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| 1 /* | 1 /* |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 #include "webrtc/video/video_capture_input.h" | 11 #include "webrtc/video/video_capture_input.h" |
| 12 | 12 |
| 13 #include "webrtc/base/checks.h" | 13 #include "webrtc/base/checks.h" |
| 14 #include "webrtc/base/logging.h" | 14 #include "webrtc/base/logging.h" |
| 15 #include "webrtc/base/trace_event.h" | 15 #include "webrtc/base/trace_event.h" |
| 16 #include "webrtc/modules/include/module_common_types.h" | 16 #include "webrtc/modules/include/module_common_types.h" |
| 17 #include "webrtc/modules/utility/include/process_thread.h" | 17 #include "webrtc/modules/utility/include/process_thread.h" |
| 18 #include "webrtc/modules/video_capture/video_capture_factory.h" | 18 #include "webrtc/modules/video_capture/video_capture_factory.h" |
| 19 #include "webrtc/modules/video_processing/include/video_processing.h" | 19 #include "webrtc/modules/video_processing/include/video_processing.h" |
| 20 #include "webrtc/modules/video_render/video_render_defines.h" | 20 #include "webrtc/modules/video_render/video_render_defines.h" |
| 21 #include "webrtc/system_wrappers/include/clock.h" | 21 #include "webrtc/system_wrappers/include/clock.h" |
| 22 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" | 22 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" |
| 23 #include "webrtc/system_wrappers/include/event_wrapper.h" | |
| 24 #include "webrtc/system_wrappers/include/tick_util.h" | 23 #include "webrtc/system_wrappers/include/tick_util.h" |
| 25 #include "webrtc/video/overuse_frame_detector.h" | 24 #include "webrtc/video/overuse_frame_detector.h" |
| 26 #include "webrtc/video/send_statistics_proxy.h" | 25 #include "webrtc/video/send_statistics_proxy.h" |
| 27 #include "webrtc/video/vie_encoder.h" | 26 #include "webrtc/video/vie_encoder.h" |
| 28 | 27 |
| 29 namespace webrtc { | 28 namespace webrtc { |
| 30 | 29 |
| 31 namespace internal { | 30 namespace internal { |
| 32 VideoCaptureInput::VideoCaptureInput( | 31 VideoCaptureInput::VideoCaptureInput( |
| 33 ProcessThread* module_process_thread, | 32 ProcessThread* module_process_thread, |
| 34 VideoCaptureCallback* frame_callback, | 33 VideoCaptureCallback* frame_callback, |
| 35 VideoRenderer* local_renderer, | 34 VideoRenderer* local_renderer, |
| 36 SendStatisticsProxy* stats_proxy, | 35 SendStatisticsProxy* stats_proxy, |
| 37 CpuOveruseObserver* overuse_observer, | 36 CpuOveruseObserver* overuse_observer, |
| 38 EncodingTimeObserver* encoding_time_observer) | 37 EncodingTimeObserver* encoding_time_observer) |
| 39 : capture_cs_(CriticalSectionWrapper::CreateCriticalSection()), | 38 : capture_cs_(CriticalSectionWrapper::CreateCriticalSection()), |
| 40 module_process_thread_(module_process_thread), | 39 module_process_thread_(module_process_thread), |
| 41 frame_callback_(frame_callback), | 40 frame_callback_(frame_callback), |
| 42 local_renderer_(local_renderer), | 41 local_renderer_(local_renderer), |
| 43 stats_proxy_(stats_proxy), | 42 stats_proxy_(stats_proxy), |
| 44 incoming_frame_cs_(CriticalSectionWrapper::CreateCriticalSection()), | 43 incoming_frame_cs_(CriticalSectionWrapper::CreateCriticalSection()), |
| 45 encoder_thread_(EncoderThreadFunction, this, "EncoderThread"), | 44 encoder_thread_(EncoderThreadFunction, this, "EncoderThread"), |
| 46 capture_event_(EventWrapper::Create()), | 45 capture_event_(false, false), |
| 47 stop_(0), | 46 stop_(0), |
| 48 last_captured_timestamp_(0), | 47 last_captured_timestamp_(0), |
| 49 delta_ntp_internal_ms_( | 48 delta_ntp_internal_ms_( |
| 50 Clock::GetRealTimeClock()->CurrentNtpInMilliseconds() - | 49 Clock::GetRealTimeClock()->CurrentNtpInMilliseconds() - |
| 51 TickTime::MillisecondTimestamp()), | 50 TickTime::MillisecondTimestamp()), |
| 52 overuse_detector_(new OveruseFrameDetector(Clock::GetRealTimeClock(), | 51 overuse_detector_(new OveruseFrameDetector(Clock::GetRealTimeClock(), |
| 53 CpuOveruseOptions(), | 52 CpuOveruseOptions(), |
| 54 overuse_observer, | 53 overuse_observer, |
| 55 stats_proxy)), | 54 stats_proxy)), |
| 56 encoding_time_observer_(encoding_time_observer) { | 55 encoding_time_observer_(encoding_time_observer) { |
| 57 encoder_thread_.Start(); | 56 encoder_thread_.Start(); |
| 58 encoder_thread_.SetPriority(rtc::kHighPriority); | 57 encoder_thread_.SetPriority(rtc::kHighPriority); |
