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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_capture_from_element/html_video_element_capture
r_source.h" | 5 #include "content/renderer/media_capture_from_element/html_video_element_capture
r_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" |
11 #include "base/trace_event/trace_event.h" | 11 #include "base/trace_event/trace_event.h" |
12 #include "cc/paint/paint_canvas.h" | 12 #include "cc/paint/skia_paint_canvas.h" |
13 #include "cc/paint/paint_surface.h" | |
14 #include "content/public/renderer/render_thread.h" | 13 #include "content/public/renderer/render_thread.h" |
15 #include "content/renderer/media/media_stream_video_source.h" | 14 #include "content/renderer/media/media_stream_video_source.h" |
16 #include "content/renderer/media/webrtc_uma_histograms.h" | 15 #include "content/renderer/media/webrtc_uma_histograms.h" |
17 #include "media/base/limits.h" | 16 #include "media/base/limits.h" |
18 #include "media/blink/webmediaplayer_impl.h" | 17 #include "media/blink/webmediaplayer_impl.h" |
19 #include "skia/ext/platform_canvas.h" | 18 #include "skia/ext/platform_canvas.h" |
20 #include "third_party/WebKit/public/platform/WebMediaPlayer.h" | 19 #include "third_party/WebKit/public/platform/WebMediaPlayer.h" |
21 #include "third_party/WebKit/public/platform/WebRect.h" | 20 #include "third_party/WebKit/public/platform/WebRect.h" |
22 #include "third_party/WebKit/public/platform/WebSize.h" | 21 #include "third_party/WebKit/public/platform/WebSize.h" |
23 #include "third_party/libyuv/include/libyuv.h" | 22 #include "third_party/libyuv/include/libyuv.h" |
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87 << media::VideoCaptureFormat::ToString(params.requested_format); | 86 << media::VideoCaptureFormat::ToString(params.requested_format); |
88 DCHECK(params.requested_format.IsValid()); | 87 DCHECK(params.requested_format.IsValid()); |
89 DCHECK(thread_checker_.CalledOnValidThread()); | 88 DCHECK(thread_checker_.CalledOnValidThread()); |
90 | 89 |
91 running_callback_ = running_callback; | 90 running_callback_ = running_callback; |
92 if (!web_media_player_ || !web_media_player_->hasVideo()) { | 91 if (!web_media_player_ || !web_media_player_->hasVideo()) { |
93 running_callback_.Run(false); | 92 running_callback_.Run(false); |
94 return; | 93 return; |
95 } | 94 } |
96 const blink::WebSize resolution = web_media_player_->naturalSize(); | 95 const blink::WebSize resolution = web_media_player_->naturalSize(); |
97 surface_ = cc::PaintSurface::MakeRasterN32Premul(resolution.width, | 96 |
98 resolution.height); | 97 canvas_ = cc::SkiaPaintCanvas::CreateRasterZeroed( |
99 if (!surface_) { | 98 SkImageInfo::MakeN32Premul(resolution.width, resolution.height)); |
| 99 if (!canvas_) { |
100 running_callback_.Run(false); | 100 running_callback_.Run(false); |
101 return; | 101 return; |
102 } | 102 } |
103 | 103 |
104 new_frame_callback_ = new_frame_callback; | 104 new_frame_callback_ = new_frame_callback; |
105 // Force |capture_frame_rate_| to be in between k{Min,Max}FramesPerSecond. | 105 // Force |capture_frame_rate_| to be in between k{Min,Max}FramesPerSecond. |
106 capture_frame_rate_ = | 106 capture_frame_rate_ = |
107 std::max(kMinFramesPerSecond, | 107 std::max(kMinFramesPerSecond, |
108 std::min(static_cast<float>(media::limits::kMaxFramesPerSecond), | 108 std::min(static_cast<float>(media::limits::kMaxFramesPerSecond), |
109 params.requested_format.frame_rate)); | 109 params.requested_format.frame_rate)); |
