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
57#define DEFAULT_KF_BOOST_RT 2300
58#define DEFAULT_GF_BOOST_RT 2000
67#define RT_PASSIVE_STRATEGY 0
68#define MAX_Q_HISTORY 1000
73 uint8_t superres_denom;
82} UENUM1BYTE(RATE_FACTOR_LEVEL);
93} UENUM1BYTE(FRAME_UPDATE_TYPE);
99} UENUM1BYTE(REFBUF_STATE);
109typedef enum { ORIG = 0, THREE_QUARTER = 1, ONE_HALF = 2 } RESIZE_STATE;
111#define MAX_FIRSTPASS_ANALYSIS_FRAMES 150
112typedef enum region_types {
119typedef struct regions {
122 double avg_noise_var;
123 double avg_cor_coeff;
124 double avg_sr_fr_ratio;
125 double avg_intra_err;
126 double avg_coded_err;
180 int static_scene_max_gf_interval;
187 int frames_since_key;
188 int frames_to_fwd_kf;
189 int is_src_frame_alt_ref;
193 uint64_t avg_source_sad;
194 uint64_t prev_avg_source_sad;
195 uint64_t frame_source_sad;
197 int avg_frame_bandwidth;
198 int min_frame_bandwidth;
199 int max_frame_bandwidth;
200 int prev_avg_frame_bandwidth;
205 int decimation_factor;
206 int decimation_count;
237 int avg_frame_low_motion;
240 int high_num_blocks_with_motion;
243 RESIZE_STATE resize_state;
245 int resize_buffer_underflow;
249 int rtc_external_ratectrl;
252 int frame_level_fast_extra_bits;
254 double frame_level_rate_correction_factors[RATE_FACTOR_LEVELS];
282 int gf_intervals[MAX_NUM_GF_INTERVALS];
292 REGIONS regions[MAX_FIRSTPASS_ANALYSIS_FRAMES];
294 int frames_till_regions_update;
296 int baseline_gf_interval;
298 int constrained_gf_group;
300 int this_key_frame_forced;
302 int next_key_frame_forced;
326 float_t arf_boost_factor;
331 int num_stats_used_for_kf_boost;
334 int num_stats_used_for_gfu_boost;
337 int num_stats_required_for_gfu_boost;
339 int enable_scenecut_detection;
341 int use_arf_in_this_kf_group;
356 int avg_frame_qindex[FRAME_TYPES];
358#if CONFIG_FRAME_PARALLEL_ENCODE && CONFIG_FPMT_TEST
363 int temp_active_best_quality[MAX_ARF_LAYERS + 1];
369 int temp_last_boosted_qindex;
381 int temp_last_q[FRAME_TYPES];
387 int temp_projected_frame_size;
393 int64_t temp_total_actual_bits;
399 int64_t temp_buffer_level;
405 int64_t temp_vbr_bits_off_target;
411 int64_t temp_vbr_bits_off_target_fast;
417 double temp_rate_correction_factors[RATE_FACTOR_LEVELS];
423 int temp_rate_error_estimate;
429 int temp_rolling_arf_group_target_bits;
435 int temp_rolling_arf_group_actual_bits;
441 int64_t temp_bits_left;
447 int temp_extend_minq;
453 int temp_extend_maxq;
459 int temp_extend_minq_fast;
464 int active_best_quality[MAX_ARF_LAYERS + 1];
479 int last_q[FRAME_TYPES];
485 double rate_correction_factors[RATE_FACTOR_LEVELS];
538 int q_history[MAX_Q_HISTORY];
542struct AV1EncoderConfig;
545void av1_primary_rc_init(
const struct AV1EncoderConfig *oxcf,
548void av1_rc_init(
const struct AV1EncoderConfig *oxcf,
RATE_CONTROL *rc);
550int av1_estimate_bits_at_q(FRAME_TYPE frame_kind,
int q,
int mbs,
552 const int is_screen_content_type);
556void av1_rc_init_minq_luts(
void);
558int av1_rc_get_default_min_gf_interval(
int width,
int height,
double framerate);
562int av1_rc_get_default_max_gf_interval(
double framerate,
int min_gf_interval);
584struct EncodeFrameParams;
588void av1_rc_postencode_update(
struct AV1_COMP *cpi, uint64_t bytes_used);
590void av1_rc_postencode_update_drop_frame(
struct AV1_COMP *cpi);
607 int is_encode_stage,
int width,
613int av1_rc_drop_frame(
struct AV1_COMP *cpi);
616void av1_rc_compute_frame_size_bounds(
const struct AV1_COMP *cpi,
617 int this_frame_target,
618 int *frame_under_shoot_limit,
619 int *frame_over_shoot_limit);
636 int gf_index,
int *bottom_index,
int *top_index);
651 int active_best_quality,
int active_worst_quality,
652 int width,
int height);
656int av1_rc_bits_per_mb(FRAME_TYPE frame_type,
int qindex,
658 const int is_screen_content_type);
