From 191ab1fe7cacce3043305464f7379dcd51c13b96 Mon Sep 17 00:00:00 2001
From: Jan-Ivar Bruaroey <jib@mozilla.com>
Date: Thu, 22 Aug 2013 12:26:54 -0400
Subject: [PATCH] Bug 906105 - Store external 0-based sdpMLineIndex rather than
 internal 1-based one. r=ehugg

---
 dom/media/PeerConnection.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dom/media/PeerConnection.js b/dom/media/PeerConnection.js
index 0d6ea842cf05..e2d505dfe754 100644
--- a/dom/media/PeerConnection.js
+++ b/dom/media/PeerConnection.js
@@ -134,7 +134,7 @@ RTCIceCandidate.prototype = {
   __init: function(dict) {
     this.candidate = dict.candidate;
     this.sdpMid = dict.sdpMid;
-    this.sdpMLineIndex = ("sdpMLineIndex" in dict)? dict.sdpMLineIndex+1 : null;
+    this.sdpMLineIndex = ("sdpMLineIndex" in dict)? dict.sdpMLineIndex : null;
   }
 };
 
@@ -691,7 +691,8 @@ RTCPeerConnection.prototype = {
 
     this._queueOrRun({
       func: this._getPC().addIceCandidate,
-      args: [cand.candidate, cand.sdpMid || "", cand.sdpMLineIndex],
+      args: [cand.candidate, cand.sdpMid || "",
+             (cand.sdpMLineIndex === null)? 0 : cand.sdpMLineIndex + 1],
       wait: true
     });
   },