firmware/export/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 #include "id3.h"
  24 #include "events.h"
  25
  26 #define MPEG_SWAP_CHUNKSIZE  0x2000
  27 #define MPEG_HIGH_WATER  2 /* We leave 2 bytes empty because otherwise we
  28                               wouldn't be able to see the difference between
  29                               an empty buffer and a full one. */
  30 #define MPEG_LOW_WATER  0x60000
  31 #define MPEG_RECORDING_LOW_WATER  0x80000
  32 #define MPEG_LOW_WATER_CHUNKSIZE  0x40000
  33 #define MPEG_LOW_WATER_SWAP_CHUNKSIZE  0x10000
  34 #ifdef HAVE_MMC
  35 #define MPEG_PLAY_PENDING_THRESHOLD 0x20000
  36 #define MPEG_PLAY_PENDING_SWAPSIZE 0x20000
  37 #else
  38 #define MPEG_PLAY_PENDING_THRESHOLD 0x10000
  39 #define MPEG_PLAY_PENDING_SWAPSIZE 0x10000
  40 #endif
  41
  42 #define MPEG_MAX_PRERECORD_SECONDS 30
  43
  44 /* For ID3 info and VBR header */
  45 #define MPEG_RESERVED_HEADER_SPACE (4096 + 576)
  46
  47 #if (CONFIG_CODEC == MAS3587F) || defined(SIMULATOR)
  48
  49 #if CONFIG_TUNER & S1A0903X01
  50 int mpeg_get_mas_pllfreq(void);
  51 #endif
  52
  53 #endif
  54 unsigned long mpeg_get_last_header(void);
  55
  56 /* in order to keep the recording here, I have to expose this */
  57 void rec_tick(void);
  58 void playback_tick(void); /* FixMe: get rid of this, use mp3_get_playtime() */
  59
  60 void audio_set_track_changed_event(void (*handler)(struct mp3entry *id3));
  61 void audio_set_track_buffer_event(void (*handler)(struct mp3entry *id3));
  62 void audio_set_track_unbuffer_event(void (*handler)(struct mp3entry *id3));
  63 void audio_set_cuesheet_callback(bool (*handler)(const char *filename));
  64
  65 #endif