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Add legacy SVC test that all layers can be inactivated.

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A larger version of this test was previously landed but got reverted
due to failures only happening on the importer bot (not on the CQ or
locally).

This is a smaller version of the test that does something we should
support: being able to inactive all encodings of a VP9 legacy SVC
stream.

Let's land and see if any issues are reproducible (expecting revert).

Bug: webrtc:15033
Change-Id: I88da1facf4ef05299f3392b86a0e3df029ebe264
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/299006
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Evan Shrubsole <eshr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39684}
This commit is contained in:
Henrik Boström 2023-03-24 13:10:04 +01:00 committed by WebRTC LUCI CQ
parent 7bb9322e9e
commit cac9a55ddf
1 changed files with 37 additions and 0 deletions
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37
pc/peer_connection_simulcast_unittest.cc
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@ -1557,6 +1557,43 @@ TEST_F(PeerConnectionSimulcastWithMediaFlowTests,
EXPECT_FALSE(parameters.encodings[2].scalability_mode.has_value());
}
TEST_F(PeerConnectionSimulcastWithMediaFlowTests,
SendingThreeEncodings_VP9_LegacySVC_AllLayersInactive) {
rtc::scoped_refptr<PeerConnectionTestWrapper> local_pc_wrapper = CreatePc();
rtc::scoped_refptr<PeerConnectionTestWrapper> remote_pc_wrapper = CreatePc();
ExchangeIceCandidates(local_pc_wrapper, remote_pc_wrapper);
std::vector<SimulcastLayer> layers =
CreateLayers({"f", "h", "q"}, /*active=*/true);
rtc::scoped_refptr<RtpTransceiverInterface> transceiver =
AddTransceiverWithSimulcastLayers(local_pc_wrapper, remote_pc_wrapper,
layers);
std::vector<RtpCodecCapability> codecs =
GetCapabilitiesAndRestrictToCodec(local_pc_wrapper, "VP9");
transceiver->SetCodecPreferences(codecs);
// Legacy SVC mode and all layers inactive.
rtc::scoped_refptr<RtpSenderInterface> sender = transceiver->sender();
RtpParameters parameters = sender->GetParameters();
ASSERT_EQ(parameters.encodings.size(), 3u);
parameters.encodings[0].active = false;
parameters.encodings[1].active = false;
parameters.encodings[2].active = false;
sender->SetParameters(parameters);
NegotiateWithSimulcastTweaks(local_pc_wrapper, remote_pc_wrapper, layers);
local_pc_wrapper->WaitForConnection();
remote_pc_wrapper->WaitForConnection();
// Ensure no media is flowing (1 second should be enough).
rtc::Thread::Current()->SleepMs(1000);
rtc::scoped_refptr<const RTCStatsReport> report = GetStats(local_pc_wrapper);
std::vector<const RTCOutboundRtpStreamStats*> outbound_rtps =
report->GetStatsOfType<RTCOutboundRtpStreamStats>();
ASSERT_THAT(outbound_rtps, SizeIs(1u));
EXPECT_EQ(*outbound_rtps[0]->bytes_sent, 0u);
}
TEST_F(PeerConnectionSimulcastWithMediaFlowTests,
SendingThreeEncodings_VP9_StandardL1T3_AllLayersInactive) {
rtc::scoped_refptr<PeerConnectionTestWrapper> local_pc_wrapper = CreatePc();