firmware/export/mp3_playback.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Code that has been in mpeg.c/h before, now creating an encapsulated play
  11  * data module, to be used by other sources than file playback as well.
  12  *
  13  * Copyright (C) 2004 by Linus Nielsen Feltzing
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21  * KIND, either express or implied.
  22  *
  23  ****************************************************************************/
  24 #ifndef _MP3_PLAYBACK_H_
  25 #define _MP3_PLAYBACK_H_
  26
  27 #include <stdbool.h>
  28
  29 /* functions formerly in mpeg.c */
  30 void mp3_init(int volume, int bass, int treble, int balance, int loudness,
  31               int avc, int channel_config, int stereo_width,
  32               int mdb_strength, int mdb_harmonics,
  33               int mdb_center, int mdb_shape, bool mdb_enable,
  34               bool superbass);
  35
  36 /* exported just for mpeg.c, to keep the recording there */
  37 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
  38 void demand_irq_enable(bool on);
  39 #endif
  40
  41 /* new functions, exported to plugin API */
  42 void mp3_play_init(void);
  43 void mp3_play_data(const unsigned char* start, int size,
  44     void (*get_more)(unsigned char** start, size_t* size) /* callback fn */
  45 );
  46 void mp3_play_pause(bool play);
  47 bool mp3_pause_done(void);
  48 void mp3_play_stop(void);
  49 long mp3_get_playtime(void);
  50 void mp3_reset_playtime(void);
  51 bool mp3_is_playing(void);
  52 unsigned char* mp3_get_pos(void);
  53 void mp3_shutdown(void);
  54
  55 #endif /* #ifndef _MP3_PLAYBACK_H_ */