| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_GPU_VP9_REFERENCE_FRAME_VECTOR_H_ |
| #define MEDIA_GPU_VP9_REFERENCE_FRAME_VECTOR_H_ |
| |
| #include <array> |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "base/sequence_checker.h" |
| #include "media/filters/vp9_parser.h" |
| |
| namespace media { |
| |
| class VP9Picture; |
| |
| // This class encapsulates VP9-specific reference frame management code. This |
| // class is thread afine. |
| class Vp9ReferenceFrameVector { |
| public: |
| Vp9ReferenceFrameVector(); |
| ~Vp9ReferenceFrameVector(); |
| |
| void Refresh(scoped_refptr<VP9Picture> pic); |
| void Clear(); |
| |
| scoped_refptr<VP9Picture> GetFrame(size_t index) const; |
| |
| private: |
| std::array<scoped_refptr<VP9Picture>, kVp9NumRefFrames> reference_frames_; |
| |
| SEQUENCE_CHECKER(sequence_checker_); |
| DISALLOW_COPY_AND_ASSIGN(Vp9ReferenceFrameVector); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_GPU_VP9_REFERENCE_FRAME_VECTOR_H_ |