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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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tree10027f336435511475e392454359edea8e25895d /dom/media/tests/mochitest/sdpUtils.js
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Add m-esr52 at 52.6.0
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diff --git a/dom/media/tests/mochitest/sdpUtils.js b/dom/media/tests/mochitest/sdpUtils.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var sdputils = {
+
+checkSdpAfterEndOfTrickle: function(sdp, testOptions, label) {
+ info("EOC-SDP: " + JSON.stringify(sdp));
+
+ ok(sdp.sdp.includes("a=end-of-candidates"), label + ": SDP contains end-of-candidates");
+ sdputils.checkSdpCLineNotDefault(sdp.sdp, label);
+
+ if (testOptions.rtcpmux) {
+ ok(sdp.sdp.includes("a=rtcp-mux"), label + ": SDP contains rtcp-mux");
+ } else {
+ ok(sdp.sdp.includes("a=rtcp:"), label + ": SDP contains rtcp port");
+ }
+},
+
+// takes sdp in string form (or possibly a fragment, say an m-section), and
+// verifies that the default 0.0.0.0 addr is not present.
+checkSdpCLineNotDefault: function(sdpStr, label) {
+ info("CLINE-NO-DEFAULT-ADDR-SDP: " + JSON.stringify(sdpStr));
+ ok(!sdpStr.includes("c=IN IP4 0.0.0.0"), label + ": SDP contains non-zero IP c line");
+},
+
+// Note, we don't bother removing the fmtp lines, which makes a good test
+// for some SDP parsing issues. It would be good to have a "removeAllButCodec(sdp, codec)" too.
+removeCodec: function(sdp, codec) {
+ var updated_sdp = sdp.replace(new RegExp("a=rtpmap:" + codec + ".*\\/90000\\r\\n",""),"");
+ updated_sdp = updated_sdp.replace(new RegExp("(RTP\\/SAVPF.*)( " + codec + ")(.*\\r\\n)",""),"$1$3");
+ updated_sdp = updated_sdp.replace(new RegExp("a=rtcp-fb:" + codec + " nack\\r\\n",""),"");
+ updated_sdp = updated_sdp.replace(new RegExp("a=rtcp-fb:" + codec + " nack pli\\r\\n",""),"");
+ updated_sdp = updated_sdp.replace(new RegExp("a=rtcp-fb:" + codec + " ccm fir\\r\\n",""),"");
+ return updated_sdp;
+},
+
+removeRtcpMux: function(sdp) {
+ return sdp.replace(/a=rtcp-mux\r\n/g,"");
+},
+
+removeBundle: function(sdp) {
+ return sdp.replace(/a=group:BUNDLE .*\r\n/g, "");
+},
+
+reduceAudioMLineToPcmuPcma: function(sdp) {
+ return sdp.replace(/m=audio .*\r\n/g, "m=audio 9 UDP/TLS/RTP/SAVPF 0 8\r\n");
+},
+
+setAllMsectionsInactive: function(sdp) {
+ return sdp.replace(/\r\na=sendrecv/g, "\r\na=inactive")
+ .replace(/\r\na=sendonly/g, "\r\na=inactive")
+ .replace(/\r\na=recvonly/g, "\r\na=inactive");
+},
+
+removeAllRtpMaps: function(sdp) {
+ return sdp.replace(/a=rtpmap:.*\r\n/g, "");
+},
+
+reduceAudioMLineToDynamicPtAndOpus: function(sdp) {
+ return sdp.replace(/m=audio .*\r\n/g, "m=audio 9 UDP/TLS/RTP/SAVPF 101 109\r\n");
+},
+
+transferSimulcastProperties: function(offer_sdp, answer_sdp) {
+ if (!offer_sdp.includes("a=simulcast:")) {
+ return answer_sdp;
+ }
+ var o_simul = offer_sdp.match(/simulcast: send rid=(.*)([\n$])*/i);
+ var o_rids = offer_sdp.match(/a=rid:(.*)/ig);
+ var new_answer_sdp = answer_sdp + "a=simulcast: recv rid=" + o_simul[1] + "\r\n";
