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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 // This file contains an implementation of a VP9 bitstream parser. The main | 5 // This file contains an implementation of a VP9 bitstream parser. The main |
| 6 // purpose of this parser is to support hardware decode acceleration. Some | 6 // purpose of this parser is to support hardware decode acceleration. Some |
| 7 // accelerators, e.g. libva which implements VA-API, require the caller | 7 // accelerators, e.g. libva which implements VA-API, require the caller |
| 8 // (chrome) to feed them parsed VP9 frame header. | 8 // (chrome) to feed them parsed VP9 frame header. |
| 9 // | 9 // |
| 10 // See content::VP9Decoder for example usage. | 10 // See media::VP9Decoder for example usage. |
| 11 // | 11 // |
| 12 #ifndef MEDIA_FILTERS_VP9_PARSER_H_ | 12 #ifndef MEDIA_FILTERS_VP9_PARSER_H_ |
| 13 #define MEDIA_FILTERS_VP9_PARSER_H_ | 13 #define MEDIA_FILTERS_VP9_PARSER_H_ |
| 14 | 14 |
| 15 #include <stddef.h> | 15 #include <stddef.h> |
| 16 #include <stdint.h> | 16 #include <stdint.h> |
| 17 #include <sys/types.h> | 17 #include <sys/types.h> |
| 18 | 18 |
| 19 #include <deque> | 19 #include <deque> |
| 20 | 20 |
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| 282 | 282 |
| 283 // The parsing context to keep track of references. | 283 // The parsing context to keep track of references. |
| 284 ReferenceSlot ref_slots_[kVp9NumRefFrames]; | 284 ReferenceSlot ref_slots_[kVp9NumRefFrames]; |
| 285 | 285 |
| 286 DISALLOW_COPY_AND_ASSIGN(Vp9Parser); | 286 DISALLOW_COPY_AND_ASSIGN(Vp9Parser); |
| 287 }; | 287 }; |
| 288 | 288 |
| 289 } // namespace media | 289 } // namespace media |
| 290 | 290 |
| 291 #endif // MEDIA_FILTERS_VP9_PARSER_H_ | 291 #endif // MEDIA_FILTERS_VP9_PARSER_H_ |
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