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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ | 6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ |
| 7 | 7 |
| 8 #include <deque> | 8 #include <deque> |
| 9 #include <list> | 9 #include <list> |
| 10 #include <map> | 10 #include <map> |
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| 38 // This class uses hardware accelerated video decoder to decode video for | 38 // This class uses hardware accelerated video decoder to decode video for |
| 39 // WebRTC. |vda_message_loop_| is the message loop proxy of the media thread, | 39 // WebRTC. |vda_message_loop_| is the message loop proxy of the media thread, |
| 40 // which VDA::Client methods run on. webrtc::VideoDecoder methods run on WebRTC | 40 // which VDA::Client methods run on. webrtc::VideoDecoder methods run on WebRTC |
| 41 // DecodingThread or Chrome_libJingle_WorkerThread, which are trampolined to | 41 // DecodingThread or Chrome_libJingle_WorkerThread, which are trampolined to |
| 42 // |vda_message_loop_|. Decode() is non-blocking and queues the buffers. Decoded | 42 // |vda_message_loop_|. Decode() is non-blocking and queues the buffers. Decoded |
| 43 // frames are delivered to WebRTC on |vda_message_loop_|. | 43 // frames are delivered to WebRTC on |vda_message_loop_|. |
| 44 class CONTENT_EXPORT RTCVideoDecoder | 44 class CONTENT_EXPORT RTCVideoDecoder |
| 45 : NON_EXPORTED_BASE(public webrtc::VideoDecoder), | 45 : NON_EXPORTED_BASE(public webrtc::VideoDecoder), |
| 46 public media::VideoDecodeAccelerator::Client { | 46 public media::VideoDecodeAccelerator::Client { |
| 47 public: | 47 public: |
| 48 virtual ~RTCVideoDecoder(); | 48 ~RTCVideoDecoder() override; |
| 49 | 49 |
| 50 // Creates a RTCVideoDecoder. Returns NULL if failed. The video decoder will | 50 // Creates a RTCVideoDecoder. Returns NULL if failed. The video decoder will |
| 51 // run on the message loop of |factories|. | 51 // run on the message loop of |factories|. |
| 52 static scoped_ptr<RTCVideoDecoder> Create( | 52 static scoped_ptr<RTCVideoDecoder> Create( |
| 53 webrtc::VideoCodecType type, | 53 webrtc::VideoCodecType type, |
| 54 const scoped_refptr<media::GpuVideoAcceleratorFactories>& factories); | 54 const scoped_refptr<media::GpuVideoAcceleratorFactories>& factories); |
| 55 | 55 |
| 56 // webrtc::VideoDecoder implementation. | 56 // webrtc::VideoDecoder implementation. |
| 57 // Called on WebRTC DecodingThread. | 57 // Called on WebRTC DecodingThread. |
| 58 virtual int32_t InitDecode(const webrtc::VideoCodec* codecSettings, | 58 int32_t InitDecode(const webrtc::VideoCodec* codecSettings, |
| 59 int32_t numberOfCores) override; | 59 int32_t numberOfCores) override; |
| 60 // Called on WebRTC DecodingThread. | 60 // Called on WebRTC DecodingThread. |
| 61 virtual int32_t Decode( | 61 int32_t Decode(const webrtc::EncodedImage& inputImage, |
| 62 const webrtc::EncodedImage& inputImage, | 62 bool missingFrames, |
| 63 bool missingFrames, | 63 const webrtc::RTPFragmentationHeader* fragmentation, |
| 64 const webrtc::RTPFragmentationHeader* fragmentation, | 64 const webrtc::CodecSpecificInfo* codecSpecificInfo = NULL, |
| 65 const webrtc::CodecSpecificInfo* codecSpecificInfo = NULL, | 65 int64_t renderTimeMs = -1) override; |
| 66 int64_t renderTimeMs = -1) override; | |
| 67 // Called on WebRTC DecodingThread. | 66 // Called on WebRTC DecodingThread. |
| 68 virtual int32_t RegisterDecodeCompleteCallback( | 67 int32_t RegisterDecodeCompleteCallback( |
| 69 webrtc::DecodedImageCallback* callback) override; | 68 webrtc::DecodedImageCallback* callback) override; |
| 70 // Called on Chrome_libJingle_WorkerThread. The child thread is blocked while | 69 // Called on Chrome_libJingle_WorkerThread. The child thread is blocked while |
| 71 // this runs. | 70 // this runs. |
| 72 virtual int32_t Release() override; | 71 int32_t Release() override; |
| 73 // Called on Chrome_libJingle_WorkerThread. The child thread is blocked while | 72 // Called on Chrome_libJingle_WorkerThread. The child thread is blocked while |
| 74 // this runs. | 73 // this runs. |
| 75 virtual int32_t Reset() override; | 74 int32_t Reset() override; |
| 76 | 75 |
| 77 // VideoDecodeAccelerator::Client implementation. | 76 // VideoDecodeAccelerator::Client implementation. |
| 78 virtual void ProvidePictureBuffers(uint32 count, | 77 void ProvidePictureBuffers(uint32 count, |
| 79 const gfx::Size& size, | 78 const gfx::Size& size, |
| 80 uint32 texture_target) override; | 79 uint32 texture_target) override; |
| 81 virtual void DismissPictureBuffer(int32 id) override; | 80 void DismissPictureBuffer(int32 id) override; |
| 82 virtual void PictureReady(const media::Picture& picture) override; | 81 void PictureReady(const media::Picture& picture) override; |
| 83 virtual void NotifyEndOfBitstreamBuffer(int32 id) override; | 82 void NotifyEndOfBitstreamBuffer(int32 id) override; |
| 84 virtual void NotifyFlushDone() override; | 83 void NotifyFlushDone() override; |
| 85 virtual void NotifyResetDone() override; | 84 void NotifyResetDone() override; |
| 86 virtual void NotifyError(media::VideoDecodeAccelerator::Error error) override; | 85 void NotifyError(media::VideoDecodeAccelerator::Error error) override; |
| 87 | 86 |
| 88 private: | 87 private: |
| 89 class SHMBuffer; | 88 class SHMBuffer; |
| 90 // Metadata of a bitstream buffer. | 89 // Metadata of a bitstream buffer. |
| 91 struct BufferData { | 90 struct BufferData { |
| 92 BufferData(int32 bitstream_buffer_id, | 91 BufferData(int32 bitstream_buffer_id, |
| 93 uint32_t timestamp, | 92 uint32_t timestamp, |
| 94 size_t size); | 93 size_t size); |
| 95 BufferData(); | 94 BufferData(); |
| 96 ~BufferData(); | 95 ~BufferData(); |
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| 261 // Must be destroyed, or invalidated, on |vda_loop_proxy_| | 260 // Must be destroyed, or invalidated, on |vda_loop_proxy_| |
| 262 // NOTE: Weak pointers must be invalidated before all other member variables. | 261 // NOTE: Weak pointers must be invalidated before all other member variables. |
| 263 base::WeakPtrFactory<RTCVideoDecoder> weak_factory_; | 262 base::WeakPtrFactory<RTCVideoDecoder> weak_factory_; |
| 264 | 263 |
| 265 DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoder); | 264 DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoder); |
| 266 }; | 265 }; |
| 267 | 266 |
| 268 } // namespace content | 267 } // namespace content |
| 269 | 268 |
| 270 #endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ | 269 #endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ |
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