Fix stats for encoder target bitrate when target rate is zero.

webrtc/modules/video_coding/video_sender.cc

 /*
  *  Copyright (c) 2013 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.
  */
 
 
 #include <algorithm>  // std::max
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/common_types.h"
 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/modules/video_coding/encoded_frame.h"
 #include "webrtc/modules/video_coding/utility/quality_scaler.h"
 #include "webrtc/modules/video_coding/video_coding_impl.h"
 #include "webrtc/system_wrappers/include/clock.h"
 
 namespace webrtc {
 namespace vcm {
 
 VideoSender::VideoSender(Clock* clock,
                          EncodedImageCallback* post_encode_callback,
-                         VideoEncoderRateObserver* encoder_rate_observer,
                          VCMSendStatisticsCallback* send_stats_callback)
     : clock_(clock),
       _encoder(nullptr),
       _mediaOpt(clock_),
       _encodedFrameCallback(post_encode_callback, &_mediaOpt),
       send_stats_callback_(send_stats_callback),
-      _codecDataBase(encoder_rate_observer, &_encodedFrameCallback),
+      _codecDataBase(&_encodedFrameCallback),
       frame_dropper_enabled_(true),
       _sendStatsTimer(1000, clock_),
       current_codec_(),
       encoder_params_({0, 0, 0, 0}),
       encoder_has_internal_source_(false),
       next_frame_types_(1, kVideoFrameDelta) {
   _mediaOpt.Reset();
   // Allow VideoSender to be created on one thread but used on another, post
   // construction. This is currently how this class is being used by at least
   // one external project (diffractor).
@@ skipping 312 matching lines @@
 }
 
 int32_t VideoSender::EnableFrameDropper(bool enable) {
   rtc::CritScope lock(&encoder_crit_);
   frame_dropper_enabled_ = enable;
   _mediaOpt.EnableFrameDropper(enable);
   return VCM_OK;
 }
 }  // namespace vcm
 }  // namespace webrtc