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

webrtc/video/vie_encoder.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.
  */
 
 #ifndef WEBRTC_VIDEO_VIE_ENCODER_H_
 #define WEBRTC_VIDEO_VIE_ENCODER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/event.h"
 #include "webrtc/base/sequenced_task_checker.h"
 #include "webrtc/base/task_queue.h"
 #include "webrtc/call.h"
 #include "webrtc/common_types.h"
+#include "webrtc/common_video/include/video_bitrate_allocator.h"
 #include "webrtc/common_video/rotation.h"
 #include "webrtc/media/base/videosinkinterface.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
-#include "webrtc/modules/video_coding/utility/simulcast_rate_allocator.h"
 #include "webrtc/modules/video_coding/video_coding_impl.h"
 #include "webrtc/modules/video_processing/include/video_processing.h"
 #include "webrtc/system_wrappers/include/atomic32.h"
 #include "webrtc/video/overuse_frame_detector.h"
 #include "webrtc/video_encoder.h"
 #include "webrtc/video_send_stream.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
@@ skipping 124 matching lines @@
 
   SendStatisticsProxy* const stats_proxy_;
   rtc::VideoSinkInterface<VideoFrame>* const pre_encode_callback_;
   ProcessThread* module_process_thread_;
   rtc::ThreadChecker module_process_thread_checker_;
   // |thread_checker_| checks that public methods that are related to lifetime
   // of ViEEncoder are called on the same thread.
   rtc::ThreadChecker thread_checker_;
 
   VideoEncoderConfig encoder_config_ ACCESS_ON(&encoder_queue_);
-  // TODO(sprang): Change |rate_allocator_| to be a codec type
-  // agnostic interface. It is currently VP8 simulcast specific if more than
-  // one layer is specified.
-  std::unique_ptr<SimulcastRateAllocator> rate_allocator_
+  std::unique_ptr<VideoBitrateAllocator> rate_allocator_
       ACCESS_ON(&encoder_queue_);
 
   // Set when ConfigureEncoder has been called in order to lazy reconfigure the
   // encoder on the next frame.
   bool pending_encoder_reconfiguration_ ACCESS_ON(&encoder_queue_);
   rtc::Optional<VideoFrameInfo> last_frame_info_ ACCESS_ON(&encoder_queue_);
   uint32_t encoder_start_bitrate_bps_ ACCESS_ON(&encoder_queue_);
   size_t max_data_payload_length_ ACCESS_ON(&encoder_queue_);
   uint32_t last_observed_bitrate_bps_ ACCESS_ON(&encoder_queue_);
   bool encoder_paused_and_dropped_frame_ ACCESS_ON(&encoder_queue_);
@@ skipping 17 matching lines @@
   // All public methods are proxied to |encoder_queue_|. It must must be
   // destroyed first to make sure no tasks are run that use other members.
   rtc::TaskQueue encoder_queue_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ViEEncoder);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_VIE_ENCODER_H_