firmware/mpeg.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Linus Nielsen Feltzing
  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 #ifndef _MPEG_H_
  20 #define _MPEG_H_
  21
  22 #include <stdbool.h>
  23
  24 struct mpeg_debug
  25 {
  26         int mp3buflen;
  27         int mp3buf_write;
  28         int mp3buf_swapwrite;
  29         int mp3buf_read;
  30
  31         int last_dma_chunk_size;
  32
  33         bool dma_on;
  34         bool playing;
  35         bool play_pending;
  36         bool is_playing;
  37         bool filling;
  38         bool dma_underrun;
  39
  40         int unplayed_space;
  41         int unswapped_space;
  42 };
  43
  44 void mpeg_init(int volume, int bass, int treble, int balance,
  45                int loudness, int bass_boost, int avc);
  46 void mpeg_play(int offset);
  47 void mpeg_stop(void);
  48 void mpeg_pause(void);
  49 void mpeg_resume(void);
  50 void mpeg_next(void);
  51 void mpeg_prev(void);
  52 void mpeg_ff_rewind(int change);
  53 void mpeg_flush_and_reload_tracks(void);
  54 void mpeg_sound_set(int setting, int value);
  55 int mpeg_sound_min(int setting);
  56 int mpeg_sound_max(int setting);
  57 int mpeg_sound_default(int setting);
  58 void mpeg_sound_channel_config(int configuration);
  59 int mpeg_val2phys(int setting, int value);
  60 int mpeg_phys2val(int setting, int value);
  61 char *mpeg_sound_unit(int setting);
  62 int mpeg_sound_numdecimals(int setting);
  63 struct mp3entry* mpeg_current_track(void);
  64 bool mpeg_has_changed_track(void);
  65 int mpeg_status(void);
  66 #ifdef HAVE_MAS3587F
  67 void mpeg_set_pitch(int percent);
  68 #endif
  69 void mpeg_get_debugdata(struct mpeg_debug *dbgdata);
  70
  71 #define SOUND_VOLUME 0
  72 #define SOUND_BASS 1
  73 #define SOUND_TREBLE 2
  74 #define SOUND_BALANCE 3
  75 #define SOUND_LOUDNESS 4
  76 #define SOUND_SUPERBASS 5
  77 #define SOUND_AVC 6
  78 #define SOUND_CHANNELS 7
  79 #define SOUND_NUMSETTINGS 8
  80
  81 #define MPEG_SOUND_STEREO 0
  82 #define MPEG_SOUND_MONO 1
  83 #define MPEG_SOUND_MONO_LEFT 2
  84 #define MPEG_SOUND_MONO_RIGHT 3
  85
  86 #define MPEG_STATUS_PLAY 1
  87 #define MPEG_STATUS_PAUSE 2
  88 #define MPEG_STATUS_RECORD 4
  89
  90 #endif