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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" | 23 #include "webrtc/system_wrappers/include/event_wrapper.h" |
mflodman
2015/12/10 08:11:34
Remove
pbos-webrtc
2015/12/10 11:44:55
Done.
| |
24 #include "webrtc/system_wrappers/include/tick_util.h" | 24 #include "webrtc/system_wrappers/include/tick_util.h" |
25 #include "webrtc/video/send_statistics_proxy.h" | 25 #include "webrtc/video/send_statistics_proxy.h" |
26 #include "webrtc/video_engine/overuse_frame_detector.h" | 26 #include "webrtc/video_engine/overuse_frame_detector.h" |
27 #include "webrtc/video_engine/vie_encoder.h" | 27 #include "webrtc/video_engine/vie_encoder.h" |
28 | 28 |
29 namespace webrtc { | 29 namespace webrtc { |
30 | 30 |
31 namespace internal { | 31 namespace internal { |
32 VideoCaptureInput::VideoCaptureInput( | 32 VideoCaptureInput::VideoCaptureInput( |
33 ProcessThread* module_process_thread, | 33 ProcessThread* module_process_thread, |
34 VideoCaptureCallback* frame_callback, | 34 VideoCaptureCallback* frame_callback, |
35 VideoRenderer* local_renderer, | 35 VideoRenderer* local_renderer, |
36 SendStatisticsProxy* stats_proxy, | 36 SendStatisticsProxy* stats_proxy, |
37 CpuOveruseObserver* overuse_observer, | 37 CpuOveruseObserver* overuse_observer, |
38 EncodingTimeObserver* encoding_time_observer) | 38 EncodingTimeObserver* encoding_time_observer) |
39 : capture_cs_(CriticalSectionWrapper::CreateCriticalSection()), | 39 : capture_cs_(CriticalSectionWrapper::CreateCriticalSection()), |
40 module_process_thread_(module_process_thread), | 40 module_process_thread_(module_process_thread), |
41 frame_callback_(frame_callback), | 41 frame_callback_(frame_callback), |
42 local_renderer_(local_renderer), | 42 local_renderer_(local_renderer), |
43 stats_proxy_(stats_proxy), | 43 stats_proxy_(stats_proxy), |
44 incoming_frame_cs_(CriticalSectionWrapper::CreateCriticalSection()), | 44 incoming_frame_cs_(CriticalSectionWrapper::CreateCriticalSection()), |
45 encoder_thread_(EncoderThreadFunction, this, "EncoderThread"), | 45 encoder_thread_(EncoderThreadFunction, this, "EncoderThread"), |
46 capture_event_(EventWrapper::Create()), | 46 capture_event_(false, false), |
47 stop_(0), | 47 stop_(0), |
48 last_captured_timestamp_(0), | 48 last_captured_timestamp_(0), |
49 delta_ntp_internal_ms_( | 49 delta_ntp_internal_ms_( |
50 Clock::GetRealTimeClock()->CurrentNtpInMilliseconds() - | 50 Clock::GetRealTimeClock()->CurrentNtpInMilliseconds() - |
51 TickTime::MillisecondTimestamp()), | 51 TickTime::MillisecondTimestamp()), |
52 overuse_detector_(new OveruseFrameDetector(Clock::GetRealTimeClock(), | 52 overuse_detector_(new OveruseFrameDetector(Clock::GetRealTimeClock(), |
53 CpuOveruseOptions(), | 53 CpuOveruseOptions(), |
54 overuse_observer, | 54 overuse_observer, |
55 stats_proxy)), | 55 stats_proxy)), |
56 encoding_time_observer_(encoding_time_observer) { | 56 encoding_time_observer_(encoding_time_observer) { |
57 encoder_thread_.Start(); | 57 encoder_thread_.Start(); |
58 encoder_thread_.SetPriority(rtc::kHighPriority); | 58 encoder_thread_.SetPriority(rtc::kHighPriority); |
59 module_process_thread_->RegisterModule(overuse_detector_.get()); | 59 module_process_thread_->RegisterModule(overuse_detector_.get()); |
60 } | 60 } |
61 | 61 |
62 VideoCaptureInput::~VideoCaptureInput() { | 62 VideoCaptureInput::~VideoCaptureInput() { |
63 module_process_thread_->DeRegisterModule(overuse_detector_.get()); | 63 module_process_thread_->DeRegisterModule(overuse_detector_.get()); |
64 | 64 |
65 // Stop the thread. | 65 // Stop the thread. |
