1 /*
2  *  Copyright (c) 2010 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_TEMPORAL_FILTER_H_
12 #define VPX_VP9_ENCODER_VP9_TEMPORAL_FILTER_H_
13 
14 #ifdef __cplusplus
15 extern "C" {
16 #endif
17 
18 #define ARNR_FILT_QINDEX 128
19 static const MV kZeroMv = { 0, 0 };
20 
21 // Block size used in temporal filtering
22 #define TF_BLOCK BLOCK_32X32
23 #define BH 32
24 #define BH_LOG2 5
25 #define BW 32
26 #define BW_LOG2 5
27 #define BLK_PELS ((BH) * (BW))  // Pixels in the block
28 #define TF_SHIFT 2
29 #define TF_ROUND 3
30 #define THR_SHIFT 2
31 #define TF_SUB_BLOCK BLOCK_16X16
32 #define SUB_BH 16
33 #define SUB_BW 16
34 
35 void vp9_temporal_filter_init(void);
36 void vp9_temporal_filter(VP9_COMP *cpi, int distance);
37 
38 void vp9_temporal_filter_iterate_row_c(VP9_COMP *cpi, ThreadData *td,
39                                        int mb_row, int mb_col_start,
40                                        int mb_col_end);
41 
42 #ifdef __cplusplus
43 }  // extern "C"
44 #endif
45 
46 #endif  // VPX_VP9_ENCODER_VP9_TEMPORAL_FILTER_H_
47