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xash3d-fwgs/engine/common/soundlib/libmpg/libmpg.h

56 lines
1.7 KiB
C

/*
libmpg.h - compact version of famous library mpg123
Copyright (C) 2017 Uncle Mike
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 3 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.
*/
#ifndef LIBMPG_H
#define LIBMPG_H
#ifdef __cplusplus
extern "C" {
#endif
// error codes
#define MP3_ERR -1
#define MP3_OK 0
#define MP3_NEED_MORE 1
#define OUTBUF_SIZE 8192 // don't change!
typedef struct
{
int rate; // num samples per second (e.g. 11025 - 11 khz)
int channels; // num channels (1 - mono, 2 - stereo)
int playtime; // stream size in milliseconds
} wavinfo_t;
// custom stdio
typedef long (*pfread)( void *handle, void *buf, size_t count );
typedef long (*pfseek)( void *handle, long offset, int whence );
extern void *create_decoder( int *error );
extern int feed_mpeg_header( void *mpg, const byte *data, long bufsize, long streamsize, wavinfo_t *sc );
extern int feed_mpeg_stream( void *mpg, const byte *data, long bufsize, byte *outbuf, size_t *outsize );
extern int open_mpeg_stream( void *mpg, void *file, pfread f_read, pfseek f_seek, wavinfo_t *sc );
extern int read_mpeg_stream(void *mpg, byte *outbuf, size_t *outsize );
extern int get_stream_pos( void *mpg );
extern int set_stream_pos( void *mpg, int curpos );
extern void close_decoder( void *mpg );
const char *get_error( void *mpeg );
#ifdef __cplusplus
}
#endif
#endif//LIBMPG_H