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1 /* | 1 /* |
2 * Copyright (c) 2010 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2010 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 // Implementation file of class VideoCapturer. | 11 // Implementation file of class VideoCapturer. |
12 | 12 |
13 #include "webrtc/media/base/videocapturer.h" | 13 #include "webrtc/media/base/videocapturer.h" |
14 | 14 |
15 #include <algorithm> | 15 #include <algorithm> |
16 | 16 |
17 #include "libyuv/scale_argb.h" | 17 #include "libyuv/scale_argb.h" |
18 #include "webrtc/base/common.h" | 18 #include "webrtc/base/common.h" |
19 #include "webrtc/base/logging.h" | 19 #include "webrtc/base/logging.h" |
20 #include "webrtc/base/systeminfo.h" | 20 #include "webrtc/base/systeminfo.h" |
21 #include "webrtc/video_frame.h" | 21 #include "webrtc/media/engine/webrtcvideoframe.h" |
22 | 22 |
23 namespace cricket { | 23 namespace cricket { |
24 | 24 |
25 namespace { | 25 namespace { |
26 | 26 |
27 static const int64_t kMaxDistance = ~(static_cast<int64_t>(1) << 63); | 27 static const int64_t kMaxDistance = ~(static_cast<int64_t>(1) << 63); |
28 #ifdef WEBRTC_LINUX | 28 #ifdef WEBRTC_LINUX |
29 static const int kYU12Penalty = 16; // Needs to be higher than MJPG index. | 29 static const int kYU12Penalty = 16; // Needs to be higher than MJPG index. |
30 #endif | 30 #endif |
31 | 31 |
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125 if (!input_size_valid_) { | 125 if (!input_size_valid_) { |
126 return false; | 126 return false; |
127 } | 127 } |
128 *width = input_width_; | 128 *width = input_width_; |
129 *height = input_height_; | 129 *height = input_height_; |
130 | 130 |
131 return true; | 131 return true; |
132 } | 132 } |
133 | 133 |
134 void VideoCapturer::RemoveSink( | 134 void VideoCapturer::RemoveSink( |
135 rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) { | 135 rtc::VideoSinkInterface<cricket::VideoFrame>* sink) { |
136 RTC_DCHECK(thread_checker_.CalledOnValidThread()); | 136 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
137 broadcaster_.RemoveSink(sink); | 137 broadcaster_.RemoveSink(sink); |
138 OnSinkWantsChanged(broadcaster_.wants()); | 138 OnSinkWantsChanged(broadcaster_.wants()); |
139 } | 139 } |
140 | 140 |
141 void VideoCapturer::AddOrUpdateSink( | 141 void VideoCapturer::AddOrUpdateSink( |
142 rtc::VideoSinkInterface<webrtc::VideoFrame>* sink, | 142 rtc::VideoSinkInterface<cricket::VideoFrame>* sink, |
143 const rtc::VideoSinkWants& wants) { | 143 const rtc::VideoSinkWants& wants) { |
144 RTC_DCHECK(thread_checker_.CalledOnValidThread()); | 144 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
145 broadcaster_.AddOrUpdateSink(sink, wants); | 145 broadcaster_.AddOrUpdateSink(sink, wants); |
146 OnSinkWantsChanged(broadcaster_.wants()); | 146 OnSinkWantsChanged(broadcaster_.wants()); |
147 } | 147 } |
148 | 148 |
149 void VideoCapturer::OnSinkWantsChanged(const rtc::VideoSinkWants& wants) { | 149 void VideoCapturer::OnSinkWantsChanged(const rtc::VideoSinkWants& wants) { |
150 RTC_DCHECK(thread_checker_.CalledOnValidThread()); | 150 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
151 apply_rotation_ = wants.rotation_applied; | 151 apply_rotation_ = wants.rotation_applied; |
152 | 152 |
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189 *out_height = height; | 189 *out_height = height; |
190 *crop_width = width; | 190 *crop_width = width; |
191 *crop_height = height; | 191 *crop_height = height; |
192 *crop_x = 0; | 192 *crop_x = 0; |
