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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ | |
| 6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ | |
| 7 | |
| 8 #include <stddef.h> | |
| 9 #include <stdint.h> | |
| 10 | |
| 11 #include <memory> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/macros.h" | |
| 15 #include "base/memory/ref_counted.h" | |
| 16 #include "base/memory/weak_ptr.h" | |
| 17 #include "base/threading/thread_checker.h" | |
| 18 #include "base/time/time.h" | |
| 19 #include "content/common/content_export.h" | |
| 20 #include "media/base/video_decoder_config.h" | |
| 21 #include "third_party/webrtc/modules/video_coding/include/video_codec_interface.
h" | |
| 22 #include "ui/gfx/geometry/size.h" | |
| 23 | |
| 24 namespace media { | |
| 25 class GpuVideoAcceleratorFactories; | |
| 26 } // namespace media | |
| 27 | |
| 28 namespace content { | |
| 29 | |
| 30 // RTCVideoEncoder uses a media::VideoEncodeAccelerator to implement a | |
| 31 // webrtc::VideoEncoder class for WebRTC. Internally, VEA methods are | |
| 32 // trampolined to a private RTCVideoEncoder::Impl instance. The Impl class runs | |
| 33 // on the worker thread queried from the |gpu_factories_|, which is presently | |
| 34 // the media thread. RTCVideoEncoder is sychronized by webrtc::VideoSender. | |
| 35 // webrtc::VideoEncoder methods do not run concurrently. RtcVideoEncoder needs | |
| 36 // to synchronize RegisterEncodeCompleteCallback and encode complete callback. | |
| 37 class CONTENT_EXPORT RTCVideoEncoder | |
| 38 : NON_EXPORTED_BASE(public webrtc::VideoEncoder) { | |
| 39 public: | |
| 40 RTCVideoEncoder(webrtc::VideoCodecType type, | |
| 41 media::GpuVideoAcceleratorFactories* gpu_factories); | |
| 42 ~RTCVideoEncoder() override; | |
| 43 | |
| 44 // webrtc::VideoEncoder implementation. Tasks are posted to |impl_| using the | |
| 45 // appropriate VEA methods. | |
| 46 int32_t InitEncode(const webrtc::VideoCodec* codec_settings, | |
| 47 int32_t number_of_cores, | |
| 48 size_t max_payload_size) override; | |
| 49 int32_t Encode( | |
| 50 const webrtc::VideoFrame& input_image, | |
| 51 const webrtc::CodecSpecificInfo* codec_specific_info, | |
| 52 const std::vector<webrtc::FrameType>* frame_types) override; | |
| 53 int32_t RegisterEncodeCompleteCallback( | |
| 54 webrtc::EncodedImageCallback* callback) override; | |
| 55 int32_t Release() override; | |
| 56 int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override; | |
| 57 int32_t SetRates(uint32_t new_bit_rate, uint32_t frame_rate) override; | |
| 58 | |
| 59 private: | |
| 60 class Impl; | |
| 61 friend class RTCVideoEncoder::Impl; | |
| 62 | |
| 63 void RecordInitEncodeUMA(int32_t init_retval, | |
| 64 media::VideoCodecProfile profile); | |
| 65 | |
| 66 // The video codec type, as reported to WebRTC. | |
| 67 const webrtc::VideoCodecType video_codec_type_; | |
| 68 | |
| 69 // Factory for creating VEAs, shared memory buffers, etc. | |
| 70 media::GpuVideoAcceleratorFactories* gpu_factories_; | |
| 71 | |
| 72 // Task runner that the video accelerator runs on. | |
| 73 const scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner_; | |
| 74 | |
| 75 // The RTCVideoEncoder::Impl that does all the work. | |
| 76 scoped_refptr<Impl> impl_; | |
| 77 | |
| 78 DISALLOW_COPY_AND_ASSIGN(RTCVideoEncoder); | |
| 79 }; | |
| 80 | |
| 81 } // namespace content | |
| 82 | |
| 83 #endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ | |
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Chromium Code Reviews
Issue 2095393002:
Add posciak and wuchengli to WebRTC HW decoder and encoder files (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master