Adding layer info consideration when applying FEC protection. In this first version, we hard code protection zero for non-base layer frames. As a future enhancement, an array should be passed from mediaOpt to set the protection per layer. A TODO was added in MediaOpt.

Review URL: http://webrtc-codereview.appspot.com/330005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1238 4adac7df-926f-26a2-2b94-8c16560cd09d

src/modules/video_coding/main/source/media_optimization.h

@@ -65,7 +65,8 @@ public:
                                   WebRtc_UWord32 frameRate,
                                   WebRtc_UWord32 bitRate,
                                   WebRtc_UWord16 width,
-                                  WebRtc_UWord16 height);
+                                  WebRtc_UWord16 height,
+                                  int numTemporalLayers);
     /**
     * Enable protection method
     */
@@ -199,6 +200,7 @@ private:
 
     WebRtc_Word64                     _lastQMUpdateTime;
     WebRtc_Word64                     _lastChangeTime; // content/user triggered
+    int                               _numLayers;
 
 
 }; // end of VCMMediaOptimization class definition