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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef CHROME_GPU_ARC_GPU_VIDEO_DECODE_ACCELERATOR_H_ | 5 #ifndef CHROME_GPU_CHROME_ARC_VIDEO_DECODE_ACCELERATOR_H_ |
| 6 #define CHROME_GPU_ARC_GPU_VIDEO_DECODE_ACCELERATOR_H_ | 6 #define CHROME_GPU_CHROME_ARC_VIDEO_DECODE_ACCELERATOR_H_ |
| 7 | 7 |
| 8 #include <list> | 8 #include <list> |
| 9 #include <memory> | 9 #include <memory> |
| 10 #include <queue> | 10 #include <queue> |
| 11 #include <vector> | 11 #include <vector> |
| 12 | 12 |
| 13 #include "base/callback.h" | 13 #include "base/callback.h" |
| 14 #include "base/threading/thread_checker.h" | 14 #include "base/threading/thread_checker.h" |
| 15 #include "chrome/gpu/arc_video_accelerator.h" | 15 #include "chrome/gpu/arc_video_decode_accelerator.h" |
| 16 #include "gpu/command_buffer/service/gpu_preferences.h" | 16 #include "gpu/command_buffer/service/gpu_preferences.h" |
| 17 #include "media/video/video_decode_accelerator.h" | 17 #include "media/video/video_decode_accelerator.h" |
| 18 | 18 |
| 19 namespace chromeos { | 19 namespace chromeos { |
| 20 namespace arc { | 20 namespace arc { |
| 21 | 21 |
| 22 // This class is executed in the GPU process. It takes decoding requests from | 22 // This class is executed in the GPU process. It takes decoding requests from |
| 23 // ARC via IPC channels and translates and sends those requests to an | 23 // ARC via IPC channels and translates and sends those requests to an |
| 24 // implementation of media::VideoDecodeAccelerator. It also returns the decoded | 24 // implementation of media::VideoDecodeAccelerator. It also returns the decoded |
| 25 // frames back to the ARC side. | 25 // frames back to the ARC side. |
| 26 class ArcGpuVideoDecodeAccelerator | 26 class ChromeArcVideoDecodeAccelerator |
| 27 : public ArcVideoAccelerator, | 27 : public ArcVideoDecodeAccelerator, |
| 28 public media::VideoDecodeAccelerator::Client, | 28 public media::VideoDecodeAccelerator::Client, |
| 29 public base::SupportsWeakPtr<ArcGpuVideoDecodeAccelerator> { | 29 public base::SupportsWeakPtr<ChromeArcVideoDecodeAccelerator> { |
| 30 public: | 30 public: |
| 31 explicit ArcGpuVideoDecodeAccelerator( | 31 explicit ChromeArcVideoDecodeAccelerator( |
| 32 const gpu::GpuPreferences& gpu_preferences); | 32 const gpu::GpuPreferences& gpu_preferences); |
| 33 ~ArcGpuVideoDecodeAccelerator() override; | 33 ~ChromeArcVideoDecodeAccelerator() override; |
| 34 | 34 |
| 35 // Implementation of the ArcVideoAccelerator interface. | 35 // Implementation of the ArcVideoDecodeAccelerator interface. |
| 36 ArcVideoAccelerator::Result Initialize( | 36 ArcVideoDecodeAccelerator::Result Initialize( |
| 37 const Config& config, | 37 const Config& config, |
| 38 ArcVideoAccelerator::Client* client) override; | 38 ArcVideoDecodeAccelerator::Client* client) override; |
| 39 void SetNumberOfOutputBuffers(size_t number) override; | 39 void SetNumberOfOutputBuffers(size_t number) override; |
| 40 void BindSharedMemory(PortType port, | 40 void BindSharedMemory(PortType port, |
| 41 uint32_t index, | 41 uint32_t index, |
| 42 base::ScopedFD ashmem_fd, | 42 base::ScopedFD ashmem_fd, |
| 43 off_t offset, | 43 off_t offset, |
| 44 size_t length) override; | 44 size_t length) override; |
| 45 void BindDmabuf(PortType port, | 45 void BindDmabuf(PortType port, |
| 46 uint32_t index, | 46 uint32_t index, |
| 47 base::ScopedFD dmabuf_fd, | 47 base::ScopedFD dmabuf_fd, |
| 48 const std::vector<::arc::ArcVideoAcceleratorDmabufPlane>& | 48 const std::vector<::arc::ArcVideoAcceleratorDmabufPlane>& |
| (...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 100 struct OutputBufferInfo { | 100 struct OutputBufferInfo { |
| 101 base::ScopedFD handle; | 101 base::ScopedFD handle; |
| 102 std::vector<::arc::ArcVideoAcceleratorDmabufPlane> planes; | 102 std::vector<::arc::ArcVideoAcceleratorDmabufPlane> planes; |
| 103 | 103 |
| 104 OutputBufferInfo(); | 104 OutputBufferInfo(); |
| 105 OutputBufferInfo(OutputBufferInfo&& other); | 105 OutputBufferInfo(OutputBufferInfo&& other); |
| 106 ~OutputBufferInfo(); | 106 ~OutputBufferInfo(); |
| 107 }; | 107 }; |
| 108 | 108 |
| 109 // The helper method to simplify reporting of the status returned to UMA. | 109 // The helper method to simplify reporting of the status returned to UMA. |
| 110 ArcVideoAccelerator::Result InitializeTask( | 110 ArcVideoDecodeAccelerator::Result InitializeTask( |
| 111 const Config& config, | 111 const Config& config, |
| 112 ArcVideoAccelerator::Client* client); | 112 ArcVideoDecodeAccelerator::Client* client); |
| 113 | 113 |
