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vp9: SVC: Use prune_evenemore only for non_reference.

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Set subpel prune_evenmore only for non_reference frames,
instead of all TL > 0 frames. Gain some quality back at
cost of small speed loss (~1-2%).

Change only effects SVC encoding at speed >= 7.

Change-Id: I5b9f51e51dccfd7050521a66996176b0415ca3f9
This commit is contained in:
Marco 2017-06-09 17:48:03 -07:00
parent 6dcd9b37ea
commit e540ca7155
1 changed files with 2 additions and 1 deletions
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3
vp9/encoder/vp9_speed_features.c
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@ -551,8 +551,9 @@ static void set_rt_speed_feature_framesize_independent(
sf->mv.fullpel_search_step_param = 6;
}
if (cpi->svc.temporal_layer_id > 0) {
sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_EVENMORE;
sf->use_simple_block_yrd = 1;
if (cpi->svc.non_reference_frame)
sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_EVENMORE;
}
if (!cpi->external_resize) sf->use_source_sad = 1;
if (sf->use_source_sad) {