Remove unused arguments and variable in MediaOptimization.

webrtc/modules/video_coding/media_optimization.cc

 /*
  *  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.
  */
 
@@ skipping 20 matching lines @@
 };
 
 MediaOptimization::MediaOptimization(Clock* clock)
     : crit_sect_(CriticalSectionWrapper::CreateCriticalSection()),
       clock_(clock),
       max_bit_rate_(0),
       codec_width_(0),
       codec_height_(0),
       user_frame_rate_(0),
       frame_dropper_(new FrameDropper),
-      fraction_lost_(0),
       send_statistics_zero_encode_(0),
       max_payload_size_(1460),
       video_target_bitrate_(0),
       incoming_frame_rate_(0),
       encoded_frame_samples_(),
       avg_sent_bit_rate_bps_(0),
       avg_sent_framerate_(0),
       num_layers_(0) {
   memset(send_statistics_, 0, sizeof(send_statistics_));
   memset(incoming_frame_times_, -1, sizeof(incoming_frame_times_));
@@ skipping 46 matching lines @@
   float target_bitrate_kbps = static_cast<float>(target_bitrate) / 1000.0f;
   frame_dropper_->Reset();
   frame_dropper_->SetRates(target_bitrate_kbps, static_cast<float>(frame_rate));
   user_frame_rate_ = static_cast<float>(frame_rate);
   codec_width_ = width;
   codec_height_ = height;
   num_layers_ = (num_layers <= 1) ? 1 : num_layers;  // Can also be zero.
   max_payload_size_ = mtu;
 }
 
-uint32_t MediaOptimization::SetTargetRates(uint32_t target_bitrate,
-                                           uint8_t fraction_lost,
-                                           int64_t round_trip_time_ms) {
+uint32_t MediaOptimization::SetTargetRates(uint32_t target_bitrate) {
   CriticalSectionScoped lock(crit_sect_.get());
 
-  // Get frame rate for encoder: this is the actual/sent frame rate.
-  float actual_frame_rate = SentFrameRateInternal();
-
-  // Sanity check.
-  if (actual_frame_rate < 1.0) {
-    actual_frame_rate = 1.0;
-  }
-
-  fraction_lost_ = fraction_lost;
-
   video_target_bitrate_ = target_bitrate;
 
   // Cap target video bitrate to codec maximum.
   if (max_bit_rate_ > 0 && video_target_bitrate_ > max_bit_rate_) {
     video_target_bitrate_ = max_bit_rate_;
   }
 
   // Update encoding rates following protection settings.
   float target_video_bitrate_kbps =
       static_cast<float>(video_target_bitrate_) / 1000.0f;
@@ skipping 149 matching lines @@
     const int64_t diff =
         incoming_frame_times_[0] - incoming_frame_times_[num - 1];
     incoming_frame_rate_ = 0.0;  // No frame rate estimate available.
     if (diff > 0) {
       incoming_frame_rate_ = nr_of_frames * 1000.0f / static_cast<float>(diff);
     }
   }
 }
 }  // namespace media_optimization
 }  // namespace webrtc