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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_FORMATS_WEBM_WEBM_COLOUR_PARSER_H_ |
| 6 #define MEDIA_FORMATS_WEBM_WEBM_COLOUR_PARSER_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "media/base/hdr_metadata.h" |
| 10 #include "media/formats/webm/webm_parser.h" |
| 11 |
| 12 namespace media { |
| 13 |
| 14 // Parser for WebM MasteringMetadata within Colour element: |
| 15 // http://www.webmproject.org/docs/container/#MasteringMetadata |
| 16 class WebMMasteringMetadataParser : public WebMParserClient { |
| 17 public: |
| 18 WebMMasteringMetadataParser(); |
| 19 ~WebMMasteringMetadataParser() override; |
| 20 |
| 21 MasteringMetadata GetMasteringMetadata() const { return mastering_metadata_; } |
| 22 |
| 23 private: |
| 24 // WebMParserClient implementation. |
| 25 bool OnFloat(int id, double val) override; |
| 26 |
| 27 MasteringMetadata mastering_metadata_; |
| 28 DISALLOW_COPY_AND_ASSIGN(WebMMasteringMetadataParser); |
| 29 }; |
| 30 |
| 31 // Parser for WebM Colour element: |
| 32 // http://www.webmproject.org/docs/container/#colour |
| 33 class WebMColourParser : public WebMParserClient { |
| 34 public: |
| 35 WebMColourParser(); |
| 36 ~WebMColourParser() override; |
| 37 |
| 38 void Reset(); |
| 39 |
| 40 ColorMetadata GetColorMetadata() const; |
| 41 |
| 42 private: |
| 43 // WebMParserClient implementation. |
| 44 WebMParserClient* OnListStart(int id) override; |
| 45 bool OnListEnd(int id) override; |
| 46 bool OnUInt(int id, int64_t val) override; |
| 47 |
| 48 int64_t matrix_coefficients_; |
| 49 int64_t bits_per_channel_; |
| 50 int64_t chroma_subsampling_horz_; |
| 51 int64_t chroma_subsampling_vert_; |
| 52 int64_t cb_subsampling_horz_; |
| 53 int64_t cb_subsampling_vert_; |
| 54 int64_t chroma_siting_horz_; |
| 55 int64_t chroma_siting_vert_; |
| 56 int64_t range_; |
| 57 int64_t transfer_characteristics_; |
| 58 int64_t primaries_; |
| 59 int64_t max_cll_; |
| 60 int64_t max_fall_; |
| 61 |
| 62 WebMMasteringMetadataParser mastering_metadata_parser_; |
| 63 bool mastering_metadata_parsed_ = false; |
| 64 |
| 65 DISALLOW_COPY_AND_ASSIGN(WebMColourParser); |
| 66 }; |
| 67 |
| 68 } // namespace media |
| 69 |
| 70 #endif // MEDIA_FORMATS_WEBM_WEBM_COLOUR_PARSER_H_ |
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