media/formats/mpeg/adts_constants.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/formats/mpeg/adts_constants.h"
   6
   7 #include "base/macros.h"
   8
   9 namespace media {
  10
  11 // The following conversion table is extracted from ISO 14496 Part 3 -
  12 // Table 1.16 - Sampling Frequency Index.
  13 const int kADTSFrequencyTable[] = {96000, 88200, 64000, 48000, 44100,
  14                                    32000, 24000, 22050, 16000, 12000,
  15                                    11025, 8000,  7350};
  16 const size_t kADTSFrequencyTableSize = arraysize(kADTSFrequencyTable);
  17
  18 // The following conversion table is extracted from ISO 14496 Part 3 -
  19 // Table 1.17 - Channel Configuration.
  20 const media::ChannelLayout kADTSChannelLayoutTable[] = {
  21     media::CHANNEL_LAYOUT_NONE,     media::CHANNEL_LAYOUT_MONO,
  22     media::CHANNEL_LAYOUT_STEREO,   media::CHANNEL_LAYOUT_SURROUND,
  23     media::CHANNEL_LAYOUT_4_0,      media::CHANNEL_LAYOUT_5_0_BACK,
  24     media::CHANNEL_LAYOUT_5_1_BACK, media::CHANNEL_LAYOUT_7_1};
  25 const size_t kADTSChannelLayoutTableSize = arraysize(kADTSChannelLayoutTable);
  26
  27 }  // namespace media