psy_tone_masteratt_44,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_otherblock,
_vp_tonemask_adj_longblock,
_vp_tonemask_adj_otherblock,
_psy_noiseguards_44,
_psy_noisebias_impulse,
_psy_noisebias_padding,
_psy_noisebias_trans,
_psy_noisebias_long,
_psy_noise_suppress,
_psy_compand_44,
_psy_compand_short_mapping,
_psy_compand_long_mapping,
{_noise_start_short_44,_noise_start_long_44},
{_noise_part_short_44,_noise_part_long_44},
_noise_thresh_44,
_psy_ath_floater,
_psy_ath_abs,
_psy_lowpass_44,
_psy_global_44,
_global_mapping_44,
_psy_stereo_modes_44,
_floor_books,
_floor,
3,
_floor_mapping_44,
_mapres_template_44_51
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel settings for 44.1/48kHz uncoupled modes
last mod: $Id: setup_44u.h 16962 2010-03-11 07:30:34Z xiphmont $
********************************************************************/
#include "modes/residue_44u.h"
static const double rate_mapping_44_un[12]={
32000.,48000.,60000.,70000.,80000.,86000.,
96000.,110000.,120000.,140000.,160000.,240001.
};
static const ve_setup_data_template ve_setup_44_uncoupled={
11,
rate_mapping_44_un,
quality_mapping_44,
-1,
40000,
50000,
blocksize_short_44,
blocksize_long_44,
_psy_tone_masteratt_44,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_otherblock,
_vp_tonemask_adj_longblock,
_vp_tonemask_adj_otherblock,
_psy_noiseguards_44,
_psy_noisebias_impulse,
_psy_noisebias_padding,
_psy_noisebias_trans,
_psy_noisebias_long,
_psy_noise_suppress,
_psy_compand_44,
_psy_compand_short_mapping,
_psy_compand_long_mapping,
{_noise_start_short_44,_noise_start_long_44},
{_noise_part_short_44,_noise_part_long_44},
_noise_thresh_44,
_psy_ath_floater,
_psy_ath_abs,
_psy_lowpass_44,
_psy_global_44,
_global_mapping_44,
_psy_stereo_modes_44,
_floor_books,
_floor,
2,
_floor_mapping_44,
_mapres_template_44_uncoupled
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: 8kHz settings
last mod: $Id: setup_8.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/
#include "psych_8.h"
#include "residue_8.h"
static const int blocksize_8[2]={
512,512
};
static const int _floor_mapping_8a[]={
6,6
};
static const int *_floor_mapping_8[]={
_floor_mapping_8a
};
static const double rate_mapping_8[3]={
6000.,9000.,32000.,
};
static const double rate_mapping_8_uncoupled[3]={
8000.,14000.,42000.,
};
static const double quality_mapping_8[3]={
-.1,.0,1.
};
static const double _psy_compand_8_mapping[3]={ 0., 1., 1.};
static const double _global_mapping_8[3]={ 1., 2., 3. };
static const ve_setup_data_template ve_setup_8_stereo={
2,
rate_mapping_8,
quality_mapping_8,
2,
8000,
9000,
blocksize_8,
blocksize_8,
_psy_tone_masteratt_8,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_8,
NULL,
_vp_tonemask_adj_8,
_psy_noiseguards_8,
_psy_noisebias_8,
_psy_noisebias_8,
NULL,
NULL,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_8_mapping,
NULL,
{_noise_start_8,_noise_start_8},
{_noise_part_8,_noise_part_8},
_noise_thresh_5only,
_psy_ath_floater_8,
_psy_ath_abs_8,
_psy_lowpass_8,
_psy_global_44,
_global_mapping_8,
_psy_stereo_modes_8,
_floor_books,
_floor,
1,
_floor_mapping_8,
_mapres_template_8_stereo
};
static const ve_setup_data_template ve_setup_8_uncoupled={
2,
rate_mapping_8_uncoupled,
quality_mapping_8,
-1,
8000,
9000,
blocksize_8,
blocksize_8,
_psy_tone_masteratt_8,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_8,
NULL,
_vp_tonemask_adj_8,
_psy_noiseguards_8,
_psy_noisebias_8,
_psy_noisebias_8,
NULL,
NULL,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_8_mapping,
NULL,
{_noise_start_8,_noise_start_8},
{_noise_part_8,_noise_part_8},
_noise_thresh_5only,
_psy_ath_floater_8,
_psy_ath_abs_8,
_psy_lowpass_8,
_psy_global_44,
_global_mapping_8,
_psy_stereo_modes_8,
_floor_books,
_floor,
1,
_floor_mapping_8,
_mapres_template_8_uncoupled
};

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: catch-all toplevel settings for q modes only
last mod: $Id: setup_X.h 16894 2010-02-12 20:32:12Z xiphmont $
********************************************************************/
static const double rate_mapping_X[12]={
-1.,-1.,-1.,-1.,-1.,-1.,
-1.,-1.,-1.,-1.,-1.,-1.
};
static const ve_setup_data_template ve_setup_X_stereo={
11,
rate_mapping_X,
quality_mapping_44,
2,
50000,
200000,
blocksize_short_44,
blocksize_long_44,
_psy_tone_masteratt_44,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_otherblock,
_vp_tonemask_adj_longblock,
_vp_tonemask_adj_otherblock,
_psy_noiseguards_44,
_psy_noisebias_impulse,
_psy_noisebias_padding,
_psy_noisebias_trans,
_psy_noisebias_long,
_psy_noise_suppress,
_psy_compand_44,
_psy_compand_short_mapping,
_psy_compand_long_mapping,
{_noise_start_short_44,_noise_start_long_44},
{_noise_part_short_44,_noise_part_long_44},
_noise_thresh_44,
_psy_ath_floater,
_psy_ath_abs,
_psy_lowpass_44,
_psy_global_44,
_global_mapping_44,
_psy_stereo_modes_44,
_floor_books,
_floor,
2,
_floor_mapping_44,
_mapres_template_44_stereo
};
static const ve_setup_data_template ve_setup_X_uncoupled={
11,
rate_mapping_X,
quality_mapping_44,
-1,
50000,
200000,
blocksize_short_44,
blocksize_long_44,
_psy_tone_masteratt_44,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_otherblock,
_vp_tonemask_adj_longblock,
_vp_tonemask_adj_otherblock,
_psy_noiseguards_44,
_psy_noisebias_impulse,
_psy_noisebias_padding,
_psy_noisebias_trans,
_psy_noisebias_long,
_psy_noise_suppress,
_psy_compand_44,
_psy_compand_short_mapping,
_psy_compand_long_mapping,
{_noise_start_short_44,_noise_start_long_44},
{_noise_part_short_44,_noise_part_long_44},
_noise_thresh_44,
_psy_ath_floater,
_psy_ath_abs,
_psy_lowpass_44,
_psy_global_44,
_global_mapping_44,
NULL,
_floor_books,
_floor,
2,
_floor_mapping_44,
_mapres_template_44_uncoupled
};
static const ve_setup_data_template ve_setup_XX_stereo={
2,
rate_mapping_X,
quality_mapping_8,
2,
0,
8000,
blocksize_8,
blocksize_8,
_psy_tone_masteratt_8,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_8,
NULL,
_vp_tonemask_adj_8,
_psy_noiseguards_8,
_psy_noisebias_8,
_psy_noisebias_8,
NULL,
NULL,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_8_mapping,
NULL,
{_noise_start_8,_noise_start_8},
{_noise_part_8,_noise_part_8},
_noise_thresh_5only,
_psy_ath_floater_8,
_psy_ath_abs_8,
_psy_lowpass_8,
_psy_global_44,
_global_mapping_8,
_psy_stereo_modes_8,
_floor_books,
_floor,
1,
_floor_mapping_8,
_mapres_template_8_stereo
};
static const ve_setup_data_template ve_setup_XX_uncoupled={
2,
rate_mapping_X,
quality_mapping_8,
-1,
0,
8000,
blocksize_8,
blocksize_8,
_psy_tone_masteratt_8,
_psy_tone_0dB,
_psy_tone_suppress,
_vp_tonemask_adj_8,
NULL,
_vp_tonemask_adj_8,
_psy_noiseguards_8,
_psy_noisebias_8,
_psy_noisebias_8,
NULL,
NULL,
_psy_noise_suppress,
_psy_compand_8,
_psy_compand_8_mapping,
NULL,
{_noise_start_8,_noise_start_8},
{_noise_part_8,_noise_part_8},
_noise_thresh_5only,
_psy_ath_floater_8,
_psy_ath_abs_8,
_psy_lowpass_8,
_psy_global_44,
_global_mapping_8,
_psy_stereo_modes_8,
_floor_books,
_floor,
1,
_floor_mapping_8,
_mapres_template_8_uncoupled
};

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#ifndef _OS_H
#define _OS_H
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: #ifdef jail to whip a few platforms into the UNIX ideal.
last mod: $Id: os.h 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <math.h>
#include <ogg/os_types.h>
#include "misc.h"
#ifndef _V_IFDEFJAIL_H_
# define _V_IFDEFJAIL_H_
# ifdef __GNUC__
# define STIN static __inline__
# elif _WIN32
# define STIN static __inline
# else
# define STIN static
# endif
#ifdef DJGPP
# define rint(x) (floor((x)+0.5f))
#endif
#ifndef M_PI
# define M_PI (3.1415926536f)
#endif
#if defined(_WIN32) && !defined(__SYMBIAN32__)
# include <malloc.h>
# define rint(x) (floor((x)+0.5f))
# define NO_FLOAT_MATH_LIB
# define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b))
#endif
#if defined(__SYMBIAN32__) && defined(__WINS__)
void *_alloca(size_t size);
# define alloca _alloca
#endif
#ifndef FAST_HYPOT
# define FAST_HYPOT hypot
#endif
#endif
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
#endif
#ifdef USE_MEMORY_H
# include <memory.h>
#endif
#ifndef min
# define min(x,y) ((x)>(y)?(y):(x))
#endif
#ifndef max
# define max(x,y) ((x)<(y)?(y):(x))
#endif
/* Special i386 GCC implementation */
#if defined(__i386__) && defined(__GNUC__) && !defined(__BEOS__)
# define VORBIS_FPU_CONTROL
/* both GCC and MSVC are kinda stupid about rounding/casting to int.
