shithub: libvpx

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vp9: Adjust minmax threshold for variance partitioning.

Only affects speed 7. Improvement on high motion clips.

Change-Id: Ibddb68fed9c63207df29ffd790f9205b1cecf687

--- a/vp9/encoder/vp9_encodeframe.c

+++ b/vp9/encoder/vp9_encodeframe.c

@@ -1285,7 +1285,10 @@

                                           xd->cur_buf->flags,

 #endif

                                           pixels_wide, pixels_high);

-          if (minmax > cpi->vbp_threshold_minmax) {

+          int thresh_minmax = (int)cpi->vbp_threshold_minmax;

+          if (x->content_state_sb == kVeryHighSad)

+            thresh_minmax = thresh_minmax << 1;

+          if (minmax > thresh_minmax) {

             force_split[split_index] = 1;

             force_split[i + 1] = 1;

             force_split[0] = 1;