1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/common/vp9_seg_common.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,82 @@
1.4 +/*
1.5 + * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#ifndef VP9_COMMON_VP9_SEG_COMMON_H_
1.15 +#define VP9_COMMON_VP9_SEG_COMMON_H_
1.16 +
1.17 +#include "vp9/common/vp9_treecoder.h"
1.18 +
1.19 +#define SEGMENT_DELTADATA 0
1.20 +#define SEGMENT_ABSDATA 1
1.21 +
1.22 +#define MAX_SEGMENTS 8
1.23 +#define SEG_TREE_PROBS (MAX_SEGMENTS-1)
1.24 +
1.25 +#define PREDICTION_PROBS 3
1.26 +
1.27 +// Segment level features.
1.28 +typedef enum {
1.29 + SEG_LVL_ALT_Q = 0, // Use alternate Quantizer ....
1.30 + SEG_LVL_ALT_LF = 1, // Use alternate loop filter value...
1.31 + SEG_LVL_REF_FRAME = 2, // Optional Segment reference frame
1.32 + SEG_LVL_SKIP = 3, // Optional Segment (0,0) + skip mode
1.33 + SEG_LVL_MAX = 4 // Number of features supported
1.34 +} SEG_LVL_FEATURES;
1.35 +
1.36 +
1.37 +struct segmentation {
1.38 + uint8_t enabled;
1.39 + uint8_t update_map;
1.40 + uint8_t update_data;
1.41 + uint8_t abs_delta;
1.42 + uint8_t temporal_update;
1.43 +
1.44 + vp9_prob tree_probs[SEG_TREE_PROBS];
1.45 + vp9_prob pred_probs[PREDICTION_PROBS];
1.46 +
1.47 + int16_t feature_data[MAX_SEGMENTS][SEG_LVL_MAX];
1.48 + unsigned int feature_mask[MAX_SEGMENTS];
1.49 +};
1.50 +
1.51 +int vp9_segfeature_active(const struct segmentation *seg,
1.52 + int segment_id,
1.53 + SEG_LVL_FEATURES feature_id);
1.54 +
1.55 +void vp9_clearall_segfeatures(struct segmentation *seg);
1.56 +
1.57 +void vp9_enable_segfeature(struct segmentation *seg,
1.58 + int segment_id,
1.59 + SEG_LVL_FEATURES feature_id);
1.60 +
1.61 +void vp9_disable_segfeature(struct segmentation *seg,
1.62 + int segment_id,
1.63 + SEG_LVL_FEATURES feature_id);
1.64 +
1.65 +int vp9_seg_feature_data_max(SEG_LVL_FEATURES feature_id);
1.66 +
1.67 +int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id);
1.68 +
1.69 +void vp9_clear_segdata(struct segmentation *seg,
1.70 + int segment_id,
1.71 + SEG_LVL_FEATURES feature_id);
1.72 +
1.73 +void vp9_set_segdata(struct segmentation *seg,
1.74 + int segment_id,
1.75 + SEG_LVL_FEATURES feature_id,
1.76 + int seg_data);
1.77 +
1.78 +int vp9_get_segdata(const struct segmentation *seg,
1.79 + int segment_id,
1.80 + SEG_LVL_FEATURES feature_id);
1.81 +
1.82 +extern const vp9_tree_index vp9_segment_tree[TREE_SIZE(MAX_SEGMENTS)];
1.83 +
1.84 +#endif // VP9_COMMON_VP9_SEG_COMMON_H_
1.85 +