Because of encapsulation constraints (GCC can't see inside the asm
block and so we end up doing stupid things like a store/load that
is collectively a noop), we do it this way */
/* we must set up the fpu before this works!! */
typedef ogg_int16_t vorbis_fpu_control;
static inline void vorbis_fpu_setround(vorbis_fpu_control *fpu){
ogg_int16_t ret;
ogg_int16_t temp;
__asm__ __volatile__("fnstcw %0\n\t"
"movw %0,%%dx\n\t"
"andw $62463,%%dx\n\t"
"movw %%dx,%1\n\t"
"fldcw %1\n\t":"=m"(ret):"m"(temp): "dx");
*fpu=ret;
}
static inline void vorbis_fpu_restore(vorbis_fpu_control fpu){
__asm__ __volatile__("fldcw %0":: "m"(fpu));
}
/* assumes the FPU is in round mode! */
static inline int vorbis_ftoi(double f){ /* yes, double! Otherwise,
we get extra fst/fld to
truncate precision */
int i;
__asm__("fistl %0": "=m"(i) : "t"(f));
return(i);
}
#endif /* Special i386 GCC implementation */
/* MSVC inline assembly. 32 bit only; inline ASM isn't implemented in the
* 64 bit compiler and doesn't work on arm. */
#if defined(_MSC_VER) && !defined(_WIN64) && \
!defined(_WIN32_WCE) && !defined(_M_ARM)
# define VORBIS_FPU_CONTROL
typedef ogg_int16_t vorbis_fpu_control;
static __inline int vorbis_ftoi(double f){
int i;
__asm{
fld f
fistp i
}
return i;
}
static __inline void vorbis_fpu_setround(vorbis_fpu_control *fpu){
(void)fpu;
}
static __inline void vorbis_fpu_restore(vorbis_fpu_control fpu){
(void)fpu;
}
#endif /* Special MSVC 32 bit implementation */
/* Optimized code path for x86_64 builds. Uses SSE2 intrinsics. This can be
done safely because all x86_64 CPUs supports SSE2. */
#if (defined(_MSC_VER) && defined(_WIN64)) || (defined(__GNUC__) && defined (__x86_64__))
# define VORBIS_FPU_CONTROL
typedef ogg_int16_t vorbis_fpu_control;
#include <emmintrin.h>
static __inline int vorbis_ftoi(double f){
return _mm_cvtsd_si32(_mm_load_sd(&f));
}
static __inline void vorbis_fpu_setround(vorbis_fpu_control *fpu){
(void)fpu;
}
static __inline void vorbis_fpu_restore(vorbis_fpu_control fpu){
(void)fpu;
}
#endif /* Special MSVC x64 implementation */
/* If no special implementation was found for the current compiler / platform,
use the default implementation here: */
#ifndef VORBIS_FPU_CONTROL
typedef int vorbis_fpu_control;
static int vorbis_ftoi(double f){
/* Note: MSVC and GCC (at least on some systems) round towards zero, thus,
the floor() call is required to ensure correct roudning of
negative numbers */
return (int)floor(f+.5);
}
/* We don't have special code for this compiler/arch, so do it the slow way */
# define vorbis_fpu_setround(vorbis_fpu_control) {}
# define vorbis_fpu_restore(vorbis_fpu_control) {}
#endif /* default implementation */
#endif /* _OS_H */

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: random psychoacoustics (not including preecho)
last mod: $Id: psy.h 16946 2010-03-03 16:12:40Z xiphmont $
********************************************************************/
#ifndef _V_PSY_H_
#define _V_PSY_H_
#include "smallft.h"
#include "backends.h"
#include "envelope.h"
#ifndef EHMER_MAX
#define EHMER_MAX 56
#endif
/* psychoacoustic setup ********************************************/
#define P_BANDS 17 /* 62Hz to 16kHz */
#define P_LEVELS 8 /* 30dB to 100dB */
#define P_LEVEL_0 30. /* 30 dB */
#define P_NOISECURVES 3
#define NOISE_COMPAND_LEVELS 40
typedef struct vorbis_info_psy{
int blockflag;
float ath_adjatt;
float ath_maxatt;
float tone_masteratt[P_NOISECURVES];
float tone_centerboost;
float tone_decay;
float tone_abs_limit;
float toneatt[P_BANDS];
int noisemaskp;
float noisemaxsupp;
float noisewindowlo;
float noisewindowhi;
int noisewindowlomin;
int noisewindowhimin;
int noisewindowfixed;
float noiseoff[P_NOISECURVES][P_BANDS];
float noisecompand[NOISE_COMPAND_LEVELS];
float max_curve_dB;
int normal_p;
int normal_start;
int normal_partition;
double normal_thresh;
} vorbis_info_psy;
typedef struct{
int eighth_octave_lines;
/* for block long/short tuning; encode only */
float preecho_thresh[VE_BANDS];
float postecho_thresh[VE_BANDS];
float stretch_penalty;
float preecho_minenergy;
float ampmax_att_per_sec;
/* channel coupling config */
int coupling_pkHz[PACKETBLOBS];
int coupling_pointlimit[2][PACKETBLOBS];
int coupling_prepointamp[PACKETBLOBS];
int coupling_postpointamp[PACKETBLOBS];
int sliding_lowpass[2][PACKETBLOBS];
} vorbis_info_psy_global;
typedef struct {
float ampmax;
int channels;
vorbis_info_psy_global *gi;
int coupling_pointlimit[2][P_NOISECURVES];
} vorbis_look_psy_global;
typedef struct {
int n;
struct vorbis_info_psy *vi;
float ***tonecurves;
float **noiseoffset;
float *ath;
long *octave; /* in n.ocshift format */
long *bark;
long firstoc;
long shiftoc;
int eighth_octave_lines; /* power of two, please */
int total_octave_lines;
long rate; /* cache it */
float m_val; /* Masking compensation value */
} vorbis_look_psy;
extern void _vp_psy_init(vorbis_look_psy *p,vorbis_info_psy *vi,
vorbis_info_psy_global *gi,int n,long rate);
extern void _vp_psy_clear(vorbis_look_psy *p);
extern void *_vi_psy_dup(void *source);
extern void _vi_psy_free(vorbis_info_psy *i);
extern vorbis_info_psy *_vi_psy_copy(vorbis_info_psy *i);
extern void _vp_noisemask(vorbis_look_psy *p,
float *logmdct,
float *logmask);
extern void _vp_tonemask(vorbis_look_psy *p,
float *logfft,
float *logmask,
float global_specmax,
float local_specmax);
extern void _vp_offset_and_mix(vorbis_look_psy *p,
float *noise,
float *tone,
int offset_select,
float *logmask,
float *mdct,
float *logmdct);
extern float _vp_ampmax_decay(float amp,vorbis_dsp_state *vd);
extern void _vp_couple_quantize_normalize(int blobno,
vorbis_info_psy_global *g,
vorbis_look_psy *p,
vorbis_info_mapping0 *vi,
float **mdct,
int **iwork,
int *nonzero,
int sliding_lowpass,
int ch);
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: simple utility that runs audio through the psychoacoustics
without encoding
last mod: $Id: psytune.c 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
/* NB: this is dead code, retained purely for doc and reference value
don't try to compile it */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "os.h"
#include "misc.h"
#include "psy.h"
#include "mdct.h"
#include "smallft.h"
#include "window.h"
#include "scales.h"
#include "lpc.h"
#include "lsp.h"
#include "masking.h"
#include "registry.h"
static vorbis_info_psy_global _psy_set0G={
0, /* decaydBpms */
8, /* lines per eighth octave */
/* thresh sample period, preecho clamp trigger threshhold, range, minenergy */
256, {26.f,26.f,26.f,30.f}, {-90.f,-90.f,-90.f,-90.f}, -90.f,
-6.f,
0,
0.,
0.,
};
static vp_part _vp_part0[]={
{ 1,9e10f, 9e10f, 1.f,9999.f},
{ 9999, .75f, 9e10f, .5f,9999.f},
/*{ 9999, 1.5f, 9e10f, .5f,9999.f},*/
{ 18,9e10f, 9e10f, .5f, 30.f},
{ 9999,9e10f, 9e10f, .5f, 30.f}
};
static vp_couple _vp_couple0[]={
{ 1, {9e10f,9e10f,0}, { 0.f, 0.f,0}, { 0.f, 0.f,0}, {0.f,0.f,0}},
{ 18, {9e10f,9e10f,0}, { 0.f, 0.f,0}, { 0.f, 0.f,0}, {0.f,0.f,0}},
{ 9999, {9e10f,9e10f,0}, { 0.f, 9e10f,0}, { 0.f,22.f,1}, {0.f,0.f,0}}
};
static vorbis_info_psy _psy_set0={
ATH_Bark_dB_lineaggressive,
-100.f,
-140.f,
6.f, /* floor master att */
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 */
/* x: 63 88 125 175 250 350 500 700 1k 1.4k 2k 2.8k 4k 5.6k 8k 11.5k 16k Hz */
/* y: 0 10 20 30 40 50 60 70 80 90 100 dB */
1, /* tonemaskp */
0.f, /* tone master att */
/* 0 10 20 30 40 50 60 70 80 90 100 */
{
{-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*63*/
{-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*88*/
{-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*125*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*175*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*250*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*350*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*500*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*700*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*1000*/
{-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*1400*/
{-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*2000*/
{-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*2800*/
{-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*4000*/
{-30.f,-35.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*5600*/
{-30.f,-30.f,-33.f,-35.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*8000*/
{-30.f,-30.f,-33.f,-35.f,-40.f,-45.f,-50.f,-60.f,-70.f,-85.f,-100.f}, /*11500*/
{-24.f,-24.f,-26.f,-32.f,-32.f,-42.f,-50.f,-60.f,-70.f,-85.f,-100.f}, /*16000*/
},
1,/* peakattp */
