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);
109 typedef enum { ORIG = 0, THREE_QUARTER = 1, ONE_HALF = 2 } RESIZE_STATE;
111 #define MAX_FIRSTPASS_ANALYSIS_FRAMES 150
112 typedef enum region_types {
119 typedef 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;
207 int prev_frame_is_dropped;
208 int drop_count_consec;
215 unsigned int frame_number_encoded;
246 int avg_frame_low_motion;
250 int percent_blocks_with_motion;
253 uint64_t max_block_source_sad;
256 RESIZE_STATE resize_state;
258 int resize_buffer_underflow;
262 int rtc_external_ratectrl;
265 int frame_level_fast_extra_bits;
267 double frame_level_rate_correction_factors[RATE_FACTOR_LEVELS];
269 int frame_num_last_gf_refresh;
271 int prev_coded_width;
272 int prev_coded_height;
281 int use_external_qp_one_pass;
309 int gf_intervals[MAX_NUM_GF_INTERVALS];
319 REGIONS regions[MAX_FIRSTPASS_ANALYSIS_FRAMES];
321 int frames_till_regions_update;
323 int baseline_gf_interval;
325 int constrained_gf_group;
327 int this_key_frame_forced;
329 int next_key_frame_forced;
353 float_t arf_boost_factor;
358 int num_stats_used_for_kf_boost;
361 int num_stats_used_for_gfu_boost;
364 int num_stats_required_for_gfu_boost;
366 int enable_scenecut_detection;
368 int use_arf_in_this_kf_group;
383 int avg_frame_qindex[FRAME_TYPES];
390 int temp_active_best_quality[MAX_ARF_LAYERS + 1];
396 int temp_last_boosted_qindex;
408 int temp_last_q[FRAME_TYPES];
414 int temp_projected_frame_size;
420 int64_t temp_total_actual_bits;
426 int64_t temp_buffer_level;
432 int64_t temp_vbr_bits_off_target;
438 int64_t temp_vbr_bits_off_target_fast;
444 double temp_rate_correction_factors[RATE_FACTOR_LEVELS];
450 int temp_rate_error_estimate;
456 int temp_rolling_arf_group_target_bits;
462 int temp_rolling_arf_group_actual_bits;
468 int64_t temp_bits_left;
474 int temp_extend_minq;
480 int temp_extend_maxq;
486 int active_best_quality[MAX_ARF_LAYERS + 1];
501 int last_q[FRAME_TYPES];
507 double rate_correction_factors[RATE_FACTOR_LEVELS];
560 int q_history[MAX_Q_HISTORY];
574 int av1_estimate_bits_at_q(
const struct AV1_COMP *cpi,
int q,
575 double correction_factor);
579 void av1_rc_init_minq_luts(
void);
581 int av1_rc_get_default_min_gf_interval(
int width,
int height,
double framerate);
585 int av1_rc_get_default_max_gf_interval(
double framerate,
int min_gf_interval);
611 void av1_rc_postencode_update(
struct AV1_COMP *cpi, uint64_t bytes_used);
613 void av1_rc_postencode_update_drop_frame(
struct AV1_COMP *cpi);
630 int is_encode_stage,
int width,
636 int av1_rc_drop_frame(
struct AV1_COMP *cpi);
639 void av1_rc_compute_frame_size_bounds(
const struct AV1_COMP *cpi,
640 int this_frame_target,
641 int *frame_under_shoot_limit,
642 int *frame_over_shoot_limit);
659 int gf_index,
int *bottom_index,
int *top_index);
674 int active_best_quality,
int active_worst_quality,
675 int width,
int height);
679 int av1_get_bpmb_enumerator(FRAME_TYPE frame_type,
680 const int is_screen_content_type);
683 int av1_rc_bits_per_mb(
const struct AV1_COMP *cpi, FRAME_TYPE frame_type,
684 int qindex,
double correction_factor,
685 int accurate_estimate);
688 int av1_rc_clamp_iframe_target_size(
const struct AV1_COMP *
const cpi,
690 int av1_rc_clamp_pframe_target_size(
const struct AV1_COMP *
const cpi,
691 int target, uint8_t frame_update_type);
698 int best_qindex,
int worst_qindex);
702 int av1_compute_qdelta(
const RATE_CONTROL *rc,
double qstart,
double qtarget,
707 int av1_compute_qdelta_by_rate(
const struct AV1_COMP *cpi,
708 FRAME_TYPE frame_type,
int qindex,
