133 lines
4.9 KiB
HTML
133 lines
4.9 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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'use strict';
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// Tests behaviour from https://www.rfc-editor.org/rfc/rfc8834.html#name-header-extensions
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function createOfferSdp(extmaps) {
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let 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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a=ice-ufrag:6HHHdzzeIhkE0CKj
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a=ice-pwd:XYDGVpfvklQIEnZ6YnyLsAew
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`;
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sdp += 'a=group:BUNDLE ' + ['audio', 'video'].filter(kind => extmaps[kind]).join(' ') + '\r\n';
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if (extmaps.audio) {
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sdp += `m=audio 9 RTP/SAVPF 111
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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:audio
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a=rtpmap:111 opus/48000/2
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a=setup:actpass
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` + extmaps.audio.map(ext => SDPUtils.writeExtmap(ext)).join('');
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}
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if (extmaps.video) {
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sdp += `m=video 9 RTP/SAVPF 112
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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:112 VP8/90000
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a=setup:actpass
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` + extmaps.video.map(ext => SDPUtils.writeExtmap(ext)).join('');
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}
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return sdp;
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}
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[
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// https://www.rfc-editor.org/rfc/rfc8834.html#section-5.2.4
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{
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audio: [{id: 1, uri: 'urn:ietf:params:rtp-hdrext:sdes:mid'}],
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video: [{id: 1, uri: 'urn:ietf:params:rtp-hdrext:sdes:mid'}],
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description: 'MID',
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},
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{
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// https://www.rfc-editor.org/rfc/rfc8834.html#section-5.2.2
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audio: [{id: 1, uri: 'urn:ietf:params:rtp-hdrext:ssrc-audio-level'}],
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description: 'Audio level',
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},
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{
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// https://www.rfc-editor.org/rfc/rfc8834.html#section-5.2.5
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video: [{id: 1, uri: 'urn:3gpp:video-orientation'}],
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description: 'Video orientation',
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}
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].forEach(testcase => {
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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await pc.setRemoteDescription({type: 'offer', sdp: createOfferSdp(testcase)});
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const answer = await pc.createAnswer();
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const sections = SDPUtils.splitSections(answer.sdp);
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sections.shift();
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sections.forEach(section => {
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const rtpParameters = SDPUtils.parseRtpParameters(section);
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assert_equals(rtpParameters.headerExtensions.length, 1);
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assert_equals(rtpParameters.headerExtensions[0].id, testcase[SDPUtils.getKind(section)][0].id);
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assert_equals(rtpParameters.headerExtensions[0].uri, testcase[SDPUtils.getKind(section)][0].uri);
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});
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}, testcase.description + ' header extension is supported.');
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});
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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pc.addTransceiver('video');
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const offer = await pc.createOffer();
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const section = SDPUtils.splitSections(offer.sdp)[1];
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const extensions = SDPUtils.matchPrefix(section, 'a=extmap:')
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.map(line => SDPUtils.parseExtmap(line));
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const extension_not_mid = extensions.find(e => e.uri !== 'urn:ietf:params:rtp-hdrext:sdes:mid');
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await pc.setRemoteDescription({type :'offer', sdp: offer.sdp.replace(extension_not_mid.uri, 'bogus')});
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await pc.setLocalDescription();
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const answer_section = SDPUtils.splitSections(pc.localDescription.sdp)[1];
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const answer_extensions = SDPUtils.matchPrefix(answer_section, 'a=extmap:')
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.map(line => SDPUtils.parseExtmap(line));
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assert_equals(answer_extensions.length, extensions.length - 1);
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assert_false(!!extensions.find(e => e.uri === 'bogus'));
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for (const answer_extension of answer_extensions) {
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assert_true(!!extensions.find(e => e.uri === answer_extension.uri));
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}
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}, 'Negotiates the subset of supported extensions offered');
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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// Some implementations may refuse 15 as invalid id because of
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// https://www.rfc-editor.org/rfc/rfc8285#section-4.2
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// which only applies to one-byte extensions with ids 0-14.
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const sdp = createOfferSdp({audio: [{
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id: 15, uri: 'urn:ietf:params:rtp-hdrext:sdes:mid',
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}]});
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await pc.setRemoteDescription({type: 'offer', sdp});
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}, 'Supports header extensions with id=15');
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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const sdp = createOfferSdp({audio: [{
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id: 16, uri: 'urn:ietf:params:rtp-hdrext:sdes:mid',
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}, {
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id: 17, uri: 'urn:ietf:params:rtp-hdrext:ssrc-audio-level',
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}]});
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await pc.setRemoteDescription({type: 'offer', sdp});
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await pc.setLocalDescription();
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const answer_section = SDPUtils.splitSections(pc.localDescription.sdp)[1];
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const answer_extensions = SDPUtils.matchPrefix(answer_section, 'a=extmap:')
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.map(line => SDPUtils.parseExtmap(line));
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assert_equals(answer_extensions.length, 2);
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assert_true(!!answer_extensions.find(e => e.uri === 'urn:ietf:params:rtp-hdrext:sdes:mid'));
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assert_true(!!answer_extensions.find(e => e.uri === 'urn:ietf:params:rtp-hdrext:ssrc-audio-level'));
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}, 'Supports two-byte header extensions');
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</script>
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