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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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/html_video_element_capturer_source.h" | 5 #include "content/renderer/media/html_video_element_capturer_source.h" |
6 | 6 |
7 #include "base/location.h" | 7 #include "base/location.h" |
8 #include "base/memory/ptr_util.h" | 8 #include "base/memory/ptr_util.h" |
9 #include "base/single_thread_task_runner.h" | 9 #include "base/single_thread_task_runner.h" |
10 #include "base/threading/thread_task_runner_handle.h" | 10 #include "base/threading/thread_task_runner_handle.h" |
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55 | 55 |
56 HtmlVideoElementCapturerSource::~HtmlVideoElementCapturerSource() { | 56 HtmlVideoElementCapturerSource::~HtmlVideoElementCapturerSource() { |
57 DCHECK(thread_checker_.CalledOnValidThread()); | 57 DCHECK(thread_checker_.CalledOnValidThread()); |
58 } | 58 } |
59 | 59 |
60 void HtmlVideoElementCapturerSource::GetCurrentSupportedFormats( | 60 void HtmlVideoElementCapturerSource::GetCurrentSupportedFormats( |
61 int max_requested_width, | 61 int max_requested_width, |
62 int max_requested_height, | 62 int max_requested_height, |
63 double max_requested_frame_rate, | 63 double max_requested_frame_rate, |
64 const VideoCaptureDeviceFormatsCB& callback) { | 64 const VideoCaptureDeviceFormatsCB& callback) { |
65 DVLOG(3) << __FUNCTION__ << "{ max_requested_height = " | 65 DVLOG(3) << __func__ << "{ max_requested_height = " << max_requested_height |
66 << max_requested_height << "}) { max_requested_width = " | 66 << "}) { max_requested_width = " << max_requested_width |
67 << max_requested_width << "}) { max_requested_frame_rate = " | 67 << "}) { max_requested_frame_rate = " << max_requested_frame_rate |
68 << max_requested_frame_rate << "})"; | 68 << "})"; |
69 DCHECK(thread_checker_.CalledOnValidThread()); | 69 DCHECK(thread_checker_.CalledOnValidThread()); |
70 | 70 |
71 // WebMediaPlayer has a setRate() but can't be read back. | 71 // WebMediaPlayer has a setRate() but can't be read back. |
72 // TODO(mcasas): Add getRate() to WMPlayer and/or fix the spec to allow users | 72 // TODO(mcasas): Add getRate() to WMPlayer and/or fix the spec to allow users |
73 // to specify it. | 73 // to specify it. |
74 const media::VideoCaptureFormat format( | 74 const media::VideoCaptureFormat format( |
75 web_media_player_->naturalSize(), | 75 web_media_player_->naturalSize(), |
76 MediaStreamVideoSource::kDefaultFrameRate, | 76 MediaStreamVideoSource::kDefaultFrameRate, |
77 media::PIXEL_FORMAT_I420); | 77 media::PIXEL_FORMAT_I420); |
78 media::VideoCaptureFormats formats; | 78 media::VideoCaptureFormats formats; |
79 formats.push_back(format); | 79 formats.push_back(format); |
80 callback.Run(formats); | 80 callback.Run(formats); |
81 } | 81 } |
82 | 82 |
83 void HtmlVideoElementCapturerSource::StartCapture( | 83 void HtmlVideoElementCapturerSource::StartCapture( |
84 const media::VideoCaptureParams& params, | 84 const media::VideoCaptureParams& params, |
85 const VideoCaptureDeliverFrameCB& new_frame_callback, | 85 const VideoCaptureDeliverFrameCB& new_frame_callback, |
86 const RunningCallback& running_callback) { | 86 const RunningCallback& running_callback) { |
87 DVLOG(3) << __FUNCTION__ << " requested " | 87 DVLOG(3) << __func__ << " requested " |
88 << media::VideoCaptureFormat::ToString(params.requested_format); | 88 << media::VideoCaptureFormat::ToString(params.requested_format); |
89 DCHECK(params.requested_format.IsValid()); | 89 DCHECK(params.requested_format.IsValid()); |