661int av1_rc_clamp_iframe_target_size(
const struct AV1_COMP *
const cpi,
663int av1_rc_clamp_pframe_target_size(
const struct AV1_COMP *
const cpi,
664 int target, uint8_t frame_update_type);
671 int best_qindex,
int worst_qindex);
675int av1_compute_qdelta(
const RATE_CONTROL *rc,
double qstart,
double qtarget,
680int av1_compute_qdelta_by_rate(
const RATE_CONTROL *rc, FRAME_TYPE frame_type,
681 int qindex,
double rate_target_ratio,
682 const int is_screen_content_type,
685int av1_frame_type_qdelta(
const struct AV1_COMP *cpi,
int q);
687void av1_rc_update_framerate(
struct AV1_COMP *cpi,
int width,
int height);
689void av1_rc_set_gf_interval_range(
const struct AV1_COMP *
const cpi,
692void av1_set_target_rate(
struct AV1_COMP *cpi,
int width,
int height);
694int av1_resize_one_pass_cbr(
struct AV1_COMP *cpi);
696void av1_rc_set_frame_target(
struct AV1_COMP *cpi,
int target,
int width,
699void av1_adjust_gf_refresh_qp_one_pass_rt(
struct AV1_COMP *cpi);
717 const struct AV1_COMP *
const cpi, FRAME_UPDATE_TYPE frame_update_type);
743 const struct AV1_COMP *cpi, FRAME_UPDATE_TYPE frame_update_type);
774 struct EncodeFrameParams *
const frame_params,
775 unsigned int frame_flags);
804int av1_q_mode_get_q_index(
int base_q_index,
int gf_update_type,
805 int gf_pyramid_level,
int arf_q);
816int av1_get_arf_q_index(
int base_q_index,
int gfu_boost,
int bit_depth,
817 double arf_boost_factor);
819#if !CONFIG_REALTIME_ONLY
828int av1_get_arf_q_index_q_mode(
struct AV1_COMP *cpi,
829 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.
void av1_rc_update_rate_correction_factors(struct AV1_COMP *cpi, int is_encode_stage, int width, int height)
Updates the rate correction factor linking Q to output bits.
Definition: ratectrl.c:652
int av1_encodedframe_overshoot_cbr(struct AV1_COMP *cpi, int *q)
Increase q on expected encoder overshoot, for CBR mode.
Definition: ratectrl.c:3146
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:2587
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:3021
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:261
int64_t bits_off_target
Definition: ratectrl.h:521
int rate_error_estimate
Definition: ratectrl.h:505
double avg_q
Definition: ratectrl.h:474
int64_t maximum_buffer_size
Definition: ratectrl.h:318
int kf_boost
Definition: ratectrl.h:272
int64_t starting_buffer_level
Definition: ratectrl.h:308
int64_t total_actual_bits
Definition: ratectrl.h:490
int64_t vbr_bits_off_target_fast
Definition: ratectrl.h:515
int rolling_target_bits
Definition: ratectrl.h:526
int64_t buffer_level
Definition: ratectrl.h:500
int gfu_boost
Definition: ratectrl.h:277
int64_t optimal_buffer_level
Definition: ratectrl.h:313
int arf_q
Definition: ratectrl.h:323
int rolling_actual_bits
Definition: ratectrl.h:532
int last_boosted_qindex
Definition: ratectrl.h:469
int cur_gf_index
Definition: ratectrl.h:287
int64_t total_target_bits
Definition: ratectrl.h:495
int last_kf_qindex
Definition: ratectrl.h:351
int64_t gf_group_bits
Definition: ratectrl.h:267
int64_t vbr_bits_off_target
Definition: ratectrl.h:510
Rate Control parameters and status.
Definition: ratectrl.h:134
int best_quality
Definition: ratectrl.h:216
int intervals_till_gf_calculate_due
Definition: ratectrl.h:175
int this_frame_target
Definition: ratectrl.h:145
int frames_to_key
Definition: ratectrl.h:185
int base_frame_target
Definition: ratectrl.h:141
int projected_frame_size
Definition: ratectrl.h:150
int worst_quality
Definition: ratectrl.h:212
int sb64_target_rate
Definition: ratectrl.h:160
int coefficient_size
Definition: ratectrl.h:155
int active_worst_quality
Definition: ratectrl.h:233
int frames_since_golden
Definition: ratectrl.h:165
int frames_till_gf_update_due
Definition: ratectrl.h:170