Utilize bitrate above codec max to protect video.

webrtc/modules/video_coding/main/source/media_optimization.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.
  */
 
@@ skipping 103 matching lines @@
                 VCMQMSettingsCallback* qmsettings_callback)
       EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
 
   // Checks if we should make a QM change. Return true if yes, false otherwise.
   bool CheckStatusForQMchange() EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
 
   void ProcessIncomingFrameRate(int64_t now)
       EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
 
   // Checks conditions for suspending the video. The method compares
-  // |target_bit_rate_| with the threshold values for suspension, and changes
-  // the state of |video_suspended_| accordingly.
+  // |video_target_bitrate_| with the threshold values for suspension, and
+  // changes the state of |video_suspended_| accordingly.
   void CheckSuspendConditions() EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
 
   void SetEncodingDataInternal(VideoCodecType send_codec_type,
                                int32_t max_bit_rate,
                                uint32_t frame_rate,
                                uint32_t bit_rate,
                                uint16_t width,
                                uint16_t height,
                                int num_temporal_layers,
                                int32_t mtu)
@@ skipping 12 matching lines @@
   uint16_t codec_width_ GUARDED_BY(crit_sect_);
   uint16_t codec_height_ GUARDED_BY(crit_sect_);
   float user_frame_rate_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<FrameDropper> frame_dropper_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<VCMLossProtectionLogic> loss_prot_logic_
       GUARDED_BY(crit_sect_);
   uint8_t fraction_lost_ GUARDED_BY(crit_sect_);
   uint32_t send_statistics_[4] GUARDED_BY(crit_sect_);
   uint32_t send_statistics_zero_encode_ GUARDED_BY(crit_sect_);
   int32_t max_payload_size_ GUARDED_BY(crit_sect_);
-  int target_bit_rate_ GUARDED_BY(crit_sect_);
+  int video_target_bitrate_ GUARDED_BY(crit_sect_);
   float incoming_frame_rate_ GUARDED_BY(crit_sect_);
   int64_t incoming_frame_times_[kFrameCountHistorySize] GUARDED_BY(crit_sect_);
   bool enable_qm_ GUARDED_BY(crit_sect_);
   std::list<EncodedFrameSample> encoded_frame_samples_ GUARDED_BY(crit_sect_);
   uint32_t avg_sent_bit_rate_bps_ GUARDED_BY(crit_sect_);
   uint32_t avg_sent_framerate_ GUARDED_BY(crit_sect_);
   uint32_t key_frame_cnt_ GUARDED_BY(crit_sect_);
   uint32_t delta_frame_cnt_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<VCMContentMetricsProcessing> content_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<VCMQmResolution> qm_resolution_ GUARDED_BY(crit_sect_);
   int64_t last_qm_update_time_ GUARDED_BY(crit_sect_);
   int64_t last_change_time_ GUARDED_BY(crit_sect_);  // Content/user triggered.
   int num_layers_ GUARDED_BY(crit_sect_);
   bool suspension_enabled_ GUARDED_BY(crit_sect_);
   bool video_suspended_ GUARDED_BY(crit_sect_);
   int suspension_threshold_bps_ GUARDED_BY(crit_sect_);
   int suspension_window_bps_ GUARDED_BY(crit_sect_);
 };
 }  // namespace media_optimization
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_MEDIA_OPTIMIZATION_H_