| <!doctype html> |
| <meta charset=utf-8> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="third_party/sdp/sdp.js"></script> |
| <script src="simulcast/simulcast.js"></script> |
| <script> |
| 'use strict'; |
| |
| async function pollUntilMultipleOutboundRtps(pc, kTimeoutMs = 10000) { |
| const t0 = performance.now(); |
| while (performance.now() - t0 < kTimeoutMs) { |
| const report = await pc.getStats(); |
| const outboundRtps = Array.from( |
| report.values().filter(s => s.type == 'outbound-rtp')); |
| if (outboundRtps.length > 1) { |
| return; |
| } |
| } |
| throw 'Timed out waiting for multple outbound-rtp stats objects'; |
| } |
| |
| promise_test(async t => { |
| const pc1 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc1.close()); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc2.close()); |
| pc1.addTransceiver('video'); |
| |
| // O/A is needed to ensure outbound-rtp exists. |
| await pc1.setLocalDescription(); |
| await pc2.setRemoteDescription(pc1.localDescription); |
| await pc2.setLocalDescription(); |
| await pc1.setRemoteDescription(pc2.localDescription); |
| |
| const report = await pc1.getStats(); |
| const outboundRtp = report.values().find(s => s.type == 'outbound-rtp'); |
| assert_not_equals(outboundRtp, undefined, 'outbound-rtp exists'); |
| |
| assert_equals(outboundRtp.encodingIndex, 0, 'encodingIndex is 0'); |
| }, `In singlecast, encodingIndex is 0`); |
| |
| promise_test(async t => { |
| const pc1 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc1.close()); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc2.close()); |
| |
| pc1.addTransceiver('video', {sendEncodings: [{rid: 'foo'}, {rid: 'bar'}]}); |
| // O/A with tweaks to accept simulcast. |
| await doOfferToSendSimulcastAndAnswer(pc1, pc2, ['foo', 'bar']); |
| |
| // Workaround to RTP stats lifetime bug: In some browsers it takes a little |
| // while before multiple outbound RTP stats objects appear in the report. |
| // TODO(https://crbug.com/406585888): Test coverage for this should be added |
| // to rtp-stats-lifetime.https.html. When that test passes, delete this |
| // workaround. |
| await pollUntilMultipleOutboundRtps(pc1); |
| |
| const report = await pc1.getStats(); |
| // The RTP stream for sendEncodings[0]. |
| const outboundRtpFoo = report.values().find( |
| s => s.type == 'outbound-rtp' && s.rid == 'foo'); |
| assert_not_equals(outboundRtpFoo, undefined, |
| `outbound-rtp with rid:'foo' exists`); |
| assert_equals(outboundRtpFoo.encodingIndex, 0, |
| `outbound-rtp with rid:'foo' has encodingIndex 0`); |
| // The RTP stream for sendEncodings[1]. |
| const outboundRtpBar = report.values().find( |
| s => s.type == 'outbound-rtp' && s.rid == 'bar'); |
| assert_not_equals(outboundRtpBar, undefined, |
| `outbound-rtp with rid:'bar' exists`); |
| assert_equals(outboundRtpBar.encodingIndex, 1, |
| `outbound-rtp with rid:'bar' has encodingIndex 1`); |
| }, `In simulcast, encodingIndex reflects index of sendEncodings`); |
| |
| promise_test(async t => { |
| const pc1 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc1.close()); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc2.close()); |
| |
| pc1.addTransceiver('audio'); |
| // O/A is needed to ensure outbound-rtp exists. |
| await pc1.setLocalDescription(); |
| await pc2.setRemoteDescription(pc1.localDescription); |
| await pc2.setLocalDescription(); |
| await pc1.setRemoteDescription(pc2.localDescription); |
| |
| const report = await pc1.getStats(); |
| const outboundRtp = report.values().find(s => s.type == 'outbound-rtp'); |
| assert_not_equals(outboundRtp, undefined, 'outbound-rtp exists'); |
| |
| assert_equals(outboundRtp.encodingIndex, undefined, |
| 'encodingIndex is undefined'); |
| }, `encodingIndex is undefined for audio streams`); |
| </script> |
