DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (b6d82b1a6b02)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="pc.js"></script>
  <script type="application/javascript" src="parser_rtp.js"></script>
  <script type="application/javascript" src="sdpUtils.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
  createHTML({
    bug: "1416932",
    title: "Basic video-only peer connection and verify rtp header extensions"
  });

  var test;
  runNetworkTest(function (options) {
    test = new PeerConnectionTest(options);
    test.setMediaConstraints([{video: true}], [{video: true}]);

    let getRtpPacket = (pc) => {
      // we only examine received packets
      let sending = false;
      pc.mozEnablePacketDump(0, "rtp", sending);
      return new Promise((res, rej) =>
        pc.mozSetPacketCallback((...args) => {
          res([...args]);
          pc.mozSetPacketCallback(() => {});
          pc.mozDisablePacketDump(0, "rtp", sending);
        })
      );
    }

    const pc = SpecialPowers.wrap(test.pcRemote._pc);
    const haveFirstPacket = getRtpPacket(pc);

    test.chain.insertBefore('PC_REMOTE_WAIT_FOR_MEDIA_FLOW', [
      async function PC_REMOTE_CHECK_RTP_HEADER_EXTS_AGAINST_SDP() {

        const sdpExtmapIds = sdputils.findExtmapIds(test.originalAnswer.sdp);

        const [level, type, sending, data] = await haveFirstPacket;
        const packet = ParseRtpPacket(data);
        const extIds = packet.header.extensions.map(e => `${e.id}`);
        // make sure we got the same number of rtp header extensions in
        // the received packet as were negotiated in the sdp.  Then
        // check to make sure each of the received extension ids were in
        // the sdp.
        is(sdpExtmapIds.length, extIds.length,
           `number of sdp ids match received ids ` +
           `${JSON.stringify(sdpExtmapIds)} == ${JSON.stringify(extIds)}\n` +
           `sdp = ${test.originalAnswer.sdp}\n` +
           `packet = ${JSON.stringify(packet, null, 2)}`);
        // note, we are comparing a number (from the parsed rtp packet)
        // and a string (from the answer sdp)
        ok(extIds.every(id => sdpExtmapIds.includes(id)) &&
           sdpExtmapIds.every(id => extIds.includes(id)),
          `extension id arrays equivalent`);
      }
    ]);

    test.run();
  });
</script>
</pre>
</body>
</html>