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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_UNCOMPRESSED_HEADER_PARSER_H_ | |
6 #define MEDIA_FILTERS_VP9_UNCOMPRESSED_HEADER_PARSER_H_ | |
7 | |
8 #include "media/filters/vp9_parser.h" | |
9 #include "media/filters/vp9_raw_bits_reader.h" | |
10 | |
11 namespace media { | |
12 | |
13 class Vp9UncompressedHeaderParser { | |
14 public: | |
15 Vp9UncompressedHeaderParser(Vp9Parser::Context* context); | |
16 bool Parse(const uint8_t* stream, off_t frame_size, Vp9FrameHeader* fhdr); | |
17 | |
18 private: | |
19 uint8_t ReadProfile(); | |
20 bool VerifySyncCode(); | |
21 bool ReadColorConfig(Vp9FrameHeader* fhdr); | |
22 void ReadFrameSize(Vp9FrameHeader* fhdr); | |
23 bool ReadFrameSizeFromRefs(Vp9FrameHeader* fhdr); | |
24 void ReadRenderSize(Vp9FrameHeader* fhdr); | |
25 Vp9InterpolationFilter ReadInterpolationFilter(); | |
26 void ResetLoopfilter(); | |
27 void SetupPastIndependence(Vp9FrameHeader* fhdr); | |
28 void ReadLoopFilterParams(); | |
29 void ReadQuantizationParams(Vp9QuantizationParams* quants); | |
30 int8_t ReadDeltaQ(); | |
31 uint8_t ReadProb(); | |
32 bool ReadSegmentationParams(); | |
33 bool ReadTileInfo(Vp9FrameHeader* fhdr); | |
34 | |
35 // Raw bits decoder for uncompressed frame header. | |
Pawel Osciak
2016/08/04 10:20:20
s/decoder/reader/ ?
kcwu
2016/08/05 11:38:48
Done.
| |
36 Vp9RawBitsReader reader_; | |
37 | |
38 Vp9Parser::Context* context_; | |
39 | |
40 DISALLOW_COPY_AND_ASSIGN(Vp9UncompressedHeaderParser); | |
41 }; | |
42 | |
43 } // namespace media | |
44 | |
45 #endif // MEDIA_FILTERS_VP9_UNCOMPRESSED_HEADER_PARSER_H_ | |
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