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 int high_motion_content_screen_rtc;
194 uint64_t avg_source_sad;
195 uint64_t prev_avg_source_sad;
196 uint64_t frame_source_sad;
197 uint64_t frame_spatial_variance;
198 int static_since_last_scene_change;
199 int last_encoded_size_keyframe;
200 int last_target_size_keyframe;
201 int frames_since_scene_change;
202 int perc_spatial_flat_blocks;
204 int avg_frame_bandwidth;
205 int min_frame_bandwidth;
206 int max_frame_bandwidth;
207 int prev_avg_frame_bandwidth;
212 int decimation_factor;
213 int decimation_count;
214 int prev_frame_is_dropped;
215 int drop_count_consec;
224 unsigned int frame_number_encoded;
255 int avg_frame_low_motion;
259 int percent_blocks_with_motion;
262 int percent_blocks_inactive;
265 uint64_t max_block_source_sad;
268 RESIZE_STATE resize_state;
270 int resize_buffer_underflow;
274 int rtc_external_ratectrl;
277 int frame_level_fast_extra_bits;
279 double frame_level_rate_correction_factors[RATE_FACTOR_LEVELS];
281 int frame_num_last_gf_refresh;
283 int prev_coded_width;
284 int prev_coded_height;
293 int use_external_qp_one_pass;
321 int gf_intervals[MAX_NUM_GF_INTERVALS];
331 REGIONS regions[MAX_FIRSTPASS_ANALYSIS_FRAMES];
333 int frames_till_regions_update;
335 int baseline_gf_interval;
337 int constrained_gf_group;
339 int this_key_frame_forced;
341 int next_key_frame_forced;
365 float_t arf_boost_factor;
370 int num_stats_used_for_kf_boost;
373 int num_stats_used_for_gfu_boost;
376 int num_stats_required_for_gfu_boost;
378 int enable_scenecut_detection;
380 int use_arf_in_this_kf_group;
395 int avg_frame_qindex[FRAME_TYPES];
402 int temp_active_best_quality[MAX_ARF_LAYERS + 1];
408 int temp_last_boosted_qindex;
420 int temp_last_q[FRAME_TYPES];
426 int temp_projected_frame_size;
432 int64_t temp_total_actual_bits;
438 int64_t temp_buffer_level;
444 int64_t temp_vbr_bits_off_target;
450 int64_t temp_vbr_bits_off_target_fast;
456 double temp_rate_correction_factors[RATE_FACTOR_LEVELS];
462 int temp_rate_error_estimate;
468 int temp_rolling_arf_group_target_bits;
474 int temp_rolling_arf_group_actual_bits;
480 int64_t temp_bits_left;
486 int temp_extend_minq;
492 int temp_extend_maxq;
498 int active_best_quality[MAX_ARF_LAYERS + 1];
513 int last_q[FRAME_TYPES];
519 double rate_correction_factors[RATE_FACTOR_LEVELS];
572 int q_history[MAX_Q_HISTORY];
586 int av1_estimate_bits_at_q(
const struct AV1_COMP *cpi,
int q,
587 double correction_factor);
594 void av1_rc_init_minq_luts(
void);
596 int av1_rc_get_default_min_gf_interval(
int width,
int height,
double framerate);
622 void av1_rc_postencode_update(
struct AV1_COMP *cpi, uint64_t bytes_used);
624 void av1_rc_postencode_update_drop_frame(
struct AV1_COMP *cpi);
641 int is_encode_stage,
int width,
647 int av1_rc_drop_frame(
struct AV1_COMP *cpi);
650 void av1_rc_compute_frame_size_bounds(
const struct AV1_COMP *cpi,
651 int this_frame_target,
652 int *frame_under_shoot_limit,
653 int *frame_over_shoot_limit);
670 int gf_index,
int *bottom_index,
int *top_index);
685 int active_best_quality,
int active_worst_quality,
686 int width,
int height);
690 int av1_rc_bits_per_mb(
const struct AV1_COMP *cpi, FRAME_TYPE frame_type,
691 int qindex,
double correction_factor,
692 int accurate_estimate);
699 int best_qindex,
int worst_qindex);
703 int av1_compute_qdelta(
const RATE_CONTROL *
rc,
double qstart,
double qtarget,
708 int av1_compute_qdelta_by_rate(
const struct AV1_COMP *cpi,
709 FRAME_TYPE frame_type,
int qindex,
710 double rate_target_ratio);
712 void av1_rc_update_framerate(
struct AV1_COMP *cpi,
int width,
int height);
714 void av1_set_target_rate(
struct AV1_COMP *cpi,
int width,
int height);
716 int av1_resize_one_pass_cbr(
struct AV1_COMP *cpi);
718 void av1_rc_set_frame_target(
struct AV1_COMP *cpi,
int target,
int width,
721 void av1_adjust_gf_refresh_qp_one_pass_rt(
struct AV1_COMP *cpi);
739 const struct AV1_COMP *
const cpi, FRAME_UPDATE_TYPE frame_update_type);
765 const struct AV1_COMP *cpi, FRAME_UPDATE_TYPE frame_update_type);
798 FRAME_TYPE *
const frame_type,
800 unsigned int frame_flags);
835 #endif // AOM_AV1_ENCODER_RATECTRL_H_ RATE_CONTROL rc
Definition: encoder.h:3085
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.
