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

webrtc/modules/video_coding/codecs/vp8/vp8_impl.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  *
  * WEBRTC VP8 wrapper interface
@@ skipping 38 matching lines @@
 
   int Encode(const VideoFrame& input_image,
              const CodecSpecificInfo* codec_specific_info,
              const std::vector<FrameType>* frame_types) override;
 
   int RegisterEncodeCompleteCallback(EncodedImageCallback* callback) override;
 
   int SetChannelParameters(uint32_t packet_loss, int64_t rtt) override;
 
   int SetRates(uint32_t new_bitrate_kbit, uint32_t frame_rate) override;
+  int SetRateAllocation(const BitrateAllocation& bitrate,
+                        uint32_t new_framerate) override;
 
   void OnDroppedFrame() override;
 
   const char* ImplementationName() const override;
 
  private:
   void SetupTemporalLayers(int num_streams,
                            int num_temporal_layers,
-                           const VideoCodec& codec);
+                           const VideoCodec& codec,
+                           SimulcastRateAllocator* allocator);
 
   // Set the cpu_speed setting for encoder based on resolution and/or platform.
   int SetCpuSpeed(int width, int height);
 
   // Determine number of encoder threads to use.
   int NumberOfThreads(int width, int height, int number_of_cores);
 
   // Call encoder initialize function and set control settings.
   int InitAndSetControlSettings();
 
   // Update frame size for codec.
   int UpdateCodecFrameSize(int width, int height);
 
   void PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
                              const vpx_codec_cx_pkt& pkt,
                              int stream_idx,
                              uint32_t timestamp,
                              bool only_predicting_from_key_frame);
 
   int GetEncodedPartitions(const VideoFrame& input_image,
                            bool only_predicting_from_key_frame);
 
   // Set the stream state for stream |stream_idx|.
   void SetStreamState(bool send_stream, int stream_idx);
 
   uint32_t MaxIntraTarget(uint32_t optimal_buffer_size);
 
   EncodedImageCallback* encoded_complete_callback_;
   VideoCodec codec_;
-  std::unique_ptr<SimulcastRateAllocator> rate_allocator_;
+  std::unique_ptr<SimulcastRateAllocator> fallback_rate_allocator_;
+  std::unique_ptr<TemporalLayersFactory> fallback_tl_factory_;
   bool inited_;
   int64_t timestamp_;
   bool feedback_mode_;
   int qp_max_;
   int cpu_speed_default_;
   uint32_t rc_max_intra_target_;
   int token_partitions_;
   ReferencePictureSelection rps_;
   std::vector<TemporalLayers*> temporal_layers_;
   bool down_scale_requested_;
@@ skipping 53 matching lines @@
   int image_format_;
   vpx_ref_frame_t* ref_frame_;
   int propagation_cnt_;
   int last_frame_width_;
   int last_frame_height_;
   bool key_frame_required_;
 };  // end of VP8DecoderImpl class
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_