{{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*63*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*88*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*125*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*175*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*250*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*350*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*500*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*700*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*1000*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*1400*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*2000*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*2800*/
{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*4000*/
{-10.f,-12.f,-14.f,-16.f,-16.f,-20.f,-24.f,-30.f,-32.f,-40.f,-40.f},/*5600*/
{-10.f,-12.f,-14.f,-16.f,-16.f,-20.f,-24.f,-30.f,-32.f,-40.f,-40.f},/*8000*/
{-10.f,-10.f,-10.f,-12.f,-14.f,-18.f,-22.f,-28.f,-32.f,-40.f,-40.f},/*11500*/
{-10.f,-10.f,-10.f,-12.f,-14.f,-18.f,-22.f,-28.f,-32.f,-40.f,-40.f},/*16000*/
},
1,/*noisemaskp */
-10.f, /* suppress any noise curve over maxspec+n */
.5f, /* low window */
.5f, /* high window */
10,
10,
25,
{.000f, 0.f, /*63*/
.000f, 0.f, /*88*/
.000f, 0.f, /*125*/
.000f, 0.f, /*175*/
.000f, 0.f, /*250*/
.000f, 0.f, /*350*/
.000f, 0.f, /*500*/
.000f, 0.f, /*700*/
.000f, 0.f, /*1000*/
.300f, 0.f, /*1400*/
.300f, 0.f, /*2000*/
.300f, 0.f, /*2800*/
.500f, 0.f, /*4000*/
.700f, 0.f, /*5600*/
.850f, 0.f, /*8000*/
.900f, 0.f, /*11500*/
.900f, 1.f, /*16000*/
},
95.f, /* even decade + 5 is important; saves an rint() later in a
tight loop) */
-44.,
32,
_vp_part0,_vp_couple0
};
static vorbis_info_floor1 _floor_set0={1,
{0},
{32},
{0},
{0},
{{-1}},
2,
{0,1024,
88,31,243,
14,54,143,460,
6,3,10, 22,18,26, 41,36,47,
69,61,78, 112,99,126, 185,162,211,
329,282,387, 672,553,825
},
60,30,400,
20,8,1,18.,
20,600,
960};
static vorbis_info_mapping0 mapping_info={1,{0,1},{0},{0},{0},0, 1, {0},{1}};
static codec_setup_info codec_setup0={ {0,0},
1,1,1,1,1,0,1,
{NULL},
{0},{&mapping_info},
{0},{NULL},
{1},{&_floor_set0},
{2},{NULL},
{NULL},
{&_psy_set0},
&_psy_set0G};
static int noisy=0;
void analysis(char *base,int i,float *v,int n,int bark,int dB){
if(noisy){
int j;
FILE *of;
char buffer[80];
sprintf(buffer,"%s_%d.m",base,i);
of=fopen(buffer,"w");
for(j=0;j<n;j++){
if(dB && v[j]==0)
fprintf(of,"\n\n");
else{
if(bark)
fprintf(of,"%g ",toBARK(22050.f*j/n));
else
fprintf(of,"%g ",(float)j);
if(dB){
fprintf(of,"%g\n",todB(v+j));
}else{
fprintf(of,"%g\n",v[j]);
}
}
}
fclose(of);
}
}
long frameno=0;
/****************************************************************/
int main(int argc,char *argv[]){
int eos=0;
float nonz=0.f;
float acc=0.f;
float tot=0.f;
float ampmax=-9999,newmax;
float local_ampmax[2];
int framesize=2048;
float ampmax_att_per_sec=-6.;
float *pcm[2],*out[2],*window,*flr[2],*mask[2],*work[2];
signed char *buffer,*buffer2;
mdct_lookup m_look;
drft_lookup f_look;
vorbis_look_psy p_look;
vorbis_look_psy_global *pg_look;
vorbis_look_floor *floor_look;
vorbis_info vi;
long i,j,k;
int ath=0;
int decayp=0;
argv++;
while(*argv){
if(*argv[0]=='-'){
/* option */
if(argv[0][1]=='v'){
noisy=0;
}
}else
if(*argv[0]=='+'){
/* option */
if(argv[0][1]=='v'){
noisy=1;
}
}else
framesize=atoi(argv[0]);
argv++;
}
vi.channels=2;
vi.codec_setup=&codec_setup0;
pcm[0]=_ogg_malloc(framesize*sizeof(float));
pcm[1]=_ogg_malloc(framesize*sizeof(float));
out[0]=_ogg_calloc(framesize/2,sizeof(float));
out[1]=_ogg_calloc(framesize/2,sizeof(float));
work[0]=_ogg_calloc(framesize,sizeof(float));
work[1]=_ogg_calloc(framesize,sizeof(float));
flr[0]=_ogg_calloc(framesize/2,sizeof(float));
flr[1]=_ogg_calloc(framesize/2,sizeof(float));
buffer=_ogg_malloc(framesize*4);
buffer2=buffer+framesize*2;
window=_vorbis_window_create(0,framesize,framesize/2,framesize/2);
mdct_init(&m_look,framesize);
drft_init(&f_look,framesize);
_vp_psy_init(&p_look,&_psy_set0,&_psy_set0G,framesize/2,44100);
pg_look=_vp_global_look(&vi);
floor_look=_floor_P[1]->look(NULL,NULL,&_floor_set0);
/* we cheat on the WAV header; we just bypass 44 bytes and never
verify that it matches 16bit/stereo/44.1kHz. */
fread(buffer,1,44,stdin);
fwrite(buffer,1,44,stdout);
memset(buffer,0,framesize*2);
analysis("window",0,window,framesize,0,0);
fprintf(stderr,"Processing for frame size %d...\n",framesize);
while(!eos){
long bytes=fread(buffer2,1,framesize*2,stdin);
if(bytes<framesize*2)
memset(buffer2+bytes,0,framesize*2-bytes);
if(bytes!=0){
int nonzero[2];
/* uninterleave samples */
for(i=0;i<framesize;i++){
pcm[0][i]=((buffer[i*4+1]<<8)|
(0x00ff&(int)buffer[i*4]))/32768.f;
pcm[1][i]=((buffer[i*4+3]<<8)|
(0x00ff&(int)buffer[i*4+2]))/32768.f;
}
{
float secs=framesize/44100.;
ampmax+=secs*ampmax_att_per_sec;
if(ampmax<-9999)ampmax=-9999;
}
for(i=0;i<2;i++){
float scale=4.f/framesize;
float *fft=work[i];
float *mdct=pcm[i];
float *logmdct=mdct+framesize/2;
analysis("pre",frameno+i,pcm[i],framesize,0,0);
/* fft and mdct transforms */
for(j=0;j<framesize;j++)
fft[j]=pcm[i][j]*=window[j];
drft_forward(&f_look,fft);
local_ampmax[i]=-9999.f;
fft[0]*=scale;
fft[0]=todB(fft);
for(j=1;j<framesize-1;j+=2){
float temp=scale*FAST_HYPOT(fft[j],fft[j+1]);
temp=fft[(j+1)>>1]=todB(&temp);
if(temp>local_ampmax[i])local_ampmax[i]=temp;
}
if(local_ampmax[i]>ampmax)ampmax=local_ampmax[i];
mdct_forward(&m_look,pcm[i],mdct);
for(j=0;j<framesize/2;j++)
logmdct[j]=todB(mdct+j);
analysis("mdct",frameno+i,logmdct,framesize/2,1,0);
analysis("fft",frameno+i,fft,framesize/2,1,0);
}
for(i=0;i<2;i++){
float amp;
float *fft=work[i];
float *logmax=fft;
float *mdct=pcm[i];
float *logmdct=mdct+framesize/2;
float *mask=fft+framesize/2;
/* floor psychoacoustics */
_vp_compute_mask(&p_look,
pg_look,
i,
fft,
logmdct,
mask,
ampmax,
local_ampmax[i],
framesize/2);
analysis("mask",frameno+i,mask,framesize/2,1,0);
{
vorbis_block vb;
vorbis_dsp_state vd;
memset(&vd,0,sizeof(vd));
vd.vi=&vi;
vb.vd=&vd;
vb.pcmend=framesize;
/* floor quantization/application */
nonzero[i]=_floor_P[1]->forward(&vb,floor_look,
mdct,
logmdct,
mask,
logmax,
flr[i]);
}
_vp_remove_floor(&p_look,
pg_look,
logmdct,
mdct,
flr[i],
pcm[i],
local_ampmax[i]);
for(j=0;j<framesize/2;j++)
if(fabs(pcm[i][j])>1500)
fprintf(stderr,"%ld ",frameno+i);
analysis("res",frameno+i,pcm[i],framesize/2,1,0);
analysis("codedflr",frameno+i,flr[i],framesize/2,1,1);
}
/* residue prequantization */
_vp_partition_prequant(&p_look,
&vi,
pcm,
nonzero);
for(i=0;i<2;i++)
analysis("quant",frameno+i,pcm[i],framesize/2,1,0);
/* channel coupling / stereo quantization */
_vp_couple(&p_look,
&mapping_info,
pcm,
nonzero);
for(i=0;i<2;i++)
analysis("coupled",frameno+i,pcm[i],framesize/2,1,0);
/* decoupling */
for(i=mapping_info.coupling_steps-1;i>=0;i--){
float *pcmM=pcm[mapping_info.coupling_mag[i]];
float *pcmA=pcm[mapping_info.coupling_ang[i]];
for(j=0;j<framesize/2;j++){
float mag=pcmM[j];
float ang=pcmA[j];
if(mag>0)
if(ang>0){
pcmM[j]=mag;
pcmA[j]=mag-ang;
}else{
pcmA[j]=mag;
pcmM[j]=mag+ang;
}
else
if(ang>0){
pcmM[j]=mag;
pcmA[j]=mag+ang;
}else{
pcmA[j]=mag;
pcmM[j]=mag-ang;
}
}
}
for(i=0;i<2;i++)
analysis("decoupled",frameno+i,pcm[i],framesize/2,1,0);
for(i=0;i<2;i++){
float amp;
for(j=0;j<framesize/2;j++)
pcm[i][j]*=flr[i][j];
analysis("final",frameno+i,pcm[i],framesize/2,1,1);
/* take it back to time */
mdct_backward(&m_look,pcm[i],pcm[i]);
for(j=0;j<framesize/2;j++)
out[i][j]+=pcm[i][j]*window[j];
analysis("out",frameno+i,out[i],framesize/2,0,0);
}
/* write data. Use the part of buffer we're about to shift out */
for(i=0;i<2;i++){
char *ptr=buffer+i*2;
float *mono=out[i];
int flag=0;
for(j=0;j<framesize/2;j++){
int val=mono[j]*32767.;
/* might as well guard against clipping */
if(val>32767){
if(!flag)fprintf(stderr,"clipping in frame %ld ",frameno+i);
flag=1;
val=32767;
}
if(val<-32768){
if(!flag)fprintf(stderr,"clipping in frame %ld ",frameno+i);
flag=1;
val=-32768;
}
ptr[0]=val&0xff;
ptr[1]=(val>>8)&0xff;
ptr+=4;
}
}
fprintf(stderr,"*");
fwrite(buffer,1,framesize*2,stdout);
memmove(buffer,buffer2,framesize*2);
for(i=0;i<2;i++){
for(j=0,k=framesize/2;j<framesize/2;j++,k++)
out[i][j]=pcm[i][k]*window[k];
}
frameno+=2;
}else
eos=1;
}
fprintf(stderr,"average raw bits of entropy: %.03g/sample\n",acc/tot);
fprintf(stderr,"average nonzero samples: %.03g/%d\n",nonz/tot*framesize/2,
framesize/2);
fprintf(stderr,"Done\n\n");
return 0;
}

45
Sources/libvorbis/lib/registry.c Normal file
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@ -0,0 +1,45 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: registry for time, floor, res backends and channel mappings
last mod: $Id: registry.c 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "registry.h"
#include "misc.h"
/* seems like major overkill now; the backend numbers will grow into
the infrastructure soon enough */
extern const vorbis_func_floor floor0_exportbundle;
extern const vorbis_func_floor floor1_exportbundle;
