libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_ratectrl.h

 /*
  *  Copyright (c) 2010 The WebM 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 69 matching lines @@
 
   int decimation_factor;
   int decimation_count;
 
   int rolling_target_bits;
   int rolling_actual_bits;
 
   int long_rolling_target_bits;
   int long_rolling_actual_bits;
 
+  int rate_error_estimate;
+
   int64_t total_actual_bits;
   int64_t total_target_bits;
   int64_t total_target_vs_actual;
 
   int worst_quality;
   int best_quality;
 
   int64_t starting_buffer_level;
   int64_t optimal_buffer_level;
   int64_t maximum_buffer_size;
@@ skipping 94 matching lines @@
 void vp9_rc_update_framerate(struct VP9_COMP *cpi);
 
 void vp9_rc_set_gf_max_interval(const struct VP9_COMP *const cpi,
                                 RATE_CONTROL *const rc);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // VP9_ENCODER_VP9_RATECTRL_H_