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Diffstat (limited to 'testing/web-platform/tests/webrtc/protocol/rtx-codecs.https.html')
| -rw-r--r-- | testing/web-platform/tests/webrtc/protocol/rtx-codecs.https.html | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc/protocol/rtx-codecs.https.html b/testing/web-platform/tests/webrtc/protocol/rtx-codecs.https.html new file mode 100644 index 0000000000..78519c75cc --- /dev/null +++ b/testing/web-platform/tests/webrtc/protocol/rtx-codecs.https.html @@ -0,0 +1,153 @@ +<!doctype html> +<meta charset=utf-8> +<title>RTX codec integrity checks</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="../RTCPeerConnection-helper.js"></script> +<script src="../third_party/sdp/sdp.js"></script> +<script> +'use strict'; + +// Tests for conformance to rules for RTX codecs. +// Basic rule: Offers and answers must contain RTX codecs, and the +// RTX codecs must have an a=fmtp line that points to a non-RTX codec. + +// Helper function for doing one round of offer/answer exchange +// between two local peer connections. +// Calls setRemoteDescription(offer/answer) before +// setLocalDescription(offer/answer) to ensure the remote description +// is set and candidates can be added before the local peer connection +// starts generating candidates and ICE checks. +async function doSignalingHandshake(localPc, remotePc, options={}) { + let offer = await localPc.createOffer(); + // Modify offer if callback has been provided + if (options.modifyOffer) { + offer = await options.modifyOffer(offer); + } + + // Apply offer. + await remotePc.setRemoteDescription(offer); + await localPc.setLocalDescription(offer); + + let answer = await remotePc.createAnswer(); + // Modify answer if callback has been provided + if (options.modifyAnswer) { + answer = await options.modifyAnswer(answer); + } + + // Apply answer. + await localPc.setRemoteDescription(answer); + await remotePc.setLocalDescription(answer); +} + +function verifyRtxReferences(description) { + const mediaSection = SDPUtils.getMediaSections(description.sdp)[0]; + const rtpParameters = SDPUtils.parseRtpParameters(mediaSection); + for (const codec of rtpParameters.codecs) { + if (codec.name === 'rtx') { + assert_own_property(codec.parameters, 'apt', 'rtx codec has apt parameter'); + const referenced_codec = rtpParameters.codecs.find( + c => c.payloadType === parseInt(codec.parameters.apt)); + assert_true(referenced_codec !== undefined, `Found referenced codec`); + } + } +} + + + +promise_test(async t => { + const pc = new RTCPeerConnection(); + const offer = await generateVideoReceiveOnlyOffer(pc); + verifyRtxReferences(offer); +}, 'Initial offer should have sensible RTX mappings'); + +async function negotiateAndReturnAnswer(t) { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + let [track, streams] = await getTrackFromUserMedia('video'); + const sender = pc1.addTrack(track); + await doSignalingHandshake(pc1, pc2); + return pc2.localDescription; +} + +promise_test(async t => { + const answer = await negotiateAndReturnAnswer(t); + verifyRtxReferences(answer); +}, 'Self-negotiated answer should have sensible RTX parameters'); + +promise_test(async t => { + const sampleOffer = `v=0 +o=- 1878890426675213188 2 IN IP4 127.0.0.1 +s=- +t=0 0 +a=group:BUNDLE video +a=msid-semantic: WMS +m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 +c=IN IP4 0.0.0.0 +a=rtcp:9 IN IP4 0.0.0.0 +a=ice-ufrag:RGPK +a=ice-pwd:rAyHEAKC7ckxQgWaRZXukz+Z +a=ice-options:trickle +a=fingerprint:sha-256 8C:29:0A:8F:11:06:BF:1C:58:B3:CA:E6:F1:F1:DC:99:4C:6C:89:E9:FF:BC:D4:38:11:18:1F:40:19:C8:49:37 +a=setup:actpass +a=mid:video +a=recvonly +a=rtcp-mux +a=rtpmap:97 rtx/90000 +a=fmtp:97 apt=98 +a=rtpmap:98 VP8/90000 +a=rtcp-fb:98 ccm fir +a=rtcp-fb:98 nack +a=rtcp-fb:98 nack pli +a=rtcp-fb:98 goog-remb +a=rtcp-fb:98 transport-cc +`; + const pc = new RTCPeerConnection(); + let [track, streams] = await getTrackFromUserMedia('video'); + const sender = pc.addTrack(track); + await pc.setRemoteDescription({type: 'offer', sdp: sampleOffer}); + const answer = await pc.createAnswer(); + verifyRtxReferences(answer); +}, 'A remote offer generates sensible RTX references in answer'); + +promise_test(async t => { + const sampleOffer = `v=0 +o=- 1878890426675213188 2 IN IP4 127.0.0.1 +s=- +t=0 0 +a=group:BUNDLE video +a=msid-semantic: WMS +m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 +c=IN IP4 0.0.0.0 +a=rtcp:9 IN IP4 0.0.0.0 +a=ice-ufrag:RGPK +a=ice-pwd:rAyHEAKC7ckxQgWaRZXukz+Z +a=ice-options:trickle +a=fingerprint:sha-256 8C:29:0A:8F:11:06:BF:1C:58:B3:CA:E6:F1:F1:DC:99:4C:6C:89:E9:FF:BC:D4:38:11:18:1F:40:19:C8:49:37 +a=setup:actpass +a=mid:video +a=recvonly +a=rtcp-mux +a=rtpmap:96 VP8/90000 +a=rtpmap:97 rtx/90000 +a=fmtp:97 apt=98 +a=rtpmap:98 VP8/90000 +a=rtcp-fb:98 ccm fir +a=rtcp-fb:98 nack +a=rtcp-fb:98 nack pli +a=rtcp-fb:98 goog-remb +a=rtcp-fb:98 transport-cc +a=rtpmap:99 rtx/90000 +a=fmtp:99 apt=96 +`; + const pc = new RTCPeerConnection(); + let [track, streams] = await getTrackFromUserMedia('video'); + const sender = pc.addTrack(track); + await pc.setRemoteDescription({type: 'offer', sdp: sampleOffer}); + const answer = await pc.createAnswer(); + verifyRtxReferences(answer); +}, 'A remote offer with duplicate codecs generates sensible RTX references in answer'); + +</script> |