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 #include "events.h"
  28
  29 /* Not yet implemented. */
  30 #define CODEC_SET_AUDIOBUF_WATERMARK    4
  31
  32 #if MEM > 1
  33 #define MAX_TRACK       128
  34 #else
  35 #define MAX_TRACK       32
  36 #endif
  37
  38 #define MAX_TRACK_MASK  (MAX_TRACK-1)
  39
  40 /* Functions */
  41 const char *get_codec_filename(int cod_spec);
  42 void voice_wait(void);
  43 void audio_wait_for_init(void);
  44 int audio_track_count(void);
  45 long audio_filebufused(void);
  46 void audio_pre_ff_rewind(void);
  47 void audio_set_crossfade(int type);
  48
  49 void audio_hard_stop(void); /* Stops audio from serving playback */
  50
  51 enum
  52 {
  53     AUDIO_WANT_PLAYBACK = 0,
  54     AUDIO_WANT_VOICE,
  55 };
  56 bool audio_restore_playback(int type); /* Restores the audio buffer to handle the requested playback */
  57
  58 #ifdef HAVE_ALBUMART
  59 int audio_current_aa_hid(void);
  60 #endif
  61
  62 #if CONFIG_CODEC == SWCODEC /* This #ifdef is better here than gui/gwps.c */
  63 extern void audio_next_dir(void);
  64 extern void audio_prev_dir(void);
  65 #else
  66 #define audio_next_dir()
  67 #define audio_prev_dir()
  68 #endif
  69
  70 #endif
  71
  72