diff options
Diffstat (limited to 'vp9/encoder/vp9_ratectrl.h')
| -rw-r--r-- | vp9/encoder/vp9_ratectrl.h | 95 |
1 files changed, 78 insertions, 17 deletions
diff --git a/vp9/encoder/vp9_ratectrl.h b/vp9/encoder/vp9_ratectrl.h index 65ddead11..eba4b7a92 100644 --- a/vp9/encoder/vp9_ratectrl.h +++ b/vp9/encoder/vp9_ratectrl.h @@ -12,66 +12,127 @@ #ifndef VP9_ENCODER_VP9_RATECTRL_H_ #define VP9_ENCODER_VP9_RATECTRL_H_ -#include "vp9/encoder/vp9_onyx_int.h" - #ifdef __cplusplus extern "C" { #endif #define FRAME_OVERHEAD_BITS 200 -void vp9_save_coding_context(VP9_COMP *cpi); -void vp9_restore_coding_context(VP9_COMP *cpi); - -void vp9_setup_key_frame(VP9_COMP *cpi); -void vp9_setup_inter_frame(VP9_COMP *cpi); +typedef struct { + // Rate targetting variables + int this_frame_target; + int projected_frame_size; + int sb64_target_rate; + int last_q[3]; // Separate values for Intra/Inter/ARF-GF + int last_boosted_qindex; // Last boosted GF/KF/ARF q + + int gfu_boost; + int last_boost; + int kf_boost; + + double rate_correction_factor; + double key_frame_rate_correction_factor; + double gf_rate_correction_factor; + + unsigned int frames_since_golden; + unsigned int frames_till_gf_update_due; // Count down till next GF + unsigned int max_gf_interval; + unsigned int baseline_gf_interval; + unsigned int frames_to_key; + unsigned int frames_since_key; + unsigned int this_key_frame_forced; + unsigned int next_key_frame_forced; + unsigned int source_alt_ref_pending; + unsigned int source_alt_ref_active; + unsigned int is_src_frame_alt_ref; + + int per_frame_bandwidth; // Current section per frame bandwidth target + int av_per_frame_bandwidth; // Average frame size target for clip + int min_frame_bandwidth; // Minimum allocation used for any frame + int max_frame_bandwidth; // Maximum burst rate allowed for a frame. + + int ni_av_qi; + int ni_tot_qi; + int ni_frames; + int avg_frame_qindex[3]; // 0 - KEY, 1 - INTER, 2 - ARF/GF + double tot_q; + double avg_q; + + int buffer_level; + int bits_off_target; + + int decimation_factor; + int decimation_count; + + int rolling_target_bits; + int rolling_actual_bits; + + int long_rolling_target_bits; + int long_rolling_actual_bits; + + int64_t total_actual_bits; + int total_target_vs_actual; // debug stats + + int worst_quality; + int active_worst_quality; + int best_quality; + // int active_best_quality; +} RATE_CONTROL; + +struct VP9_COMP; + +void vp9_save_coding_context(struct VP9_COMP *cpi); +void vp9_restore_coding_context(struct VP9_COMP *cpi); + +void vp9_setup_key_frame(struct VP9_COMP *cpi); +void vp9_setup_inter_frame(struct VP9_COMP *cpi); double vp9_convert_qindex_to_q(int qindex); // Updates rate correction factors -void vp9_rc_update_rate_correction_factors(VP9_COMP *cpi, int damp_var); +void vp9_rc_update_rate_correction_factors(struct VP9_COMP *cpi, int damp_var); // initialize luts for minq void vp9_rc_init_minq_luts(void); // return of 0 means drop frame // Changes only rc.this_frame_target and rc.sb64_rate_target -int vp9_rc_pick_frame_size_target(VP9_COMP *cpi); +int vp9_rc_pick_frame_size_target(struct VP9_COMP *cpi); -void vp9_rc_compute_frame_size_bounds(const VP9_COMP *cpi, +void vp9_rc_compute_frame_size_bounds(const struct VP9_COMP *cpi, int this_frame_target, int *frame_under_shoot_limit, int *frame_over_shoot_limit); // Picks q and q bounds given the target for bits -int vp9_rc_pick_q_and_adjust_q_bounds(const VP9_COMP *cpi, +int vp9_rc_pick_q_and_adjust_q_bounds(const struct VP9_COMP *cpi, int *bottom_index, int *top_index); // Estimates q to achieve a target bits per frame -int vp9_rc_regulate_q(const VP9_COMP *cpi, int target_bits_per_frame, +int vp9_rc_regulate_q(const struct VP9_COMP *cpi, int target_bits_per_frame, int active_best_quality, int active_worst_quality); // Post encode update of the rate control parameters based // on bytes used -void vp9_rc_postencode_update(VP9_COMP *cpi, +void vp9_rc_postencode_update(struct VP9_COMP *cpi, uint64_t bytes_used); // for dropped frames -void vp9_rc_postencode_update_drop_frame(VP9_COMP *cpi); +void vp9_rc_postencode_update_drop_frame(struct VP9_COMP *cpi); // estimates bits per mb for a given qindex and correction factor int vp9_rc_bits_per_mb(FRAME_TYPE frame_type, int qindex, double correction_factor); // Post encode update of the rate control parameters for 2-pass -void vp9_twopass_postencode_update(VP9_COMP *cpi, +void vp9_twopass_postencode_update(struct VP9_COMP *cpi, uint64_t bytes_used); // Decide if we should drop this frame: For 1-pass CBR. -int vp9_drop_frame(VP9_COMP *cpi); +int vp9_drop_frame(struct VP9_COMP *cpi); // Update the buffer level. -void vp9_update_buffer_level(VP9_COMP *cpi, int encoded_frame_size); +void vp9_update_buffer_level(struct VP9_COMP *cpi, int encoded_frame_size); #ifdef __cplusplus } // extern "C" |