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 
12 #ifndef VP9_ENCODER_VP9_SEGMENTATION_H_
13 #define VP9_ENCODER_VP9_SEGMENTATION_H_
14 
15 #include "vp9/common/vp9_blockd.h"
16 #include "vp9/encoder/vp9_encoder.h"
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 void vp9_enable_segmentation(struct segmentation *seg);
23 void vp9_disable_segmentation(struct segmentation *seg);
24 
25 void vp9_disable_segfeature(struct segmentation *seg,
26                             int segment_id,
27                             SEG_LVL_FEATURES feature_id);
28 void vp9_clear_segdata(struct segmentation *seg,
29                        int segment_id,
30                        SEG_LVL_FEATURES feature_id);
31 
32 // The values given for each segment can be either deltas (from the default
33 // value chosen for the frame) or absolute values.
34 //
35 // Valid range for abs values is (0-127 for MB_LVL_ALT_Q), (0-63 for
36 // SEGMENT_ALT_LF)
37 // Valid range for delta values are (+/-127 for MB_LVL_ALT_Q), (+/-63 for
38 // SEGMENT_ALT_LF)
39 //
40 // abs_delta = SEGMENT_DELTADATA (deltas) abs_delta = SEGMENT_ABSDATA (use
41 // the absolute values given).
42 void vp9_set_segment_data(struct segmentation *seg, signed char *feature_data,
43                           unsigned char abs_delta);
44 
45 void vp9_choose_segmap_coding_method(VP9_COMMON *cm, MACROBLOCKD *xd);
46 
47 void vp9_reset_segment_features(struct segmentation *seg);
48 
49 #ifdef __cplusplus
50 }  // extern "C"
51 #endif
52 
53 #endif  // VP9_ENCODER_VP9_SEGMENTATION_H_
54