blob: 01373a9f87af9c88503225305af88a812839560d [file] [log] [blame]
* Copyright (c) 2011 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.
#include "module.h"
#include "system_wrappers/interface/scoped_ptr.h"
#include "tick_util.h"
namespace webrtc {
class CriticalSectionWrapper;
class RtpRtcp;
class VideoCodingModule;
class VoEVideoSync;
class ViESyncModule : public Module {
ViESyncModule(int id, VideoCodingModule& vcm, RtpRtcp& rtcp_module);
int SetVoiceChannel(int voe_channel_id, VoEVideoSync* voe_sync_interface);
int VoiceChannel();
// Set how long time, in ms, voice is ahead of video when received on the
// network. Positive value means audio is ahead of video.
void SetNetworkDelay(int network_delay);
// Implements Module.
virtual WebRtc_Word32 Version(WebRtc_Word8* version,
WebRtc_UWord32& remaining_buffer_in_bytes,
WebRtc_UWord32& position) const;
virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
virtual WebRtc_Word32 TimeUntilNextProcess();
virtual WebRtc_Word32 Process();
scoped_ptr<CriticalSectionWrapper> data_cs_;
int id_;
VideoCodingModule& vcm_;
RtpRtcp& rtcp_module_;
int voe_channel_id_;
VoEVideoSync* voe_sync_interface_;
TickTime last_sync_time_;
struct ViESyncDelay {
ViESyncDelay() {
extra_video_delay_ms = 0;
last_video_delay_ms = 0;
extra_audio_delay_ms = 0;
last_sync_delay = 0;
network_delay = 120;
int extra_video_delay_ms;
int last_video_delay_ms;
int extra_audio_delay_ms;
int last_sync_delay;
int network_delay;
ViESyncDelay channel_delay_;
} // namespace webrtc