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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 #ifndef MEDIA_FORMATS_MP4_AAC_H_ | 5 #ifndef MEDIA_FORMATS_MP4_AAC_H_ |
6 #define MEDIA_FORMATS_MP4_AAC_H_ | 6 #define MEDIA_FORMATS_MP4_AAC_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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24 // for more details. | 24 // for more details. |
25 class MEDIA_EXPORT AAC { | 25 class MEDIA_EXPORT AAC { |
26 public: | 26 public: |
27 AAC(); | 27 AAC(); |
28 ~AAC(); | 28 ~AAC(); |
29 | 29 |
30 // Parse the AAC config from the raw binary data embedded in esds box. | 30 // Parse the AAC config from the raw binary data embedded in esds box. |
31 // The function will parse the data and get the ElementaryStreamDescriptor, | 31 // The function will parse the data and get the ElementaryStreamDescriptor, |
32 // then it will parse the ElementaryStreamDescriptor to get audio stream | 32 // then it will parse the ElementaryStreamDescriptor to get audio stream |
33 // configurations. | 33 // configurations. |
34 bool Parse(const std::vector<uint8>& data, const LogCB& log_cb); | 34 bool Parse(const std::vector<uint8>& data, |
| 35 const scoped_refptr<MediaLog>& media_log); |
35 | 36 |
36 // Gets the output sample rate for the AAC stream. | 37 // Gets the output sample rate for the AAC stream. |
37 // |sbr_in_mimetype| should be set to true if the SBR mode is | 38 // |sbr_in_mimetype| should be set to true if the SBR mode is |
38 // signalled in the mimetype. (ie mp4a.40.5 in the codecs parameter). | 39 // signalled in the mimetype. (ie mp4a.40.5 in the codecs parameter). |
39 // Returns the samples_per_second value that should used in an | 40 // Returns the samples_per_second value that should used in an |
40 // AudioDecoderConfig. | 41 // AudioDecoderConfig. |
41 int GetOutputSamplesPerSecond(bool sbr_in_mimetype) const; | 42 int GetOutputSamplesPerSecond(bool sbr_in_mimetype) const; |
42 | 43 |
43 // Gets the channel layout for the AAC stream. | 44 // Gets the channel layout for the AAC stream. |
44 // |sbr_in_mimetype| should be set to true if the SBR mode is | 45 // |sbr_in_mimetype| should be set to true if the SBR mode is |
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83 int frequency_; | 84 int frequency_; |
84 int extension_frequency_; | 85 int extension_frequency_; |
85 ChannelLayout channel_layout_; | 86 ChannelLayout channel_layout_; |
86 }; | 87 }; |
87 | 88 |
88 } // namespace mp4 | 89 } // namespace mp4 |
89 | 90 |
90 } // namespace media | 91 } // namespace media |
91 | 92 |
92 #endif // MEDIA_FORMATS_MP4_AAC_H_ | 93 #endif // MEDIA_FORMATS_MP4_AAC_H_ |
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