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126 DVLOG(3) << __func__; | 126 DVLOG(3) << __func__; |
127 TRACE_EVENT0("video", "HtmlVideoElementCapturerSource::sendNewFrame"); | 127 TRACE_EVENT0("video", "HtmlVideoElementCapturerSource::sendNewFrame"); |
128 DCHECK(thread_checker_.CalledOnValidThread()); | 128 DCHECK(thread_checker_.CalledOnValidThread()); |
129 | 129 |
130 if (!web_media_player_ || new_frame_callback_.is_null()) | 130 if (!web_media_player_ || new_frame_callback_.is_null()) |
131 return; | 131 return; |
132 | 132 |
133 const base::TimeTicks current_time = base::TimeTicks::Now(); | 133 const base::TimeTicks current_time = base::TimeTicks::Now(); |
134 const blink::WebSize resolution = web_media_player_->naturalSize(); | 134 const blink::WebSize resolution = web_media_player_->naturalSize(); |
135 | 135 |
136 cc::PaintCanvas* canvas = surface_->getCanvas(); | |
137 cc::PaintFlags flags; | 136 cc::PaintFlags flags; |
138 flags.setBlendMode(SkBlendMode::kSrc); | 137 flags.setBlendMode(SkBlendMode::kSrc); |
139 flags.setFilterQuality(kLow_SkFilterQuality); | 138 flags.setFilterQuality(kLow_SkFilterQuality); |
140 web_media_player_->paint( | 139 web_media_player_->paint( |
141 canvas, blink::WebRect(0, 0, resolution.width, resolution.height), flags); | 140 canvas_.get(), blink::WebRect(0, 0, resolution.width, resolution.height), |
142 DCHECK_NE(kUnknown_SkColorType, canvas->imageInfo().colorType()); | 141 flags); |
143 DCHECK_EQ(canvas->imageInfo().width(), resolution.width); | 142 DCHECK_NE(kUnknown_SkColorType, canvas_->imageInfo().colorType()); |
144 DCHECK_EQ(canvas->imageInfo().height(), resolution.height); | 143 DCHECK_EQ(canvas_->imageInfo().width(), resolution.width); |
| 144 DCHECK_EQ(canvas_->imageInfo().height(), resolution.height); |
145 | 145 |
146 SkBitmap bitmap; | 146 SkBitmap bitmap; |
147 bitmap.setInfo(canvas->imageInfo()); | 147 bitmap.setInfo(canvas_->imageInfo()); |
148 canvas->readPixels(&bitmap, 0, 0); | 148 canvas_->readPixels(&bitmap, 0, 0); |
149 | 149 |
150 DCHECK_NE(kUnknown_SkColorType, bitmap.colorType()); | 150 DCHECK_NE(kUnknown_SkColorType, bitmap.colorType()); |
151 DCHECK(!bitmap.drawsNothing()); | 151 DCHECK(!bitmap.drawsNothing()); |
152 DCHECK(bitmap.getPixels()); | 152 DCHECK(bitmap.getPixels()); |
153 if (bitmap.colorType() != kN32_SkColorType) { | 153 if (bitmap.colorType() != kN32_SkColorType) { |
154 DLOG(ERROR) << "Only supported color type is kN32_SkColorType (ARGB/ABGR)"; | 154 DLOG(ERROR) << "Only supported color type is kN32_SkColorType (ARGB/ABGR)"; |
155 return; | 155 return; |
156 } | 156 } |
157 | 157 |
158 scoped_refptr<media::VideoFrame> frame = frame_pool_.CreateFrame( | 158 scoped_refptr<media::VideoFrame> frame = frame_pool_.CreateFrame( |
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198 next_capture_time_ = current_time; | 198 next_capture_time_ = current_time; |
199 } | 199 } |
200 // Schedule next capture. | 200 // Schedule next capture. |
201 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( | 201 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
202 FROM_HERE, base::Bind(&HtmlVideoElementCapturerSource::sendNewFrame, | 202 FROM_HERE, base::Bind(&HtmlVideoElementCapturerSource::sendNewFrame, |
203 weak_factory_.GetWeakPtr()), | 203 weak_factory_.GetWeakPtr()), |
204 next_capture_time_ - current_time); | 204 next_capture_time_ - current_time); |
205 } | 205 } |
206 | 206 |
207 } // namespace content | 207 } // namespace content |
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