| 59 module_process_thread_->RegisterModule(overuse_detector_.get()); | 58 module_process_thread_->RegisterModule(overuse_detector_.get()); |
| 60 } | 59 } |
| 61 | 60 |
| 62 VideoCaptureInput::~VideoCaptureInput() { | 61 VideoCaptureInput::~VideoCaptureInput() { |
| 63 module_process_thread_->DeRegisterModule(overuse_detector_.get()); | 62 module_process_thread_->DeRegisterModule(overuse_detector_.get()); |
| 64 | 63 |
| 65 // Stop the thread. | 64 // Stop the thread. |
| 66 rtc::AtomicOps::ReleaseStore(&stop_, 1); | 65 rtc::AtomicOps::ReleaseStore(&stop_, 1); |
| 67 capture_event_->Set(); | 66 capture_event_.Set(); |
| 68 encoder_thread_.Stop(); | 67 encoder_thread_.Stop(); |
| 69 } | 68 } |
| 70 | 69 |
| 71 void VideoCaptureInput::IncomingCapturedFrame(const VideoFrame& video_frame) { | 70 void VideoCaptureInput::IncomingCapturedFrame(const VideoFrame& video_frame) { |
| 72 // TODO(pbos): Remove local rendering, it should be handled by the client code | 71 // TODO(pbos): Remove local rendering, it should be handled by the client code |
| 73 // if required. | 72 // if required. |
| 74 if (local_renderer_) | 73 if (local_renderer_) |
| 75 local_renderer_->RenderFrame(video_frame, 0); | 74 local_renderer_->RenderFrame(video_frame, 0); |
| 76 | 75 |
| 77 stats_proxy_->OnIncomingFrame(video_frame.width(), video_frame.height()); | 76 stats_proxy_->OnIncomingFrame(video_frame.width(), video_frame.height()); |
| (...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 109 captured_frame_.ShallowCopy(incoming_frame); | 108 captured_frame_.ShallowCopy(incoming_frame); |
| 110 last_captured_timestamp_ = incoming_frame.ntp_time_ms(); | 109 last_captured_timestamp_ = incoming_frame.ntp_time_ms(); |
| 111 | 110 |
| 112 overuse_detector_->FrameCaptured(captured_frame_.width(), | 111 overuse_detector_->FrameCaptured(captured_frame_.width(), |
| 113 captured_frame_.height(), | 112 captured_frame_.height(), |
| 114 captured_frame_.render_time_ms()); | 113 captured_frame_.render_time_ms()); |
| 115 | 114 |
| 116 TRACE_EVENT_ASYNC_BEGIN1("webrtc", "Video", video_frame.render_time_ms(), | 115 TRACE_EVENT_ASYNC_BEGIN1("webrtc", "Video", video_frame.render_time_ms(), |
| 117 "render_time", video_frame.render_time_ms()); | 116 "render_time", video_frame.render_time_ms()); |
| 118 | 117 |
| 119 capture_event_->Set(); | 118 capture_event_.Set(); |
| 120 } | 119 } |
| 121 | 120 |
| 122 bool VideoCaptureInput::EncoderThreadFunction(void* obj) { | 121 bool VideoCaptureInput::EncoderThreadFunction(void* obj) { |
| 123 return static_cast<VideoCaptureInput*>(obj)->EncoderProcess(); | 122 return static_cast<VideoCaptureInput*>(obj)->EncoderProcess(); |
| 124 } | 123 } |
| 125 | 124 |
| 126 bool VideoCaptureInput::EncoderProcess() { | 125 bool VideoCaptureInput::EncoderProcess() { |
| 127 static const int kThreadWaitTimeMs = 100; | 126 static const int kThreadWaitTimeMs = 100; |
| 128 int64_t capture_time = -1; | 127 int64_t capture_time = -1; |
| 129 if (capture_event_->Wait(kThreadWaitTimeMs) == kEventSignaled) { | 128 if (capture_event_.Wait(kThreadWaitTimeMs)) { |
| 130 if (rtc::AtomicOps::AcquireLoad(&stop_)) | 129 if (rtc::AtomicOps::AcquireLoad(&stop_)) |
| 131 return false; | 130 return false; |
| 132 | 131 |
| 133 int64_t encode_start_time = -1; | 132 int64_t encode_start_time = -1; |
| 134 VideoFrame deliver_frame; | 133 VideoFrame deliver_frame; |
| 135 { | 134 { |
| 136 CriticalSectionScoped cs(capture_cs_.get()); | 135 CriticalSectionScoped cs(capture_cs_.get()); |
| 137 if (!captured_frame_.IsZeroSize()) { | 136 if (!captured_frame_.IsZeroSize()) { |
| 138 deliver_frame = captured_frame_; | 137 deliver_frame = captured_frame_; |
| 139 captured_frame_.Reset(); | 138 captured_frame_.Reset(); |
| (...skipping 18 matching lines...) Expand all Loading... |
| 158 } | 157 } |
| 159 // We're done! | 158 // We're done! |
| 160 if (capture_time != -1) { | 159 if (capture_time != -1) { |
| 161 overuse_detector_->FrameSent(capture_time); | 160 overuse_detector_->FrameSent(capture_time); |
| 162 } | 161 } |
| 163 return true; | 162 return true; |
| 164 } | 163 } |
| 165 | 164 |
| 166 } // namespace internal | 165 } // namespace internal |
| 167 } // namespace webrtc | 166 } // namespace webrtc |
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