193 *crop_y = 0; | 193 *crop_y = 0; |
194 } | 194 } |
195 | 195 |
196 return true; | 196 return true; |
197 } | 197 } |
198 | 198 |
199 void VideoCapturer::OnFrame(const webrtc::VideoFrame& frame, | 199 void VideoCapturer::OnFrame(const VideoFrame& frame, |
200 int orig_width, | 200 int orig_width, |
201 int orig_height) { | 201 int orig_height) { |
202 // For a child class which implements rotation itself, we should | 202 // For a child class which implements rotation itself, we should |
203 // always have apply_rotation_ == false or frame.rotation() == 0. | 203 // always have apply_rotation_ == false or frame.rotation() == 0. |
204 // Except possibly during races where apply_rotation_ is changed | 204 // Except possibly during races where apply_rotation_ is changed |
205 // mid-stream. | 205 // mid-stream. |
206 if (apply_rotation_ && frame.rotation() != webrtc::kVideoRotation_0) { | 206 if (apply_rotation_ && frame.rotation() != webrtc::kVideoRotation_0) { |
207 rtc::scoped_refptr<webrtc::VideoFrameBuffer> buffer( | 207 rtc::scoped_refptr<webrtc::VideoFrameBuffer> buffer( |
208 frame.video_frame_buffer()); | 208 frame.video_frame_buffer()); |
209 if (buffer->native_handle()) { | 209 if (buffer->native_handle()) { |
210 // Sources producing native frames must handle apply_rotation | 210 // Sources producing native frames must handle apply_rotation |
211 // themselves. But even if they do, we may occasionally end up | 211 // themselves. But even if they do, we may occasionally end up |
212 // in this case, for frames in flight at the time | 212 // in this case, for frames in flight at the time |
213 // applied_rotation is set to true. In that case, we just drop | 213 // applied_rotation is set to true. In that case, we just drop |
214 // the frame. | 214 // the frame. |
215 LOG(LS_WARNING) << "Native frame requiring rotation. Discarding."; | 215 LOG(LS_WARNING) << "Native frame requiring rotation. Discarding."; |
216 return; | 216 return; |
217 } | 217 } |
218 broadcaster_.OnFrame(webrtc::VideoFrame( | 218 broadcaster_.OnFrame(WebRtcVideoFrame( |
219 webrtc::I420Buffer::Rotate(buffer, frame.rotation()), | 219 webrtc::I420Buffer::Rotate(buffer, frame.rotation()), |
220 webrtc::kVideoRotation_0, frame.timestamp_us())); | 220 webrtc::kVideoRotation_0, frame.timestamp_us())); |
221 } else { | 221 } else { |
222 broadcaster_.OnFrame(frame); | 222 broadcaster_.OnFrame(frame); |
223 } | 223 } |
224 UpdateInputSize(orig_width, orig_height); | 224 UpdateInputSize(orig_width, orig_height); |
225 } | 225 } |
226 | 226 |
227 void VideoCapturer::SetCaptureState(CaptureState state) { | 227 void VideoCapturer::SetCaptureState(CaptureState state) { |
228 RTC_DCHECK(thread_checker_.CalledOnValidThread()); | 228 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
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365 void VideoCapturer::UpdateInputSize(int width, int height) { | 365 void VideoCapturer::UpdateInputSize(int width, int height) { |
366 // Update stats protected from fetches from different thread. | 366 // Update stats protected from fetches from different thread. |
367 rtc::CritScope cs(&frame_stats_crit_); | 367 rtc::CritScope cs(&frame_stats_crit_); |
368 | 368 |
369 input_size_valid_ = true; | 369 input_size_valid_ = true; |
370 input_width_ = width; | 370 input_width_ = width; |
371 input_height_ = height; | 371 input_height_ = height; |
372 } | 372 } |
373 | 373 |
374 } // namespace cricket | 374 } // namespace cricket |
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