avolkov
c0cabf8bcb
git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@3608 8092fc87-c524-0410-9efc-e669fe64eaf9
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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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 the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Wave format encoder/decoder */
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#ifndef WAV_H_INCL
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#define WAV_H_INCL
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#include <stdint.h>
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#include "port.h"
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#define wave_MAKE_ID(x1, x2, x3, x4) \
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(((x4) << 24) | ((x3) << 16) | ((x2) << 8) | (x1))
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#define wave_RiffID wave_MAKE_ID('R', 'I', 'F', 'F')
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#define wave_WaveID wave_MAKE_ID('W', 'A', 'V', 'E')
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#define wave_FmtID wave_MAKE_ID('f', 'm', 't', ' ')
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#define wave_DataID wave_MAKE_ID('d', 'a', 't', 'a')
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typedef struct
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{
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uint32_t id;
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uint32_t size;
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uint32_t type;
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} wave_FileHeader;
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typedef struct
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{
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uint16_t format;
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uint16_t channels;
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uint32_t samplesPerSec;
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uint32_t bytesPerSec;
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uint16_t blockAlign;
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uint16_t bitsPerSample;
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} wave_FormatHeader;
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#define WAVE_FORMAT_PCM 1
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typedef struct
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{
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uint32_t id;
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uint32_t size;
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} wave_ChunkHeader;
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typedef struct
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{
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// read-only
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wave_FormatHeader fmtHdr;
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int last_error;
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// internal
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bool writing;
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FILE *fp;
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unsigned bytesPerSample;
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uint32_t data_ofs;
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uint32_t data_size;
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uint32_t max_pcm;
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uint32_t cur_pcm;
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} wave_File;
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bool wave_open(wave_File *wave, const char *filename);
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bool wave_create(wave_File *wave, const char *filename);
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void wave_close(wave_File *wave);
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bool wave_setFormat(wave_File *wave, uint16_t chans, uint16_t bitsPerSample,
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uint32_t freq);
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uint32_t wave_readData(wave_File *wave, void *buf, uint32_t bufsize);
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uint32_t wave_writeData(wave_File *wave, void *buf, uint32_t bufsize);
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#endif /* WAV_H_INCL */
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