extern const vorbis_func_residue residue0_exportbundle;
extern const vorbis_func_residue residue1_exportbundle;
extern const vorbis_func_residue residue2_exportbundle;
extern const vorbis_func_mapping mapping0_exportbundle;
const vorbis_func_floor *const _floor_P[]={
&floor0_exportbundle,
&floor1_exportbundle,
};
const vorbis_func_residue *const _residue_P[]={
&residue0_exportbundle,
&residue1_exportbundle,
&residue2_exportbundle,
};
const vorbis_func_mapping *const _mapping_P[]={
&mapping0_exportbundle,
};

32
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: registry for time, floor, res backends and channel mappings
last mod: $Id: registry.h 15531 2008-11-24 23:50:06Z xiphmont $
********************************************************************/
#ifndef _V_REG_H_
#define _V_REG_H_
#define VI_TRANSFORMB 1
#define VI_WINDOWB 1
#define VI_TIMEB 1
#define VI_FLOORB 2
#define VI_RESB 3
#define VI_MAPB 1
extern const vorbis_func_floor *const _floor_P[];
extern const vorbis_func_residue *const _residue_P[];
extern const vorbis_func_mapping *const _mapping_P[];
#endif

890
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: residue backend 0, 1 and 2 implementation
last mod: $Id: res0.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
/* Slow, slow, slow, simpleminded and did I mention it was slow? The
encode/decode loops are coded for clarity and performance is not
yet even a nagging little idea lurking in the shadows. Oh and BTW,
it's slow. */
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "registry.h"
#include "codebook.h"
#include "misc.h"
#include "os.h"
//#define TRAIN_RES 1
//#define TRAIN_RESAUX 1
#if defined(TRAIN_RES) || defined (TRAIN_RESAUX)
#include <stdio.h>
#endif
typedef struct {
vorbis_info_residue0 *info;
int parts;
int stages;
codebook *fullbooks;
codebook *phrasebook;
codebook ***partbooks;
int partvals;
int **decodemap;
long postbits;
long phrasebits;
long frames;
#if defined(TRAIN_RES) || defined(TRAIN_RESAUX)
int train_seq;
long *training_data[8][64];
float training_max[8][64];
float training_min[8][64];
float tmin;
float tmax;
int submap;
#endif
} vorbis_look_residue0;
void res0_free_info(vorbis_info_residue *i){
vorbis_info_residue0 *info=(vorbis_info_residue0 *)i;
if(info){
memset(info,0,sizeof(*info));
_ogg_free(info);
}
}
void res0_free_look(vorbis_look_residue *i){
int j;
if(i){
vorbis_look_residue0 *look=(vorbis_look_residue0 *)i;
#ifdef TRAIN_RES
{
int j,k,l;
for(j=0;j<look->parts;j++){
/*fprintf(stderr,"partition %d: ",j);*/
for(k=0;k<8;k++)
if(look->training_data[k][j]){
char buffer[80];
FILE *of;
codebook *statebook=look->partbooks[j][k];
/* long and short into the same bucket by current convention */
sprintf(buffer,"res_sub%d_part%d_pass%d.vqd",look->submap,j,k);
of=fopen(buffer,"a");
for(l=0;l<statebook->entries;l++)
fprintf(of,"%d:%ld\n",l,look->training_data[k][j][l]);
fclose(of);
/*fprintf(stderr,"%d(%.2f|%.2f) ",k,
look->training_min[k][j],look->training_max[k][j]);*/
_ogg_free(look->training_data[k][j]);
look->training_data[k][j]=NULL;
}
/*fprintf(stderr,"\n");*/
}
}
fprintf(stderr,"min/max residue: %g::%g\n",look->tmin,look->tmax);
/*fprintf(stderr,"residue bit usage %f:%f (%f total)\n",
(float)look->phrasebits/look->frames,
(float)look->postbits/look->frames,
(float)(look->postbits+look->phrasebits)/look->frames);*/
#endif
/*vorbis_info_residue0 *info=look->info;
fprintf(stderr,
"%ld frames encoded in %ld phrasebits and %ld residue bits "
"(%g/frame) \n",look->frames,look->phrasebits,
look->resbitsflat,
(look->phrasebits+look->resbitsflat)/(float)look->frames);
for(j=0;j<look->parts;j++){
long acc=0;
fprintf(stderr,"\t[%d] == ",j);
for(k=0;k<look->stages;k++)
if((info->secondstages[j]>>k)&1){
fprintf(stderr,"%ld,",look->resbits[j][k]);
acc+=look->resbits[j][k];
}
fprintf(stderr,":: (%ld vals) %1.2fbits/sample\n",look->resvals[j],
acc?(float)acc/(look->resvals[j]*info->grouping):0);
}
fprintf(stderr,"\n");*/
for(j=0;j<look->parts;j++)
if(look->partbooks[j])_ogg_free(look->partbooks[j]);
_ogg_free(look->partbooks);
for(j=0;j<look->partvals;j++)
_ogg_free(look->decodemap[j]);
_ogg_free(look->decodemap);
memset(look,0,sizeof(*look));
_ogg_free(look);
}
}
static int icount(unsigned int v){
int ret=0;
while(v){
ret+=v&1;
v>>=1;
}
return(ret);
}
void res0_pack(vorbis_info_residue *vr,oggpack_buffer *opb){
vorbis_info_residue0 *info=(vorbis_info_residue0 *)vr;
int j,acc=0;
oggpack_write(opb,info->begin,24);
oggpack_write(opb,info->end,24);
oggpack_write(opb,info->grouping-1,24); /* residue vectors to group and
code with a partitioned book */
oggpack_write(opb,info->partitions-1,6); /* possible partition choices */
oggpack_write(opb,info->groupbook,8); /* group huffman book */
/* secondstages is a bitmask; as encoding progresses pass by pass, a
bitmask of one indicates this partition class has bits to write
this pass */
for(j=0;j<info->partitions;j++){
if(ov_ilog(info->secondstages[j])>3){
/* yes, this is a minor hack due to not thinking ahead */
oggpack_write(opb,info->secondstages[j],3);
oggpack_write(opb,1,1);
oggpack_write(opb,info->secondstages[j]>>3,5);
}else
oggpack_write(opb,info->secondstages[j],4); /* trailing zero */
acc+=icount(info->secondstages[j]);
}
for(j=0;j<acc;j++)
oggpack_write(opb,info->booklist[j],8);
}
/* vorbis_info is for range checking */
vorbis_info_residue *res0_unpack(vorbis_info *vi,oggpack_buffer *opb){
int j,acc=0;
vorbis_info_residue0 *info=_ogg_calloc(1,sizeof(*info));
codec_setup_info *ci=vi->codec_setup;
info->begin=oggpack_read(opb,24);
info->end=oggpack_read(opb,24);
info->grouping=oggpack_read(opb,24)+1;
info->partitions=oggpack_read(opb,6)+1;
info->groupbook=oggpack_read(opb,8);
/* check for premature EOP */
if(info->groupbook<0)goto errout;
for(j=0;j<info->partitions;j++){
int cascade=oggpack_read(opb,3);
int cflag=oggpack_read(opb,1);
if(cflag<0) goto errout;
if(cflag){
int c=oggpack_read(opb,5);
if(c<0) goto errout;
cascade|=(c<<3);
}
info->secondstages[j]=cascade;
acc+=icount(cascade);
}
for(j=0;j<acc;j++){
int book=oggpack_read(opb,8);
if(book<0) goto errout;
info->booklist[j]=book;
}
if(info->groupbook>=ci->books)goto errout;
for(j=0;j<acc;j++){
if(info->booklist[j]>=ci->books)goto errout;
if(ci->book_param[info->booklist[j]]->maptype==0)goto errout;
}
/* verify the phrasebook is not specifying an impossible or
inconsistent partitioning scheme. */
/* modify the phrasebook ranging check from r16327; an early beta
encoder had a bug where it used an oversized phrasebook by
accident. These files should continue to be playable, but don't
allow an exploit */
{
int entries = ci->book_param[info->groupbook]->entries;
int dim = ci->book_param[info->groupbook]->dim;
int partvals = 1;
if (dim<1) goto errout;
while(dim>0){
partvals *= info->partitions;
if(partvals > entries) goto errout;
dim--;
}
info->partvals = partvals;
}
return(info);
errout:
res0_free_info(info);
return(NULL);
}
vorbis_look_residue *res0_look(vorbis_dsp_state *vd,
vorbis_info_residue *vr){
vorbis_info_residue0 *info=(vorbis_info_residue0 *)vr;
vorbis_look_residue0 *look=_ogg_calloc(1,sizeof(*look));
codec_setup_info *ci=vd->vi->codec_setup;
int j,k,acc=0;
int dim;
int maxstage=0;
look->info=info;
look->parts=info->partitions;
look->fullbooks=ci->fullbooks;
look->phrasebook=ci->fullbooks+info->groupbook;
dim=look->phrasebook->dim;
look->partbooks=_ogg_calloc(look->parts,sizeof(*look->partbooks));
for(j=0;j<look->parts;j++){
int stages=ov_ilog(info->secondstages[j]);
if(stages){
if(stages>maxstage)maxstage=stages;
look->partbooks[j]=_ogg_calloc(stages,sizeof(*look->partbooks[j]));
for(k=0;k<stages;k++)
if(info->secondstages[j]&(1<<k)){
look->partbooks[j][k]=ci->fullbooks+info->booklist[acc++];
#ifdef TRAIN_RES
look->training_data[k][j]=_ogg_calloc(look->partbooks[j][k]->entries,
sizeof(***look->training_data));
#endif
}
}
}
look->partvals=1;
for(j=0;j<dim;j++)
look->partvals*=look->parts;
look->stages=maxstage;
look->decodemap=_ogg_malloc(look->partvals*sizeof(*look->decodemap));
for(j=0;j<look->partvals;j++){
long val=j;
long mult=look->partvals/look->parts;
look->decodemap[j]=_ogg_malloc(dim*sizeof(*look->decodemap[j]));
for(k=0;k<dim;k++){
long deco=val/mult;
val-=deco*mult;
mult/=look->parts;
look->decodemap[j][k]=deco;
}
}
#if defined(TRAIN_RES) || defined (TRAIN_RESAUX)
{
static int train_seq=0;
look->train_seq=train_seq++;
}
#endif
return(look);
}
/* break an abstraction and copy some code for performance purposes */
static int local_book_besterror(codebook *book,int *a){
int dim=book->dim;
int i,j,o;
int minval=book->minval;
int del=book->delta;
int qv=book->quantvals;
int ze=(qv>>1);
int index=0;
/* assumes integer/centered encoder codebook maptype 1 no more than dim 8 */
