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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_AVC_H_ | 5 #ifndef MEDIA_FORMATS_MP4_AVC_H_ |
6 #define MEDIA_FORMATS_MP4_AVC_H_ | 6 #define MEDIA_FORMATS_MP4_AVC_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "media/base/decrypt_config.h" | |
11 #include "media/base/media_export.h" | 12 #include "media/base/media_export.h" |
12 | 13 |
13 namespace media { | 14 namespace media { |
14 namespace mp4 { | 15 namespace mp4 { |
15 | 16 |
16 struct AVCDecoderConfigurationRecord; | 17 struct AVCDecoderConfigurationRecord; |
17 | 18 |
18 class MEDIA_EXPORT AVC { | 19 class MEDIA_EXPORT AVC { |
19 public: | 20 public: |
20 static bool ConvertFrameToAnnexB(int length_size, std::vector<uint8>* buffer); | 21 static bool ConvertFrameToAnnexB(int length_size, std::vector<uint8>* buffer); |
21 | 22 |
23 // Inserts the SPS & PPS data from |avc_config| into |buffer|. | |
24 // |buffer| is expected to contain AnnexB conformant data. | |
25 // |subsamples| contains the SubsampleEntry info if |buffer| contains | |
26 // encrypted data. | |
27 // Returns true if the param sets were successfully inserted. | |
28 static bool InsertParamSetsAnnexB( | |
29 const AVCDecoderConfigurationRecord& avc_config, | |
30 std::vector<uint8>* buffer, | |
31 std::vector<SubsampleEntry>* subsamples); | |
damienv1
2014/04/24 00:03:58
nit: From http://www.chromium.org/developers/codin
acolwell GONE FROM CHROMIUM
2014/04/24 23:52:15
Done.
| |
32 | |
22 static bool ConvertConfigToAnnexB( | 33 static bool ConvertConfigToAnnexB( |
23 const AVCDecoderConfigurationRecord& avc_config, | 34 const AVCDecoderConfigurationRecord& avc_config, |
24 std::vector<uint8>* buffer); | 35 std::vector<uint8>* buffer, |
36 std::vector<SubsampleEntry>* subsamples); | |
37 | |
38 // Verifies that the contents of |buffer| conform to | |
39 // Section 7.4.1.2.3 of ISO/IEC 14496-10. | |
40 // Returns true if |buffer| contains conformant AnnexB data. | |
41 static bool IsValidAnnexB(const std::vector<uint8>& buffer); | |
25 }; | 42 }; |
26 | 43 |
27 } // namespace mp4 | 44 } // namespace mp4 |
28 } // namespace media | 45 } // namespace media |
29 | 46 |
30 #endif // MEDIA_FORMATS_MP4_AVC_H_ | 47 #endif // MEDIA_FORMATS_MP4_AVC_H_ |
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