2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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.
11 #ifndef VP9_COMMON_VP9_SEG_COMMON_H_
12 #define VP9_COMMON_VP9_SEG_COMMON_H_
14 #include "vp9/common/vp9_prob.h"
16 #define SEGMENT_DELTADATA 0
17 #define SEGMENT_ABSDATA 1
19 #define MAX_SEGMENTS 8
20 #define SEG_TREE_PROBS (MAX_SEGMENTS-1)
22 #define PREDICTION_PROBS 3
24 // Segment level features.
26 SEG_LVL_ALT_Q = 0, // Use alternate Quantizer ....
27 SEG_LVL_ALT_LF = 1, // Use alternate loop filter value...
28 SEG_LVL_REF_FRAME = 2, // Optional Segment reference frame
29 SEG_LVL_SKIP = 3, // Optional Segment (0,0) + skip mode
30 SEG_LVL_MAX = 4 // Number of features supported
39 uint8_t temporal_update;
41 vp9_prob tree_probs[SEG_TREE_PROBS];
42 vp9_prob pred_probs[PREDICTION_PROBS];
44 int16_t feature_data[MAX_SEGMENTS][SEG_LVL_MAX];
45 unsigned int feature_mask[MAX_SEGMENTS];
48 int vp9_segfeature_active(const struct segmentation *seg,
50 SEG_LVL_FEATURES feature_id);
52 void vp9_clearall_segfeatures(struct segmentation *seg);
54 void vp9_enable_segfeature(struct segmentation *seg,
56 SEG_LVL_FEATURES feature_id);
58 int vp9_seg_feature_data_max(SEG_LVL_FEATURES feature_id);
60 int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id);
62 void vp9_set_segdata(struct segmentation *seg,
64 SEG_LVL_FEATURES feature_id,
67 int vp9_get_segdata(const struct segmentation *seg,
69 SEG_LVL_FEATURES feature_id);
71 extern const vp9_tree_index vp9_segment_tree[TREE_SIZE(MAX_SEGMENTS)];
73 #endif // VP9_COMMON_VP9_SEG_COMMON_H_