cnq3/code/client/snd_codec.h

89 lines
2.4 KiB
C

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
Copyright (C) 2005 Stuart Dalton (badcdev@gmail.com)
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef _SND_CODEC_H_
#define _SND_CODEC_H_
#include "../qcommon/q_shared.h"
#include "../qcommon/qcommon.h"
struct snd_info_t
{
int rate;
int width;
int channels;
int samples;
int size;
int dataofs;
};
struct snd_codec_t;
typedef struct
{
const snd_codec_t* codec;
snd_info_t info;
fileHandle_t file;
int length;
int pos;
void *ptr;
} snd_stream_t;
// Codec functions
typedef byte* (*CODEC_LOAD)(const char *filename, snd_info_t *info);
typedef snd_stream_t* (*CODEC_OPEN)(const char *filename);
typedef int (*CODEC_READ)(snd_stream_t *stream, int bytes, void *buffer);
typedef void (*CODEC_CLOSE)(snd_stream_t *stream);
// Codec data structure
struct snd_codec_t
{
const char* ext;
CODEC_LOAD load;
CODEC_OPEN open;
CODEC_READ read;
CODEC_CLOSE close;
const snd_codec_t* next;
};
// Codec management
void S_CodecInit();
void S_CodecShutdown();
void S_CodecRegister( snd_codec_t* codec );
byte* S_CodecLoad( const char* filename, snd_info_t* info );
snd_stream_t* S_CodecOpenStream( const char* filename );
void S_CodecCloseStream(snd_stream_t *stream);
int S_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer);
// Util functions (used by codecs)
snd_stream_t* S_CodecUtilOpen( const char* filename, const snd_codec_t* codec );
void S_CodecUtilClose( snd_stream_t* stream );
extern snd_codec_t wav_codec;
#ifdef USE_CODEC_VORBIS
extern snd_codec_t ogg_codec;
#endif
#endif // !_SND_CODEC_H_