apps/playback.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 Miika Pekkarinen
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #ifndef _PLAYBACK_H
  21 #define _PLAYBACK_H
  22
  23 #include <stdbool.h>
  24
  25 #include "id3.h"
  26 #include "mp3data.h"
  27
  28 #define CODEC_IDX_AUDIO     0
  29 #define CODEC_IDX_VOICE     1
  30
  31 /* Not yet implemented. */
  32 #define CODEC_SET_AUDIOBUF_WATERMARK    4
  33
  34 #if MEM > 1
  35 #define MAX_TRACK       128
  36 #else
  37 #define MAX_TRACK       32
  38 #endif
  39
  40 #define MAX_TRACK_MASK  (MAX_TRACK-1)
  41
  42 #define PLAYBACK_MAX_EVENTS  4
  43 enum PLAYBACK_EVENT_TYPE {
  44     PLAYBACK_EVENT_TRACK_BUFFER,
  45     PLAYBACK_EVENT_TRACK_FINISH,
  46     PLAYBACK_EVENT_TRACK_CHANGE,
  47 };
  48
  49 /* Functions */
  50 const char * get_codec_filename(int cod_spec);
  51 void voice_wait(void);
  52
  53 #if CONFIG_CODEC == SWCODEC /* This #ifdef is better here than gui/gwps.c */
  54 extern void audio_next_dir(void);
  55 extern void audio_prev_dir(void);
  56 void playback_add_event(enum PLAYBACK_EVENT_TYPE type, void (*handler));
  57 void playback_remove_event(enum PLAYBACK_EVENT_TYPE type, void (*handler));
  58 #else
  59 /* Really, should get rid of these HWCODEC api definitions here. */
  60 void audio_set_track_changed_event(void (*handler)(struct mp3entry *id3));
  61 void audio_set_track_buffer_event(void (*handler)(struct mp3entry *id3));
  62 void audio_set_track_unbuffer_event(void (*handler)(struct mp3entry *id3));
  63 # define audio_next_dir()
  64 #define audio_prev_dir()
  65 #endif
  66
  67 #endif
  68
  69