5811a39f14
Makes use of rtc::Event which is simpler and can be used without allocating additional objects on the heap. Does not modify test/channel_transport/. BUG= R=mflodman@webrtc.org Review URL: https://codereview.webrtc.org/1487893004 . Cr-Commit-Position: refs/heads/master@{#10968}
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
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#define WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
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#include <vector>
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#include "webrtc/base/criticalsection.h"
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#include "webrtc/base/event.h"
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#include "webrtc/base/platform_thread.h"
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/base/thread_annotations.h"
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#include "webrtc/common_types.h"
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#include "webrtc/engine_configurations.h"
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#include "webrtc/modules/video_capture/video_capture.h"
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#include "webrtc/modules/video_coding/include/video_codec_interface.h"
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#include "webrtc/modules/video_coding/include/video_coding.h"
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#include "webrtc/modules/video_processing/include/video_processing.h"
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#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
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#include "webrtc/typedefs.h"
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#include "webrtc/video_send_stream.h"
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namespace webrtc {
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class Config;
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class CpuOveruseMetricsObserver;
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class CpuOveruseObserver;
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class CriticalSectionWrapper;
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class OveruseFrameDetector;
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class ProcessThread;
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class RegistrableCpuOveruseMetricsObserver;
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class SendStatisticsProxy;
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class VideoRenderer;
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class VideoCaptureCallback {
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public:
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virtual ~VideoCaptureCallback() {}
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virtual void DeliverFrame(VideoFrame video_frame) = 0;
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};
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namespace internal {
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class VideoCaptureInput : public webrtc::VideoCaptureInput {
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public:
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VideoCaptureInput(ProcessThread* module_process_thread,
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VideoCaptureCallback* frame_callback,
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VideoRenderer* local_renderer,
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SendStatisticsProxy* send_stats_proxy,
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CpuOveruseObserver* overuse_observer,
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EncodingTimeObserver* encoding_time_observer);
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~VideoCaptureInput();
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void IncomingCapturedFrame(const VideoFrame& video_frame) override;
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private:
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// Thread functions for deliver captured frames to receivers.
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static bool EncoderThreadFunction(void* obj);
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bool EncoderProcess();
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void DeliverI420Frame(VideoFrame* video_frame);
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rtc::scoped_ptr<CriticalSectionWrapper> capture_cs_;
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ProcessThread* const module_process_thread_;
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VideoCaptureCallback* const frame_callback_;
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VideoRenderer* const local_renderer_;
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SendStatisticsProxy* const stats_proxy_;
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// Frame used in IncomingFrameI420.
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rtc::scoped_ptr<CriticalSectionWrapper> incoming_frame_cs_;
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VideoFrame incoming_frame_;
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rtc::PlatformThread encoder_thread_;
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rtc::Event capture_event_;
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volatile int stop_;
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VideoFrame captured_frame_ GUARDED_BY(capture_cs_.get());
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// Used to make sure incoming time stamp is increasing for every frame.
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int64_t last_captured_timestamp_;
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// Delta used for translating between NTP and internal timestamps.
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const int64_t delta_ntp_internal_ms_;
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rtc::scoped_ptr<OveruseFrameDetector> overuse_detector_;
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EncodingTimeObserver* const encoding_time_observer_;
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};
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} // namespace internal
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
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