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proposal for audio decoders

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5325 b3059339-0415-0410-9bf9-f77b7e298cf2
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arpi 2002-03-25 02:39:58 +00:00
parent ccd1ad61ab
commit 8784c88322
1 changed files with 30 additions and 0 deletions
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30
libmpcodecs/ad.h Normal file
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#include "mpc_info.h"
typedef mp_codec_info_t ad_info_t;
/* interface of video decoder drivers */
typedef struct ad_functions_s
{
ad_info_t *info;
int (*init)(sh_audio_t *sh);
int (*start)(sh_audio_t *sh);
void (*uninit)(sh_audio_t *sh);
int (*control)(sh_audio_t *sh,int cmd,void* arg, ...);
int (*decode)(sh_audio_t *sh,unsigned char* buffer,int minlen,int maxlen,int flags);
} ad_functions_t;
// NULL terminated array of all drivers
extern ad_functions_t* mpcodecs_ad_drivers[];
// fallback if ADCTRL_RESYNC not implemented: sh_audio->a_in_buffer_len=0;
#define ADCTRL_RESYNC 1 /* resync, called after seeking! */
// fallback if ADCTRL_SKIP not implemented: ds_fill_buffer(sh_audio->ds);
#define ADCTRL_SKIP 2 /* skip block/frame, called while seeking! */
// fallback if ADCTRL_QUERY_FORMAT not implemented: sh_audio->sample_format
#define ADCTRL_QUERY_FORMAT 3 /* test for availabilty of a format */
// fallback: use hw mixer in libao
#define ADCTRL_SET_VOLUME 4 /* set volume (used for mp3lib and liba52) */