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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 "webrtc/api/video/i420_buffer.h" |
| 18 #include "webrtc/api/video/video_frame.h" |
| 17 #include "webrtc/base/common.h" | 19 #include "webrtc/base/common.h" |
| 18 #include "webrtc/base/logging.h" | 20 #include "webrtc/base/logging.h" |
| 19 #include "webrtc/base/systeminfo.h" | 21 #include "webrtc/base/systeminfo.h" |
| 20 #include "webrtc/video_frame.h" | |
| 21 | 22 |
| 22 namespace cricket { | 23 namespace cricket { |
| 23 | 24 |
| 24 namespace { | 25 namespace { |
| 25 | 26 |
| 26 static const int64_t kMaxDistance = ~(static_cast<int64_t>(1) << 63); | 27 static const int64_t kMaxDistance = ~(static_cast<int64_t>(1) << 63); |
| 27 #ifdef WEBRTC_LINUX | 28 #ifdef WEBRTC_LINUX |
| 28 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. |
| 29 #endif | 30 #endif |
| 30 | 31 |
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| 208 if (buffer->native_handle()) { | 209 if (buffer->native_handle()) { |
| 209 // Sources producing native frames must handle apply_rotation | 210 // Sources producing native frames must handle apply_rotation |
| 210 // themselves. But even if they do, we may occasionally end up | 211 // themselves. But even if they do, we may occasionally end up |
| 211 // in this case, for frames in flight at the time | 212 // in this case, for frames in flight at the time |
| 212 // 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 |
| 213 // the frame. | 214 // the frame. |
| 214 LOG(LS_WARNING) << "Native frame requiring rotation. Discarding."; | 215 LOG(LS_WARNING) << "Native frame requiring rotation. Discarding."; |
| 215 return; | 216 return; |
| 216 } | 217 } |
| 217 broadcaster_.OnFrame(webrtc::VideoFrame( | 218 broadcaster_.OnFrame(webrtc::VideoFrame( |
| 218 webrtc::I420Buffer::Rotate(buffer, frame.rotation()), | 219 webrtc::I420Buffer::Rotate(*buffer, frame.rotation()), |
| 219 webrtc::kVideoRotation_0, frame.timestamp_us())); | 220 webrtc::kVideoRotation_0, frame.timestamp_us())); |
| 220 } else { | 221 } else { |
| 221 broadcaster_.OnFrame(frame); | 222 broadcaster_.OnFrame(frame); |
| 222 } | 223 } |
| 223 UpdateInputSize(orig_width, orig_height); | 224 UpdateInputSize(orig_width, orig_height); |
| 224 } | 225 } |
| 225 | 226 |
| 226 void VideoCapturer::SetCaptureState(CaptureState state) { | 227 void VideoCapturer::SetCaptureState(CaptureState state) { |
| 227 RTC_DCHECK(thread_checker_.CalledOnValidThread()); | 228 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
| 228 if (state == capture_state_) { | 229 if (state == capture_state_) { |
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| 364 void VideoCapturer::UpdateInputSize(int width, int height) { | 365 void VideoCapturer::UpdateInputSize(int width, int height) { |
| 365 // Update stats protected from fetches from different thread. | 366 // Update stats protected from fetches from different thread. |
| 366 rtc::CritScope cs(&frame_stats_crit_); | 367 rtc::CritScope cs(&frame_stats_crit_); |
| 367 | 368 |
| 368 input_size_valid_ = true; | 369 input_size_valid_ = true; |
| 369 input_width_ = width; | 370 input_width_ = width; |
| 370 input_height_ = height; | 371 input_height_ = height; |
| 371 } | 372 } |
| 372 | 373 |
| 373 } // namespace cricket | 374 } // namespace cricket |
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