shithub: libvpx

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Merge "Non-rd variance partition: Lower the 64->32 force split threshold."

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

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

@@ -892,7 +892,6 @@

       }

     }

   }

-

   // Fill the rest of the variance tree by summing split partition values.

   avg_32x32 = 0;

   for (i = 0; i < 4; i++) {

@@ -937,7 +936,7 @@

     // If variance of this 64x64 block is above (some threshold of) the average

     // variance over the sub-32x32 blocks, then force this block to split.

     if (!is_key_frame &&

-        vt.part_variances.none.variance > (3 * avg_32x32) >> 3)

+        vt.part_variances.none.variance > (5 * avg_32x32) >> 4)

       force_split[0] = 1;

   }