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| 1 // Copyright (c) 2011 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 #include "media/video/capture/video_capture_proxy.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "base/single_thread_task_runner.h" | |
| 10 #include "media/base/video_frame.h" | |
| 11 | |
| 12 namespace { | |
| 13 | |
| 14 // Called on VC thread: extracts the state out of the VideoCapture, and | |
| 15 // serialize it into a VideoCaptureState. | |
| 16 media::VideoCaptureHandlerProxy::VideoCaptureState GetState( | |
| 17 media::VideoCapture* capture) { | |
| 18 media::VideoCaptureHandlerProxy::VideoCaptureState state; | |
| 19 state.started = capture->CaptureStarted(); | |
| 20 state.frame_rate = capture->CaptureFrameRate(); | |
| 21 return state; | |
| 22 } | |
| 23 | |
| 24 } // anonymous namespace | |
| 25 | |
| 26 namespace media { | |
| 27 | |
| 28 VideoCaptureHandlerProxy::VideoCaptureHandlerProxy( | |
| 29 VideoCapture::EventHandler* proxied, | |
| 30 const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner) | |
| 31 : proxied_(proxied), | |
| 32 main_task_runner_(main_task_runner) { | |
| 33 } | |
| 34 | |
| 35 VideoCaptureHandlerProxy::~VideoCaptureHandlerProxy() { | |
| 36 } | |
| 37 | |
| 38 void VideoCaptureHandlerProxy::OnStarted(VideoCapture* capture) { | |
| 39 main_task_runner_->PostTask(FROM_HERE, base::Bind( | |
| 40 &VideoCaptureHandlerProxy::OnStartedOnMainThread, | |
| 41 base::Unretained(this), | |
| 42 capture, | |
| 43 GetState(capture))); | |
| 44 } | |
| 45 | |
| 46 void VideoCaptureHandlerProxy::OnStopped(VideoCapture* capture) { | |
| 47 main_task_runner_->PostTask(FROM_HERE, base::Bind( | |
| 48 &VideoCaptureHandlerProxy::OnStoppedOnMainThread, | |
| 49 base::Unretained(this), | |
| 50 capture, | |
| 51 GetState(capture))); | |
| 52 } | |
| 53 | |
| 54 void VideoCaptureHandlerProxy::OnPaused(VideoCapture* capture) { | |
| 55 main_task_runner_->PostTask(FROM_HERE, base::Bind( | |
| 56 &VideoCaptureHandlerProxy::OnPausedOnMainThread, | |
| 57 base::Unretained(this), | |
| 58 capture, | |
| 59 GetState(capture))); | |
| 60 } | |
| 61 | |
| 62 void VideoCaptureHandlerProxy::OnError(VideoCapture* capture, int error_code) { | |
| 63 main_task_runner_->PostTask(FROM_HERE, base::Bind( | |
| 64 &VideoCaptureHandlerProxy::OnErrorOnMainThread, | |
| 65 base::Unretained(this), | |
| 66 capture, | |
| 67 GetState(capture), | |
| 68 error_code)); | |
| 69 } | |
| 70 | |
| 71 void VideoCaptureHandlerProxy::OnRemoved(VideoCapture* capture) { | |
| 72 main_task_runner_->PostTask(FROM_HERE, base::Bind( | |
| 73 &VideoCaptureHandlerProxy::OnRemovedOnMainThread, | |
| 74 base::Unretained(this), | |
| 75 capture, | |
| 76 GetState(capture))); | |
| 77 } | |
| 78 | |
| 79 void VideoCaptureHandlerProxy::OnFrameReady( | |
| 80 VideoCapture* capture, | |
| 81 const scoped_refptr<VideoFrame>& frame) { | |
| 82 main_task_runner_->PostTask( | |
| 83 FROM_HERE, | |
| 84 base::Bind(&VideoCaptureHandlerProxy::OnFrameReadyOnMainThread, | |
| 85 base::Unretained(this), | |
| 86 capture, | |
| 87 GetState(capture), | |
| 88 frame)); | |
| 89 } | |
| 90 | |
| 91 void VideoCaptureHandlerProxy::OnStartedOnMainThread( | |
| 92 VideoCapture* capture, | |
| 93 const VideoCaptureState& state) { | |
| 94 state_ = state; | |
| 95 proxied_->OnStarted(capture); | |
| 96 } | |
| 97 | |
| 98 void VideoCaptureHandlerProxy::OnStoppedOnMainThread( | |
| 99 VideoCapture* capture, | |
| 100 const VideoCaptureState& state) { | |
| 101 state_ = state; | |
| 102 proxied_->OnStopped(capture); | |
| 103 } | |
| 104 | |
| 105 void VideoCaptureHandlerProxy::OnPausedOnMainThread( | |
| 106 VideoCapture* capture, | |
| 107 const VideoCaptureState& state) { | |
| 108 state_ = state; | |
| 109 proxied_->OnPaused(capture); | |
| 110 } | |
| 111 | |
| 112 void VideoCaptureHandlerProxy::OnErrorOnMainThread( | |
| 113 VideoCapture* capture, | |
| 114 const VideoCaptureState& state, | |
| 115 int error_code) { | |
| 116 state_ = state; | |
| 117 proxied_->OnError(capture, error_code); | |
| 118 } | |
| 119 | |
| 120 void VideoCaptureHandlerProxy::OnRemovedOnMainThread( | |
| 121 VideoCapture* capture, | |
| 122 const VideoCaptureState& state) { | |
| 123 state_ = state; | |
| 124 proxied_->OnRemoved(capture); | |
| 125 } | |
| 126 | |
| 127 void VideoCaptureHandlerProxy::OnFrameReadyOnMainThread( | |
| 128 VideoCapture* capture, | |
| 129 const VideoCaptureState& state, | |
| 130 const scoped_refptr<VideoFrame>& frame) { | |
| 131 state_ = state; | |
| 132 proxied_->OnFrameReady(capture, frame); | |
| 133 } | |
| 134 | |
| 135 } // namespace media | |
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Chromium Code Reviews
Issue 242013002:
Refactor video capturing code in the render process (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src