Rate Control parameters and status.
Definition: ratectrl.h:134
int64_t vbr_bits_off_target
Definition: ratectrl.h:544
double framerate
Definition: encoder.h:3090
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.
int64_t bits_off_target
Definition: ratectrl.h:555
AV1EncoderConfig oxcf
Definition: encoder.h:2926
int active_worst_quality
Definition: ratectrl.h:251
Data related to the current GF/ARF group and the individual frames within the group.
Definition: firstpass.h:339
int last_kf_qindex
Definition: ratectrl.h:390
int64_t total_target_bits
Definition: ratectrl.h:529
int rolling_target_bits
Definition: ratectrl.h:560
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_encodedframe_overshoot_cbr(struct AV1_COMP *cpi, int *q)
Increase q on expected encoder overshoot, for CBR mode.
Definition: ratectrl.c:3865
int rolling_actual_bits
Definition: ratectrl.h:566
int intervals_till_gf_calculate_due
Definition: ratectrl.h:175
int64_t gf_group_bits
Definition: ratectrl.h:306
Describes the codec algorithm interface to applications.
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.
int64_t buffer_level
Definition: ratectrl.h:534
int64_t total_actual_bits
Definition: ratectrl.h:524
int64_t vbr_bits_off_target_fast
Definition: ratectrl.h:549
int frames_to_key
Definition: ratectrl.h:185
int cur_gf_index
Definition: ratectrl.h:326
int64_t starting_buffer_level
Definition: ratectrl.h:347
int64_t optimal_buffer_level
Definition: ratectrl.h:352
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:2238
int projected_frame_size
Definition: ratectrl.h:150
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 arf_q
Definition: ratectrl.h:362
int best_quality
Definition: ratectrl.h:234
Top level encoder structure.
Definition: encoder.h:2878
int last_boosted_qindex
Definition: ratectrl.h:503
int sb64_target_rate
Definition: ratectrl.h:160
enum aom_bit_depth aom_bit_depth_t
Bit depth for codecThis enumeration determines the bit depth of the codec.
int rate_error_estimate
Definition: ratectrl.h:539
int base_frame_target
Definition: ratectrl.h:141
int coefficient_size
Definition: ratectrl.h:155
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:894
int av1_postencode_drop_cbr(struct AV1_COMP *cpi, size_t *size)
Check if frame should be dropped, for RTC mode.
Definition: ratectrl.c:3960
int frames_till_gf_update_due
Definition: ratectrl.h:170
int gfu_boost
Definition: ratectrl.h:316
int frames_since_golden
Definition: ratectrl.h:165
int this_frame_target
Definition: ratectrl.h:145
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.
double avg_q
Definition: ratectrl.h:508
Main encoder configuration data structure.
Definition: encoder.h:933
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:2965
int64_t maximum_buffer_size
Definition: ratectrl.h:357
Primary Rate Control parameters and status.
Definition: ratectrl.h:300
int worst_quality
Definition: ratectrl.h:230
int kf_boost
Definition: ratectrl.h:311