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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
#define WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
#include <vector>
#include "webrtc/base/criticalsection.h"
#include "webrtc/base/event.h"
#include "webrtc/base/platform_thread.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/base/thread_annotations.h"
#include "webrtc/common_types.h"
#include "webrtc/engine_configurations.h"
#include "webrtc/modules/video_capture/video_capture.h"
#include "webrtc/modules/video_coding/include/video_codec_interface.h"
#include "webrtc/modules/video_coding/include/video_coding.h"
#include "webrtc/modules/video_processing/include/video_processing.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
#include "webrtc/typedefs.h"
#include "webrtc/video_send_stream.h"
namespace webrtc {
class Config;
class CpuOveruseMetricsObserver;
class CpuOveruseObserver;
class CriticalSectionWrapper;
class OveruseFrameDetector;
class ProcessThread;
class RegistrableCpuOveruseMetricsObserver;
class SendStatisticsProxy;
class VideoRenderer;
class VideoCaptureCallback {
public:
virtual ~VideoCaptureCallback() {}
virtual void DeliverFrame(VideoFrame video_frame) = 0;
};
namespace internal {
class VideoCaptureInput : public webrtc::VideoCaptureInput {
public:
VideoCaptureInput(ProcessThread* module_process_thread,
VideoCaptureCallback* frame_callback,
VideoRenderer* local_renderer,
SendStatisticsProxy* send_stats_proxy,
CpuOveruseObserver* overuse_observer,
EncodingTimeObserver* encoding_time_observer);
~VideoCaptureInput();
void IncomingCapturedFrame(const VideoFrame& video_frame) override;
private:
// Thread functions for deliver captured frames to receivers.
static bool EncoderThreadFunction(void* obj);
bool EncoderProcess();
rtc::scoped_ptr<CriticalSectionWrapper> capture_cs_;
ProcessThread* const module_process_thread_;
VideoCaptureCallback* const frame_callback_;
VideoRenderer* const local_renderer_;
SendStatisticsProxy* const stats_proxy_;
// Frame used in IncomingFrameI420.
rtc::scoped_ptr<CriticalSectionWrapper> incoming_frame_cs_;
VideoFrame incoming_frame_;
rtc::PlatformThread encoder_thread_;
rtc::Event capture_event_;
volatile int stop_;
VideoFrame captured_frame_ GUARDED_BY(capture_cs_.get());
// Used to make sure incoming time stamp is increasing for every frame.
int64_t last_captured_timestamp_;
// Delta used for translating between NTP and internal timestamps.
const int64_t delta_ntp_internal_ms_;
rtc::scoped_ptr<OveruseFrameDetector> overuse_detector_;
EncodingTimeObserver* const encoding_time_observer_;
};
} // namespace internal
} // namespace webrtc
#endif // WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
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