| AOMedia AV1 Codec

aq_cyclicrefresh.h
1/*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12#ifndef AOM_AV1_ENCODER_AQ_CYCLICREFRESH_H_
13#define AOM_AV1_ENCODER_AQ_CYCLICREFRESH_H_
14
15#include "av1/common/blockd.h"
16#include "av1/encoder/block.h"
17#include "av1/encoder/tokenize.h"
18
19#ifdef __cplusplus
20 extern "C" {
21#endif
22
23// The segment ids used in cyclic refresh: from base (no boost) to increasing
24// boost (higher delta-qp).
25#define CR_SEGMENT_ID_BASE 0
26#define CR_SEGMENT_ID_BOOST1 1
27#define CR_SEGMENT_ID_BOOST2 2
28
29// Maximum rate target ratio for setting segment delta-qp.
30#define CR_MAX_RATE_TARGET_RATIO 4.0
31
36 struct CYCLIC_REFRESH {
41 int percent_refresh;
42
46 int percent_refresh_adjustment;
47
51 int max_qdelta_perc;
55 int sb_index;
59 int last_sb_index;
65 int time_for_refresh;
69 int target_num_seg_blocks;
74 int actual_num_seg1_blocks;
79 int actual_num_seg2_blocks;
83 int rdmult;
87 int8_t *map;
92 int64_t thresh_rate_sb;
97 int64_t thresh_dist_sb;
102 int16_t motion_thresh;
106 double rate_ratio_qdelta;
107
111 double rate_ratio_qdelta_adjustment;
112
116 int rate_boost_fac;
117
119 int qindex_delta[3];
120 int apply_cyclic_refresh;
121 int skip_over4x4;
122 int counter_encode_maxq_scene_change;
123 int use_block_sad_scene_det;
125};
126
127 struct AV1_COMP;
128
129 typedef struct CYCLIC_REFRESH CYCLIC_REFRESH;
130
131 CYCLIC_REFRESH *av1_cyclic_refresh_alloc(int mi_rows, int mi_cols);
132
133 void av1_cyclic_refresh_free(CYCLIC_REFRESH *cr);
134
150 int av1_cyclic_refresh_estimate_bits_at_q(const struct AV1_COMP *cpi,
151 double correction_factor);
152
171 int av1_cyclic_refresh_rc_bits_per_mb(const struct AV1_COMP *cpi, int i,
172 double correction_factor);
173
195
196 void av1_cyclic_reset_segment_skip(const struct AV1_COMP *cpi,
197 MACROBLOCK *const x, int mi_row, int mi_col,
198 BLOCK_SIZE bsize, RUN_TYPE dry_run);
199
224 void av1_cyclic_refresh_update_segment(const struct AV1_COMP *cpi,
225 MACROBLOCK *const x, int mi_row,
226 int mi_col, BLOCK_SIZE bsize,
227 int64_t rate, int64_t dist, int skip,
228 RUN_TYPE dry_run);
229
244 void av1_init_cyclic_refresh_counters(MACROBLOCK *const x);
245
261 void av1_accumulate_cyclic_refresh_counters(
262 CYCLIC_REFRESH *const cyclic_refresh, const MACROBLOCK *const x);
263
274 void av1_cyclic_refresh_set_golden_update(struct AV1_COMP *const cpi);
275
291 void av1_cyclic_refresh_update_parameters(struct AV1_COMP *const cpi);
292
306 void av1_cyclic_refresh_setup(struct AV1_COMP *const cpi);
307
308 int av1_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr);
309
310 int av1_cyclic_refresh_disable_lf_cdef(struct AV1_COMP *const cpi);
311
312 static inline int cyclic_refresh_segment_id_boosted(int segment_id) {
313 return segment_id == CR_SEGMENT_ID_BOOST1 ||
314 segment_id == CR_SEGMENT_ID_BOOST2;
315}
316
317 static inline int cyclic_refresh_segment_id(int segment_id) {
318 if (segment_id == CR_SEGMENT_ID_BOOST1)
319 return CR_SEGMENT_ID_BOOST1;
320 else if (segment_id == CR_SEGMENT_ID_BOOST2)
321 return CR_SEGMENT_ID_BOOST2;
322 else
323 return CR_SEGMENT_ID_BASE;
324}
325
326#ifdef __cplusplus
327} // extern "C"
328#endif
329
330#endif // AOM_AV1_ENCODER_AQ_CYCLICREFRESH_H_
block.h
MACROBLOCK
struct macroblock MACROBLOCK
Encoder's parameters related to the current coding block.
