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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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