int p[8]={0,0,0,0,0,0,0,0};
if(del!=1){
for(i=0,o=dim;i<dim;i++){
int v = (a[--o]-minval+(del>>1))/del;
int m = (v<ze ? ((ze-v)<<1)-1 : ((v-ze)<<1));
index = index*qv+ (m<0?0:(m>=qv?qv-1:m));
p[o]=v*del+minval;
}
}else{
for(i=0,o=dim;i<dim;i++){
int v = a[--o]-minval;
int m = (v<ze ? ((ze-v)<<1)-1 : ((v-ze)<<1));
index = index*qv+ (m<0?0:(m>=qv?qv-1:m));
p[o]=v*del+minval;
}
}
if(book->c->lengthlist[index]<=0){
const static_codebook *c=book->c;
int best=-1;
/* assumes integer/centered encoder codebook maptype 1 no more than dim 8 */
int e[8]={0,0,0,0,0,0,0,0};
int maxval = book->minval + book->delta*(book->quantvals-1);
for(i=0;i<book->entries;i++){
if(c->lengthlist[i]>0){
int this=0;
for(j=0;j<dim;j++){
int val=(e[j]-a[j]);
this+=val*val;
}
if(best==-1 || this<best){
memcpy(p,e,sizeof(p));
best=this;
index=i;
}
}
/* assumes the value patterning created by the tools in vq/ */
j=0;
while(e[j]>=maxval)
e[j++]=0;
if(e[j]>=0)
e[j]+=book->delta;
e[j]= -e[j];
}
}
if(index>-1){
for(i=0;i<dim;i++)
*a++ -= p[i];
}
return(index);
}
#ifdef TRAIN_RES
static int _encodepart(oggpack_buffer *opb,int *vec, int n,
codebook *book,long *acc){
#else
static int _encodepart(oggpack_buffer *opb,int *vec, int n,
codebook *book){
#endif
int i,bits=0;
int dim=book->dim;
int step=n/dim;
for(i=0;i<step;i++){
int entry=local_book_besterror(book,vec+i*dim);
#ifdef TRAIN_RES
if(entry>=0)
acc[entry]++;
#endif
bits+=vorbis_book_encode(book,entry,opb);
}
return(bits);
}
static long **_01class(vorbis_block *vb,vorbis_look_residue *vl,
int **in,int ch){
long i,j,k;
vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
vorbis_info_residue0 *info=look->info;
/* move all this setup out later */
int samples_per_partition=info->grouping;
int possible_partitions=info->partitions;
int n=info->end-info->begin;
int partvals=n/samples_per_partition;
long **partword=_vorbis_block_alloc(vb,ch*sizeof(*partword));
float scale=100./samples_per_partition;
/* we find the partition type for each partition of each
channel. We'll go back and do the interleaved encoding in a
bit. For now, clarity */
for(i=0;i<ch;i++){
partword[i]=_vorbis_block_alloc(vb,n/samples_per_partition*sizeof(*partword[i]));
memset(partword[i],0,n/samples_per_partition*sizeof(*partword[i]));
}
for(i=0;i<partvals;i++){
int offset=i*samples_per_partition+info->begin;
for(j=0;j<ch;j++){
int max=0;
int ent=0;
for(k=0;k<samples_per_partition;k++){
if(abs(in[j][offset+k])>max)max=abs(in[j][offset+k]);
ent+=abs(in[j][offset+k]);
}
ent*=scale;
for(k=0;k<possible_partitions-1;k++)
if(max<=info->classmetric1[k] &&
(info->classmetric2[k]<0 || ent<info->classmetric2[k]))
break;
partword[j][i]=k;
}
}
#ifdef TRAIN_RESAUX
{
FILE *of;
char buffer[80];
for(i=0;i<ch;i++){
sprintf(buffer,"resaux_%d.vqd",look->train_seq);
of=fopen(buffer,"a");
for(j=0;j<partvals;j++)
fprintf(of,"%ld, ",partword[i][j]);
fprintf(of,"\n");
fclose(of);
}
}
#endif
look->frames++;
return(partword);
}
/* designed for stereo or other modes where the partition size is an
integer multiple of the number of channels encoded in the current
submap */
static long **_2class(vorbis_block *vb,vorbis_look_residue *vl,int **in,
int ch){
long i,j,k,l;
vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
vorbis_info_residue0 *info=look->info;
/* move all this setup out later */
int samples_per_partition=info->grouping;
int possible_partitions=info->partitions;
int n=info->end-info->begin;
int partvals=n/samples_per_partition;
long **partword=_vorbis_block_alloc(vb,sizeof(*partword));
#if defined(TRAIN_RES) || defined (TRAIN_RESAUX)
FILE *of;
char buffer[80];
#endif
partword[0]=_vorbis_block_alloc(vb,partvals*sizeof(*partword[0]));
memset(partword[0],0,partvals*sizeof(*partword[0]));
for(i=0,l=info->begin/ch;i<partvals;i++){
int magmax=0;
int angmax=0;
for(j=0;j<samples_per_partition;j+=ch){
if(abs(in[0][l])>magmax)magmax=abs(in[0][l]);
for(k=1;k<ch;k++)
if(abs(in[k][l])>angmax)angmax=abs(in[k][l]);
l++;
}
for(j=0;j<possible_partitions-1;j++)
if(magmax<=info->classmetric1[j] &&
angmax<=info->classmetric2[j])
break;
partword[0][i]=j;
}
#ifdef TRAIN_RESAUX
sprintf(buffer,"resaux_%d.vqd",look->train_seq);
of=fopen(buffer,"a");
for(i=0;i<partvals;i++)
fprintf(of,"%ld, ",partword[0][i]);
fprintf(of,"\n");
fclose(of);
#endif
look->frames++;
return(partword);
}
static int _01forward(oggpack_buffer *opb,
vorbis_look_residue *vl,
int **in,int ch,
long **partword,
#ifdef TRAIN_RES
int (*encode)(oggpack_buffer *,int *,int,
codebook *,long *),
int submap
#else
int (*encode)(oggpack_buffer *,int *,int,
codebook *)
#endif
){
long i,j,k,s;
vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
vorbis_info_residue0 *info=look->info;
#ifdef TRAIN_RES
look->submap=submap;
#endif
/* move all this setup out later */
int samples_per_partition=info->grouping;
int possible_partitions=info->partitions;
int partitions_per_word=look->phrasebook->dim;
int n=info->end-info->begin;
int partvals=n/samples_per_partition;
long resbits[128];
long resvals[128];
#ifdef TRAIN_RES
for(i=0;i<ch;i++)
for(j=info->begin;j<info->end;j++){
if(in[i][j]>look->tmax)look->tmax=in[i][j];
if(in[i][j]<look->tmin)look->tmin=in[i][j];
}
#endif
memset(resbits,0,sizeof(resbits));
memset(resvals,0,sizeof(resvals));
/* we code the partition words for each channel, then the residual
words for a partition per channel until we've written all the
residual words for that partition word. Then write the next
partition channel words... */
for(s=0;s<look->stages;s++){
for(i=0;i<partvals;){
/* first we encode a partition codeword for each channel */
if(s==0){
for(j=0;j<ch;j++){
long val=partword[j][i];
for(k=1;k<partitions_per_word;k++){
val*=possible_partitions;
if(i+k<partvals)
val+=partword[j][i+k];
}
/* training hack */
if(val<look->phrasebook->entries)
look->phrasebits+=vorbis_book_encode(look->phrasebook,val,opb);
#if 0 /*def TRAIN_RES*/
else
fprintf(stderr,"!");
#endif
}
}
/* now we encode interleaved residual values for the partitions */
for(k=0;k<partitions_per_word && i<partvals;k++,i++){
long offset=i*samples_per_partition+info->begin;
for(j=0;j<ch;j++){
if(s==0)resvals[partword[j][i]]+=samples_per_partition;
if(info->secondstages[partword[j][i]]&(1<<s)){
codebook *statebook=look->partbooks[partword[j][i]][s];
if(statebook){
int ret;
#ifdef TRAIN_RES
long *accumulator=NULL;
accumulator=look->training_data[s][partword[j][i]];
{
int l;
int *samples=in[j]+offset;
for(l=0;l<samples_per_partition;l++){
if(samples[l]<look->training_min[s][partword[j][i]])
look->training_min[s][partword[j][i]]=samples[l];
if(samples[l]>look->training_max[s][partword[j][i]])
look->training_max[s][partword[j][i]]=samples[l];
}
}
ret=encode(opb,in[j]+offset,samples_per_partition,
statebook,accumulator);
#else
ret=encode(opb,in[j]+offset,samples_per_partition,
statebook);
#endif
look->postbits+=ret;
resbits[partword[j][i]]+=ret;
}
}
}
}
}
}
return(0);
}
/* a truncated packet here just means 'stop working'; it's not an error */
static int _01inverse(vorbis_block *vb,vorbis_look_residue *vl,
float **in,int ch,
long (*decodepart)(codebook *, float *,
oggpack_buffer *,int)){
long i,j,k,l,s;
vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
vorbis_info_residue0 *info=look->info;
/* move all this setup out later */
int samples_per_partition=info->grouping;
int partitions_per_word=look->phrasebook->dim;
int max=vb->pcmend>>1;
int end=(info->end<max?info->end:max);
int n=end-info->begin;
if(n>0){
int partvals=n/samples_per_partition;
int partwords=(partvals+partitions_per_word-1)/partitions_per_word;
int ***partword=alloca(ch*sizeof(*partword));
for(j=0;j<ch;j++)
partword[j]=_vorbis_block_alloc(vb,partwords*sizeof(*partword[j]));
for(s=0;s<look->stages;s++){
/* each loop decodes on partition codeword containing
partitions_per_word partitions */
for(i=0,l=0;i<partvals;l++){
if(s==0){
/* fetch the partition word for each channel */
for(j=0;j<ch;j++){
int temp=vorbis_book_decode(look->phrasebook,&vb->opb);
if(temp==-1 || temp>=info->partvals)goto eopbreak;
partword[j][l]=look->decodemap[temp];
if(partword[j][l]==NULL)goto errout;
}
}
/* now we decode residual values for the partitions */
for(k=0;k<partitions_per_word && i<partvals;k++,i++)
for(j=0;j<ch;j++){
long offset=info->begin+i*samples_per_partition;
if(info->secondstages[partword[j][l][k]]&(1<<s)){
codebook *stagebook=look->partbooks[partword[j][l][k]][s];
if(stagebook){
if(decodepart(stagebook,in[j]+offset,&vb->opb,
samples_per_partition)==-1)goto eopbreak;
}
}
}
}
}
}
errout:
eopbreak:
return(0);
}
int res0_inverse(vorbis_block *vb,vorbis_look_residue *vl,
float **in,int *nonzero,int ch){
int i,used=0;
for(i=0;i<ch;i++)
if(nonzero[i])
in[used++]=in[i];
if(used)
