Extract bitrate allocation of spatial/temporal layers out of codec impl.

webrtc/video/video_encoder.cc

Index: webrtc/video/video_encoder.cc
diff --git a/webrtc/video/video_encoder.cc b/webrtc/video/video_encoder.cc
index bb6e9e23082ae0b93a6adaefa5bf6dc28f262658..cce9579436d5496abba4fb9c17b505f8420f9d9e 100644
--- a/webrtc/video/video_encoder.cc
+++ b/webrtc/video/video_encoder.cc
@@ -67,8 +67,13 @@ VideoEncoder::EncoderType VideoEncoder::CodecToEncoderType(
 VideoEncoderSoftwareFallbackWrapper::VideoEncoderSoftwareFallbackWrapper(
     VideoCodecType codec_type,
     webrtc::VideoEncoder* encoder)
-    : rates_set_(false),
+    : number_of_cores_(0),
+      max_payload_size_(0),
+      rates_set_(false),
+      framerate_(0),
       channel_parameters_set_(false),
+      packet_loss_(0),
+      rtt_(0),
       encoder_type_(CodecToEncoderType(codec_type)),
       encoder_(encoder),
       callback_(nullptr) {}
@@ -92,7 +97,7 @@ bool VideoEncoderSoftwareFallbackWrapper::InitFallbackEncoder() {
   if (callback_)
     fallback_encoder_->RegisterEncodeCompleteCallback(callback_);
   if (rates_set_)
-    fallback_encoder_->SetRates(bitrate_, framerate_);
+    fallback_encoder_->SetRateAllocation(bitrate_, framerate_);
   if (channel_parameters_set_)
     fallback_encoder_->SetChannelParameters(packet_loss_, rtt_);
 
@@ -189,14 +194,15 @@ int32_t VideoEncoderSoftwareFallbackWrapper::SetChannelParameters(
   return ret;
 }
 
-int32_t VideoEncoderSoftwareFallbackWrapper::SetRates(uint32_t bitrate,
-                                                      uint32_t framerate) {
+int32_t VideoEncoderSoftwareFallbackWrapper::SetRateAllocation(
+    const BitrateAllocation& bitrate_allocation,
+    uint32_t framerate) {
   rates_set_ = true;
-  bitrate_ = bitrate;
+  bitrate_ = bitrate_allocation;
   framerate_ = framerate;
-  int32_t ret = encoder_->SetRates(bitrate, framerate);
+  int32_t ret = encoder_->SetRateAllocation(bitrate_, framerate);
   if (fallback_encoder_)
-    return fallback_encoder_->SetRates(bitrate, framerate);
+    return fallback_encoder_->SetRateAllocation(bitrate_, framerate);
   return ret;
 }