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1 // Copyright 2016 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 #ifndef MEDIA_FILTERS_VP9_COMPRESSED_HEADER_PARSER_H_ | |
6 #define MEDIA_FILTERS_VP9_COMPRESSED_HEADER_PARSER_H_ | |
7 | |
8 #include "media/filters/vp9_bool_decoder.h" | |
9 #include "media/filters/vp9_parser.h" | |
10 | |
11 namespace media { | |
12 | |
13 class Vp9CompressedHeaderParser { | |
14 public: | |
15 Vp9CompressedHeaderParser(); | |
16 bool Parse(const uint8_t* stream, off_t frame_size, Vp9FrameHeader* fhdr); | |
Pawel Osciak
2016/08/04 10:20:18
Please document.
kcwu
2016/08/05 11:38:47
Done.
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17 | |
18 private: | |
19 void ReadTxMode(Vp9FrameHeader* fhdr); | |
20 int DecodeTermSubexp(); | |
21 void DiffUpdateProb(Vp9Prob* prob); | |
22 template <int N> | |
23 void DiffUpdateProbArray(Vp9Prob (&prob_array)[N]); | |
24 void ReadTxModeProbs(Vp9FrameContext* frame_context); | |
25 void ReadCoefProbs(Vp9FrameHeader* fhdr); | |
26 void ReadSkipProb(Vp9FrameContext* frame_context); | |
27 void ReadInterModeProbs(Vp9FrameContext* frame_context); | |
28 void ReadInterpFilterProbs(Vp9FrameContext* frame_context); | |
29 void ReadIsInterProbs(Vp9FrameContext* frame_context); | |
30 void ReadFrameReferenceMode(Vp9FrameHeader* fhdr); | |
31 void ReadFrameReferenceModeProbs(Vp9FrameHeader* fhdr); | |
32 void ReadYModeProbs(Vp9FrameContext* frame_context); | |
33 void ReadPartitionProbs(Vp9FrameContext* frame_context); | |
34 void ReadMvProbs(bool allow_high_precision_mv, | |
35 Vp9FrameContext* frame_context); | |
36 void UpdateMvProb(Vp9Prob* prob); | |
37 template <int N> | |
38 void UpdateMvProbArray(Vp9Prob (&prob_array)[N]); | |
39 | |
40 // Bool decoder for compressed frame header. | |
41 Vp9BoolDecoder reader_; | |
42 | |
43 DISALLOW_COPY_AND_ASSIGN(Vp9CompressedHeaderParser); | |
44 }; | |
45 | |
46 } // namespace media | |
47 | |
48 #endif // MEDIA_FILTERS_VP9_UNCOMPRESSED_HEADER_PARSER_H_ | |
Pawel Osciak
2016/08/04 10:20:18
s/UNCOM/COM/
kcwu
2016/08/05 11:38:47
Done.
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