| <!doctype html> |
| <meta charset=utf-8> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../RTCPeerConnection-helper.js"></script> |
| <script> |
| 'use strict'; |
| |
| async function pollGetStatsUntil(t, pc, condition, pollingMs = 100) { |
| while (true) { |
| const report = await pc.getStats(); |
| for (const stats of report.values()) { |
| if (condition(report, stats) == true) { |
| // Condition satisfied, stop polling. |
| return; |
| } |
| } |
| await new Promise(r => t.step_timeout(r, pollingMs)); |
| } |
| } |
| |
| function isRtpWithCodec(report, stats, mimeType) { |
| if (stats.type != 'outbound-rtp' && stats.type != 'inbound-rtp') { |
| return false; // Not an RTP stats object. |
| } |
| const codec = report.get(stats.codecId); |
| return codec && codec.mimeType == mimeType; |
| } |
| |
| promise_test(async t => { |
| const sendCodec = RTCRtpSender.getCapabilities('video').codecs.find( |
| codec => codec.mimeType == 'video/H265'); |
| const recvCodec = RTCRtpReceiver.getCapabilities('video').codecs.find( |
| codec => codec.mimeType == 'video/H265'); |
| assert_implements_optional( |
| sendCodec != undefined && recvCodec != undefined, |
| 'H265 not available for sending or receiving. Loopback requires both.'); |
| |
| const pc1 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc1.close()); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc2.close()); |
| pc1.onicecandidate = (e) => pc2.addIceCandidate(e.candidate); |
| pc2.onicecandidate = (e) => pc1.addIceCandidate(e.candidate); |
| |
| const stream = await getNoiseStream({video:{width:640, height:360}}); |
| const [track] = stream.getVideoTracks(); |
| t.add_cleanup(() => track.stop()); |
| |
| // Negotiate H265. |
| const transceiver = pc1.addTransceiver(track); |
| transceiver.setCodecPreferences([sendCodec]); |
| await pc1.setLocalDescription(); |
| await pc2.setRemoteDescription(pc1.localDescription); |
| await pc2.setLocalDescription(); |
| await pc1.setRemoteDescription(pc2.localDescription); |
| |
| // Wait for H265 frames to be encoded and sent. |
| await pollGetStatsUntil(t, pc1, (report, stats) => { |
| if (!isRtpWithCodec(report, stats, 'video/H265')) { |
| return false; |
| } |
| assert_equals(stats.type, 'outbound-rtp'); |
| return stats.framesEncoded > 0 && stats.framesSent > 0; |
| }); |
| // Wait for H265 frames to be received and decoded. |
| await pollGetStatsUntil(t, pc2, (report, stats) => { |
| if (!isRtpWithCodec(report, stats, 'video/H265')) { |
| return false; |
| } |
| assert_equals(stats.type, 'inbound-rtp'); |
| return stats.framesReceived > 0 && stats.framesDecoded > 0; |
| }); |
| }, `Negotiate H265 loopback and verify frames are flowing`); |
| </script> |