66 rtc::AtomicOps::ReleaseStore(&stop_, 1); | 66 rtc::AtomicOps::ReleaseStore(&stop_, 1); |
67 capture_event_->Set(); | 67 capture_event_.Set(); |
68 encoder_thread_.Stop(); | 68 encoder_thread_.Stop(); |
69 } | 69 } |
70 | 70 |
71 void VideoCaptureInput::IncomingCapturedFrame(const VideoFrame& video_frame) { | 71 void VideoCaptureInput::IncomingCapturedFrame(const VideoFrame& video_frame) { |
72 // TODO(pbos): Remove local rendering, it should be handled by the client code | 72 // TODO(pbos): Remove local rendering, it should be handled by the client code |
73 // if required. | 73 // if required. |
74 if (local_renderer_) | 74 if (local_renderer_) |
75 local_renderer_->RenderFrame(video_frame, 0); | 75 local_renderer_->RenderFrame(video_frame, 0); |
76 | 76 |
77 stats_proxy_->OnIncomingFrame(video_frame.width(), video_frame.height()); | 77 stats_proxy_->OnIncomingFrame(video_frame.width(), video_frame.height()); |
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109 captured_frame_.ShallowCopy(incoming_frame); | 109 captured_frame_.ShallowCopy(incoming_frame); |
110 last_captured_timestamp_ = incoming_frame.ntp_time_ms(); | 110 last_captured_timestamp_ = incoming_frame.ntp_time_ms(); |
111 | 111 |
112 overuse_detector_->FrameCaptured(captured_frame_.width(), | 112 overuse_detector_->FrameCaptured(captured_frame_.width(), |
113 captured_frame_.height(), | 113 captured_frame_.height(), |
114 captured_frame_.render_time_ms()); | 114 captured_frame_.render_time_ms()); |
115 | 115 |
116 TRACE_EVENT_ASYNC_BEGIN1("webrtc", "Video", video_frame.render_time_ms(), | 116 TRACE_EVENT_ASYNC_BEGIN1("webrtc", "Video", video_frame.render_time_ms(), |
117 "render_time", video_frame.render_time_ms()); | 117 "render_time", video_frame.render_time_ms()); |
118 | 118 |
119 capture_event_->Set(); | 119 capture_event_.Set(); |
120 } | 120 } |
121 | 121 |
122 bool VideoCaptureInput::EncoderThreadFunction(void* obj) { | 122 bool VideoCaptureInput::EncoderThreadFunction(void* obj) { |
123 return static_cast<VideoCaptureInput*>(obj)->EncoderProcess(); | 123 return static_cast<VideoCaptureInput*>(obj)->EncoderProcess(); |
124 } | 124 } |
125 | 125 |
126 bool VideoCaptureInput::EncoderProcess() { | 126 bool VideoCaptureInput::EncoderProcess() { |
127 static const int kThreadWaitTimeMs = 100; | 127 static const int kThreadWaitTimeMs = 100; |
128 int64_t capture_time = -1; | 128 int64_t capture_time = -1; |
129 if (capture_event_->Wait(kThreadWaitTimeMs) == kEventSignaled) { | 129 if (capture_event_.Wait(kThreadWaitTimeMs)) { |
130 if (rtc::AtomicOps::AcquireLoad(&stop_)) | 130 if (rtc::AtomicOps::AcquireLoad(&stop_)) |
131 return false; | 131 return false; |
132 | 132 |
133 int64_t encode_start_time = -1; | 133 int64_t encode_start_time = -1; |
134 VideoFrame deliver_frame; | 134 VideoFrame deliver_frame; |
135 { | 135 { |
136 CriticalSectionScoped cs(capture_cs_.get()); | 136 CriticalSectionScoped cs(capture_cs_.get()); |
137 if (!captured_frame_.IsZeroSize()) { | 137 if (!captured_frame_.IsZeroSize()) { |
138 deliver_frame = captured_frame_; | 138 deliver_frame = captured_frame_; |
139 captured_frame_.Reset(); | 139 captured_frame_.Reset(); |
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158 } | 158 } |
159 // We're done! | 159 // We're done! |
160 if (capture_time != -1) { | 160 if (capture_time != -1) { |
161 overuse_detector_->FrameSent(capture_time); | 161 overuse_detector_->FrameSent(capture_time); |
162 } | 162 } |
163 return true; | 163 return true; |
164 } | 164 } |
165 | 165 |
166 } // namespace internal | 166 } // namespace internal |
167 } // namespace webrtc | 167 } // namespace webrtc |
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