Support simulcast and spatial layers in VideoQualityTest (PERF NOTE)

webrtc/common_types.h

Index: webrtc/common_types.h
diff --git a/webrtc/common_types.h b/webrtc/common_types.h
index 07faf6aefcfbcbd37bc5eead6d3b7a7c9768bf40..048485fa2fc89f99483230cb2f0b5f479acb7ed0 100644
--- a/webrtc/common_types.h
+++ b/webrtc/common_types.h
@@ -547,6 +547,7 @@ enum RawVideoType
 enum { kConfigParameterSize = 128};
 enum { kPayloadNameSize = 32};
 enum { kMaxSimulcastStreams = 4};
+enum { kMaxSpatialLayers = 5 };
 enum { kMaxTemporalStreams = 4};
 
 enum VideoCodecComplexity
@@ -676,6 +677,13 @@ struct SimulcastStream {
   }
 };
 
+struct SpatialLayer {
+  int scaling_factor_num;
+  int scaling_factor_den;
+  int target_bitrate_bps;
+  // TODO(ivica): Add max_quantizer and min_quantizer?
+};
+
 enum VideoCodecMode {
   kRealtimeVideo,
   kScreensharing
@@ -702,6 +710,7 @@ struct VideoCodec {
   unsigned int        qpMax;
   unsigned char       numberOfSimulcastStreams;
   SimulcastStream     simulcastStream[kMaxSimulcastStreams];
+  SpatialLayer spatialLayers[kMaxSpatialLayers];
 
   VideoCodecMode      mode;