/src/libvpx/vp9/encoder/vp9_aq_cyclicrefresh.h

Source (jump to first uncovered line)
/*
 *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef VPX_VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_
#define VPX_VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_

#include "vpx/vpx_integer.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/encoder/vp9_block.h"
#include "vp9/encoder/vp9_skin_detection.h"

#ifdef __cplusplus
extern "C" {
#endif

// The segment ids used in cyclic refresh: from base (no boost) to increasing
// boost (higher delta-qp).
#define CR_SEGMENT_ID_BASE 0
#define CR_SEGMENT_ID_BOOST1 1
#define CR_SEGMENT_ID_BOOST2 2

// Maximum rate target ratio for setting segment delta-qp.
#define CR_MAX_RATE_TARGET_RATIO 4.0

struct CYCLIC_REFRESH {
  // Percentage of blocks per frame that are targeted as candidates
  // for cyclic refresh.
  int percent_refresh;
  // Maximum q-delta as percentage of base q.
  int max_qdelta_perc;
  // Superblock starting index for cycling through the frame.
  int sb_index;
  // Controls how long block will need to wait to be refreshed again, in
  // excess of the cycle time, i.e., in the case of all zero motion, block
  // will be refreshed every (100/percent_refresh + time_for_refresh) frames.
  int time_for_refresh;
  // Target number of (8x8) blocks that are set for delta-q.
  int target_num_seg_blocks;
  // Actual number of (8x8) blocks that were applied delta-q.
  int actual_num_seg1_blocks;
  int actual_num_seg2_blocks;
  // RD mult. parameters for segment 1.
  int rdmult;
  // Cyclic refresh map.
  signed char *map;
  // Map of the last q a block was coded at.
  uint8_t *last_coded_q_map;
  // Thresholds applied to the projected rate/distortion of the coding block,
  // when deciding whether block should be refreshed.
  int64_t thresh_rate_sb;
  int64_t thresh_dist_sb;
  // Threshold applied to the motion vector (in units of 1/8 pel) of the
  // coding block, when deciding whether block should be refreshed.
  int16_t motion_thresh;
  // Rate target ratio to set q delta.
  double rate_ratio_qdelta;
  // Boost factor for rate target ratio, for segment CR_SEGMENT_ID_BOOST2.
  int rate_boost_fac;
  double low_content_avg;
  int qindex_delta[3];
  int reduce_refresh;
  double weight_segment;
  int apply_cyclic_refresh;
  int counter_encode_maxq_scene_change;
  int skip_flat_static_blocks;
  int content_mode;
};

struct VP9_COMP;

typedef struct CYCLIC_REFRESH CYCLIC_REFRESH;

CYCLIC_REFRESH *vp9_cyclic_refresh_alloc(int mi_rows, int mi_cols);

void vp9_cyclic_refresh_free(CYCLIC_REFRESH *cr);

// Estimate the bits, incorporating the delta-q from segment 1, after encoding
// the frame.
int vp9_cyclic_refresh_estimate_bits_at_q(const struct VP9_COMP *cpi,
                                          double correction_factor);

// Estimate the bits per mb, for a given q = i and a corresponding delta-q
// (for segment 1), prior to encoding the frame.
int vp9_cyclic_refresh_rc_bits_per_mb(const struct VP9_COMP *cpi, int i,
                                      double correction_factor);

// Prior to coding a given prediction block, of size bsize at (mi_row, mi_col),
// check if we should reset the segment_id, and update the cyclic_refresh map
// and segmentation map.
void vp9_cyclic_refresh_update_segment(struct VP9_COMP *const cpi,
                                       MODE_INFO *const mi, int mi_row,
                                       int mi_col, BLOCK_SIZE bsize,
                                       int64_t rate, int64_t dist, int skip,
                                       struct macroblock_plane *const p);

void vp9_cyclic_refresh_update_sb_postencode(struct VP9_COMP *const cpi,
                                             const MODE_INFO *const mi,
                                             int mi_row, int mi_col,
                                             BLOCK_SIZE bsize);

// From the just encoded frame: update the actual number of blocks that were
// applied the segment delta q, and the amount of low motion in the frame.
// Also check conditions for forcing golden update, or preventing golden
// update if the period is up.
void vp9_cyclic_refresh_postencode(struct VP9_COMP *const cpi);

// Set golden frame update interval, for non-svc 1 pass CBR mode.
void vp9_cyclic_refresh_set_golden_update(struct VP9_COMP *const cpi);

