87 lines
No EOL
3.3 KiB
HTML
87 lines
No EOL
3.3 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>payload type handling (assuming rtcp-mux)</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../third_party/sdp/sdp.js"></script>
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<script>
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc2.close());
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const negotiate = async () => {
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await pc1.setLocalDescription();
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await pc2.setRemoteDescription(pc1.localDescription);
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await pc2.setLocalDescription();
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await pc1.setRemoteDescription(pc2.localDescription);
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};
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// Add audio, negotiate, stop the transceiver, negotiate again,
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// add another audio transceiver and negotiate. This should re-use the m-line.
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pc1.addTransceiver('audio');
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await negotiate();
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pc1.getTransceivers()[0].stop();
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await negotiate();
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pc1.addTransceiver('audio');
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await negotiate();
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let numberOfMediaSections = SDPUtils.splitSections(pc1.localDescription.sdp).length - 1;
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assert_equals(numberOfMediaSections, 1, 'Audio m-line gets reused for audio transceiver');
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// Stop the audio transceiver, negotiate, add a video transceiver, negotiate.
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// This should reuse the m-line.
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pc1.getTransceivers()[0].stop();
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await negotiate();
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pc1.addTransceiver('video');
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await negotiate();
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numberOfMediaSections = SDPUtils.splitSections(pc1.localDescription.sdp).length - 1;
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assert_equals(numberOfMediaSections, 1, 'Audio m-line gets reused for video transceiver');
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// Add another video transceiver after stopping the current one.
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// This should re-use the m-line.
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pc1.getTransceivers()[0].stop();
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await negotiate();
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pc1.addTransceiver('video');
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await negotiate();
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numberOfMediaSections = SDPUtils.splitSections(pc1.localDescription.sdp).length - 1;
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assert_equals(numberOfMediaSections, 1, 'Video m-line gets reused for video transceiver');
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}, 'Reuses m-lines in local negotiation');
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promise_test(async t => {
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// SDP with a rejected video m-line.
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const sdp = `v=0
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o=- 0 3 IN IP4 127.0.0.1
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s=-
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t=0 0
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a=fingerprint:sha-256 A7:24:72:CA:6E:02:55:39:BA:66:DF:6E:CC:4C:D8:B0:1A:BF:1A:56:65:7D:F4:03:AD:7E:77:43:2A:29:EC:93
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m=video 0 UDP/TLS/RTP/SAVPF 100
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c=IN IP4 0.0.0.0
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a=rtcp-mux
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a=sendonly
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a=mid:video
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a=rtpmap:100 VP8/90000
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a=setup:actpass
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a=ice-ufrag:ETEn
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a=ice-pwd:OtSK0WpNtpUjkY4+86js7Z/l
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`;
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const pc1 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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await pc1.setRemoteDescription({type: 'offer', sdp});
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await pc1.setLocalDescription();
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assert_equals(pc1.getTransceivers().length, 0);
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pc1.addTransceiver('audio');
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let offer = await pc1.createOffer();
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let numberOfMediaSections = SDPUtils.splitSections(offer.sdp).length - 1;
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assert_equals(numberOfMediaSections, 1, 'Remote video m-line gets reused for audio transceiver');
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc2.close());
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await pc2.setRemoteDescription({type: 'offer', sdp});
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await pc2.setLocalDescription();
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assert_equals(pc2.getTransceivers().length, 0);
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pc1.addTransceiver('video');
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offer = await pc2.createOffer();
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numberOfMediaSections = SDPUtils.splitSections(offer.sdp).length - 1;
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assert_equals(numberOfMediaSections, 1, 'Remote video m-line gets reused for video transceiver');
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}, 'Reuses m-lines in remote negotiation');
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</script> |