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98 lines
3 KiB
C
98 lines
3 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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Copyright (C) 2005 Stuart Dalton (badcdev@gmail.com)
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, 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
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#ifndef _SND_CODEC_H_
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#define _SND_CODEC_H_
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#include "../qcommon/q_shared.h"
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#include "../qcommon/qcommon.h"
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typedef struct snd_info_s
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{
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int rate;
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int width;
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int channels;
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int samples;
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int size;
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int dataofs;
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} snd_info_t;
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typedef struct snd_codec_s snd_codec_t;
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typedef struct snd_stream_s
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{
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snd_codec_t *codec;
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fileHandle_t file;
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snd_info_t info;
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int length;
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int pos;
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void *ptr;
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} snd_stream_t;
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// Codec functions
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typedef void *(*CODEC_LOAD)(const char *filename, snd_info_t *info);
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typedef snd_stream_t *(*CODEC_OPEN)(const char *filename);
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typedef int (*CODEC_READ)(snd_stream_t *stream, int bytes, void *buffer);
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typedef void (*CODEC_CLOSE)(snd_stream_t *stream);
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// Codec data structure
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struct snd_codec_s
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{
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char *ext;
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CODEC_LOAD load;
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CODEC_OPEN open;
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CODEC_READ read;
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CODEC_CLOSE close;
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snd_codec_t *next;
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};
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// Codec management
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void S_CodecInit( void );
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void S_CodecShutdown( void );
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void S_CodecRegister(snd_codec_t *codec);
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void *S_CodecLoad(const char *filename, snd_info_t *info);
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snd_stream_t *S_CodecOpenStream(const char *filename);
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void S_CodecCloseStream(snd_stream_t *stream);
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int S_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer);
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// Util functions (used by codecs)
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snd_stream_t *S_CodecUtilOpen(const char *filename, snd_codec_t *codec);
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void S_CodecUtilClose(snd_stream_t *stream);
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// WAV Codec
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extern snd_codec_t wav_codec;
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void *S_WAV_CodecLoad(const char *filename, snd_info_t *info);
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snd_stream_t *S_WAV_CodecOpenStream(const char *filename);
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void S_WAV_CodecCloseStream(snd_stream_t *stream);
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int S_WAV_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer);
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// Ogg Vorbis codec
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#ifdef USE_CODEC_VORBIS
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extern snd_codec_t ogg_codec;
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void *S_OGG_CodecLoad(const char *filename, snd_info_t *info);
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snd_stream_t *S_OGG_CodecOpenStream(const char *filename);
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void S_OGG_CodecCloseStream(snd_stream_t *stream);
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int S_OGG_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer);
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#endif // USE_CODEC_VORBIS
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#endif // !_SND_CODEC_H_
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