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 <stdlib.h>
  27 #include "config.h"
  28
  29 #ifdef HAVE_ALBUMART
  30
  31 #include "bmp.h"
  32 #include "metadata.h"
  33 /*
  34  * Returns the handle id of the buffered albumart for the given slot id
  35  **/
  36 int playback_current_aa_hid(int slot);
  37
  38 /*
  39  * Hands out an albumart slot for buffering albumart using the size
  40  * int the passed dim struct, it copies the data of dim in order to
  41  * be safe to be reused for other code
  42  *
  43  * The slot may be reused if other code calls this with the same dimensions
  44  * in dim, so if you change dim release and claim a new slot
  45  *
  46  * Save to call from other threads */
  47 int playback_claim_aa_slot(struct dim *dim);
  48
  49 /*
  50  * Releases the albumart slot with given id
  51  *
  52  * Save to call from other threads */
  53 void playback_release_aa_slot(int slot);
  54
  55 struct bufopen_bitmap_data {
  56     struct dim *dim;
  57     struct mp3_albumart *embedded_albumart;
  58 };
  59
  60 #endif
  61
  62 /* Functions */
  63 void voice_wait(void);
  64 bool audio_is_thread_ready(void);
  65 int audio_track_count(void);
  66 long audio_filebufused(void);
  67 void audio_pre_ff_rewind(void);
  68 void audio_skip(int direction);
  69 void audio_hard_stop(void); /* Stops audio from serving playback */
  70 #ifdef HAVE_CROSSFADE
  71 void audio_set_crossfade(int enable);
  72 #endif
  73
  74 enum
  75 {
  76     AUDIO_WANT_PLAYBACK = 0,
  77     AUDIO_WANT_VOICE,
  78 };
  79 bool audio_restore_playback(int type); /* Restores the audio buffer to handle the requested playback */
  80 size_t audio_get_filebuflen(void);
  81 void audio_pcmbuf_position_callback(unsigned int time) ICODE_ATTR;
  82 void audio_post_track_change(bool pcmbuf);
  83 int get_audio_hid(void);
  84 int *get_codec_hid(void);
  85 void audio_set_prev_elapsed(unsigned long setting);
  86 bool audio_buffer_state_trashed(void);
  87
  88 /* Define one constant that includes recording related functionality */
  89 #if defined(HAVE_RECORDING) && !defined(SIMULATOR)
  90 #define AUDIO_HAVE_RECORDING
  91 #endif
  92
  93 enum {
  94     Q_NULL = 0,
  95     Q_AUDIO_PLAY = 1,
  96     Q_AUDIO_STOP,
  97     Q_AUDIO_PAUSE,
  98     Q_AUDIO_SKIP,
  99     Q_AUDIO_PRE_FF_REWIND,
 100     Q_AUDIO_FF_REWIND,
 101     Q_AUDIO_CHECK_NEW_TRACK,
 102     Q_AUDIO_FLUSH,
 103     Q_AUDIO_TRACK_CHANGED,
 104     Q_AUDIO_DIR_SKIP,
 105     Q_AUDIO_POSTINIT,
 106     Q_AUDIO_FILL_BUFFER,
 107     Q_AUDIO_FINISH_LOAD,
 108     Q_CODEC_REQUEST_COMPLETE,
 109     Q_CODEC_REQUEST_FAILED,
 110
 111     Q_CODEC_LOAD,
 112     Q_CODEC_LOAD_DISK,
 113
 114 #ifdef AUDIO_HAVE_RECORDING
 115     Q_ENCODER_LOAD_DISK,
 116     Q_ENCODER_RECORD,
 117 #endif
 118
 119     Q_CODEC_DO_CALLBACK,
 120 };
 121
 122 #endif