12#ifndef AOM_AV1_ENCODER_RATECTRL_H_
13#define AOM_AV1_ENCODER_RATECTRL_H_
16#include "aom/aom_integer.h"
18#include "aom_ports/mem.h"
20#include "av1/common/av1_common_int.h"
21#include "av1/common/blockd.h"
30#define BPER_MB_NORMBITS 9
33#define USE_ALTREF_FOR_ONE_PASS 1
38#define STATIC_KF_GROUP_THRESH 99
39#define STATIC_KF_GROUP_FLOAT_THRESH 0.99
42#define MAX_STATIC_GF_GROUP_LENGTH 250
44#define MIN_GF_INTERVAL 4
45#define MAX_GF_INTERVAL 32
46#define FIXED_GF_INTERVAL 16
47#define MAX_GF_LENGTH_LAP 16
49#define FIXED_GF_INTERVAL_RT 80
50#define MAX_GF_INTERVAL_RT 160
52#define MAX_NUM_GF_INTERVALS 15
54#define MAX_ARF_LAYERS 6
60 uint8_t superres_denom;
69} UENUM1BYTE(RATE_FACTOR_LEVEL);
80} UENUM1BYTE(FRAME_UPDATE_TYPE);
86} UENUM1BYTE(REFBUF_STATE);
96typedef enum { ORIG = 0, THREE_QUARTER = 1, ONE_HALF = 2 } RESIZE_STATE;
98#define MAX_FIRSTPASS_ANALYSIS_FRAMES 150
99typedef enum region_types {
106typedef struct regions {
109 double avg_noise_var;
110 double avg_cor_coeff;
111 double avg_sr_fr_ratio;
112 double avg_intra_err;
113 double avg_coded_err;
167 int static_scene_max_gf_interval;
174 int frames_since_key;
175 int frames_to_fwd_kf;
176 int is_src_frame_alt_ref;
180 uint64_t avg_source_sad;
181 uint64_t prev_avg_source_sad;
183 int avg_frame_bandwidth;
184 int min_frame_bandwidth;
185 int max_frame_bandwidth;
186 int prev_avg_frame_bandwidth;
191 int decimation_factor;
192 int decimation_count;
223 int avg_frame_low_motion;
226 RESIZE_STATE resize_state;
228 int resize_buffer_underflow;
232 int rtc_external_ratectrl;
233#if CONFIG_FRAME_PARALLEL_ENCODE
234 int frame_level_fast_extra_bits;
235 double frame_level_rate_correction_factors[RATE_FACTOR_LEVELS];
264 int gf_intervals[MAX_NUM_GF_INTERVALS];
274 REGIONS regions[MAX_FIRSTPASS_ANALYSIS_FRAMES];
276 int frames_till_regions_update;
278 int baseline_gf_interval;
280 int constrained_gf_group;
282 int this_key_frame_forced;
284 int next_key_frame_forced;
308 float_t arf_boost_factor;
313 int num_stats_used_for_kf_boost;
316 int num_stats_used_for_gfu_boost;
319 int num_stats_required_for_gfu_boost;
321 int enable_scenecut_detection;
323 int use_arf_in_this_kf_group;
338 int avg_frame_qindex[FRAME_TYPES];
340#if CONFIG_FRAME_PARALLEL_ENCODE && CONFIG_FPMT_TEST
345 int temp_active_best_quality[MAX_ARF_LAYERS + 1];
351 int temp_last_boosted_qindex;
363 int temp_last_q[FRAME_TYPES];
369 int temp_projected_frame_size;
375 int64_t temp_total_actual_bits;
381 int64_t temp_buffer_level;
387 int64_t temp_vbr_bits_off_target;
393 int64_t temp_vbr_bits_off_target_fast;
399 double temp_rate_correction_factors[RATE_FACTOR_LEVELS];
405 int temp_rate_error_estimate;
411 int temp_rolling_arf_group_target_bits;
417 int temp_rolling_arf_group_actual_bits;
423 int64_t temp_bits_left;
429 int temp_extend_minq;
435 int temp_extend_maxq;
441 int temp_extend_minq_fast;
446 int active_best_quality[MAX_ARF_LAYERS + 1];
461 int last_q[FRAME_TYPES];
467 double rate_correction_factors[RATE_FACTOR_LEVELS];
518struct AV1EncoderConfig;
521void av1_primary_rc_init(
const struct AV1EncoderConfig *oxcf,
524void av1_rc_init(
const struct AV1EncoderConfig *oxcf,
RATE_CONTROL *rc);
