Adds method used by torture to obtain current audio levels.

modules/statistics/statistics.js

@@ -113,5 +113,25 @@ export default {
                 CallStats.sendAddIceCandidateFailed(e, pc);
             }
         );
+    },
+    /**
+     * FIXME:
+     * Currently used by torture. If we are removing this, torture needs to
+     * be fixed also.
+     *
+     * Obtains audio level reported in the stats for specified peer.
+     * @param peerJid full MUC jid of the user for whom we want to obtain last
+     *        audio level.
+     * @param ssrc the SSRC of audio stream for which we want to obtain audio
+     *        level.
+     * @returns {*} a float form 0 to 1 that represents current audio level or
+     *              <tt>null</tt> if for any reason the value is not available
+     *              at this time.
+     */
+    getPeerSSRCAudioLevel: function (peerJid, ssrc) {
+
+        var peerStats = rtpStats.jid2stats[peerJid];
+
+        return peerStats ? peerStats.ssrc2AudioLevel[ssrc] : null;
     }
 };