shithub: libvpx

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Merge "Skip checking compound modes with same sign bias for sub8x8"

--- a/vp9/encoder/vp9_rdopt.c

+++ b/vp9/encoder/vp9_rdopt.c

@@ -3985,6 +3985,11 @@

     comp_pred = second_ref_frame > INTRA_FRAME;

     if (comp_pred) {

       if (!cpi->allow_comp_inter_inter) continue;

+

+      if (cm->ref_frame_sign_bias[ref_frame] ==

+          cm->ref_frame_sign_bias[second_ref_frame])

+        continue;

+

       if (!(cpi->ref_frame_flags & flag_list[second_ref_frame])) continue;

       // Do not allow compound prediction if the segment level reference frame

       // feature is in use as in this case there can only be one reference.