526int av1_estimate_bits_at_q(FRAME_TYPE frame_kind,
int q,
int mbs,
528 const int is_screen_content_type);
532void av1_rc_init_minq_luts(
void);
534int av1_rc_get_default_min_gf_interval(
int width,
int height,
double framerate);
538int av1_rc_get_default_max_gf_interval(
double framerate,
int min_gf_interval);
560struct EncodeFrameParams;
564void av1_rc_postencode_update(
struct AV1_COMP *cpi, uint64_t bytes_used);
566void av1_rc_postencode_update_drop_frame(
struct AV1_COMP *cpi);
582#
if CONFIG_FRAME_PARALLEL_ENCODE
585 int width,
int height);
590int av1_rc_drop_frame(
struct AV1_COMP *cpi);
593void av1_rc_compute_frame_size_bounds(
const struct AV1_COMP *cpi,
594 int this_frame_target,
595 int *frame_under_shoot_limit,
596 int *frame_over_shoot_limit);
613 int gf_index,
int *bottom_index,
int *top_index);
628 int active_best_quality,
int active_worst_quality,
629 int width,
int height);
633int av1_rc_bits_per_mb(FRAME_TYPE frame_type,
int qindex,
635 const int is_screen_content_type);
638int av1_rc_clamp_iframe_target_size(
const struct AV1_COMP *
const cpi,
640int av1_rc_clamp_pframe_target_size(
const struct AV1_COMP *
const cpi,
641 int target, uint8_t frame_update_type);
648 int best_qindex,
int worst_qindex);
652int av1_compute_qdelta(
const RATE_CONTROL *rc,
double qstart,
double qtarget,
657int av1_compute_qdelta_by_rate(
const RATE_CONTROL *rc, FRAME_TYPE frame_type,
658 int qindex,
double rate_target_ratio,
659 const int is_screen_content_type,
662int av1_frame_type_qdelta(
const struct AV1_COMP *cpi,
int q);
664void av1_rc_update_framerate(
struct AV1_COMP *cpi,
int width,
int height);
666void av1_rc_set_gf_interval_range(
const struct AV1_COMP *
const cpi,
669void av1_set_target_rate(
struct AV1_COMP *cpi,
int width,
int height);
671int av1_resize_one_pass_cbr(
struct AV1_COMP *cpi);
673void av1_rc_set_frame_target(
struct AV1_COMP *cpi,
int target,
int width,
676void av1_adjust_gf_refresh_qp_one_pass_rt(
struct AV1_COMP *cpi);
694 const struct AV1_COMP *
const cpi, FRAME_UPDATE_TYPE frame_update_type);
720 const struct AV1_COMP *cpi, FRAME_UPDATE_TYPE frame_update_type);
751 struct EncodeFrameParams *
const frame_params,
752 unsigned int frame_flags);
770#if !CONFIG_REALTIME_ONLY
782void av1_q_mode_compute_gop_q_indices(
int gf_frame_index,
int base_q_index,
783 const double *qstep_ratio_list,
800int av1_q_mode_get_q_index(
int base_q_index,
int gf_update_type,
801 int gf_pyramid_level,
int arf_q);
812int av1_get_arf_q_index(
int base_q_index,
int gfu_boost,
int bit_depth,
813 double arf_boost_factor);
815#if !CONFIG_REALTIME_ONLY
824int av1_get_arf_q_index_q_mode(
struct AV1_COMP *cpi,
825 struct TplDepFrame *tpl_frame);
Describes the codec algorithm interface to applications.
enum aom_bit_depth aom_bit_depth_t
Bit depth for codecThis enumeration determines the bit depth of the codec.
int av1_calc_pframe_target_size_one_pass_vbr(const struct AV1_COMP *const cpi, FRAME_UPDATE_TYPE frame_update_type)
Calculates how many bits to use for a P frame in one pass vbr.
int av1_encodedframe_overshoot_cbr(struct AV1_COMP *cpi, int *q)
Increase q on expected encoder overshoot, for CBR mode.
