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| 1 // Copyright 2014 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 CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_ | |
| 6 #define CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <queue> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include "base/macros.h" | |
| 14 #include "base/memory/weak_ptr.h" | |
| 15 #include "content/common/content_export.h" | |
| 16 #include "content/common/gpu/media/gpu_video_decode_accelerator_helpers.h" | |
| 17 #include "media/video/video_decode_accelerator.h" | |
| 18 #include "ui/gfx/geometry/size_f.h" | |
| 19 #include "ui/gl/gl_context.h" | |
| 20 | |
| 21 namespace content { | |
| 22 | |
| 23 class CONTENT_EXPORT FakeVideoDecodeAccelerator | |
| 24 : public media::VideoDecodeAccelerator { | |
| 25 public: | |
| 26 FakeVideoDecodeAccelerator( | |
| 27 const gfx::Size& size, | |
| 28 const MakeGLContextCurrentCallback& make_context_current_cb); | |
| 29 ~FakeVideoDecodeAccelerator() override; | |
| 30 | |
| 31 bool Initialize(const Config& config, Client* client) override; | |
| 32 void Decode(const media::BitstreamBuffer& bitstream_buffer) override; | |
| 33 void AssignPictureBuffers( | |
| 34 const std::vector<media::PictureBuffer>& buffers) override; | |
| 35 void ReusePictureBuffer(int32_t picture_buffer_id) override; | |
| 36 void Flush() override; | |
| 37 void Reset() override; | |
| 38 void Destroy() override; | |
| 39 bool TryToSetupDecodeOnSeparateThread( | |
| 40 const base::WeakPtr<Client>& decode_client, | |
| 41 const scoped_refptr<base::SingleThreadTaskRunner>& decode_task_runner) | |
| 42 override; | |
| 43 | |
| 44 private: | |
| 45 void DoPictureReady(); | |
| 46 | |
| 47 // The message loop that created the class. Used for all callbacks. This | |
| 48 // class expects all calls to this class to be on this message loop (not | |
| 49 // checked). | |
| 50 const scoped_refptr<base::SingleThreadTaskRunner> child_task_runner_; | |
| 51 | |
| 52 Client* client_; | |
| 53 | |
| 54 // Make our context current before running any GL entry points. | |
| 55 MakeGLContextCurrentCallback make_context_current_cb_; | |
| 56 | |
| 57 // Output picture size. | |
| 58 gfx::Size frame_buffer_size_; | |
| 59 | |
| 60 // Picture buffer ids that are available for putting fake frames in. | |
| 61 std::queue<int> free_output_buffers_; | |
| 62 // BitstreamBuffer ids for buffers that contain new data to decode. | |
| 63 std::queue<int> queued_bitstream_ids_; | |
| 64 | |
| 65 bool flushing_; | |
| 66 | |
| 67 // The WeakPtrFactory for |weak_this_|. | |
| 68 base::WeakPtrFactory<FakeVideoDecodeAccelerator> weak_this_factory_; | |
| 69 | |
| 70 DISALLOW_COPY_AND_ASSIGN(FakeVideoDecodeAccelerator); | |
| 71 }; | |
| 72 | |
| 73 } // namespace content | |
| 74 | |
| 75 #endif // CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_ | |
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