94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/***********************************************************************
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*
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* Copyright (c) 2004 PalmOne Inc. or its subsidiaries.
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* All rights reserved.
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*
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***********************************************************************/
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/***********************************************************************
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*
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* File:
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* Wave.h
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*
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* Description:
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* Basic Wave Utilities
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*
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* Version 1.0 - Initial Revision (03/04/03)
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*
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***********************************************************************/
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#ifndef WAVE_H_
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#define WAVE_H_
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#include <PalmTypes.h>
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#include <VFSMgr.H>
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typedef struct {
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UInt32 type;
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UInt32 size;
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} ChunkHeader;
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typedef struct {
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ChunkHeader header;
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} RiffChunk;
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typedef struct {
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ChunkHeader header;
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UInt16 audioFormat;
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UInt16 channels;
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UInt32 sampleRate;
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UInt32 avgByteRate;
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UInt16 blockAlign;
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UInt16 bitsPerSample;
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} FmtSubChunk;
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typedef struct {
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UInt16 size;
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UInt16 samplesPerBlock;
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} ExtraDataBlock;
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typedef struct {
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UInt32 type;
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UInt32 size;
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} DataSubChunk;
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typedef struct {
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RiffChunk riff;
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UInt32 waveType;
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FmtSubChunk fmt;
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} WaveHeader;
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typedef struct {
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WaveHeader header;
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ExtraDataBlock extra;
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DataSubChunk data;
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} WaveIMAADPCM;
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#define WAVE_TYPE_PCM 0x0001
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#define WAVE_TYPE_IMAADPCM 0x0011
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typedef struct {
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UInt32 format; // PCM or ADPCM
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UInt32 sampleType; // SndInt8...
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UInt32 sampleRate; // 44kHz...
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UInt32 sampleWidth; // Mono, Stereo...
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UInt32 blockAlign; // For ADPCM only
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} WAVInfo;
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/************************************************************
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*
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* Function Prototypes
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*
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*************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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Err ReadWAVHeader(void *bufferP, UInt32 bufferSize, WAVInfo *wavInfoP, UInt32 *dataOffsetP);
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Err WriteADPCM_WAVEHeader(WAVInfo *wavInfoP, FileRef fileRef, UInt32 fileLength, UInt32 *written);
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#ifdef __cplusplus
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}
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#endif
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#endif /* WAVE_H_ */ |