diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c index 6d36b7cf5522a124c2cdd154ddae32895568d141..b5d08d2eb262bb0751a7917d1f4430df865a810b 100644 --- a/vp9/encoder/vp9_firstpass.c +++ b/vp9/encoder/vp9_firstpass.c @@ -911,6 +911,7 @@ int vp9_twopass_worst_quality(VP9_COMP *cpi, FIRSTPASS_STATS *fpstats, const double section_err = fpstats->coded_error / fpstats->count; const double err_per_mb = section_err / num_mbs; + const double speed_term = 1.0 + ((double)cpi->speed * 0.04); if (section_target_bandwitdh <= 0) return rc->worst_quality; // Highest value allowed @@ -924,8 +925,8 @@ int vp9_twopass_worst_quality(VP9_COMP *cpi, FIRSTPASS_STATS *fpstats, for (q = rc->best_quality; q < rc->worst_quality; ++q) { const double err_correction_factor = calc_correction_factor(err_per_mb, ERR_DIVISOR, 0.5, 0.90, q); - const int bits_per_mb_at_this_q = vp9_rc_bits_per_mb(INTER_FRAME, q, - err_correction_factor); + const int bits_per_mb_at_this_q = + vp9_rc_bits_per_mb(INTER_FRAME, q, (err_correction_factor * speed_term)); if (bits_per_mb_at_this_q <= target_norm_bits_per_mb) break; } diff --git a/vp9/encoder/vp9_ratectrl.c b/vp9/encoder/vp9_ratectrl.c index c62d31293cd8679075941eaa3bab6e530d59b9e3..36edba5f30d3269e108e09c4653ba7154bc07eb7 100644 --- a/vp9/encoder/vp9_ratectrl.c +++ b/vp9/encoder/vp9_ratectrl.c @@ -1010,7 +1010,7 @@ void vp9_rc_compute_frame_size_bounds(const VP9_COMP *cpi, *frame_over_shoot_limit = this_frame_target * 9 / 8; *frame_under_shoot_limit = this_frame_target * 7 / 8; } else { - // Stron overshoot limit for constrained quality + // Strong overshoot limit for constrained quality if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) { *frame_over_shoot_limit = this_frame_target * 11 / 8; *frame_under_shoot_limit = this_frame_target * 2 / 8;