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_onyx_int.h"
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22void vp9_enable_segmentation(struct segmentation *seg);
23void vp9_disable_segmentation(struct segmentation *seg);
24
25void vp9_disable_segfeature(struct segmentation *seg,
26                            int segment_id,
27                            SEG_LVL_FEATURES feature_id);
28void vp9_clear_segdata(struct segmentation *seg,
29                       int segment_id,
30                       SEG_LVL_FEATURES feature_id);
31// Valid values for a segment are 0 to 3
32// Segmentation map is arrange as [Rows][Columns]
33void vp9_set_segmentation_map(VP9_COMP *cpi, unsigned char *segmentation_map);
34
35// The values given for each segment can be either deltas (from the default
36// value chosen for the frame) or absolute values.
37//
38// Valid range for abs values is (0-127 for MB_LVL_ALT_Q), (0-63 for
39// SEGMENT_ALT_LF)
40// Valid range for delta values are (+/-127 for MB_LVL_ALT_Q), (+/-63 for
41// SEGMENT_ALT_LF)
42//
43// abs_delta = SEGMENT_DELTADATA (deltas) abs_delta = SEGMENT_ABSDATA (use
44// the absolute values given).
45void vp9_set_segment_data(struct segmentation *seg, signed char *feature_data,
46                          unsigned char abs_delta);
47
48void vp9_choose_segmap_coding_method(VP9_COMP *cpi);
49
50void vp9_reset_segment_features(struct segmentation *seg);
51
52#ifdef __cplusplus
53}  // extern "C"
54#endif
55
56#endif  // VP9_ENCODER_VP9_SEGMENTATION_H_
57