Serious-Engine/Sources/Engine/Sound/Wave.h
2016-03-11 18:20:51 -06:00

68 lines
2.0 KiB
C++

/* 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. */
#ifndef SE_INCL_WAVE_H
#define SE_INCL_WAVE_H
#ifdef PRAGMA_ONCE
#pragma once
#endif
/*
* PCM Wave Input
*/
class PCMWaveInput {
private:
// Wave data
WAVEFORMATEX pwi_wfeWave;
WAVEFORMATEX pwi_wfeDesired;
ULONG pwi_ulRiffLength, pwi_ulDataLength;
BOOL pwi_bInfoLoaded, pwi_bDataLoaded; // Status
SWORD *pwi_pswMemory; // Memory
/* Conversion */
DOUBLE pwi_dRatio;
// get and store data
inline ULONG GetData_t( CTStream *pCstrInput);
inline void StoreData( ULONG ulData);
void CopyData_t( CTStream *pCstrInput);
void ShrinkData_t( CTStream *pCstrInput);
public:
// Check wave format
static void CheckWaveFormat_t( WAVEFORMATEX SwfeCheck, char *pcErrorString);
/* Constructor */
inline PCMWaveInput(void) { pwi_bInfoLoaded = FALSE; pwi_bDataLoaded = FALSE; };
/* Load Wave info */
WAVEFORMATEX LoadInfo_t( CTStream *pCstrInput);
/* Load and convert Wave data */
void LoadData_t( CTStream *pCstrInput, SWORD *pswMemory, WAVEFORMATEX &SwfeDesired);
/* Length in bytes / blocks / seconds */
ULONG GetByteLength(void);
ULONG GetDataLength(void);
ULONG GetDataLength( WAVEFORMATEX SwfeDesired);
DOUBLE GetSecondsLength(void);
/* Buffer length in bytes */
ULONG DetermineBufferSize(void);
ULONG DetermineBufferSize( WAVEFORMATEX SwfeDesired);
};
#endif /* include-once check. */