85 строки
2.6 KiB
C
85 строки
2.6 KiB
C
/*
|
|
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
|
|
*
|
|
* This source code is subject to the terms of the BSD 2 Clause License and
|
|
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
|
|
* was not distributed with this source code in the LICENSE file, you can
|
|
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
|
|
* Media Patent License 1.0 was not distributed with this source code in the
|
|
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
|
|
*/
|
|
|
|
#ifndef AV1_COMMON_SEG_COMMON_H_
|
|
#define AV1_COMMON_SEG_COMMON_H_
|
|
|
|
#include "aom_dsp/prob.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define SEGMENT_DELTADATA 0
|
|
#define SEGMENT_ABSDATA 1
|
|
|
|
#define MAX_SEGMENTS 8
|
|
#define SEG_TREE_PROBS (MAX_SEGMENTS - 1)
|
|
|
|
#define PREDICTION_PROBS 3
|
|
|
|
// Segment level features.
|
|
typedef enum {
|
|
SEG_LVL_ALT_Q = 0, // Use alternate Quantizer ....
|
|
SEG_LVL_ALT_LF = 1, // Use alternate loop filter value...
|
|
SEG_LVL_REF_FRAME = 2, // Optional Segment reference frame
|
|
SEG_LVL_SKIP = 3, // Optional Segment (0,0) + skip mode
|
|
SEG_LVL_MAX = 4 // Number of features supported
|
|
} SEG_LVL_FEATURES;
|
|
|
|
struct segmentation {
|
|
uint8_t enabled;
|
|
uint8_t update_map;
|
|
uint8_t update_data;
|
|
uint8_t abs_delta;
|
|
uint8_t temporal_update;
|
|
|
|
int16_t feature_data[MAX_SEGMENTS][SEG_LVL_MAX];
|
|
unsigned int feature_mask[MAX_SEGMENTS];
|
|
};
|
|
|
|
struct segmentation_probs {
|
|
aom_prob tree_probs[SEG_TREE_PROBS];
|
|
aom_cdf_prob tree_cdf[CDF_SIZE(MAX_SEGMENTS)];
|
|
aom_prob pred_probs[PREDICTION_PROBS];
|
|
};
|
|
|
|
static INLINE int segfeature_active(const struct segmentation *seg,
|
|
int segment_id,
|
|
SEG_LVL_FEATURES feature_id) {
|
|
return seg->enabled && (seg->feature_mask[segment_id] & (1 << feature_id));
|
|
}
|
|
|
|
void av1_clearall_segfeatures(struct segmentation *seg);
|
|
|
|
void av1_enable_segfeature(struct segmentation *seg, int segment_id,
|
|
SEG_LVL_FEATURES feature_id);
|
|
|
|
int av1_seg_feature_data_max(SEG_LVL_FEATURES feature_id);
|
|
|
|
int av1_is_segfeature_signed(SEG_LVL_FEATURES feature_id);
|
|
|
|
void av1_set_segdata(struct segmentation *seg, int segment_id,
|
|
SEG_LVL_FEATURES feature_id, int seg_data);
|
|
|
|
static INLINE int get_segdata(const struct segmentation *seg, int segment_id,
|
|
SEG_LVL_FEATURES feature_id) {
|
|
return seg->feature_data[segment_id][feature_id];
|
|
}
|
|
|
|
extern const aom_tree_index av1_segment_tree[TREE_SIZE(MAX_SEGMENTS)];
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // AV1_COMMON_SEG_COMMON_H_
|