85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
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/*
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* Copyright (c) 2011 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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/*
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* vie_sync_module.h
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* Responsible for doing Audio/Video sync
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*/
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#ifndef WEBRTC_VIDEO_ENGINE_MAIN_SOURCE_VIE_SYNC_MODULE_H_
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#define WEBRTC_VIDEO_ENGINE_MAIN_SOURCE_VIE_SYNC_MODULE_H_
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#include "module.h"
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#include "tick_util.h"
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namespace webrtc
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{
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class CriticalSectionWrapper;
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class RtpRtcp;
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class VideoCodingModule;
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class VoEVideoSync;
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class ViESyncModule : public Module
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{
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public:
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enum { kSyncInterval = 1000};
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enum { kMaxVideoDiffMS = 80 }; // Video sync
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enum { kMaxAudioDiffMS = 80 }; // Video sync
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enum { kMaxDelay = 1500 }; // Video sync
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ViESyncModule(int id, VideoCodingModule& vcm,
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RtpRtcp& rtcpModule);
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~ViESyncModule();
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int SetVoiceChannel(int voiceChannelId, VoEVideoSync* voiceSyncInterface);
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int VoiceChannel();
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void SetNetworkDelay(int networkDelay);
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// Implements Module
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virtual WebRtc_Word32 Version(WebRtc_Word8* version,
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WebRtc_UWord32& remainingBufferInBytes,
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WebRtc_UWord32& position) const;
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virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
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virtual WebRtc_Word32 TimeUntilNextProcess();
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virtual WebRtc_Word32 Process();
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private:
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// Critical sections
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CriticalSectionWrapper& _dataCritsect;
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int _id;
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VideoCodingModule& _vcm;
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RtpRtcp& _rtcpModule;
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int _voiceChannelId;
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VoEVideoSync* _voiceSyncInterface;
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TickTime _lastSyncTime;
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struct ViESyncDelay
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{
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ViESyncDelay()
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{
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extraVideoDelayMS = 0;
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lastVideoDelayMS = 0;
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extraAudioDelayMS = 0;
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lastSyncDelay = 0;
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networkDelay = 120;
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}
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int extraVideoDelayMS;
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int lastVideoDelayMS;
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int extraAudioDelayMS; //audioDelayMS;
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int lastSyncDelay;
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int networkDelay;
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};
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ViESyncDelay _channelDelay;
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};
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_ENGINE_MAIN_SOURCE_VIE_SYNC_MODULE_H_
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