From: Nico Grunbaum Date: Mon, 26 Jul 2021 22:51:00 -0700 Subject: Bug 1654112 - fix timestamp issues with RTP sources; r=mjf Differential Revision: https://phabricator.services.mozilla.com/D120930 Mercurial Revision: https://hg.mozilla.org/mozilla-central/rev/de8c14e4972f717bf937b6f2fffcd08c35e21ced --- modules/rtp_rtcp/source/source_tracker.cc | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/modules/rtp_rtcp/source/source_tracker.cc b/modules/rtp_rtcp/source/source_tracker.cc index 51e8f1cd38..b54f6cacf8 100644 --- a/modules/rtp_rtcp/source/source_tracker.cc +++ b/modules/rtp_rtcp/source/source_tracker.cc @@ -47,7 +47,8 @@ void SourceTracker::OnFrameDeliveredInternal( SourceKey key(RtpSourceType::CSRC, csrc); SourceEntry& entry = UpdateEntry(key); - entry.timestamp = now; + const auto packet_time = packet_info.receive_time(); + entry.timestamp = packet_time.ms() ? packet_time : now; entry.audio_level = packet_info.audio_level(); entry.absolute_capture_time = packet_info.absolute_capture_time(); entry.local_capture_clock_offset = @@ -86,6 +87,10 @@ std::vector SourceTracker::GetSources() const { .local_capture_clock_offset = entry.local_capture_clock_offset}); } + std::sort(sources.begin(), sources.end(), [](const auto &a, const auto &b){ + return a.timestamp().ms() > b.timestamp().ms(); + }); + return sources; }