// Set/update global/frame level refresh parameters.
void vp9_cyclic_refresh_update_parameters(struct VP9_COMP *const cpi);

// Setup cyclic background refresh: set delta q and segmentation map.
void vp9_cyclic_refresh_setup(struct VP9_COMP *const cpi);

int vp9_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr);

void vp9_cyclic_refresh_reset_resize(struct VP9_COMP *const cpi);

static INLINE int cyclic_refresh_segment_id_boosted(int segment_id) {
  return segment_id == CR_SEGMENT_ID_BOOST1 ||
         segment_id == CR_SEGMENT_ID_BOOST2;
}

static INLINE int cyclic_refresh_segment_id(int segment_id) {
  if (segment_id == CR_SEGMENT_ID_BOOST1)
    return CR_SEGMENT_ID_BOOST1;
  else if (segment_id == CR_SEGMENT_ID_BOOST2)
    return CR_SEGMENT_ID_BOOST2;
  else
    return CR_SEGMENT_ID_BASE;
}

void vp9_cyclic_refresh_limit_q(const struct VP9_COMP *cpi, int *q);

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VPX_VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
3		*
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.
9		*/
10
11		#ifndef VPX_VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_
12		#define VPX_VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_
13
14		#include "vpx/vpx_integer.h"
15		#include "vp9/common/vp9_blockd.h"
16		#include "vp9/encoder/vp9_block.h"
17		#include "vp9/encoder/vp9_skin_detection.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	0	#define CR_SEGMENT_ID_BASE 0
26	0	#define CR_SEGMENT_ID_BOOST1 1
27	681k	#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
32		struct CYCLIC_REFRESH {
33		// Percentage of blocks per frame that are targeted as candidates
34		// for cyclic refresh.
35		int percent_refresh;
36		// Maximum q-delta as percentage of base q.
37		int max_qdelta_perc;
38		// Superblock starting index for cycling through the frame.
39		int sb_index;
40		// Controls how long block will need to wait to be refreshed again, in
41		// excess of the cycle time, i.e., in the case of all zero motion, block
42		// will be refreshed every (100/percent_refresh + time_for_refresh) frames.
43		int time_for_refresh;
44		// Target number of (8x8) blocks that are set for delta-q.
45		int target_num_seg_blocks;
46		// Actual number of (8x8) blocks that were applied delta-q.
47		int actual_num_seg1_blocks;
48		int actual_num_seg2_blocks;
49		// RD mult. parameters for segment 1.
50		int rdmult;
51		// Cyclic refresh map.
52		signed char *map;
53		// Map of the last q a block was coded at.
54		uint8_t *last_coded_q_map;
55		// Thresholds applied to the projected rate/distortion of the coding block,
56		// when deciding whether block should be refreshed.
57		int64_t thresh_rate_sb;
58		int64_t thresh_dist_sb;
59		// Threshold applied to the motion vector (in units of 1/8 pel) of the
60		// coding block, when deciding whether block should be refreshed.
61		int16_t motion_thresh;
62		// Rate target ratio to set q delta.
63		double rate_ratio_qdelta;
64		// Boost factor for rate target ratio, for segment CR_SEGMENT_ID_BOOST2.
65		int rate_boost_fac;
66		double low_content_avg;
67		int qindex_delta[3];
68		int reduce_refresh;
69		double weight_segment;
70		int apply_cyclic_refresh;
71		int counter_encode_maxq_scene_change;
72		int skip_flat_static_blocks;
73		int content_mode;
74		};
75
76		struct VP9_COMP;
77
78		typedef struct CYCLIC_REFRESH CYCLIC_REFRESH;
79
80		CYCLIC_REFRESH *vp9_cyclic_refresh_alloc(int mi_rows, int mi_cols);
81
82		void vp9_cyclic_refresh_free(CYCLIC_REFRESH *cr);
83
84		// Estimate the bits, incorporating the delta-q from segment 1, after encoding
85		// the frame.
86		int vp9_cyclic_refresh_estimate_bits_at_q(const struct VP9_COMP *cpi,
87		double correction_factor);
88
89		// Estimate the bits per mb, for a given q = i and a corresponding delta-q
90		// (for segment 1), prior to encoding the frame.
91		int vp9_cyclic_refresh_rc_bits_per_mb(const struct VP9_COMP *cpi, int i,
92		double correction_factor);
93
94		// Prior to coding a given prediction block, of size bsize at (mi_row, mi_col),
95		// check if we should reset the segment_id, and update the cyclic_refresh map
96		// and segmentation map.
97		void vp9_cyclic_refresh_update_segment(struct VP9_COMP *const cpi,
98		MODE_INFO *const mi, int mi_row,
99		int mi_col, BLOCK_SIZE bsize,
100		int64_t rate, int64_t dist, int skip,
101		struct macroblock_plane *const p);
102
103		void vp9_cyclic_refresh_update_sb_postencode(struct VP9_COMP *const cpi,
104		const MODE_INFO *const mi,
105		int mi_row, int mi_col,
106		BLOCK_SIZE bsize);
107
108		// From the just encoded frame: update the actual number of blocks that were
109		// applied the segment delta q, and the amount of low motion in the frame.
110		// Also check conditions for forcing golden update, or preventing golden
111		// update if the period is up.
112		void vp9_cyclic_refresh_postencode(struct VP9_COMP *const cpi);
113
114		// Set golden frame update interval, for non-svc 1 pass CBR mode.
115		void vp9_cyclic_refresh_set_golden_update(struct VP9_COMP *const cpi);
116
117		// Set/update global/frame level refresh parameters.
118		void vp9_cyclic_refresh_update_parameters(struct VP9_COMP *const cpi);
119
120		// Setup cyclic background refresh: set delta q and segmentation map.
121		void vp9_cyclic_refresh_setup(struct VP9_COMP *const cpi);
122
123		int vp9_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr);
124
125		void vp9_cyclic_refresh_reset_resize(struct VP9_COMP *const cpi);
126