90 DCHECK(thread_checker_.CalledOnValidThread()); | 90 DCHECK(thread_checker_.CalledOnValidThread()); |
91 | 91 |
92 running_callback_ = running_callback; | 92 running_callback_ = running_callback; |
93 if (!web_media_player_ || !web_media_player_->hasVideo()) { | 93 if (!web_media_player_ || !web_media_player_->hasVideo()) { |
94 running_callback_.Run(false); | 94 running_callback_.Run(false); |
95 return; | 95 return; |
96 } | 96 } |
97 const blink::WebSize resolution = web_media_player_->naturalSize(); | 97 const blink::WebSize resolution = web_media_player_->naturalSize(); |
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109 std::min(static_cast<float>(media::limits::kMaxFramesPerSecond), | 109 std::min(static_cast<float>(media::limits::kMaxFramesPerSecond), |
110 params.requested_format.frame_rate)); | 110 params.requested_format.frame_rate)); |
111 | 111 |
112 running_callback_.Run(true); | 112 running_callback_.Run(true); |
113 base::ThreadTaskRunnerHandle::Get()->PostTask( | 113 base::ThreadTaskRunnerHandle::Get()->PostTask( |
114 FROM_HERE, base::Bind(&HtmlVideoElementCapturerSource::sendNewFrame, | 114 FROM_HERE, base::Bind(&HtmlVideoElementCapturerSource::sendNewFrame, |
115 weak_factory_.GetWeakPtr())); | 115 weak_factory_.GetWeakPtr())); |
116 } | 116 } |
117 | 117 |
118 void HtmlVideoElementCapturerSource::StopCapture() { | 118 void HtmlVideoElementCapturerSource::StopCapture() { |
119 DVLOG(3) << __FUNCTION__; | 119 DVLOG(3) << __func__; |
120 DCHECK(thread_checker_.CalledOnValidThread()); | 120 DCHECK(thread_checker_.CalledOnValidThread()); |
121 running_callback_.Reset(); | 121 running_callback_.Reset(); |
122 new_frame_callback_.Reset(); | 122 new_frame_callback_.Reset(); |
123 next_capture_time_ = base::TimeTicks(); | 123 next_capture_time_ = base::TimeTicks(); |
124 } | 124 } |
125 | 125 |
126 void HtmlVideoElementCapturerSource::sendNewFrame() { | 126 void HtmlVideoElementCapturerSource::sendNewFrame() { |
127 DVLOG(3) << __FUNCTION__; | 127 DVLOG(3) << __func__; |
128 TRACE_EVENT0("video", "HtmlVideoElementCapturerSource::sendNewFrame"); | 128 TRACE_EVENT0("video", "HtmlVideoElementCapturerSource::sendNewFrame"); |
129 DCHECK(thread_checker_.CalledOnValidThread()); | 129 DCHECK(thread_checker_.CalledOnValidThread()); |
130 | 130 |
131 if (!web_media_player_ || new_frame_callback_.is_null()) | 131 if (!web_media_player_ || new_frame_callback_.is_null()) |
132 return; | 132 return; |
133 | 133 |
134 const base::TimeTicks current_time = base::TimeTicks::Now(); | 134 const base::TimeTicks current_time = base::TimeTicks::Now(); |
135 const blink::WebSize resolution = web_media_player_->naturalSize(); | 135 const blink::WebSize resolution = web_media_player_->naturalSize(); |
136 | 136 |
137 SkCanvas* canvas = surface_->getCanvas(); | 137 SkCanvas* canvas = surface_->getCanvas(); |
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194 next_capture_time_ = current_time; | 194 next_capture_time_ = current_time; |
195 } | 195 } |
196 // Schedule next capture. | 196 // Schedule next capture. |
197 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( | 197 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
198 FROM_HERE, base::Bind(&HtmlVideoElementCapturerSource::sendNewFrame, | 198 FROM_HERE, base::Bind(&HtmlVideoElementCapturerSource::sendNewFrame, |
199 weak_factory_.GetWeakPtr()), | 199 weak_factory_.GetWeakPtr()), |
200 next_capture_time_ - current_time); | 200 next_capture_time_ - current_time); |
201 } | 201 } |
202 | 202 |
203 } // namespace content | 203 } // namespace content |
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