return(_01inverse(vb,vl,in,used,vorbis_book_decodevs_add));
else
return(0);
}
int res1_forward(oggpack_buffer *opb,vorbis_block *vb,vorbis_look_residue *vl,
int **in,int *nonzero,int ch, long **partword, int submap){
int i,used=0;
(void)vb;
for(i=0;i<ch;i++)
if(nonzero[i])
in[used++]=in[i];
if(used){
#ifdef TRAIN_RES
return _01forward(opb,vl,in,used,partword,_encodepart,submap);
#else
(void)submap;
return _01forward(opb,vl,in,used,partword,_encodepart);
#endif
}else{
return(0);
}
}
long **res1_class(vorbis_block *vb,vorbis_look_residue *vl,
int **in,int *nonzero,int ch){
int i,used=0;
for(i=0;i<ch;i++)
if(nonzero[i])
in[used++]=in[i];
if(used)
return(_01class(vb,vl,in,used));
else
return(0);
}
int res1_inverse(vorbis_block *vb,vorbis_look_residue *vl,
float **in,int *nonzero,int ch){
int i,used=0;
for(i=0;i<ch;i++)
if(nonzero[i])
in[used++]=in[i];
if(used)
return(_01inverse(vb,vl,in,used,vorbis_book_decodev_add));
else
return(0);
}
long **res2_class(vorbis_block *vb,vorbis_look_residue *vl,
int **in,int *nonzero,int ch){
int i,used=0;
for(i=0;i<ch;i++)
if(nonzero[i])used++;
if(used)
return(_2class(vb,vl,in,ch));
else
return(0);
}
/* res2 is slightly more different; all the channels are interleaved
into a single vector and encoded. */
int res2_forward(oggpack_buffer *opb,
vorbis_block *vb,vorbis_look_residue *vl,
int **in,int *nonzero,int ch, long **partword,int submap){
long i,j,k,n=vb->pcmend/2,used=0;
/* don't duplicate the code; use a working vector hack for now and
reshape ourselves into a single channel res1 */
/* ugly; reallocs for each coupling pass :-( */
int *work=_vorbis_block_alloc(vb,ch*n*sizeof(*work));
for(i=0;i<ch;i++){
int *pcm=in[i];
if(nonzero[i])used++;
for(j=0,k=i;j<n;j++,k+=ch)
work[k]=pcm[j];
}
if(used){
#ifdef TRAIN_RES
return _01forward(opb,vl,&work,1,partword,_encodepart,submap);
#else
(void)submap;
return _01forward(opb,vl,&work,1,partword,_encodepart);
#endif
}else{
return(0);
}
}
/* duplicate code here as speed is somewhat more important */
int res2_inverse(vorbis_block *vb,vorbis_look_residue *vl,
float **in,int *nonzero,int ch){
long i,k,l,s;
vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
vorbis_info_residue0 *info=look->info;
/* move all this setup out later */
int samples_per_partition=info->grouping;
int partitions_per_word=look->phrasebook->dim;
int max=(vb->pcmend*ch)>>1;
int end=(info->end<max?info->end:max);
int n=end-info->begin;
if(n>0){
int partvals=n/samples_per_partition;
int partwords=(partvals+partitions_per_word-1)/partitions_per_word;
int **partword=_vorbis_block_alloc(vb,partwords*sizeof(*partword));
for(i=0;i<ch;i++)if(nonzero[i])break;
if(i==ch)return(0); /* no nonzero vectors */
for(s=0;s<look->stages;s++){
for(i=0,l=0;i<partvals;l++){
if(s==0){
/* fetch the partition word */
int temp=vorbis_book_decode(look->phrasebook,&vb->opb);
if(temp==-1 || temp>=info->partvals)goto eopbreak;
partword[l]=look->decodemap[temp];
if(partword[l]==NULL)goto errout;
}
/* now we decode residual values for the partitions */
for(k=0;k<partitions_per_word && i<partvals;k++,i++)
if(info->secondstages[partword[l][k]]&(1<<s)){
codebook *stagebook=look->partbooks[partword[l][k]][s];
if(stagebook){
if(vorbis_book_decodevv_add(stagebook,in,
i*samples_per_partition+info->begin,ch,
&vb->opb,samples_per_partition)==-1)
goto eopbreak;
}
}
}
}
}
errout:
eopbreak:
return(0);
}
const vorbis_func_residue residue0_exportbundle={
NULL,
&res0_unpack,
&res0_look,
&res0_free_info,
&res0_free_look,
NULL,
NULL,
&res0_inverse
};
const vorbis_func_residue residue1_exportbundle={
&res0_pack,
&res0_unpack,
&res0_look,
&res0_free_info,
&res0_free_look,
&res1_class,
&res1_forward,
&res1_inverse
};
const vorbis_func_residue residue2_exportbundle={
&res0_pack,
&res0_unpack,
&res0_look,
&res0_free_info,
&res0_free_look,
&res2_class,
&res2_forward,
&res2_inverse
};

90
Sources/libvorbis/lib/scales.h Normal file
View File

@ -0,0 +1,90 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: linear scale -> dB, Bark and Mel scales
last mod: $Id: scales.h 16227 2009-07-08 06:58:46Z xiphmont $
********************************************************************/
#ifndef _V_SCALES_H_
#define _V_SCALES_H_
#include <math.h>
#include "os.h"
#ifdef _MSC_VER
/* MS Visual Studio doesn't have C99 inline keyword. */
#define inline __inline
#endif
/* 20log10(x) */
#define VORBIS_IEEE_FLOAT32 1
#ifdef VORBIS_IEEE_FLOAT32
static inline float unitnorm(float x){
union {
ogg_uint32_t i;
float f;
} ix;
ix.f = x;
ix.i = (ix.i & 0x80000000U) | (0x3f800000U);
return ix.f;
}
/* Segher was off (too high) by ~ .3 decibel. Center the conversion correctly. */
static inline float todB(const float *x){
union {
ogg_uint32_t i;
float f;
} ix;
ix.f = *x;
ix.i = ix.i&0x7fffffff;
return (float)(ix.i * 7.17711438e-7f -764.6161886f);
}
#define todB_nn(x) todB(x)
#else
static float unitnorm(float x){
if(x<0)return(-1.f);
return(1.f);
}
#define todB(x) (*(x)==0?-400.f:log(*(x)**(x))*4.34294480f)
#define todB_nn(x) (*(x)==0.f?-400.f:log(*(x))*8.6858896f)
#endif
#define fromdB(x) (exp((x)*.11512925f))
/* The bark scale equations are approximations, since the original
table was somewhat hand rolled. The below are chosen to have the
best possible fit to the rolled tables, thus their somewhat odd
appearance (these are more accurate and over a longer range than
the oft-quoted bark equations found in the texts I have). The
approximations are valid from 0 - 30kHz (nyquist) or so.
all f in Hz, z in Bark */
#define toBARK(n) (13.1f*atan(.00074f*(n))+2.24f*atan((n)*(n)*1.85e-8f)+1e-4f*(n))
#define fromBARK(z) (102.f*(z)-2.f*pow(z,2.f)+.4f*pow(z,3.f)+pow(1.46f,z)-1.f)
#define toMEL(n) (log(1.f+(n)*.001f)*1442.695f)
#define fromMEL(m) (1000.f*exp((m)/1442.695f)-1000.f)
/* Frequency to octave. We arbitrarily declare 63.5 Hz to be octave
0.0 */
#define toOC(n) (log(n)*1.442695f-5.965784f)
#define fromOC(o) (exp(((o)+5.965784f)*.693147f))
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: basic shared codebook operations
last mod: $Id: sharedbook.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <ogg/ogg.h>
#include "os.h"
#include "misc.h"
#include "vorbis/codec.h"
#include "codebook.h"
#include "scales.h"
/**** pack/unpack helpers ******************************************/
int ov_ilog(ogg_uint32_t v){
int ret;
for(ret=0;v;ret++)v>>=1;
return ret;
}
/* 32 bit float (not IEEE; nonnormalized mantissa +
biased exponent) : neeeeeee eeemmmmm mmmmmmmm mmmmmmmm
Why not IEEE? It's just not that important here. */
#define VQ_FEXP 10
#define VQ_FMAN 21
#define VQ_FEXP_BIAS 768 /* bias toward values smaller than 1. */
/* doesn't currently guard under/overflow */
long _float32_pack(float val){
int sign=0;
long exp;
long mant;
if(val<0){
sign=0x80000000;
val= -val;
}
exp= floor(log(val)/log(2.f)+.001); //+epsilon
mant=rint(ldexp(val,(VQ_FMAN-1)-exp));
exp=(exp+VQ_FEXP_BIAS)<<VQ_FMAN;
return(sign|exp|mant);
}
float _float32_unpack(long val){
double mant=val&0x1fffff;
int sign=val&0x80000000;
long exp =(val&0x7fe00000L)>>VQ_FMAN;
if(sign)mant= -mant;
return(ldexp(mant,exp-(VQ_FMAN-1)-VQ_FEXP_BIAS));
}
/* given a list of word lengths, generate a list of codewords. Works
for length ordered or unordered, always assigns the lowest valued
codewords first. Extended to handle unused entries (length 0) */
ogg_uint32_t *_make_words(char *l,long n,long sparsecount){
long i,j,count=0;
ogg_uint32_t marker[33];
ogg_uint32_t *r=_ogg_malloc((sparsecount?sparsecount:n)*sizeof(*r));
memset(marker,0,sizeof(marker));
for(i=0;i<n;i++){
long length=l[i];
if(length>0){
ogg_uint32_t entry=marker[length];
/* when we claim a node for an entry, we also claim the nodes
below it (pruning off the imagined tree that may have dangled
from it) as well as blocking the use of any nodes directly
above for leaves */
/* update ourself */
if(length<32 && (entry>>length)){
/* error condition; the lengths must specify an overpopulated tree */
_ogg_free(r);
return(NULL);
}
r[count++]=entry;
/* Look to see if the next shorter marker points to the node
above. if so, update it and repeat. */
{
for(j=length;j>0;j--){
if(marker[j]&1){
/* have to jump branches */
if(j==1)
marker[1]++;
else
marker[j]=marker[j-1]<<1;
break; /* invariant says next upper marker would already
have been moved if it was on the same path */
}
marker[j]++;
}
}
/* prune the tree; the implicit invariant says all the longer
markers were dangling from our just-taken node. Dangle them
from our *new* node. */
for(j=length+1;j<33;j++)
if((marker[j]>>1) == entry){
entry=marker[j];
marker[j]=marker[j-1]<<1;
}else
break;
}else
if(sparsecount==0)count++;
}
/* any underpopulated tree must be rejected. */
/* Single-entry codebooks are a retconned extension to the spec.
