ffmpeg/libavcodec/gsm.h

   1 /*
   2  * GSM common header
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef AVCODEC_GSM_H
  22 #define AVCODEC_GSM_H
  23
  24 /* bytes per block */
  25 #define GSM_BLOCK_SIZE     33
  26 #define GSM_MS_BLOCK_SIZE  65
  27 #define MSN_MIN_BLOCK_SIZE 41
  28
  29 /* samples per block */
  30 #define GSM_FRAME_SIZE 160
  31
  32 enum GSMModes {
  33     GSM_13000 = 0,
  34     MSN_12400,
  35     MSN_11800,
  36     MSN_11200,
  37     MSN_10600,
  38     MSN_10000,
  39     MSN_9400,
  40     MSN_8800,
  41     MSN_8200,
  42     NUM_GSM_MODES
  43 };
  44
  45 #endif /* AVCODEC_GSM_H */