OLD | NEW |
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_ENCODER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ |
6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ | 6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 #include "base/threading/thread_checker.h" | 13 #include "base/threading/thread_checker.h" |
14 #include "base/time/time.h" | 14 #include "base/time/time.h" |
15 #include "content/common/content_export.h" | 15 #include "content/common/content_export.h" |
16 #include "media/base/video_decoder_config.h" | 16 #include "media/base/video_decoder_config.h" |
17 #include "third_party/webrtc/modules/video_coding/codecs/interface/video_codec_i
nterface.h" | 17 #include "third_party/webrtc/modules/video_coding/codecs/interface/video_codec_i
nterface.h" |
18 #include "ui/gfx/size.h" | 18 #include "ui/gfx/size.h" |
19 | 19 |
20 namespace base { | 20 namespace base { |
21 | 21 |
22 class MessageLoopProxy; | 22 class MessageLoopProxy; |
23 | 23 |
24 } // namespace base | 24 } // namespace base |
25 | 25 |
| 26 namespace media { |
| 27 |
| 28 class GpuVideoAcceleratorFactories; |
| 29 |
| 30 } // namespace media |
| 31 |
26 namespace content { | 32 namespace content { |
27 | 33 |
28 class RendererGpuVideoAcceleratorFactories; | |
29 | |
30 // RTCVideoEncoder uses a media::VideoEncodeAccelerator to implement a | 34 // RTCVideoEncoder uses a media::VideoEncodeAccelerator to implement a |
31 // webrtc::VideoEncoder class for WebRTC. Internally, VEA methods are | 35 // webrtc::VideoEncoder class for WebRTC. Internally, VEA methods are |
32 // trampolined to a private RTCVideoEncoder::Impl instance. The Impl class runs | 36 // trampolined to a private RTCVideoEncoder::Impl instance. The Impl class runs |
33 // on the worker thread queried from the |gpu_factories_|, which is presently | 37 // on the worker thread queried from the |gpu_factories_|, which is presently |
34 // the media thread. RTCVideoEncoder itself is run and destroyed on the thread | 38 // the media thread. RTCVideoEncoder itself is run and destroyed on the thread |
35 // it is constructed on, which is presently the libjingle worker thread. | 39 // it is constructed on, which is presently the libjingle worker thread. |
36 // Callbacks from the Impl due to its VEA::Client notifications are also posted | 40 // Callbacks from the Impl due to its VEA::Client notifications are also posted |
37 // back to RTCVideoEncoder on this thread. | 41 // back to RTCVideoEncoder on this thread. |
38 class CONTENT_EXPORT RTCVideoEncoder | 42 class CONTENT_EXPORT RTCVideoEncoder |
39 : NON_EXPORTED_BASE(public webrtc::VideoEncoder) { | 43 : NON_EXPORTED_BASE(public webrtc::VideoEncoder) { |
40 public: | 44 public: |
41 RTCVideoEncoder( | 45 RTCVideoEncoder( |
42 webrtc::VideoCodecType type, | 46 webrtc::VideoCodecType type, |
43 media::VideoCodecProfile profile, | 47 media::VideoCodecProfile profile, |
44 const scoped_refptr<RendererGpuVideoAcceleratorFactories>& gpu_factories); | 48 const scoped_refptr<media::GpuVideoAcceleratorFactories>& gpu_factories); |
45 virtual ~RTCVideoEncoder(); | 49 virtual ~RTCVideoEncoder(); |
46 | 50 |
47 // webrtc::VideoEncoder implementation. Tasks are posted to |impl_| using the | 51 // webrtc::VideoEncoder implementation. Tasks are posted to |impl_| using the |
48 // appropriate VEA methods. | 52 // appropriate VEA methods. |
49 virtual int32_t InitEncode(const webrtc::VideoCodec* codec_settings, | 53 virtual int32_t InitEncode(const webrtc::VideoCodec* codec_settings, |
50 int32_t number_of_cores, | 54 int32_t number_of_cores, |
51 uint32_t max_payload_size) OVERRIDE; | 55 uint32_t max_payload_size) OVERRIDE; |
52 virtual int32_t Encode( | 56 virtual int32_t Encode( |
53 const webrtc::I420VideoFrame& input_image, | 57 const webrtc::I420VideoFrame& input_image, |
54 const webrtc::CodecSpecificInfo* codec_specific_info, | 58 const webrtc::CodecSpecificInfo* codec_specific_info, |
(...skipping 18 matching lines...) Expand all Loading... |
73 | 77 |
74 base::ThreadChecker thread_checker_; | 78 base::ThreadChecker thread_checker_; |
75 | 79 |
76 // The video codec type, as reported to WebRTC. | 80 // The video codec type, as reported to WebRTC. |
77 const webrtc::VideoCodecType video_codec_type_; | 81 const webrtc::VideoCodecType video_codec_type_; |
78 | 82 |
79 // The video codec profile, to configure the encoder to encode to. | 83 // The video codec profile, to configure the encoder to encode to. |
80 const media::VideoCodecProfile video_codec_profile_; | 84 const media::VideoCodecProfile video_codec_profile_; |
81 | 85 |
82 // Factory for creating VEAs, shared memory buffers, etc. | 86 // Factory for creating VEAs, shared memory buffers, etc. |
83 scoped_refptr<RendererGpuVideoAcceleratorFactories> gpu_factories_; | 87 scoped_refptr<media::GpuVideoAcceleratorFactories> gpu_factories_; |
84 | 88 |
85 // Weak pointer factory for posting back VEA::Client notifications to | 89 // Weak pointer factory for posting back VEA::Client notifications to |
86 // RTCVideoEncoder. | 90 // RTCVideoEncoder. |
87 base::WeakPtrFactory<RTCVideoEncoder> weak_this_factory_; | 91 base::WeakPtrFactory<RTCVideoEncoder> weak_this_factory_; |
88 | 92 |
89 // webrtc::VideoEncoder encode complete callback. | 93 // webrtc::VideoEncoder encode complete callback. |
90 webrtc::EncodedImageCallback* encoded_image_callback_; | 94 webrtc::EncodedImageCallback* encoded_image_callback_; |
91 | 95 |
92 // The RTCVideoEncoder::Impl that does all the work. | 96 // The RTCVideoEncoder::Impl that does all the work. |
93 scoped_refptr<Impl> impl_; | 97 scoped_refptr<Impl> impl_; |
94 | 98 |
95 // We cannot immediately return error conditions to the WebRTC user of this | 99 // We cannot immediately return error conditions to the WebRTC user of this |
96 // class, as there is no error callback in the webrtc::VideoEncoder interface. | 100 // class, as there is no error callback in the webrtc::VideoEncoder interface. |
97 // Instead, we cache an error status here and return it the next time an | 101 // Instead, we cache an error status here and return it the next time an |
98 // interface entry point is called. | 102 // interface entry point is called. |
99 int32_t impl_status_; | 103 int32_t impl_status_; |
100 | 104 |
101 DISALLOW_COPY_AND_ASSIGN(RTCVideoEncoder); | 105 DISALLOW_COPY_AND_ASSIGN(RTCVideoEncoder); |
102 }; | 106 }; |
103 | 107 |
104 } // namespace content | 108 } // namespace content |
105 | 109 |
106 #endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ | 110 #endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_H_ |
OLD | NEW |