dswave.h

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/*==========================================================================
 *
 *  Copyright (C) 1995 Microsoft Corporation. All Rights Reserved.
 *
 *  File:               dswave.h
 *  Content:    Wave library routines.
 *
 *      This file is used for loading/saving waves, and reading and
 *      writing waves in smaller blocks.
 *      Uses WaveOpenFile, WaveReadFile and WaveCloseReadFile for
 *      single block access to reading wave files.
 *      Uses WaveCreateFile, WaveWriteFile, WaveCloseWriteFile for
 *      single block access for writing  wave files.
 *      Uses WaveLoadFile to load a whole wave file into memory.
 *      Uses WaveSaveFile to save a whole wave file from memory.
 *
 ***************************************************************************/

/* WAVE I/O subsystem defines */

#define WAVEVERSION 1

#ifndef ER_MEM
#define ER_MEM                  0xe000
#endif

#ifndef ER_CANNOTOPEN
#define ER_CANNOTOPEN           0xe100
#endif

#ifndef ER_NOTWAVEFILE
#define ER_NOTWAVEFILE          0xe101
#endif

#ifndef ER_CANNOTREAD
#define ER_CANNOTREAD           0xe102
#endif

#ifndef ER_CORRUPTWAVEFILE
#define ER_CORRUPTWAVEFILE      0xe103
#endif

#ifndef ER_CANNOTWRITE
#define ER_CANNOTWRITE          0xe104
#endif

/* Streaming communication defines and structures */


int WaveOpenFile(char *, HMMIO *, WAVEFORMATEX **, MMCKINFO *);
int WaveStartDataRead(HMMIO *, MMCKINFO *, MMCKINFO *);
int WaveReadFile(HMMIO, UINT, BYTE *, MMCKINFO *, UINT *);
int WaveCloseReadFile(HMMIO *, WAVEFORMATEX **);

int WaveCreateFile(char *, HMMIO *, WAVEFORMATEX *, MMCKINFO *, MMCKINFO *);
int WaveStartDataWrite(HMMIO *, MMCKINFO *, MMIOINFO *);
int WaveWriteFile(HMMIO, UINT, BYTE *, MMCKINFO *, UINT *, MMIOINFO *);
int WaveCloseWriteFile(HMMIO, MMCKINFO *, MMCKINFO *, MMIOINFO *, DWORD);

int WaveLoadFile(char *, UINT *, DWORD *, WAVEFORMATEX **, BYTE **);
int WaveSaveFile(char *, UINT, DWORD, WAVEFORMATEX *, BYTE *);

int WaveCopyUselessChunks(HMMIO *, MMCKINFO *, MMCKINFO *, HMMIO *,
                                MMCKINFO *, MMCKINFO *);
BOOL riffCopyChunk(HMMIO, HMMIO, const LPMMCKINFO);