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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/formats/mp4/aac.h" | 5 #include "media/formats/mp4/aac.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 | 10 |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "build/build_config.h" | 12 #include "build/build_config.h" |
13 #include "media/base/bit_reader.h" | 13 #include "media/base/bit_reader.h" |
14 #include "media/formats/mp4/rcheck.h" | 14 #include "media/formats/mp4/rcheck.h" |
15 #include "media/formats/mpeg/adts_constants.h" | 15 #include "media/formats/mpeg/adts_constants.h" |
16 | 16 |
17 namespace media { | 17 namespace media { |
18 namespace mp4 { | 18 namespace mp4 { |
19 | 19 |
20 AAC::AAC() | 20 AAC::AAC() |
21 : profile_(0), frequency_index_(0), channel_config_(0), frequency_(0), | 21 : profile_(0), frequency_index_(0), channel_config_(0), frequency_(0), |
22 extension_frequency_(0), channel_layout_(CHANNEL_LAYOUT_UNSUPPORTED) { | 22 extension_frequency_(0), channel_layout_(CHANNEL_LAYOUT_UNSUPPORTED) { |
23 } | 23 } |
24 | 24 |
25 AAC::AAC(const AAC& other) = default; | 25 AAC::AAC(const AAC& other) = default; |
26 | 26 |
27 AAC::~AAC() { | 27 AAC::~AAC() { |
28 } | 28 } |
29 | 29 |
30 bool AAC::Parse(const std::vector<uint8_t>& data, | 30 bool AAC::Parse(const std::vector<uint8_t>& data, MediaLog* media_log) { |
31 const scoped_refptr<MediaLog>& media_log) { | |
32 #if defined(OS_ANDROID) | 31 #if defined(OS_ANDROID) |
33 codec_specific_data_ = data; | 32 codec_specific_data_ = data; |
34 #endif | 33 #endif |
35 if (data.empty()) | 34 if (data.empty()) |
36 return false; | 35 return false; |
37 | 36 |
38 BitReader reader(&data[0], data.size()); | 37 BitReader reader(&data[0], data.size()); |
39 uint8_t extension_type = 0; | 38 uint8_t extension_type = 0; |
40 bool ps_present = false; | 39 bool ps_present = false; |
41 uint8_t extension_frequency_index = 0xff; | 40 uint8_t extension_frequency_index = 0xff; |
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256 | 255 |
257 RCHECK(bit_reader->ReadBits(1, &dummy)); // extensionFlag3 | 256 RCHECK(bit_reader->ReadBits(1, &dummy)); // extensionFlag3 |
258 } | 257 } |
259 | 258 |
260 return true; | 259 return true; |
261 } | 260 } |
262 | 261 |
263 } // namespace mp4 | 262 } // namespace mp4 |
264 | 263 |
265 } // namespace media | 264 } // namespace media |
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