709 double rate_target_ratio);
711 int av1_frame_type_qdelta(
const struct AV1_COMP *cpi,
int q);
713 void av1_rc_update_framerate(
struct AV1_COMP *cpi,
int width,
int height);
715 void av1_rc_set_gf_interval_range(
const struct AV1_COMP *
const cpi,
718 void av1_set_target_rate(
struct AV1_COMP *cpi,
int width,
int height);
720 int av1_resize_one_pass_cbr(
struct AV1_COMP *cpi);
722 void av1_rc_set_frame_target(
struct AV1_COMP *cpi,
int target,
int width,
725 void av1_adjust_gf_refresh_qp_one_pass_rt(
struct AV1_COMP *cpi);
743 const struct AV1_COMP *
const cpi, FRAME_UPDATE_TYPE frame_update_type);
769 const struct AV1_COMP *cpi, FRAME_UPDATE_TYPE frame_update_type);
802 FRAME_TYPE *
const frame_type,
804 unsigned int frame_flags);
833 int av1_q_mode_get_q_index(
int base_q_index,
int gf_update_type,
834 int gf_pyramid_level,
int arf_q);
845 int av1_get_arf_q_index(
int base_q_index,
int gfu_boost,
int bit_depth,
846 double arf_boost_factor);
848 #if !CONFIG_REALTIME_ONLY
857 int av1_get_arf_q_index_q_mode(
struct AV1_COMP *cpi,
858 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:771
int av1_encodedframe_overshoot_cbr(struct AV1_COMP *cpi, int *q)
Increase q on expected encoder overshoot, for CBR mode.
Definition: ratectrl.c:3480
void av1_get_one_pass_rt_params(struct AV1_COMP *cpi, FRAME_TYPE *const frame_type, const struct EncodeFrameInput *frame_input, unsigned int frame_flags)
Setup the rate control parameters for 1 pass real-time mode.
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.
int av1_rc_pick_q_and_bounds(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.
Definition: ratectrl.c:2139
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_set_rtc_reference_structure_one_layer(AV1_COMP *cpi, int gf_update)
Setup the reference prediction structure for 1 pass real-time.
Definition: ratectrl.c:2857
Main encoder configuration data structure.
Definition: encoder.h:915
Top level encoder structure.
Definition: encoder.h:2872
Data related to the current GF/ARF group and the individual frames within the group.
Definition: firstpass.h:354
Primary Rate Control parameters and status.
Definition: ratectrl.h:288
int64_t bits_off_target
Definition: ratectrl.h:543
int rate_error_estimate
Definition: ratectrl.h:527
double avg_q
Definition: ratectrl.h:496
int64_t maximum_buffer_size
Definition: ratectrl.h:345
int kf_boost
Definition: ratectrl.h:299
int64_t starting_buffer_level
Definition: ratectrl.h:335
int64_t total_actual_bits
Definition: ratectrl.h:512
int64_t vbr_bits_off_target_fast
Definition: ratectrl.h:537
int rolling_target_bits
Definition: ratectrl.h:548
int64_t buffer_level
Definition: ratectrl.h:522
int gfu_boost
Definition: ratectrl.h:304
int64_t optimal_buffer_level
Definition: ratectrl.h:340
int arf_q
Definition: ratectrl.h:350
int rolling_actual_bits
Definition: ratectrl.h:554
int last_boosted_qindex
Definition: ratectrl.h:491
int cur_gf_index
Definition: ratectrl.h:314
int64_t total_target_bits
Definition: ratectrl.h:517
int last_kf_qindex
Definition: ratectrl.h:378
int64_t gf_group_bits
Definition: ratectrl.h:294
int64_t vbr_bits_off_target
Definition: ratectrl.h:532
Rate Control parameters and status.
Definition: ratectrl.h:134
int best_quality
Definition: ratectrl.h:225
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:221
int sb64_target_rate
Definition: ratectrl.h:160
int coefficient_size
Definition: ratectrl.h:155
int active_worst_quality
Definition: ratectrl.h:242
int frames_since_golden
Definition: ratectrl.h:165
int frames_till_gf_update_due
Definition: ratectrl.h:170