+ o_rids.forEach((o_rid) => {
+ new_answer_sdp = new_answer_sdp + o_rid.replace(/send/, "recv") + "\r\n";
+ });
+ return new_answer_sdp;
+},
+
+verifySdp: function(desc, expectedType, offerConstraintsList, offerOptions,
+ testOptions) {
+ info("Examining this SessionDescription: " + JSON.stringify(desc));
+ info("offerConstraintsList: " + JSON.stringify(offerConstraintsList));
+ info("offerOptions: " + JSON.stringify(offerOptions));
+ ok(desc, "SessionDescription is not null");
+ is(desc.type, expectedType, "SessionDescription type is " + expectedType);
+ ok(desc.sdp.length > 10, "SessionDescription body length is plausible");
+ ok(desc.sdp.includes("a=ice-ufrag"), "ICE username is present in SDP");
+ ok(desc.sdp.includes("a=ice-pwd"), "ICE password is present in SDP");
+ ok(desc.sdp.includes("a=fingerprint"), "ICE fingerprint is present in SDP");
+ //TODO: update this for loopback support bug 1027350
+ ok(!desc.sdp.includes(LOOPBACK_ADDR), "loopback interface is absent from SDP");
+ var requiresTrickleIce = !desc.sdp.includes("a=candidate");
+ if (requiresTrickleIce) {
+ info("No ICE candidate in SDP -> requiring trickle ICE");
+ } else {
+ info("at least one ICE candidate is present in SDP");
+ }
+
+ //TODO: how can we check for absence/presence of m=application?
+
+ var audioTracks =
+ sdputils.countTracksInConstraint('audio', offerConstraintsList) ||
+ ((offerOptions && offerOptions.offerToReceiveAudio) ? 1 : 0);
+
+ info("expected audio tracks: " + audioTracks);
+ if (audioTracks == 0) {
+ ok(!desc.sdp.includes("m=audio"), "audio m-line is absent from SDP");
+ } else {
+ ok(desc.sdp.includes("m=audio"), "audio m-line is present in SDP");
+ is(testOptions.opus, desc.sdp.includes("a=rtpmap:109 opus/48000/2"), "OPUS codec is present in SDP");
+ //TODO: ideally the rtcp-mux should be for the m=audio, and not just
+ // anywhere in the SDP (JS SDP parser bug 1045429)
+ is(testOptions.rtcpmux, desc.sdp.includes("a=rtcp-mux"), "RTCP Mux is offered in SDP");
+ }
+
+ var videoTracks =
+ sdputils.countTracksInConstraint('video', offerConstraintsList) ||
+ ((offerOptions && offerOptions.offerToReceiveVideo) ? 1 : 0);
+
+ info("expected video tracks: " + videoTracks);
+ if (videoTracks == 0) {
+ ok(!desc.sdp.includes("m=video"), "video m-line is absent from SDP");
+ } else {
+ ok(desc.sdp.includes("m=video"), "video m-line is present in SDP");
+ if (testOptions.h264) {
+ ok(desc.sdp.includes("a=rtpmap:126 H264/90000"), "H.264 codec is present in SDP");
+ } else {
+ ok(desc.sdp.includes("a=rtpmap:120 VP8/90000") ||
+ desc.sdp.includes("a=rtpmap:121 VP9/90000"), "VP8 or VP9 codec is present in SDP");
+ }
+ is(testOptions.rtcpmux, desc.sdp.includes("a=rtcp-mux"), "RTCP Mux is offered in SDP");
+ }
+
+ return requiresTrickleIce;
+},
+
+/**
+ * Counts the amount of audio tracks in a given media constraint.
+ *
+ * @param constraints
+ * The contraint to be examined.
+ */
+countTracksInConstraint: function(type, constraints) {
+ if (!Array.isArray(constraints)) {
+ return 0;
+ }
+ return constraints.reduce((sum, c) => sum + (c[type] ? 1 : 0), 0);
+},
+
+};