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

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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
This commit is contained in:
Marco 2017-08-25 09:59:57 -07:00
parent ece1989fa2
commit a74593b30c
1 changed files with 5 additions and 1 deletions
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6
vp9/encoder/vp9_speed_features.c
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@ -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;
}