sdp - npm Package Compare versions

Comparing version 1.3.0 to 1.4.0

package.json

 {
   "name": "sdp",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "SDP parsing and serialization utilities",
@@ -5,0 +5,0 @@ "main": "sdp.js",

sdp.js

@@ -435,2 +435,35 @@ /* eslint-env node */
 
+// parses http://draft.ortc.org/#rtcrtcpparameters*
+SDPUtils.parseRtcpParameters = function(mediaSection) {
+  var rtcpParameters = {};
+
+  var cname;
+  // Gets the first SSRC. Note that with RTX there might be multiple
+  // SSRCs.
+  var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+      .map(function(line) {
+        return SDPUtils.parseSsrcMedia(line);
+      })
+      .filter(function(obj) {
+        return obj.attribute === 'cname';
+      })[0];
+  if (remoteSsrc) {
+    rtcpParameters.cname = remoteSsrc.value;
+    rtcpParameters.ssrc = remoteSsrc.ssrc;
+  }
+
+  // Edge uses the compound attribute instead of reducedSize
+  // compound is !reducedSize
+  var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
+  rtcpParameters.reducedSize = rsize.length > 0;
+  rtcpParameters.compound = rsize.length === 0;
+
+  // parses the rtcp-mux attrіbute.
+  // Note that Edge does not support unmuxed RTCP.
+  var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
+  rtcpParameters.mux = mux.length > 0;
+
+  return rtcpParameters;
+};
+
 // parses either a=msid: or a=ssrc:... msid lines an returns
@@ -437,0 +470,0 @@ // the id of the MediaStream and MediaStreamTrack.

test/sdp.js

@@ -205,1 +205,11 @@ /* jshint node: true */
 });
+
+test('parseRtcpParameters', function(t) {
+  var rtcp = SDPUtils.parseRtcpParameters(videoSDP);
+  t.ok(rtcp.cname === 'VrveQctHgkwqDKj6', 'parsed RTCP cname');
+  t.ok(rtcp.ssrc === 1734522595, 'parsed RTCP ssrc');
+  t.ok(rtcp.reducedSize === true, 'parsed RTCP reducedSize');
+  t.ok(rtcp.compound === false, 'parsed RTCP compound');
+  t.ok(rtcp.mux === true, 'parse RTCP mux');
+  t.end();
+});

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Improved metrics

Total package byte prevSize

27727

increased by5.49%

Lines of code

718

increased by5.43%

No dependency changes