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 MAX_NUM_GF_INTERVALS 15 51 #define MAX_ARF_LAYERS 6 57 uint8_t superres_denom;
66 } UENUM1BYTE(RATE_FACTOR_LEVEL);
77 } UENUM1BYTE(FRAME_UPDATE_TYPE);
83 } UENUM1BYTE(REFBUF_STATE);
93 typedef enum { ORIG = 0, THREE_QUARTER = 1, ONE_HALF = 2 } RESIZE_STATE;
95 #define MAX_FIRSTPASS_ANALYSIS_FRAMES 150 96 typedef enum region_types {
103 typedef struct regions {
106 double avg_noise_var;
107 double avg_cor_coeff;
108 double avg_sr_fr_ratio;
109 double avg_intra_err;
110 double avg_coded_err;
154 int last_q[FRAME_TYPES];
179 double rate_correction_factors[RATE_FACTOR_LEVELS];
199 int gf_intervals[MAX_NUM_GF_INTERVALS];
208 REGIONS regions[MAX_FIRSTPASS_ANALYSIS_FRAMES];
209 double cor_coeff[MAX_FIRSTPASS_ANALYSIS_FRAMES];
210 double noise_var[MAX_FIRSTPASS_ANALYSIS_FRAMES];
212 int frames_till_regions_update;
216 int static_scene_max_gf_interval;
217 int baseline_gf_interval;
218 int constrained_gf_group;
225 int frames_since_key;
226 int this_key_frame_forced;
227 int next_key_frame_forced;
228 int is_src_frame_alt_ref;
232 uint64_t avg_source_sad;
233 uint64_t prev_avg_source_sad;
235 int avg_frame_bandwidth;
236 int min_frame_bandwidth;
237 int max_frame_bandwidth;
238 int prev_avg_frame_bandwidth;
243 int avg_frame_qindex[FRAME_TYPES];
247 int64_t buffer_level;
248 int64_t bits_off_target;
249 int64_t vbr_bits_off_target;
250 int64_t vbr_bits_off_target_fast;
252 int decimation_factor;
253 int decimation_count;
255 int rolling_target_bits;
256 int rolling_actual_bits;
258 int rate_error_estimate;
260 int64_t total_actual_bits;
261 int64_t total_target_bits;
296 float_t arf_boost_factor;
310 int active_best_quality[MAX_ARF_LAYERS + 1];
316 int num_stats_used_for_kf_boost;
318 int num_stats_used_for_gfu_boost;
320 int num_stats_required_for_gfu_boost;
322 int enable_scenecut_detection;
323 int use_arf_in_this_kf_group;
325 int avg_frame_low_motion;
328 RESIZE_STATE resize_state;
330 int resize_buffer_underflow;
343 int av1_estimate_bits_at_q(FRAME_TYPE frame_kind,
int q,
int mbs,
345 const int is_screen_content_type);
349 void av1_rc_init_minq_luts(
void);
351 int av1_rc_get_default_min_gf_interval(
int width,
int height,
double framerate);
355 int av1_rc_get_default_max_gf_interval(
double framerate,
int min_gf_interval);
382 void av1_rc_postencode_update(
struct AV1_COMP *cpi, uint64_t bytes_used);
384 void av1_rc_postencode_update_drop_frame(
struct AV1_COMP *cpi);
405 int av1_rc_drop_frame(
struct AV1_COMP *cpi);
408 void av1_rc_compute_frame_size_bounds(
const struct AV1_COMP *cpi,
409 int this_frame_target,
410 int *frame_under_shoot_limit,
411 int *frame_over_shoot_limit);
429 int width,
int height,
int gf_index,
430 int *bottom_index,
int *top_index);
445 int active_best_quality,
int active_worst_quality,
446 int width,
int height);
450 int av1_rc_bits_per_mb(FRAME_TYPE
frame_type,
int qindex,
452 const int is_screen_content_type);
455 int av1_rc_clamp_iframe_target_size(
const struct AV1_COMP *
const cpi,
457 int av1_rc_clamp_pframe_target_size(
const struct AV1_COMP *
const cpi,
458 int target, uint8_t frame_update_type);
465 int best_qindex,
int worst_qindex);
469 int av1_compute_qdelta(
const RATE_CONTROL *rc,
double qstart,
double qtarget,
475 int qindex,
double rate_target_ratio,
476 const int is_screen_content_type,
479 int av1_frame_type_qdelta(
const struct AV1_COMP *cpi,
int q);
481 void av1_rc_update_framerate(
struct AV1_COMP *cpi,
int width,
int height);
483 void av1_rc_set_gf_interval_range(
const struct AV1_COMP *
const cpi,
486 void av1_set_target_rate(
struct AV1_COMP *cpi,
int width,
int height);
488 int av1_resize_one_pass_cbr(
struct AV1_COMP *cpi);
490 void av1_rc_set_frame_target(
struct AV1_COMP *cpi,
int target,
int width,
509 const struct AV1_COMP *
const cpi, FRAME_UPDATE_TYPE frame_update_type);
535 const struct AV1_COMP *cpi, FRAME_UPDATE_TYPE frame_update_type);
567 unsigned int frame_flags);
589 #endif // AOM_AV1_ENCODER_RATECTRL_H_ 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:118
FRAME_TYPE frame_type
Definition: encoder.h:2734
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.
int active_worst_quality
Definition: ratectrl.h:306
int64_t gf_group_bits
Definition: ratectrl.h:134
int cur_gf_index
Definition: ratectrl.h:204
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:544
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:2551
int av1_encodedframe_overshoot_cbr(struct AV1_COMP *cpi, int *q)
Increase q on expected encoder overshoot, for CBR mode.
Definition: ratectrl.c:2653
int intervals_till_gf_calculate_due
Definition: ratectrl.h:194
Describes the codec algorithm interface to applications.
int last_kf_qindex
Definition: ratectrl.h:164
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.
contains per-frame encoding parameters decided upon by av1_encode_strategy() and passed down to av1_e...
Definition: encoder.h:2726
int av1_rc_pick_q_and_bounds(const struct AV1_COMP *cpi, RATE_CONTROL *rc, 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 frames_to_key
Definition: ratectrl.h:223
int64_t optimal_buffer_level
Definition: ratectrl.h:280
int projected_frame_size
Definition: ratectrl.h:139
int64_t maximum_buffer_size
Definition: ratectrl.h:284
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 best_quality
Definition: ratectrl.h:271
enum aom_enc_pass pass
Definition: encoder.h:930
Top level encoder structure.
Definition: encoder.h:2095
int sb64_target_rate
Definition: ratectrl.h:149
enum aom_bit_depth aom_bit_depth_t
Bit depth for codecThis enumeration determines the bit depth of the codec.
int kf_boost
Definition: ratectrl.h:173
int base_frame_target
Definition: ratectrl.h:125
int64_t starting_buffer_level
Definition: ratectrl.h:276
int coefficient_size
Definition: ratectrl.h:144
int frames_till_gf_update_due
Definition: ratectrl.h:189
int frames_since_golden
Definition: ratectrl.h:184
int this_frame_target
Definition: ratectrl.h:129
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 last_boosted_qindex
Definition: ratectrl.h:159
Main encoder configuration data structure.
Definition: encoder.h:805
int arf_q
Definition: ratectrl.h:302
int gfu_boost
Definition: ratectrl.h:169
int worst_quality
Definition: ratectrl.h:267
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:2171