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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "content/renderer/media/local_video_capture.h" | 5 #include "content/renderer/media/local_video_capture.h" |
6 | 6 |
7 #include "content/renderer/media/video_capture_impl_manager.h" | 7 #include "content/renderer/media/video_capture_impl_manager.h" |
8 #include "media/base/video_util.h" | 8 #include "media/base/video_util.h" |
9 #include "media/video/capture/video_capture_proxy.h" | 9 #include "media/video/capture/video_capture_proxy.h" |
10 | 10 |
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23 : video_stream_id_(video_stream_id), | 23 : video_stream_id_(video_stream_id), |
24 vc_manager_(vc_manager), | 24 vc_manager_(vc_manager), |
25 capability_(capability), | 25 capability_(capability), |
26 error_cb_(error_cb), | 26 error_cb_(error_cb), |
27 repaint_cb_(repaint_cb), | 27 repaint_cb_(repaint_cb), |
28 capture_engine_(NULL), | 28 capture_engine_(NULL), |
29 message_loop_proxy_(base::MessageLoopProxy::current()), | 29 message_loop_proxy_(base::MessageLoopProxy::current()), |
30 ALLOW_THIS_IN_INITIALIZER_LIST( | 30 ALLOW_THIS_IN_INITIALIZER_LIST( |
31 handler_proxy_(new media::VideoCaptureHandlerProxy( | 31 handler_proxy_(new media::VideoCaptureHandlerProxy( |
32 this, message_loop_proxy_))), | 32 this, message_loop_proxy_))), |
33 state_(video_capture::kStopped) { | 33 state_(VIDEO_CAPTURE_STATE_STOPPED) { |
34 DVLOG(3) << "LocalVideoCapture::ctor"; | 34 DVLOG(3) << "LocalVideoCapture::ctor"; |
35 DCHECK(vc_manager); | 35 DCHECK(vc_manager); |
36 } | 36 } |
37 | 37 |
38 LocalVideoCapture::~LocalVideoCapture() { | 38 LocalVideoCapture::~LocalVideoCapture() { |
39 DVLOG(3) << "LocalVideoCapture::dtor"; | 39 DVLOG(3) << "LocalVideoCapture::dtor"; |
40 } | 40 } |
41 | 41 |
42 void LocalVideoCapture::Start() { | 42 void LocalVideoCapture::Start() { |
43 DVLOG(3) << "LocalVideoCapture::Start"; | 43 DVLOG(3) << "LocalVideoCapture::Start"; |
44 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 44 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
45 DCHECK_EQ(state_, video_capture::kStopped); | 45 DCHECK_EQ(state_, VIDEO_CAPTURE_STATE_STOPPED); |
46 | 46 |
47 capture_engine_ = vc_manager_->AddDevice(video_stream_id_, this); | 47 capture_engine_ = vc_manager_->AddDevice(video_stream_id_, this); |
48 state_ = video_capture::kStarted; | 48 state_ = VIDEO_CAPTURE_STATE_STARTED; |
49 AddRef(); // Will be balanced in OnRemoved(). | 49 AddRef(); // Will be balanced in OnRemoved(). |
50 capture_engine_->StartCapture(handler_proxy_.get(), capability_); | 50 capture_engine_->StartCapture(handler_proxy_.get(), capability_); |
51 } | 51 } |
52 | 52 |
53 void LocalVideoCapture::Stop() { | 53 void LocalVideoCapture::Stop() { |
54 DVLOG(3) << "LocalVideoCapture::Stop"; | 54 DVLOG(3) << "LocalVideoCapture::Stop"; |
55 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 55 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
56 if (capture_engine_) { | 56 if (capture_engine_) { |
57 state_ = video_capture::kStopping; | 57 state_ = VIDEO_CAPTURE_STATE_STOPPING; |
58 capture_engine_->StopCapture(handler_proxy_.get()); | 58 capture_engine_->StopCapture(handler_proxy_.get()); |
59 capture_engine_ = NULL; | 59 capture_engine_ = NULL; |
60 } | 60 } |
61 } | 61 } |
62 | 62 |
63 void LocalVideoCapture::Play() { | 63 void LocalVideoCapture::Play() { |
64 DVLOG(3) << "LocalVideoCapture::Play"; | 64 DVLOG(3) << "LocalVideoCapture::Play"; |
65 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 65 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