| 114 // Helper function to validate |port| and |index|. | 114 // Helper function to validate |port| and |index|. |
| 115 bool ValidatePortAndIndex(PortType port, uint32_t index) const; | 115 bool ValidatePortAndIndex(PortType port, uint32_t index) const; |
| 116 | 116 |
| 117 // Return true if |dmabuf_planes| is valid for a dmabuf |fd|. | 117 // Return true if |dmabuf_planes| is valid for a dmabuf |fd|. |
| 118 bool VerifyDmabuf(const base::ScopedFD& fd, | 118 bool VerifyDmabuf(const base::ScopedFD& fd, |
| 119 const std::vector<::arc::ArcVideoAcceleratorDmabufPlane>& | 119 const std::vector<::arc::ArcVideoAcceleratorDmabufPlane>& |
| 120 dmabuf_planes) const; | 120 dmabuf_planes) const; |
| 121 | 121 |
| 122 // Creates an InputRecord for the given |bitstream_buffer_id|. The | 122 // Creates an InputRecord for the given |bitstream_buffer_id|. The |
| (...skipping 12 matching lines...) Expand all Loading... |
| 135 | 135 |
| 136 // Global counter that keeps track the number of active clients (i.e., how | 136 // Global counter that keeps track the number of active clients (i.e., how |
| 137 // many VDAs in use by this class). | 137 // many VDAs in use by this class). |
| 138 // Since this class only works on the same thread, it's safe to access | 138 // Since this class only works on the same thread, it's safe to access |
| 139 // |client_count_| without lock. | 139 // |client_count_| without lock. |
| 140 static int client_count_; | 140 static int client_count_; |
| 141 | 141 |
| 142 std::unique_ptr<media::VideoDecodeAccelerator> vda_; | 142 std::unique_ptr<media::VideoDecodeAccelerator> vda_; |
| 143 | 143 |
| 144 // It's safe to use the pointer here, the life cycle of the |arc_client_| | 144 // It's safe to use the pointer here, the life cycle of the |arc_client_| |
| 145 // is longer than this ArcGpuVideoDecodeAccelerator. | 145 // is longer than this ChromeArcVideoDecodeAccelerator. |
| 146 ArcVideoAccelerator::Client* arc_client_; | 146 ArcVideoDecodeAccelerator::Client* arc_client_; |
| 147 | 147 |
| 148 // The next ID for the bitstream buffer, started from 0. | 148 // The next ID for the bitstream buffer, started from 0. |
| 149 int32_t next_bitstream_buffer_id_; | 149 int32_t next_bitstream_buffer_id_; |
| 150 | 150 |
| 151 gfx::Size coded_size_; | 151 gfx::Size coded_size_; |
| 152 gfx::Rect visible_rect_; | 152 gfx::Rect visible_rect_; |
| 153 media::VideoPixelFormat output_pixel_format_; | 153 media::VideoPixelFormat output_pixel_format_; |
| 154 | 154 |
| 155 // A list of most recent |kMaxNumberOfInputRecord| InputRecords. | 155 // A list of most recent |kMaxNumberOfInputRecord| InputRecords. |
| 156 // |kMaxNumberOfInputRecord| is defined in the cc file. | 156 // |kMaxNumberOfInputRecord| is defined in the cc file. |
| 157 std::list<InputRecord> input_records_; | 157 std::list<InputRecord> input_records_; |
| 158 | 158 |
| 159 // The details of the shared memory of each input buffers. | 159 // The details of the shared memory of each input buffers. |
| 160 std::vector<InputBufferInfo> input_buffer_info_; | 160 std::vector<InputBufferInfo> input_buffer_info_; |
| 161 | 161 |
| 162 // To keep those output buffers which have been bound by bindDmabuf() but | 162 // To keep those output buffers which have been bound by bindDmabuf() but |
| 163 // haven't been passed to VDA yet. Will call VDA::ImportBufferForPicture() | 163 // haven't been passed to VDA yet. Will call VDA::ImportBufferForPicture() |
| 164 // when those buffers are used for the first time. | 164 // when those buffers are used for the first time. |
| 165 std::vector<OutputBufferInfo> buffers_pending_import_; | 165 std::vector<OutputBufferInfo> buffers_pending_import_; |
| 166 | 166 |
| 167 base::ThreadChecker thread_checker_; | 167 THREAD_CHECKER(thread_checker_); |
| 168 size_t output_buffer_size_; | 168 size_t output_buffer_size_; |
| 169 | 169 |
| 170 // The minimal number of requested output buffers. | 170 // The minimal number of requested output buffers. |
| 171 uint32_t requested_num_of_output_buffers_; | 171 uint32_t requested_num_of_output_buffers_; |
| 172 | 172 |
| 173 gpu::GpuPreferences gpu_preferences_; | 173 gpu::GpuPreferences gpu_preferences_; |
| 174 | 174 |
| 175 DISALLOW_COPY_AND_ASSIGN(ArcGpuVideoDecodeAccelerator); | 175 DISALLOW_COPY_AND_ASSIGN(ChromeArcVideoDecodeAccelerator); |
| 176 }; | 176 }; |
| 177 | 177 |
| 178 } // namespace arc | 178 } // namespace arc |
| 179 } // namespace chromeos | 179 } // namespace chromeos |
| 180 | 180 |
| 181 #endif // CHROME_GPU_ARC_GPU_VIDEO_DECODE_ACCELERATOR_H_ | 181 #endif // CHROME_GPU_CHROME_ARC_VIDEO_DECODE_ACCELERATOR_H_ |
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