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rtp sender: don't send BYE on deactivating streams

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as this breaks RTCP assumptions about SSRCs being no longer
active as defined in
  https://www.rfc-editor.org/rfc/rfc3550#section-6.6

This should not be sent in reaction to temporarily disabling
a stream via RTCRtpParameters.active as this does not mean that
the participant is leaving the session as defined in
  https://www.rfc-editor.org/rfc/rfc3550#section-6.3.7
and does not indicate end of participation as defined in
  https://www.rfc-editor.org/rfc/rfc3550#section-6.1
which stipulates BYE should be the last packet sent from this SSRC.

BUG=webrtc:11082

Change-Id: Ia5144857f85303643146b0759184f0f3f50b66e4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/273348
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#38059}
This commit is contained in:
Philipp Hancke
2022-08-30 19:53:47 +02:00
committed by WebRTC LUCI CQ
parent 09472fd8d9
commit a22c2a0c58
5 changed files with 5 additions and 23 deletions
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5
modules/rtp_rtcp/source/rtcp_sender_unittest.cc
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@ -329,13 +329,12 @@ TEST_F(RtcpSenderTest, SendBye) {
EXPECT_EQ(kSenderSsrc, parser()->bye()->sender_ssrc());
}
TEST_F(RtcpSenderTest, StopSendingTriggersBye) {
TEST_F(RtcpSenderTest, StopSendingDoesNotTriggersBye) {
auto rtcp_sender = CreateRtcpSender(GetDefaultConfig());
rtcp_sender->SetRTCPStatus(RtcpMode::kReducedSize);
rtcp_sender->SetSendingStatus(feedback_state(), true);
rtcp_sender->SetSendingStatus(feedback_state(), false);
EXPECT_EQ(1, parser()->bye()->num_packets());
EXPECT_EQ(kSenderSsrc, parser()->bye()->sender_ssrc());
EXPECT_EQ(0, parser()->bye()->num_packets());
}
TEST_F(RtcpSenderTest, SendFir) {