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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