They have a single codeword '0' of length 1 that results in an
underpopulated tree. Shield that case from the underformed tree check. */
if(!(count==1 && marker[2]==2)){
for(i=1;i<33;i++)
if(marker[i] & (0xffffffffUL>>(32-i))){
_ogg_free(r);
return(NULL);
}
}
/* bitreverse the words because our bitwise packer/unpacker is LSb
endian */
for(i=0,count=0;i<n;i++){
ogg_uint32_t temp=0;
for(j=0;j<l[i];j++){
temp<<=1;
temp|=(r[count]>>j)&1;
}
if(sparsecount){
if(l[i])
r[count++]=temp;
}else
r[count++]=temp;
}
return(r);
}
/* there might be a straightforward one-line way to do the below
that's portable and totally safe against roundoff, but I haven't
thought of it. Therefore, we opt on the side of caution */
long _book_maptype1_quantvals(const static_codebook *b){
long vals=floor(pow((float)b->entries,1.f/b->dim));
/* the above *should* be reliable, but we'll not assume that FP is
ever reliable when bitstream sync is at stake; verify via integer
means that vals really is the greatest value of dim for which
vals^b->bim <= b->entries */
/* treat the above as an initial guess */
while(1){
long acc=1;
long acc1=1;
int i;
for(i=0;i<b->dim;i++){
acc*=vals;
acc1*=vals+1;
}
if(acc<=b->entries && acc1>b->entries){
return(vals);
}else{
if(acc>b->entries){
vals--;
}else{
vals++;
}
}
}
}
/* unpack the quantized list of values for encode/decode ***********/
/* we need to deal with two map types: in map type 1, the values are
generated algorithmically (each column of the vector counts through
the values in the quant vector). in map type 2, all the values came
in in an explicit list. Both value lists must be unpacked */
float *_book_unquantize(const static_codebook *b,int n,int *sparsemap){
long j,k,count=0;
if(b->maptype==1 || b->maptype==2){
int quantvals;
float mindel=_float32_unpack(b->q_min);
float delta=_float32_unpack(b->q_delta);
float *r=_ogg_calloc(n*b->dim,sizeof(*r));
/* maptype 1 and 2 both use a quantized value vector, but
different sizes */
switch(b->maptype){
case 1:
/* most of the time, entries%dimensions == 0, but we need to be
well defined. We define that the possible vales at each
scalar is values == entries/dim. If entries%dim != 0, we'll
have 'too few' values (values*dim<entries), which means that
we'll have 'left over' entries; left over entries use zeroed
values (and are wasted). So don't generate codebooks like
that */
quantvals=_book_maptype1_quantvals(b);
for(j=0;j<b->entries;j++){
if((sparsemap && b->lengthlist[j]) || !sparsemap){
float last=0.f;
int indexdiv=1;
for(k=0;k<b->dim;k++){
int index= (j/indexdiv)%quantvals;
float val=b->quantlist[index];
val=fabs(val)*delta+mindel+last;
if(b->q_sequencep)last=val;
if(sparsemap)
r[sparsemap[count]*b->dim+k]=val;
else
r[count*b->dim+k]=val;
indexdiv*=quantvals;
}
count++;
}
}
break;
case 2:
for(j=0;j<b->entries;j++){
if((sparsemap && b->lengthlist[j]) || !sparsemap){
float last=0.f;
for(k=0;k<b->dim;k++){
float val=b->quantlist[j*b->dim+k];
val=fabs(val)*delta+mindel+last;
if(b->q_sequencep)last=val;
if(sparsemap)
r[sparsemap[count]*b->dim+k]=val;
else
r[count*b->dim+k]=val;
}
count++;
}
}
break;
}
return(r);
}
return(NULL);
}
void vorbis_staticbook_destroy(static_codebook *b){
if(b->allocedp){
if(b->quantlist)_ogg_free(b->quantlist);
if(b->lengthlist)_ogg_free(b->lengthlist);
memset(b,0,sizeof(*b));
_ogg_free(b);
} /* otherwise, it is in static memory */
}
void vorbis_book_clear(codebook *b){
/* static book is not cleared; we're likely called on the lookup and
the static codebook belongs to the info struct */
if(b->valuelist)_ogg_free(b->valuelist);
if(b->codelist)_ogg_free(b->codelist);
if(b->dec_index)_ogg_free(b->dec_index);
if(b->dec_codelengths)_ogg_free(b->dec_codelengths);
if(b->dec_firsttable)_ogg_free(b->dec_firsttable);
memset(b,0,sizeof(*b));
}
int vorbis_book_init_encode(codebook *c,const static_codebook *s){
memset(c,0,sizeof(*c));
c->c=s;
c->entries=s->entries;
c->used_entries=s->entries;
c->dim=s->dim;
c->codelist=_make_words(s->lengthlist,s->entries,0);
//c->valuelist=_book_unquantize(s,s->entries,NULL);
c->quantvals=_book_maptype1_quantvals(s);
c->minval=(int)rint(_float32_unpack(s->q_min));
c->delta=(int)rint(_float32_unpack(s->q_delta));
return(0);
}
static ogg_uint32_t bitreverse(ogg_uint32_t x){
x= ((x>>16)&0x0000ffffUL) | ((x<<16)&0xffff0000UL);
x= ((x>> 8)&0x00ff00ffUL) | ((x<< 8)&0xff00ff00UL);
x= ((x>> 4)&0x0f0f0f0fUL) | ((x<< 4)&0xf0f0f0f0UL);
x= ((x>> 2)&0x33333333UL) | ((x<< 2)&0xccccccccUL);
return((x>> 1)&0x55555555UL) | ((x<< 1)&0xaaaaaaaaUL);
}
static int sort32a(const void *a,const void *b){
return ( **(ogg_uint32_t **)a>**(ogg_uint32_t **)b)-
( **(ogg_uint32_t **)a<**(ogg_uint32_t **)b);
}
/* decode codebook arrangement is more heavily optimized than encode */
int vorbis_book_init_decode(codebook *c,const static_codebook *s){
int i,j,n=0,tabn;
int *sortindex;
memset(c,0,sizeof(*c));
/* count actually used entries and find max length */
for(i=0;i<s->entries;i++)
if(s->lengthlist[i]>0)
n++;
c->entries=s->entries;
c->used_entries=n;
c->dim=s->dim;
if(n>0){
/* two different remappings go on here.
First, we collapse the likely sparse codebook down only to
actually represented values/words. This collapsing needs to be
indexed as map-valueless books are used to encode original entry
positions as integers.
Second, we reorder all vectors, including the entry index above,
by sorted bitreversed codeword to allow treeless decode. */
/* perform sort */
ogg_uint32_t *codes=_make_words(s->lengthlist,s->entries,c->used_entries);
ogg_uint32_t **codep=alloca(sizeof(*codep)*n);
if(codes==NULL)goto err_out;
for(i=0;i<n;i++){
codes[i]=bitreverse(codes[i]);
codep[i]=codes+i;
}
qsort(codep,n,sizeof(*codep),sort32a);
sortindex=alloca(n*sizeof(*sortindex));
c->codelist=_ogg_malloc(n*sizeof(*c->codelist));
/* the index is a reverse index */
for(i=0;i<n;i++){
int position=codep[i]-codes;
sortindex[position]=i;
}
for(i=0;i<n;i++)
c->codelist[sortindex[i]]=codes[i];
_ogg_free(codes);
c->valuelist=_book_unquantize(s,n,sortindex);
c->dec_index=_ogg_malloc(n*sizeof(*c->dec_index));
for(n=0,i=0;i<s->entries;i++)
if(s->lengthlist[i]>0)
c->dec_index[sortindex[n++]]=i;
c->dec_codelengths=_ogg_malloc(n*sizeof(*c->dec_codelengths));
c->dec_maxlength=0;
for(n=0,i=0;i<s->entries;i++)
if(s->lengthlist[i]>0){
c->dec_codelengths[sortindex[n++]]=s->lengthlist[i];
if(s->lengthlist[i]>c->dec_maxlength)
c->dec_maxlength=s->lengthlist[i];
}
if(n==1 && c->dec_maxlength==1){
/* special case the 'single entry codebook' with a single bit
fastpath table (that always returns entry 0 )in order to use
unmodified decode paths. */
c->dec_firsttablen=1;
c->dec_firsttable=_ogg_calloc(2,sizeof(*c->dec_firsttable));
c->dec_firsttable[0]=c->dec_firsttable[1]=1;
}else{
c->dec_firsttablen=ov_ilog(c->used_entries)-4; /* this is magic */
if(c->dec_firsttablen<5)c->dec_firsttablen=5;
if(c->dec_firsttablen>8)c->dec_firsttablen=8;
tabn=1<<c->dec_firsttablen;
c->dec_firsttable=_ogg_calloc(tabn,sizeof(*c->dec_firsttable));
for(i=0;i<n;i++){
if(c->dec_codelengths[i]<=c->dec_firsttablen){
ogg_uint32_t orig=bitreverse(c->codelist[i]);
for(j=0;j<(1<<(c->dec_firsttablen-c->dec_codelengths[i]));j++)
c->dec_firsttable[orig|(j<<c->dec_codelengths[i])]=i+1;
}
}
/* now fill in 'unused' entries in the firsttable with hi/lo search
hints for the non-direct-hits */
{
ogg_uint32_t mask=0xfffffffeUL<<(31-c->dec_firsttablen);
long lo=0,hi=0;
for(i=0;i<tabn;i++){
ogg_uint32_t word=i<<(32-c->dec_firsttablen);
if(c->dec_firsttable[bitreverse(word)]==0){
while((lo+1)<n && c->codelist[lo+1]<=word)lo++;
while( hi<n && word>=(c->codelist[hi]&mask))hi++;
/* we only actually have 15 bits per hint to play with here.
In order to overflow gracefully (nothing breaks, efficiency
just drops), encode as the difference from the extremes. */
{
unsigned long loval=lo;
unsigned long hival=n-hi;
if(loval>0x7fff)loval=0x7fff;
if(hival>0x7fff)hival=0x7fff;
c->dec_firsttable[bitreverse(word)]=
0x80000000UL | (loval<<15) | hival;
}
}
}
}
}
}
return(0);
err_out:
vorbis_book_clear(c);
return(-1);
}
long vorbis_book_codeword(codebook *book,int entry){
if(book->c) /* only use with encode; decode optimizations are
allowed to break this */
return book->codelist[entry];
return -1;
}
long vorbis_book_codelen(codebook *book,int entry){
if(book->c) /* only use with encode; decode optimizations are
allowed to break this */
return book->c->lengthlist[entry];
return -1;
}
#ifdef _V_SELFTEST
/* Unit tests of the dequantizer; this stuff will be OK
cross-platform, I simply want to be sure that special mapping cases
actually work properly; a bug could go unnoticed for a while */
#include <stdio.h>
/* cases:
no mapping
full, explicit mapping
algorithmic mapping
nonsequential
sequential
*/
static long full_quantlist1[]={0,1,2,3, 4,5,6,7, 8,3,6,1};
static long partial_quantlist1[]={0,7,2};
/* no mapping */
static_codebook test1={
4,16,
NULL,
0,
0,0,0,0,
NULL,
0
};
static float *test1_result=NULL;
/* linear, full mapping, nonsequential */
static_codebook test2={
4,3,
NULL,
2,
-533200896,1611661312,4,0,
full_quantlist1,
0
};
static float test2_result[]={-3,-2,-1,0, 1,2,3,4, 5,0,3,-2};
/* linear, full mapping, sequential */
static_codebook test3={
4,3,
NULL,
2,
-533200896,1611661312,4,1,
full_quantlist1,
0
};
static float test3_result[]={-3,-5,-6,-6, 1,3,6,10, 5,5,8,6};
/* linear, algorithmic mapping, nonsequential */
static_codebook test4={
3,27,
NULL,
1,
-533200896,1611661312,4,0,
partial_quantlist1,
0
};
static float test4_result[]={-3,-3,-3, 4,-3,-3, -1,-3,-3,
-3, 4,-3, 4, 4,-3, -1, 4,-3,
-3,-1,-3, 4,-1,-3, -1,-1,-3,
-3,-3, 4, 4,-3, 4, -1,-3, 4,
-3, 4, 4, 4, 4, 4, -1, 4, 4,
-3,-1, 4, 4,-1, 4, -1,-1, 4,
-3,-3,-1, 4,-3,-1, -1,-3,-1,
-3, 4,-1, 4, 4,-1, -1, 4,-1,
-3,-1,-1, 4,-1,-1, -1,-1,-1};
/* linear, algorithmic mapping, sequential */
