libmpcodecs/ad.h

   1 #ifndef MPLAYER_AD_H
   2 #define MPLAYER_AD_H
   3
   4 #include "mpc_info.h"
   5 #include "libmpdemux/stheader.h"
   6
   7 typedef mp_codec_info_t ad_info_t;
   8
   9 /* interface of video decoder drivers */
  10 typedef struct ad_functions_s
  11 {
  12         ad_info_t *info;
  13         int (*preinit)(sh_audio_t *sh);
  14         int (*init)(sh_audio_t *sh);
  15         void (*uninit)(sh_audio_t *sh);
  16         int (*control)(sh_audio_t *sh,int cmd,void* arg, ...);
  17         int (*decode_audio)(sh_audio_t *sh,unsigned char* buffer,int minlen,int maxlen);
  18 } ad_functions_t;
  19
  20 // NULL terminated array of all drivers
  21 extern ad_functions_t* mpcodecs_ad_drivers[];
  22
  23 // fallback if ADCTRL_RESYNC not implemented: sh_audio->a_in_buffer_len=0;
  24 #define ADCTRL_RESYNC_STREAM 1       /* resync, called after seeking! */
  25
  26 // fallback if ADCTRL_SKIP not implemented: ds_fill_buffer(sh_audio->ds);
  27 #define ADCTRL_SKIP_FRAME 2         /* skip block/frame, called while seeking! */
  28
  29 // fallback if ADCTRL_QUERY_FORMAT not implemented: sh_audio->sample_format
  30 #define ADCTRL_QUERY_FORMAT 3 /* test for availabilty of a format */
  31
  32 // fallback: use hw mixer in libao
  33 #define ADCTRL_SET_VOLUME 4 /* set volume (used for mp3lib and liba52) */
  34
  35 #endif /* MPLAYER_AD_H */