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 28