2016-03-12 01:20:51 +01:00
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/* Copyright (c) 2002-2012 Croteam Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as published by
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the Free Software Foundation
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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2016-03-11 14:57:17 +01:00
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#ifndef SE_INCL_WAVE_H
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#define SE_INCL_WAVE_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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/*
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* PCM Wave Input
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*/
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class PCMWaveInput {
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private:
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// Wave data
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WAVEFORMATEX pwi_wfeWave;
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WAVEFORMATEX pwi_wfeDesired;
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ULONG pwi_ulRiffLength, pwi_ulDataLength;
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BOOL pwi_bInfoLoaded, pwi_bDataLoaded; // Status
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SWORD *pwi_pswMemory; // Memory
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/* Conversion */
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DOUBLE pwi_dRatio;
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// get and store data
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inline ULONG GetData_t( CTStream *pCstrInput);
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inline void StoreData( ULONG ulData);
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void CopyData_t( CTStream *pCstrInput);
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void ShrinkData_t( CTStream *pCstrInput);
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public:
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// Check wave format
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2016-04-04 08:34:07 +02:00
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static void CheckWaveFormat_t( WAVEFORMATEX SwfeCheck, const char *pcErrorString);
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2016-03-11 14:57:17 +01:00
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/* Constructor */
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inline PCMWaveInput(void) { pwi_bInfoLoaded = FALSE; pwi_bDataLoaded = FALSE; };
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/* Load Wave info */
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WAVEFORMATEX LoadInfo_t( CTStream *pCstrInput);
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/* Load and convert Wave data */
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void LoadData_t( CTStream *pCstrInput, SWORD *pswMemory, WAVEFORMATEX &SwfeDesired);
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/* Length in bytes / blocks / seconds */
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ULONG GetByteLength(void);
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ULONG GetDataLength(void);
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ULONG GetDataLength( WAVEFORMATEX SwfeDesired);
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DOUBLE GetSecondsLength(void);
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/* Buffer length in bytes */
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ULONG DetermineBufferSize(void);
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ULONG DetermineBufferSize( WAVEFORMATEX SwfeDesired);
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};
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#endif /* include-once check. */
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