1 /*
2  *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef VPX_VP9_ENCODER_VP9_AQ_VARIANCE_H_
12 #define VPX_VP9_ENCODER_VP9_AQ_VARIANCE_H_
13 
14 #include "vp9/encoder/vp9_encoder.h"
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
20 unsigned int vp9_vaq_segment_id(int energy);
21 void vp9_vaq_frame_setup(VP9_COMP *cpi);
22 
23 void vp9_get_sub_block_energy(VP9_COMP *cpi, MACROBLOCK *mb, int mi_row,
24                               int mi_col, BLOCK_SIZE bsize, int *min_e,
25                               int *max_e);
26 int vp9_block_energy(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bs);
27 
28 double vp9_log_block_var(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bs);
29 
30 #ifdef __cplusplus
31 }  // extern "C"
32 #endif
33 
34 #endif  // VPX_VP9_ENCODER_VP9_AQ_VARIANCE_H_
35