package/fonera-mp3/src/lib/mp3_common.h

   1 /*
   2 * FOXMP3
   3 * Copyright (c) 2006 acmesystems.it - john@acmesystems.it
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
  18 *
  19 * Feedback, Bugs...  info@acmesystems.it
  20 *
  21 */
  22
  23 #define MP3_CHUNK_SIZE                  4096
  24 #define MP3_BUFFERING                   0
  25 #define MP3_PLAYING                     1
  26 #define MP3_BUFFER_FINISHED             2
  27 #define MP3_PLAY_FINISHED               3
  28
  29 typedef struct _MP3_DATA{
  30         unsigned char mp3[MP3_CHUNK_SIZE];
  31         unsigned char state;
  32 } MP3_DATA;
  33
  34
  35 #define IOCTL_MP3_INIT                  0x01
  36 #define IOCTL_MP3_RESET                 0x02
  37 #define IOCTL_MP3_SETVOLUME             0x03
  38 #define IOCTL_MP3_GETVOLUME             0x04
  39 typedef struct _AUDIO_DATA{
  40         unsigned int bitrate;
  41         unsigned int sample_rate;
  42         unsigned char is_stereo;
  43 }AUDIO_DATA;
  44 #define IOCTL_MP3_GETAUDIODATA          0x05
  45
  46 #define IOCTL_MP3_CLEARBUFFER           0x06
  47 #define IOCTL_MP3_PLAY                  0x07
  48 typedef struct _MP3_BEEP{
  49         unsigned char   freq;
  50         unsigned int    ms;
  51 } MP3_BEEP;
  52 #define IOCTL_MP3_BEEP                  0x08
  53 #define IOCTL_MP3_END_REACHED           0x09
  54
  55 #define IOCTL_MP3_BASS                  0x10
  56
  57 #define CRYSTAL12288                    0x9800
  58 #define CRYSTAL24576                    0x0
  59
  60 #define MP3_OK                          0
  61 #define MP3_ERROR                       1
  62 #define MP3_END                         2
  63
  64 void mp3_reset(void);
  65 unsigned char mp3_send_data_to_buffer(MP3_DATA mp3_data);
  66 unsigned char mp3_buffer_finished(void);
  67 unsigned char mp3_play(void);
  68 void mp3_stop(void);
  69 int mp3_init(void);
  70 void mp3_bass(unsigned char t_freq, unsigned char t_amp,
  71                 unsigned char b_freq, unsigned char b_amp);
  72 void mp3_set_volume(unsigned char left, unsigned char right);