From db41138a09f4fdfe6bb4382e3ec9717ea315635d Mon Sep 17 00:00:00 2001 From: Marco Paniconi Date: Mon, 17 Dec 2018 15:12:04 -0800 Subject: [PATCH] vp9-svc: Adjust search step param for spatial layers For non-base spatial layer in screen-content mode: use nstep but with larger step_param value than sl0, to avoid increase in encode_time. Some improvement on scrolling slides content. Change-Id: Ica918ac01664431d1fabb3c674d857cf6ad87414 --- vp9/encoder/vp9_speed_features.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/vp9/encoder/vp9_speed_features.c b/vp9/encoder/vp9_speed_features.c index d7620d7e0..c960b8af5 100644 --- a/vp9/encoder/vp9_speed_features.c +++ b/vp9/encoder/vp9_speed_features.c @@ -799,7 +799,9 @@ static void set_rt_speed_feature_framesize_independent( svc->spatial_layer_id == 0 && (svc->high_num_blocks_with_motion || svc->last_layer_dropped[0])) { sf->mv.search_method = NSTEP; - sf->mv.fullpel_search_step_param = 2; + // TODO(marpan/jianj): Tune this setting for screensharing. For now use + // larger step_param for non-base layer, to avoid increase in encode time. + sf->mv.fullpel_search_step_param = (svc->spatial_layer_id == 0) ? 2 : 4; } } -- 2.40.0