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* OpenAL support, from BlackAura aka Stuart Dalton <badcdev@gmail.com>

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+ An abstract codec system, simplifying support for new formats
  + Changes versus BlackAura's patch:
    o Consolidated the OpenAL parts into one file
    o Changed the function naming scheme to more closely resemble Q3
    o Changed the interface to fall back on the "base" sound system
      if loading OpenAL fails
  + This is enabled on Linux and MinGW for now, but should work on the
    other *nixs with appropriate additions to the Makefile
  + NOT enabled on OS X or MSVC Windows builds
  + Probably breaks the Windows build again
* Retabulated sdl_snd.c and made the messages less verbose since
  there do not seem to be many having problems with SDL sound now
This commit is contained in:
Tim Angus 2005-11-13 18:58:14 +00:00
parent 79ceef93cc
commit 84c4f21082
14 changed files with 3813 additions and 703 deletions
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97
code/client/snd_codec.h Normal file
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/*
===========================================================================
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"
typedef struct snd_info_s
{
int rate;
int width;
int channels;
int samples;
int size;
int dataofs;
} snd_info_t;
typedef struct snd_codec_s snd_codec_t;
typedef struct snd_stream_s
{
snd_codec_t *codec;
fileHandle_t file;
snd_info_t info;
int pos;
void *ptr;
} snd_stream_t;
// Codec functions
typedef void *(*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_s
{
char *ext;
CODEC_LOAD load;
CODEC_OPEN open;
CODEC_READ read;
CODEC_CLOSE close;
snd_codec_t *next;
};
// Codec management
void S_CodecInit( void );
void S_CodecShutdown( void );
void S_CodecRegister(snd_codec_t *codec);
void *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, snd_codec_t *codec);
void S_CodecUtilClose(snd_stream_t *stream);
// WAV Codec
extern snd_codec_t wav_codec;
void *S_WAV_CodecLoad(const char *filename, snd_info_t *info);
snd_stream_t *S_WAV_CodecOpenStream(const char *filename);
void S_WAV_CodecCloseStream(snd_stream_t *stream);
int S_WAV_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer);
// Ogg Vorbis codec
#ifdef USE_CODEC_VORBIS
extern snd_codec_t ogg_codec;
void *S_OGG_CodecLoad(const char *filename, snd_info_t *info);
snd_stream_t *S_OGG_CodecOpenStream(const char *filename);
void S_OGG_CodecCloseStream(snd_stream_t *stream);
int S_OGG_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer);
#endif // USE_CODEC_VORBIS
#endif // !_SND_CODEC_H_