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Do not update stream synchronization if no new video packet has been received since last update (e.g. video muted).

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BUG=

Review-Url: https://codereview.webrtc.org/2334113004
Cr-Commit-Position: refs/heads/master@{#14271}
This commit is contained in:
asapersson
2016-09-17 01:00:01 -07:00
committed by Commit bot
parent e5835f5d84
commit b0c1b4e24d
1 changed files with 6 additions and 0 deletions
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6
webrtc/video/rtp_streams_synchronizer.cc
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@ -123,6 +123,7 @@ void RtpStreamsSynchronizer::Process() {
const int current_audio_delay_ms = audio_jitter_buffer_delay_ms +
playout_buffer_delay_ms;
int64_t last_video_receive_ms = video_measurement_.latest_receive_time_ms;
if (UpdateMeasurements(&video_measurement_, video_rtp_rtcp_,
video_rtp_receiver_) != 0) {
return;
@ -133,6 +134,11 @@ void RtpStreamsSynchronizer::Process() {
return;
}
if (last_video_receive_ms == video_measurement_.latest_receive_time_ms) {
// No new video packet has been received since last update.
return;
}
int relative_delay_ms;
// Calculate how much later or earlier the audio stream is compared to video.
if (!sync_->ComputeRelativeDelay(audio_measurement_, video_measurement_,