mirror of
https://github.com/nzp-team/quakespasm.git
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105 lines
3 KiB
C
105 lines
3 KiB
C
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/*
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* Audio Codecs: Adapted from ioquake3 with changes.
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* For now, only handles streaming music, not sound effects.
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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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* Copyright (C) 2010-2012 O.Sezer <sezero@users.sourceforge.net>
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*
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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 (at
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* See the 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, 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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typedef struct snd_info_s
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{
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int rate;
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int bits, width;
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int channels;
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int samples;
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int blocksize;
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int size;
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int dataofs;
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} snd_info_t;
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typedef enum {
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STREAM_NONE = -1,
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STREAM_INIT,
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STREAM_PAUSE,
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STREAM_PLAY
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} stream_status_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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fshandle_t fh;
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qboolean pak;
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char name[MAX_QPATH]; /* name of the source file */
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snd_info_t info;
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stream_status_t status;
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snd_codec_t *codec; /* codec handling this stream */
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void *priv; /* data private to the codec. */
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} snd_stream_t;
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void S_CodecInit (void);
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void S_CodecShutdown (void);
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/* Callers of the following S_CodecOpenStream* functions
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* are reponsible for attaching any path to the filename */
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snd_stream_t *S_CodecOpenStreamType (const char *filename, unsigned int type);
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/* Decides according to the required type. */
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snd_stream_t *S_CodecOpenStreamAny (const char *filename);
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/* Decides according to file extension. if the
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* name has no extension, try all available. */
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snd_stream_t *S_CodecOpenStreamExt (const char *filename);
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/* Decides according to file extension. the name
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* MUST have an extension. */
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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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int S_CodecRewindStream (snd_stream_t *stream);
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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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#define CODECTYPE_NONE 0
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#define CODECTYPE_MID (1U << 0)
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#define CODECTYPE_MOD (1U << 1)
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#define CODECTYPE_FLAC (1U << 2)
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#define CODECTYPE_WAV (1U << 3)
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#define CODECTYPE_MP3 (1U << 4)
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#define CODECTYPE_VORBIS (1U << 5)
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#define CODECTYPE_OPUS (1U << 6)
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#define CODECTYPE_UMX (1U << 7)
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#define CODECTYPE_WAVE CODECTYPE_WAV
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#define CODECTYPE_MIDI CODECTYPE_MID
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int S_CodecIsAvailable (unsigned int type);
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/* return 1 if available, 0 if codec failed init
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* or -1 if no such codec is present. */
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#endif /* _SND_CODEC_H_ */
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