Commit a74593b3 authored by Marco's avatar Marco

vp9: SVC: Modify mv search condition in speed features.

For SVC at speed >= 7: only use the improved mv search
on base spatial layer, if top layer resolution is above 640x360.

~2.3% speedup
Small/negligible loss in avgPSNR metrics on rtc set.

Change-Id: Iaef75a57ebf1c248931bc1aa28d20b7fecac1851
parent ece1989f
......@@ -560,8 +560,12 @@ static void set_rt_speed_feature_framesize_independent(
sf->adaptive_rd_thresh = 3;
sf->mv.search_method = FAST_DIAMOND;
sf->mv.fullpel_search_step_param = 10;
// For SVC: use better mv search on base temporal layer, and only
// on base spatial layer if highest resolution is above 640x360.
if (cpi->svc.number_temporal_layers > 2 &&
cpi->svc.temporal_layer_id == 0) {
cpi->svc.temporal_layer_id == 0 &&
(cpi->svc.spatial_layer_id == 0 ||
cpi->oxcf.width * cpi->oxcf.height <= 640 * 360)) {
sf->mv.search_method = NSTEP;
sf->mv.fullpel_search_step_param = 6;
}
......
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