127	0	static INLINE int cyclic_refresh_segment_id_boosted(int segment_id) {
128	0	return segment_id == CR_SEGMENT_ID_BOOST1 \|\|
129	0	segment_id == CR_SEGMENT_ID_BOOST2;
130	0	} Unexecuted instantiation: vp9_cx_iface.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_firstpass.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_mcomp.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_encoder.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_picklpf.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_quantize.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_ratectrl.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_rd.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_segmentation.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_speed_features.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_svc_layercontext.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_tokenize.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_aq_variance.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_aq_360.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_aq_cyclicrefresh.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_aq_complexity.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_alt_ref_aq.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_skin_detection.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_noise_estimate.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_ext_ratectrl.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_temporal_filter.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_tpl_model.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_mbgraph.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_bitstream.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_context_tree.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_encodeframe.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_encodemb.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_encodemv.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_ethread.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_frame_scale.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_lookahead.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_multi_thread.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_rdopt.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: vp9_pickmode.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: temporal_filter_sse4.c:cyclic_refresh_segment_id_boosted Unexecuted instantiation: highbd_temporal_filter_sse4.c:cyclic_refresh_segment_id_boosted
131
132	0	static INLINE int cyclic_refresh_segment_id(int segment_id) {
133	0	if (segment_id == CR_SEGMENT_ID_BOOST1)
134	0	return CR_SEGMENT_ID_BOOST1;
135	0	else if (segment_id == CR_SEGMENT_ID_BOOST2)
136	0	return CR_SEGMENT_ID_BOOST2;
137	0	else
138	0	return CR_SEGMENT_ID_BASE;
139	0	} Unexecuted instantiation: vp9_cx_iface.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_firstpass.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_mcomp.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_encoder.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_picklpf.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_quantize.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_ratectrl.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_rd.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_segmentation.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_speed_features.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_svc_layercontext.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_tokenize.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_aq_variance.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_aq_360.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_aq_cyclicrefresh.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_aq_complexity.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_alt_ref_aq.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_skin_detection.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_noise_estimate.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_ext_ratectrl.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_temporal_filter.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_tpl_model.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_mbgraph.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_bitstream.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_context_tree.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_encodeframe.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_encodemb.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_encodemv.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_ethread.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_frame_scale.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_lookahead.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_multi_thread.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_rdopt.c:cyclic_refresh_segment_id Unexecuted instantiation: vp9_pickmode.c:cyclic_refresh_segment_id Unexecuted instantiation: temporal_filter_sse4.c:cyclic_refresh_segment_id Unexecuted instantiation: highbd_temporal_filter_sse4.c:cyclic_refresh_segment_id
140
141		void vp9_cyclic_refresh_limit_q(const struct VP9_COMP cpi, int q);
142
143		#ifdef __cplusplus
144		} // extern "C"
145		#endif
146
147		#endif // VPX_VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_

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Created: 2024-09-06 07:53