av1_cyclic_refresh_rc_bits_per_mb
int av1_cyclic_refresh_rc_bits_per_mb(const struct AV1_COMP *cpi, int i, double correction_factor)
Estimate the bits per mb, for given q = i and delta-q.
av1_cyclic_refresh_update_parameters
void av1_cyclic_refresh_update_parameters(struct AV1_COMP *const cpi)
Set the global/frame level parameters for cyclic refresh.
av1_cyclic_refresh_update_segment
void av1_cyclic_refresh_update_segment(const struct AV1_COMP *cpi, MACROBLOCK *const x, int mi_row, int mi_col, BLOCK_SIZE bsize, int64_t rate, int64_t dist, int skip, RUN_TYPE dry_run)
Update segment_id for block based on mode selected.
av1_cyclic_refresh_estimate_bits_at_q
int av1_cyclic_refresh_estimate_bits_at_q(const struct AV1_COMP *cpi, double correction_factor)
Estimate the bits, incorporating the delta-q from the segments.
av1_cyclic_reset_segment_skip
void av1_cyclic_reset_segment_skip(const struct AV1_COMP *cpi, MACROBLOCK *const x, int mi_row, int mi_col, BLOCK_SIZE bsize, RUN_TYPE dry_run)
Update segment_id for blocks are skipped.
av1_accumulate_cyclic_refresh_counters
void av1_accumulate_cyclic_refresh_counters(CYCLIC_REFRESH *const cyclic_refresh, const MACROBLOCK *const x)
Accumulate cyclic refresh counters.
av1_cyclic_refresh_set_golden_update
void av1_cyclic_refresh_set_golden_update(struct AV1_COMP *const cpi)
Set golden frame update interval nased on cyclic refresh.
av1_init_cyclic_refresh_counters
void av1_init_cyclic_refresh_counters(MACROBLOCK *const x)
Initialize counters used for cyclic refresh.
av1_cyclic_refresh_setup
void av1_cyclic_refresh_setup(struct AV1_COMP *const cpi)
Setup the cyclic background refresh.
AV1_COMP
Top level encoder structure.
Definition encoder.h:2896
CYCLIC_REFRESH
The stucture of CYCLIC_REFRESH.
Definition aq_cyclicrefresh.h:36
CYCLIC_REFRESH::motion_thresh
int16_t motion_thresh
Definition aq_cyclicrefresh.h:102
CYCLIC_REFRESH::thresh_rate_sb
int64_t thresh_rate_sb
Definition aq_cyclicrefresh.h:92
CYCLIC_REFRESH::time_for_refresh
int time_for_refresh
Definition aq_cyclicrefresh.h:65
CYCLIC_REFRESH::rdmult
int rdmult
Definition aq_cyclicrefresh.h:83
CYCLIC_REFRESH::max_qdelta_perc
int max_qdelta_perc
Definition aq_cyclicrefresh.h:51
CYCLIC_REFRESH::map
int8_t * map
Definition aq_cyclicrefresh.h:87
CYCLIC_REFRESH::thresh_dist_sb
int64_t thresh_dist_sb
Definition aq_cyclicrefresh.h:97
CYCLIC_REFRESH::actual_num_seg2_blocks
int actual_num_seg2_blocks
Definition aq_cyclicrefresh.h:79
CYCLIC_REFRESH::rate_ratio_qdelta_adjustment
double rate_ratio_qdelta_adjustment
Definition aq_cyclicrefresh.h:111
CYCLIC_REFRESH::last_sb_index
int last_sb_index
Definition aq_cyclicrefresh.h:59
CYCLIC_REFRESH::target_num_seg_blocks
int target_num_seg_blocks
Definition aq_cyclicrefresh.h:69
CYCLIC_REFRESH::sb_index
int sb_index
Definition aq_cyclicrefresh.h:55
CYCLIC_REFRESH::percent_refresh_adjustment
int percent_refresh_adjustment
Definition aq_cyclicrefresh.h:46
CYCLIC_REFRESH::rate_boost_fac
int rate_boost_fac
Definition aq_cyclicrefresh.h:116
CYCLIC_REFRESH::percent_refresh
int percent_refresh
Definition aq_cyclicrefresh.h:41
CYCLIC_REFRESH::actual_num_seg1_blocks
int actual_num_seg1_blocks
Definition aq_cyclicrefresh.h:74
CYCLIC_REFRESH::rate_ratio_qdelta
double rate_ratio_qdelta
Definition aq_cyclicrefresh.h:106