text: /*
   *  Copyright (c) 2013 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.
   */
  
  
  #ifndef VP9_ENCODER_VP9_AQ_VARIANCE_H_
  #define VP9_ENCODER_VP9_AQ_VARIANCE_H_
  
  #include "vp9/encoder/vp9_encoder.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  unsigned int vp9_vaq_segment_id(int energy);
  double vp9_vaq_rdmult_ratio(int energy);
  double vp9_vaq_inv_q_ratio(int energy);
  
  void vp9_vaq_init();
  void vp9_vaq_frame_setup(VP9_COMP *cpi);
  
  int vp9_block_energy(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bs);
  
  #ifdef __cplusplus
  }  // extern "C"
  #endif
  
  #endif  // VP9_ENCODER_VP9_AQ_VARIANCE_H_
  