rhubarb-lip-sync/rhubarb/lib/webrtc-8d2248ff/webrtc/video/vie_sync_module.h

72 lines
2.1 KiB
C++

/*
* 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.
*/
// ViESyncModule is responsible for synchronization audio and video for a given
// VoE and ViE channel couple.
#ifndef WEBRTC_VIDEO_VIE_SYNC_MODULE_H_
#define WEBRTC_VIDEO_VIE_SYNC_MODULE_H_
#include <memory>
#include "webrtc/base/criticalsection.h"
#include "webrtc/modules/include/module.h"
#include "webrtc/video/stream_synchronization.h"
#include "webrtc/voice_engine/include/voe_video_sync.h"
namespace webrtc {
class Clock;
class RtpRtcp;
class VideoFrame;
class ViEChannel;
class VoEVideoSync;
namespace vcm {
class VideoReceiver;
} // namespace vcm
class ViESyncModule : public Module {
public:
explicit ViESyncModule(vcm::VideoReceiver* vcm);
~ViESyncModule();
void ConfigureSync(int voe_channel_id,
VoEVideoSync* voe_sync_interface,
RtpRtcp* video_rtcp_module,
RtpReceiver* rtp_receiver);
// Implements Module.
int64_t TimeUntilNextProcess() override;
void Process() override;
// Gets the sync offset between the current played out audio frame and the
// video |frame|. Returns true on success, false otherwise.
bool GetStreamSyncOffsetInMs(const VideoFrame& frame,
int64_t* stream_offset_ms) const;
private:
rtc::CriticalSection data_cs_;
vcm::VideoReceiver* const video_receiver_;
Clock* const clock_;
RtpReceiver* rtp_receiver_;
RtpRtcp* video_rtp_rtcp_;
int voe_channel_id_;
VoEVideoSync* voe_sync_interface_;
int64_t last_sync_time_;
std::unique_ptr<StreamSynchronization> sync_;
StreamSynchronization::Measurements audio_measurement_;
StreamSynchronization::Measurements video_measurement_;
};
} // namespace webrtc
#endif // WEBRTC_VIDEO_VIE_SYNC_MODULE_H_