static_codebook test5={
3,27,
NULL,
1,
-533200896,1611661312,4,1,
partial_quantlist1,
0
};
static float test5_result[]={-3,-6,-9, 4, 1,-2, -1,-4,-7,
-3, 1,-2, 4, 8, 5, -1, 3, 0,
-3,-4,-7, 4, 3, 0, -1,-2,-5,
-3,-6,-2, 4, 1, 5, -1,-4, 0,
-3, 1, 5, 4, 8,12, -1, 3, 7,
-3,-4, 0, 4, 3, 7, -1,-2, 2,
-3,-6,-7, 4, 1, 0, -1,-4,-5,
-3, 1, 0, 4, 8, 7, -1, 3, 2,
-3,-4,-5, 4, 3, 2, -1,-2,-3};
void run_test(static_codebook *b,float *comp){
float *out=_book_unquantize(b,b->entries,NULL);
int i;
if(comp){
if(!out){
fprintf(stderr,"_book_unquantize incorrectly returned NULL\n");
exit(1);
}
for(i=0;i<b->entries*b->dim;i++)
if(fabs(out[i]-comp[i])>.0001){
fprintf(stderr,"disagreement in unquantized and reference data:\n"
"position %d, %g != %g\n",i,out[i],comp[i]);
exit(1);
}
}else{
if(out){
fprintf(stderr,"_book_unquantize returned a value array: \n"
" correct result should have been NULL\n");
exit(1);
}
}
}
int main(){
/* run the nine dequant tests, and compare to the hand-rolled results */
fprintf(stderr,"Dequant test 1... ");
run_test(&test1,test1_result);
fprintf(stderr,"OK\nDequant test 2... ");
run_test(&test2,test2_result);
fprintf(stderr,"OK\nDequant test 3... ");
run_test(&test3,test3_result);
fprintf(stderr,"OK\nDequant test 4... ");
run_test(&test4,test4_result);
fprintf(stderr,"OK\nDequant test 5... ");
run_test(&test5,test5_result);
fprintf(stderr,"OK\n\n");
return(0);
}
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: fft transform
last mod: $Id: smallft.h 13293 2007-07-24 00:09:47Z xiphmont $
********************************************************************/
#ifndef _V_SMFT_H_
#define _V_SMFT_H_
#include "vorbis/codec.h"
typedef struct {
int n;
float *trigcache;
int *splitcache;
} drft_lookup;
extern void drft_forward(drft_lookup *l,float *data);
extern void drft_backward(drft_lookup *l,float *data);
extern void drft_init(drft_lookup *l,int n);
extern void drft_clear(drft_lookup *l);
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: single-block PCM synthesis
last mod: $Id: synthesis.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
#include <stdio.h>
#include <ogg/ogg.h>
#include "vorbis/codec.h"
#include "codec_internal.h"
#include "registry.h"
#include "misc.h"
#include "os.h"
int vorbis_synthesis(vorbis_block *vb,ogg_packet *op){
vorbis_dsp_state *vd= vb ? vb->vd : 0;
private_state *b= vd ? vd->backend_state : 0;
vorbis_info *vi= vd ? vd->vi : 0;
codec_setup_info *ci= vi ? vi->codec_setup : 0;
oggpack_buffer *opb=vb ? &vb->opb : 0;
int type,mode,i;
if (!vd || !b || !vi || !ci || !opb) {
return OV_EBADPACKET;
}
/* first things first. Make sure decode is ready */
_vorbis_block_ripcord(vb);
oggpack_readinit(opb,op->packet,op->bytes);
/* Check the packet type */
if(oggpack_read(opb,1)!=0){
/* Oops. This is not an audio data packet */
return(OV_ENOTAUDIO);
}
/* read our mode and pre/post windowsize */
mode=oggpack_read(opb,b->modebits);
if(mode==-1){
return(OV_EBADPACKET);
}
vb->mode=mode;
if(!ci->mode_param[mode]){
return(OV_EBADPACKET);
}
vb->W=ci->mode_param[mode]->blockflag;
if(vb->W){
/* this doesn;t get mapped through mode selection as it's used
only for window selection */
vb->lW=oggpack_read(opb,1);
vb->nW=oggpack_read(opb,1);
if(vb->nW==-1){
return(OV_EBADPACKET);
}
}else{
vb->lW=0;
vb->nW=0;
}
/* more setup */
vb->granulepos=op->granulepos;
vb->sequence=op->packetno;
vb->eofflag=op->e_o_s;
/* alloc pcm passback storage */
vb->pcmend=ci->blocksizes[vb->W];
vb->pcm=_vorbis_block_alloc(vb,sizeof(*vb->pcm)*vi->channels);
for(i=0;i<vi->channels;i++)
vb->pcm[i]=_vorbis_block_alloc(vb,vb->pcmend*sizeof(*vb->pcm[i]));
/* unpack_header enforces range checking */
type=ci->map_type[ci->mode_param[mode]->mapping];
return(_mapping_P[type]->inverse(vb,ci->map_param[ci->mode_param[mode]->
mapping]));
}
/* used to track pcm position without actually performing decode.
Useful for sequential 'fast forward' */
int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op){
vorbis_dsp_state *vd=vb->vd;
private_state *b=vd->backend_state;
vorbis_info *vi=vd->vi;
codec_setup_info *ci=vi->codec_setup;
oggpack_buffer *opb=&vb->opb;
int mode;
/* first things first. Make sure decode is ready */
_vorbis_block_ripcord(vb);
oggpack_readinit(opb,op->packet,op->bytes);
/* Check the packet type */
if(oggpack_read(opb,1)!=0){
/* Oops. This is not an audio data packet */
return(OV_ENOTAUDIO);
}
/* read our mode and pre/post windowsize */
mode=oggpack_read(opb,b->modebits);
if(mode==-1)return(OV_EBADPACKET);
vb->mode=mode;
if(!ci->mode_param[mode]){
return(OV_EBADPACKET);
}
vb->W=ci->mode_param[mode]->blockflag;
if(vb->W){
vb->lW=oggpack_read(opb,1);
vb->nW=oggpack_read(opb,1);
if(vb->nW==-1) return(OV_EBADPACKET);
}else{
vb->lW=0;
vb->nW=0;
}
/* more setup */
vb->granulepos=op->granulepos;
vb->sequence=op->packetno;
vb->eofflag=op->e_o_s;
/* no pcm */
vb->pcmend=0;
vb->pcm=NULL;
return(0);
}
long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op){
codec_setup_info *ci=vi->codec_setup;
oggpack_buffer opb;
int mode;
if(ci==NULL || ci->modes<=0){
/* codec setup not properly intialized */
return(OV_EFAULT);
}
oggpack_readinit(&opb,op->packet,op->bytes);
/* Check the packet type */
if(oggpack_read(&opb,1)!=0){
/* Oops. This is not an audio data packet */
return(OV_ENOTAUDIO);
}
/* read our mode and pre/post windowsize */
mode=oggpack_read(&opb,ov_ilog(ci->modes-1));
if(mode==-1 || !ci->mode_param[mode])return(OV_EBADPACKET);
return(ci->blocksizes[ci->mode_param[mode]->blockflag]);
}
int vorbis_synthesis_halfrate(vorbis_info *vi,int flag){
/* set / clear half-sample-rate mode */
codec_setup_info *ci=vi->codec_setup;
/* right now, our MDCT can't handle < 64 sample windows. */
if(ci->blocksizes[0]<=64 && flag)return -1;
ci->halfrate_flag=(flag?1:0);
return 0;
}
int vorbis_synthesis_halfrate_p(vorbis_info *vi){
codec_setup_info *ci=vi->codec_setup;
return ci->halfrate_flag;
}

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#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>
void usage(){
fprintf(stderr,"tone <frequency_Hz>,[<amplitude>] [<frequency_Hz>,[<amplitude>]...]\n");
exit(1);
}
int main (int argc,char *argv[]){
int i,j;
double *f;
double *amp;
if(argc<2)usage();
f=alloca(sizeof(*f)*(argc-1));
amp=alloca(sizeof(*amp)*(argc-1));
i=0;
while(argv[i+1]){
char *pos=strchr(argv[i+1],',');
f[i]=atof(argv[i+1]);
if(pos)
amp[i]=atof(pos+1)*32767.f;
else
amp[i]=32767.f;
fprintf(stderr,"%g Hz, %g amp\n",f[i],amp[i]);
i++;
}
for(i=0;i<44100*10;i++){
float val=0;
int ival;
for(j=0;j<argc-1;j++)
val+=amp[j]*sin(i/44100.f*f[j]*2*M_PI);
ival=rint(val);
if(ival>32767.f)ival=32767.f;
if(ival<-32768.f)ival=-32768.f;
fprintf(stdout,"%c%c%c%c",
(char)(ival&0xff),
(char)((ival>>8)&0xff),
(char)(ival&0xff),
(char)((ival>>8)&0xff));
}
return(0);
}

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2425
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2136
Sources/libvorbis/lib/window.c Normal file
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Sources/libvorbis/lib/window.h Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: window functions
last mod: $Id: window.h 19028 2013-12-02 23:23:39Z tterribe $
********************************************************************/
#ifndef _V_WINDOW_
#define _V_WINDOW_
extern const float *_vorbis_window_get(int n);
extern void _vorbis_apply_window(float *d,int *winno,long *blocksizes,
int lW,int W,int nW);
#endif

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59
Sources/libvorbis/vorbis.def Normal file
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@ -0,0 +1,59 @@
;
; $Id: vorbis.def 16335 2009-07-25 22:52:38Z cristianadam $
;
LIBRARY
EXPORTS
_floor_P
_mapping_P
_residue_P
;
vorbis_info_init
vorbis_info_clear
vorbis_info_blocksize
;
vorbis_comment_init
vorbis_comment_add
vorbis_comment_add_tag
vorbis_comment_query
vorbis_comment_query_count
vorbis_comment_clear
;
vorbis_block_init
vorbis_block_clear
vorbis_dsp_clear
vorbis_granule_time
;
vorbis_analysis_init
vorbis_commentheader_out
vorbis_analysis_headerout
vorbis_analysis_buffer
vorbis_analysis_wrote
vorbis_analysis_blockout
vorbis_analysis
vorbis_bitrate_addblock
vorbis_bitrate_flushpacket
;
vorbis_synthesis_headerin
vorbis_synthesis_init
vorbis_synthesis_restart
vorbis_synthesis
vorbis_synthesis_trackonly
vorbis_synthesis_blockin
vorbis_synthesis_pcmout
vorbis_synthesis_lapout
vorbis_synthesis_read
vorbis_packet_blocksize
vorbis_synthesis_halfrate
vorbis_synthesis_halfrate_p
vorbis_synthesis_idheader
;
vorbis_window
;_analysis_output_always
vorbis_encode_init
vorbis_encode_setup_managed
vorbis_encode_setup_vbr
vorbis_encode_init_vbr
vorbis_encode_setup_init
vorbis_encode_ctl
;
vorbis_version_string

13
Sources/libvorbis/vorbisenc.def Normal file
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@ -0,0 +1,13 @@
;
; $Id: vorbisenc.def 7187 2004-07-20 07:24:27Z xiphmont $
;
LIBRARY
EXPORTS
vorbis_encode_init
vorbis_encode_setup_managed
vorbis_encode_setup_vbr
vorbis_encode_init_vbr
vorbis_encode_setup_init
vorbis_encode_ctl

42
Sources/libvorbis/vorbisfile.def Normal file
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@ -0,0 +1,42 @@
;
; vorbisfile.def
;
; last modified: $Id: vorbisfile.def 15566 2008-12-08 09:07:12Z conrad $
;
LIBRARY
EXPORTS
ov_clear
ov_open
ov_open_callbacks
ov_bitrate
ov_bitrate_instant
ov_streams
ov_seekable
ov_serialnumber
ov_raw_total
ov_pcm_total
ov_time_total
ov_raw_seek
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ov_pcm_seek_page
ov_time_seek
ov_time_seek_page
ov_raw_seek_lap
ov_pcm_seek_lap
ov_pcm_seek_page_lap
ov_time_seek_lap
ov_time_seek_page_lap
ov_raw_tell
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ov_time_tell
ov_info
ov_comment
ov_read
ov_read_float
ov_test
ov_test_callbacks
ov_test_open
ov_crosslap
ov_halfrate
ov_halfrate_p
ov_fopen