66 if (capture_engine_ && state_ == video_capture::kPaused) { | 66 if (capture_engine_ && state_ == VIDEO_CAPTURE_STATE_PAUSED) { |
67 state_ = video_capture::kStarted; | 67 state_ = VIDEO_CAPTURE_STATE_STARTED; |
68 } | 68 } |
69 } | 69 } |
70 | 70 |
71 void LocalVideoCapture::Pause() { | 71 void LocalVideoCapture::Pause() { |
72 DVLOG(3) << "LocalVideoCapture::Pause"; | 72 DVLOG(3) << "LocalVideoCapture::Pause"; |
73 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 73 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
74 if (capture_engine_ && state_ == video_capture::kStarted) { | 74 if (capture_engine_ && state_ == VIDEO_CAPTURE_STATE_STARTED) { |
75 state_ = video_capture::kPaused; | 75 state_ = VIDEO_CAPTURE_STATE_PAUSED; |
76 } | 76 } |
77 } | 77 } |
78 | 78 |
79 void LocalVideoCapture::OnStarted(media::VideoCapture* capture) { | 79 void LocalVideoCapture::OnStarted(media::VideoCapture* capture) { |
80 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 80 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
81 NOTIMPLEMENTED(); | 81 NOTIMPLEMENTED(); |
82 } | 82 } |
83 | 83 |
84 void LocalVideoCapture::OnStopped(media::VideoCapture* capture) { | 84 void LocalVideoCapture::OnStopped(media::VideoCapture* capture) { |
85 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 85 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
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112 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 112 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
113 } | 113 } |
114 | 114 |
115 void LocalVideoCapture::OnBufferReady( | 115 void LocalVideoCapture::OnBufferReady( |
116 media::VideoCapture* capture, | 116 media::VideoCapture* capture, |
117 scoped_refptr<media::VideoCapture::VideoFrameBuffer> buf) { | 117 scoped_refptr<media::VideoCapture::VideoFrameBuffer> buf) { |
118 DVLOG(3) << "LocalVideoCapture::OnBufferReady, state:" << state_; | 118 DVLOG(3) << "LocalVideoCapture::OnBufferReady, state:" << state_; |
119 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); | 119 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
120 DCHECK(buf); | 120 DCHECK(buf); |
121 | 121 |
122 if (state_ != video_capture::kStarted) { | 122 if (state_ != VIDEO_CAPTURE_STATE_STARTED) { |
123 capture->FeedBuffer(buf); | 123 capture->FeedBuffer(buf); |
124 return; | 124 return; |
125 } | 125 } |
126 | 126 |
127 gfx::Size natural_size(buf->width, buf->height); | 127 gfx::Size natural_size(buf->width, buf->height); |
128 scoped_refptr<media::VideoFrame> current_frame = | 128 scoped_refptr<media::VideoFrame> current_frame = |
129 media::VideoFrame::CreateFrame(media::VideoFrame::YV12, | 129 media::VideoFrame::CreateFrame(media::VideoFrame::YV12, |
130 natural_size, natural_size, | 130 natural_size, natural_size, |
131 buf->timestamp - base::Time()); | 131 buf->timestamp - base::Time()); |
132 uint8* buffer = buf->memory_pointer; | 132 uint8* buffer = buf->memory_pointer; |
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144 buffer += y_width * y_height; | 144 buffer += y_width * y_height; |
145 CopyUPlane(buffer, uv_width, uv_height, current_frame); | 145 CopyUPlane(buffer, uv_width, uv_height, current_frame); |
146 buffer += uv_width * uv_height; | 146 buffer += uv_width * uv_height; |
147 CopyVPlane(buffer, uv_width, uv_height, current_frame); | 147 CopyVPlane(buffer, uv_width, uv_height, current_frame); |
148 | 148 |
149 capture->FeedBuffer(buf); | 149 capture->FeedBuffer(buf); |
150 repaint_cb_.Run(current_frame); | 150 repaint_cb_.Run(current_frame); |
151 } | 151 } |
152 | 152 |
153 } // namespace content | 153 } // namespace content |
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