From 00348fa6fd2c7c2a6a01010c3e04c9a7ca64764c Mon Sep 17 00:00:00 2001
From: Simon Eisenmann <simon@struktur.de>
Date: Mon, 27 Apr 2015 11:09:25 +0200
Subject: [PATCH] Added support to control Opus DTX.

---
 static/js/mediastream/utils.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/static/js/mediastream/utils.js b/static/js/mediastream/utils.js
index 9f41acda..5cc1b696 100644
--- a/static/js/mediastream/utils.js
+++ b/static/js/mediastream/utils.js
@@ -81,6 +81,14 @@ define([], function() {
       sdp = removeCodecParam(sdp, 'opus/48000', 'useinbandfec');
     }
 
+    // Set Opus DTX, if opusdtx is true, unset it, if opusdtx is false, and
+    // do nothing if otherwise.
+    if (params.opusDtx === 'true') {
+      sdp = setCodecParam(sdp, 'opus/48000', 'usedtx', '1');
+    } else if (params.opusDtx === 'false') {
+      sdp = removeCodecParam(sdp, 'opus/48000', 'usedtx');
+    }
+
     // Set Opus maxplaybackrate, if requested.
     if (params.opusMaxPbr) {
       sdp = setCodecParam(