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  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _PLAYBACK_H
  23 #define _PLAYBACK_H
  24
  25 #include <stdbool.h>
  26 #include "config.h"
  27
  28 #ifdef HAVE_ALBUMART
  29
  30 #include "bmp.h"
  31 /*
  32  * Returns the handle id of the buffered albumart for the given slot id
  33  **/
  34 int playback_current_aa_hid(int slot);
  35
  36 /*
  37  * Hands out an albumart slot for buffering albumart using the size
  38  * int the passed dim struct, it copies the data of dim in order to
  39  * be safe to be reused for other code
  40  *
  41  * The slot may be reused if other code calls this with the same dimensions
  42  * in dim, so if you change dim release and claim a new slot
  43  *
  44  * Save to call from other threads */
  45 int playback_claim_aa_slot(struct dim *dim);
  46
  47 /*
  48  * Releases the albumart slot with given id
  49  *
  50  * Save to call from other threads */
  51 void playback_release_aa_slot(int slot);
  52 #endif
  53
  54 /* Functions */
  55 const char *get_codec_filename(int cod_spec);
  56 void voice_wait(void);
  57 bool audio_is_thread_ready(void);
  58 int audio_track_count(void);
  59 long audio_filebufused(void);
  60 void audio_pre_ff_rewind(void);
  61 void audio_set_crossfade(int type);
  62 void audio_skip(int direction);
  63 void audio_hard_stop(void); /* Stops audio from serving playback */
  64
  65 enum
  66 {
  67     AUDIO_WANT_PLAYBACK = 0,
  68     AUDIO_WANT_VOICE,
  69 };
  70 bool audio_restore_playback(int type); /* Restores the audio buffer to handle the requested playback */
  71 void codec_thread_do_callback(void (*fn)(void),
  72                               unsigned int *codec_thread_id);
  73
  74
  75 #if CONFIG_CODEC == SWCODEC /* This #ifdef is better here than gui/wps.c */
  76 extern void audio_next_dir(void);
  77 extern void audio_prev_dir(void);
  78 #else
  79 #define audio_next_dir() ({ })
  80 #define audio_prev_dir() ({ })
  81 #endif
  82
  83 #endif
  84
  85