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
20extern "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
73 int rdmult;
81 int8_t *map;
109
111 int qindex_delta[3];
112 double weight_segment;
113 int apply_cyclic_refresh;
115};
116
117struct AV1_COMP;
118
119typedef struct CYCLIC_REFRESH CYCLIC_REFRESH;
120
121CYCLIC_REFRESH *av1_cyclic_refresh_alloc(int mi_rows, int mi_cols);
122
123void av1_cyclic_refresh_free(CYCLIC_REFRESH *cr);
124
140int av1_cyclic_refresh_estimate_bits_at_q(const struct AV1_COMP *cpi,
141 double correction_factor);
142
161int av1_cyclic_refresh_rc_bits_per_mb(const struct AV1_COMP *cpi, int i,
162 double correction_factor);
163
184void av1_cyclic_reset_segment_skip(const struct AV1_COMP *cpi,
185 MACROBLOCK *const x, int mi_row, int mi_col,
186 BLOCK_SIZE bsize);
187
212void av1_cyclic_refresh_update_segment(const struct AV1_COMP *cpi,
213 MACROBLOCK *const x, int mi_row,
214 int mi_col, BLOCK_SIZE bsize,
215 int64_t rate, int64_t dist, int skip,
216 RUN_TYPE dry_run);
217
233
251 CYCLIC_REFRESH *const cyclic_refresh, const MACROBLOCK *const x);
252
266void av1_cyclic_refresh_postencode(struct AV1_COMP *const cpi);
267
278void av1_cyclic_refresh_set_golden_update(struct AV1_COMP *const cpi);
279
295void av1_cyclic_refresh_update_parameters(struct AV1_COMP *const cpi);
296
310void av1_cyclic_refresh_setup(struct AV1_COMP *const cpi);
311
312int av1_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr);
313
314void av1_cyclic_refresh_reset_resize(struct AV1_COMP *const cpi);
315
316static INLINE int cyclic_refresh_segment_id_boosted(int segment_id) {
317 return segment_id == CR_SEGMENT_ID_BOOST1 ||
318 segment_id == CR_SEGMENT_ID_BOOST2;
319}
320
321static INLINE int cyclic_refresh_segment_id(int segment_id) {
322 if (segment_id == CR_SEGMENT_ID_BOOST1)
323 return CR_SEGMENT_ID_BOOST1;
324 else if (segment_id == CR_SEGMENT_ID_BOOST2)
325 return CR_SEGMENT_ID_BOOST2;
326 else
327 return CR_SEGMENT_ID_BASE;
328}
329
330#ifdef __cplusplus
331} // extern "C"
332#endif
333
334#endif // AOM_AV1_ENCODER_AQ_CYCLICREFRESH_H_
void av1_cyclic_refresh_postencode(struct AV1_COMP *const cpi)
Update stats after encoding frame.
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.
void av1_cyclic_refresh_update_parameters(struct AV1_COMP *const cpi)
Set the global/frame level parameters for cyclic refresh.
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.
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.
void av1_accumulate_cyclic_refresh_counters(CYCLIC_REFRESH *const cyclic_refresh, const MACROBLOCK *const x)
Accumulate cyclic refresh counters.
void av1_cyclic_refresh_set_golden_update(struct AV1_COMP *const cpi)
Set golden frame update interval nased on cyclic refresh.
void av1_init_cyclic_refresh_counters(MACROBLOCK *const x)
Initialize counters used for cyclic refresh.
void av1_cyclic_reset_segment_skip(const struct AV1_COMP *cpi, MACROBLOCK *const x, int mi_row, int mi_col, BLOCK_SIZE bsize)
Update segment_id for blocks are skipped.
void av1_cyclic_refresh_setup(struct AV1_COMP *const cpi)
Setup the cyclic background refresh.
The stucture of CYCLIC_REFRESH.
Definition aq_cyclicrefresh.h:36
int16_t motion_thresh
Definition aq_cyclicrefresh.h:100
int64_t thresh_rate_sb
Definition aq_cyclicrefresh.h:90
int time_for_refresh
Definition aq_cyclicrefresh.h:55
int rdmult
Definition aq_cyclicrefresh.h:73
int max_qdelta_perc
Definition aq_cyclicrefresh.h:45
int8_t * map
Definition aq_cyclicrefresh.h:81
int cnt_zeromv
Definition aq_cyclicrefresh.h:77
int64_t thresh_dist_sb
Definition aq_cyclicrefresh.h:95
int actual_num_seg2_blocks
Definition aq_cyclicrefresh.h:69
int target_num_seg_blocks
Definition aq_cyclicrefresh.h:59
int sb_index
Definition aq_cyclicrefresh.h:49
uint8_t * last_coded_q_map
Definition aq_cyclicrefresh.h:85
int rate_boost_fac
Definition aq_cyclicrefresh.h:108
int percent_refresh
Definition aq_cyclicrefresh.h:41
int actual_num_seg1_blocks
Definition aq_cyclicrefresh.h:64
double rate_ratio_qdelta
Definition aq_cyclicrefresh.h:104
Encoder's parameters related to the current coding block.
Definition block.h:854