Definition ratectrl.c:3044
int av1_calc_pframe_target_size_one_pass_cbr(const struct AV1_COMP *cpi, FRAME_UPDATE_TYPE frame_update_type)
Calculates how many bits to use for a P frame in one pass cbr.
void av1_set_reference_structure_one_pass_rt(AV1_COMP *cpi, int gf_update)
Setup the reference prediction structure for 1 pass real-time.
Definition ratectrl.c:2556
int av1_rc_pick_q_and_bounds(const struct AV1_COMP *cpi, int width, int height, int gf_index, int *bottom_index, int *top_index)
Picks q and q bounds given the rate control parameters in cpi->rc.
int av1_calc_iframe_target_size_one_pass_cbr(const struct AV1_COMP *cpi)
Calculates how many bits to use for an i frame in one pass cbr.
int av1_calc_iframe_target_size_one_pass_vbr(const struct AV1_COMP *const cpi)
Calculates how many bits to use for an i frame in one pass vbr.
int av1_rc_regulate_q(const struct AV1_COMP *cpi, int target_bits_per_frame, int active_best_quality, int active_worst_quality, int width, int height)
Estimates q to achieve a target bits per frame.
void av1_get_one_pass_rt_params(struct AV1_COMP *cpi, struct EncodeFrameParams *const frame_params, unsigned int frame_flags)
Setup the rate control parameters for 1 pass real-time mode.
Definition ratectrl.c:2938
void av1_rc_update_rate_correction_factors(struct AV1_COMP *cpi, int width, int height)
Updates the rate correction factor linking Q to output bits.
Definition ratectrl.c:648
Data related to the current GF/ARF group and the individual frames within the group.
Definition firstpass.h:344
Primary Rate Control parameters and status.
Definition ratectrl.h:243
int64_t bits_off_target
Definition ratectrl.h:503
int rate_error_estimate
Definition ratectrl.h:487
double avg_q
Definition ratectrl.h:456
int64_t maximum_buffer_size
Definition ratectrl.h:300
int kf_boost
Definition ratectrl.h:254
int64_t starting_buffer_level
Definition ratectrl.h:290
int64_t total_actual_bits
Definition ratectrl.h:472
int64_t vbr_bits_off_target_fast
Definition ratectrl.h:497
int rolling_target_bits
Definition ratectrl.h:508
int64_t buffer_level
Definition ratectrl.h:482
int gfu_boost
Definition ratectrl.h:259
int64_t optimal_buffer_level
Definition ratectrl.h:295
int arf_q
Definition ratectrl.h:305
int rolling_actual_bits
Definition ratectrl.h:514
int last_boosted_qindex
Definition ratectrl.h:451
int cur_gf_index
Definition ratectrl.h:269
int64_t total_target_bits
Definition ratectrl.h:477
int last_kf_qindex
Definition ratectrl.h:333
int64_t gf_group_bits
Definition ratectrl.h:249
int64_t vbr_bits_off_target
Definition ratectrl.h:492
Rate Control parameters and status.
Definition ratectrl.h:121
int best_quality
Definition ratectrl.h:202
int intervals_till_gf_calculate_due
Definition ratectrl.h:162
int this_frame_target
Definition ratectrl.h:132
int frames_to_key
Definition ratectrl.h:172
int base_frame_target
Definition ratectrl.h:128
int projected_frame_size
Definition ratectrl.h:137
int worst_quality
Definition ratectrl.h:198
int sb64_target_rate
Definition ratectrl.h:147
int coefficient_size
Definition ratectrl.h:142
int active_worst_quality
Definition ratectrl.h:219
int frames_since_golden
Definition ratectrl.h:152
int frames_till_gf_update_due
Definition ratectrl.h:157