firmware/enc_base.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 Michael Sevakis
  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 #include "config.h"
  20 #include "audio.h"
  21
  22 /** aiff_enc.codec **/
  23
  24 /** mp3_enc.codec **/
  25
  26 /* These are in descending order rather than in MPEG frequency index
  27    order */
  28 const unsigned long mp3_enc_sampr[MP3_ENC_NUM_SAMPR] =
  29 {
  30     48000, 44100, 32000, /* MPEG 1   */
  31     24000, 22050, 16000, /* MPEG 2   */
  32 #if 0
  33     12000, 11025,  8000, /* MPEG 2.5 */
  34 #endif
  35 };
  36
  37 /* All bitrates used in the MPA L3 standard */
  38 const unsigned long mp3_enc_bitr[MP3_ENC_NUM_BITR] =
  39 {
  40       8,  16,  24,  32,  40,  48,  56,  64,  80,
  41      96, 112, 128, 144, 160, 192, 224, 256, 320
  42 };
  43
  44 /** wav_enc.codec **/
  45
  46 /** wavpack_enc.codec **/
  47
  48 /** public functions **/