vorbis-tools/ogg123/callbacks.h

   1 /********************************************************************
   2  *                                                                  *
   3  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
   4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
   5  * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE.    *
   6  * PLEASE READ THESE TERMS BEFORE DISTRIBUTING.                     *
   7  *                                                                  *
   8  * THE Ogg123 SOURCE CODE IS (C) COPYRIGHT 2000-2001                *
   9  * by Stan Seibert <volsung@xiph.org> AND OTHER CONTRIBUTORS        *
  10  * http://www.xiph.org/                                             *
  11  *                                                                  *
  12  ********************************************************************
  13
  14  last mod: $Id: callbacks.h,v 1.2 2001/12/19 02:52:53 volsung Exp $
  15
  16  ********************************************************************/
  17
  18 #ifndef __CALLBACKS_H__
  19 #define __CALLBACKS_H__
  20
  21 #include "audio.h"
  22 #include "buffer.h"
  23 #include "status.h"
  24 #include "format.h"
  25 #include "transport.h"
  26
  27
  28 /* Audio callbacks */
  29
  30 typedef struct audio_play_arg_t {
  31   stat_format_t *stat_format;
  32   audio_device_t *devices;
  33 } audio_play_arg_t;
  34
  35 typedef struct audio_reopen_arg_t {
  36   audio_device_t *devices;
  37   audio_format_t *format;
  38 } audio_reopen_arg_t;
  39
  40 int audio_play_callback (void *ptr, int nbytes, int eos, void *arg);
  41 void audio_reopen_action (buf_t *buf, void *arg);
  42
  43 audio_reopen_arg_t *new_audio_reopen_arg (audio_device_t *devices,
  44                                           audio_format_t *fmt);
  45
  46
  47 /* Statisitics callbacks */
  48
  49 typedef struct print_statistics_arg_t {
  50   stat_format_t *stat_format;
  51   data_source_stats_t *data_source_statistics;
  52   decoder_stats_t *decoder_statistics;
  53 } print_statistics_arg_t;
  54
  55 void print_statistics_action (buf_t *buf, void *arg);
  56 print_statistics_arg_t *new_print_statistics_arg (
  57                                stat_format_t *stat_format,
  58                                data_source_stats_t *data_source_statistics,
  59                                decoder_stats_t *decoder_statistics);
  60
  61
  62 /* Decoder callbacks */
  63 void decoder_error_callback (void *arg, int severity, char *message, ...);
  64 void decoder_metadata_callback (void *arg, int verbosity, char *message, ...);
  65
  66 void decoder_buffered_error_callback (void *arg, int severity,
  67                                       char *message, ...);
  68 void decoder_buffered_metadata_callback (void *arg, int verbosity,
  69                                          char *message, ...);
  70
  71
  72 #endif /* __CALLBACKS_H__ */