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/*
* Audio Codecs: Adapted from ioquake3 with changes.
* For now, only handles streaming music, not sound effects.
*
* Copyright (C) 1999-2005 Id Software, Inc.
* Copyright (C) 2005 Stuart Dalton <badcdev@gmail.com>
* Copyright (C) 2010-2012 O.Sezer <sezero@users.sourceforge.net>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _SND_CODEC_H_
#define _SND_CODEC_H_
typedef struct snd_info_s
{
int rate;
int bits, width;
int channels;
int samples;
int blocksize;
int size;
int dataofs;
} snd_info_t;
typedef enum {
STREAM_NONE = -1,
STREAM_INIT,
STREAM_PAUSE,
STREAM_PLAY
} stream_status_t;
typedef struct snd_codec_s snd_codec_t;
typedef struct snd_stream_s
{
fshandle_t fh;
qboolean pak;
char name[MAX_QPATH]; /* name of the source file */
snd_info_t info;
stream_status_t status;
snd_codec_t *codec; /* codec handling this stream */
void *priv; /* data private to the codec. */
} snd_stream_t;
void S_CodecInit (void);
void S_CodecShutdown (void);
/* Callers of the following S_CodecOpenStream* functions
* are reponsible for attaching any path to the filename */
snd_stream_t *S_CodecOpenStreamType (const char *filename, unsigned int type);
/* Decides according to the required type. */
snd_stream_t *S_CodecOpenStreamAny (const char *filename);
/* Decides according to file extension. if the
* name has no extension, try all available. */
snd_stream_t *S_CodecOpenStreamExt (const char *filename);
/* Decides according to file extension. the name
* MUST have an extension. */
void S_CodecCloseStream (snd_stream_t *stream);
int S_CodecReadStream (snd_stream_t *stream, int bytes, void *buffer);
int S_CodecRewindStream (snd_stream_t *stream);
snd_stream_t *S_CodecUtilOpen(const char *filename, snd_codec_t *codec);
void S_CodecUtilClose(snd_stream_t **stream);
#define CODECTYPE_NONE 0
#define CODECTYPE_MID (1U << 0)
#define CODECTYPE_MOD (1U << 1)
#define CODECTYPE_FLAC (1U << 2)
#define CODECTYPE_WAV (1U << 3)
#define CODECTYPE_MP3 (1U << 4)
#define CODECTYPE_VORBIS (1U << 5)
#define CODECTYPE_OPUS (1U << 6)
#define CODECTYPE_UMX (1U << 7)
#define CODECTYPE_WAVE CODECTYPE_WAV
#define CODECTYPE_MIDI CODECTYPE_MID
int S_CodecIsAvailable (unsigned int type);
/* return 1 if available, 0 if codec failed init
* or -1 if no such codec is present. */
#endif /* _SND_CODEC_H_ */
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