зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
4.4 KiB
JavaScript
112 строки
4.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var sdputils = {
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checkSdpAfterEndOfTrickle: function(sdp, testOptions, label) {
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info("EOC-SDP: " + JSON.stringify(sdp));
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ok(sdp.sdp.includes("a=end-of-candidates"), label + ": SDP contains end-of-candidates");
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ok(!sdp.sdp.includes("c=IN IP4 0.0.0.0"), label + ": SDP contains non-zero IP c line");
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if (testOptions.rtcpmux) {
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ok(sdp.sdp.includes("a=rtcp-mux"), label + ": SDP contains rtcp-mux");
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} else {
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ok(sdp.sdp.includes("a=rtcp:"), label + ": SDP contains rtcp port");
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}
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},
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// Also remove mode 0 if it's offered
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// Note, we don't bother removing the fmtp lines, which makes a good test
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// for some SDP parsing issues.
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removeVP8: function(sdp) {
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var updated_sdp = sdp.replace("a=rtpmap:120 VP8/90000\r\n","");
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updated_sdp = updated_sdp.replace("RTP/SAVPF 120 126 97\r\n","RTP/SAVPF 126 97\r\n");
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updated_sdp = updated_sdp.replace("RTP/SAVPF 120 126\r\n","RTP/SAVPF 126\r\n");
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updated_sdp = updated_sdp.replace("a=rtcp-fb:120 nack\r\n","");
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updated_sdp = updated_sdp.replace("a=rtcp-fb:120 nack pli\r\n","");
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updated_sdp = updated_sdp.replace("a=rtcp-fb:120 ccm fir\r\n","");
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return updated_sdp;
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},
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removeRtcpMux: function(sdp) {
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return sdp.replace(/a=rtcp-mux\r\n/g,"");
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},
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removeBundle: function(sdp) {
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return sdp.replace(/a=group:BUNDLE .*\r\n/g, "");
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},
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verifySdp: function(desc, expectedType, offerConstraintsList, offerOptions,
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testOptions) {
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info("Examining this SessionDescription: " + JSON.stringify(desc));
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info("offerConstraintsList: " + JSON.stringify(offerConstraintsList));
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info("offerOptions: " + JSON.stringify(offerOptions));
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ok(desc, "SessionDescription is not null");
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is(desc.type, expectedType, "SessionDescription type is " + expectedType);
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ok(desc.sdp.length > 10, "SessionDescription body length is plausible");
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ok(desc.sdp.includes("a=ice-ufrag"), "ICE username is present in SDP");
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ok(desc.sdp.includes("a=ice-pwd"), "ICE password is present in SDP");
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ok(desc.sdp.includes("a=fingerprint"), "ICE fingerprint is present in SDP");
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//TODO: update this for loopback support bug 1027350
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ok(!desc.sdp.includes(LOOPBACK_ADDR), "loopback interface is absent from SDP");
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var requiresTrickleIce = !desc.sdp.includes("a=candidate");
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if (requiresTrickleIce) {
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info("at least one ICE candidate is present in SDP");
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} else {
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info("No ICE candidate in SDP -> requiring trickle ICE");
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}
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//TODO: how can we check for absence/presence of m=application?
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var audioTracks =
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sdputils.countTracksInConstraint('audio', offerConstraintsList) ||
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((offerOptions && offerOptions.offerToReceiveAudio) ? 1 : 0);
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info("expected audio tracks: " + audioTracks);
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if (audioTracks == 0) {
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ok(!desc.sdp.includes("m=audio"), "audio m-line is absent from SDP");
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} else {
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ok(desc.sdp.includes("m=audio"), "audio m-line is present in SDP");
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ok(desc.sdp.includes("a=rtpmap:109 opus/48000/2"), "OPUS codec is present in SDP");
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//TODO: ideally the rtcp-mux should be for the m=audio, and not just
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// anywhere in the SDP (JS SDP parser bug 1045429)
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is(testOptions.rtcpmux, desc.sdp.includes("a=rtcp-mux"), "RTCP Mux is offered in SDP");
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}
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var videoTracks =
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sdputils.countTracksInConstraint('video', offerConstraintsList) ||
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((offerOptions && offerOptions.offerToReceiveVideo) ? 1 : 0);
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info("expected video tracks: " + videoTracks);
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if (videoTracks == 0) {
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ok(!desc.sdp.includes("m=video"), "video m-line is absent from SDP");
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} else {
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ok(desc.sdp.includes("m=video"), "video m-line is present in SDP");
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if (testOptions.h264) {
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ok(desc.sdp.includes("a=rtpmap:126 H264/90000"), "H.264 codec is present in SDP");
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} else {
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ok(desc.sdp.includes("a=rtpmap:120 VP8/90000"), "VP8 codec is present in SDP");
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}
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is(testOptions.rtcpmux, desc.sdp.includes("a=rtcp-mux"), "RTCP Mux is offered in SDP");
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}
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return requiresTrickleIce;
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},
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/**
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* Counts the amount of audio tracks in a given media constraint.
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*
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* @param constraints
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* The contraint to be examined.
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*/
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countTracksInConstraint: function(type, constraints) {
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if (!Array.isArray(constraints)) {
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return 0;
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}
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return constraints.reduce((sum, c) => sum + (c[type] ? 1 : 0), 0);
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},
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};
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