From f2c3d0a7a3ac5d4eb844b50da386142e9610ee24 Mon Sep 17 00:00:00 2001 From: Marco Date: Fri, 29 Sep 2017 10:53:59 -0700 Subject: [PATCH] Enable use_altref_onepass for speed 4 real-time mode. Used for VBR mode with lag-in-frames > 0. On ytlive set at speed 4: ~3% average gain. Change-Id: I45dad1700bf8be9d8f177815dc062774f6f2f0de --- vp9/encoder/vp9_speed_features.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/vp9/encoder/vp9_speed_features.c b/vp9/encoder/vp9_speed_features.c index c1646c8..f49d8e4 100644 --- a/vp9/encoder/vp9_speed_features.c +++ b/vp9/encoder/vp9_speed_features.c @@ -443,6 +443,8 @@ static void set_rt_speed_feature_framesize_independent( if (speed >= 4) { int i; + if (cpi->oxcf.rc_mode == VPX_VBR && cpi->oxcf.lag_in_frames > 0) + sf->use_altref_onepass = 1; sf->last_partitioning_redo_frequency = 4; sf->adaptive_rd_thresh = 5; sf->use_fast_coef_costing = 0; @@ -468,6 +470,7 @@ static void set_rt_speed_feature_framesize_independent( } if (speed >= 5) { + sf->use_altref_onepass = 0; sf->use_quant_fp = !is_keyframe; sf->auto_min_max_partition_size = is_keyframe ? RELAXED_NEIGHBORING_MIN_MAX : STRICT_NEIGHBORING_MIN_MAX; -- 2.7.4