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

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Change-Id: I837551bdf87197bee8a193353bb31f4cff794787
This commit is contained in:
Marco 2015-12-15 17:26:27 -08:00
parent 12084f6d57
commit 26fda00840
1 changed files with 1 additions and 2 deletions
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3
vp9/encoder/vp9_encodeframe.c
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@ -892,7 +892,6 @@ static int choose_partitioning(VP9_COMP *cpi,
}
}
}
// 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 @@ static int choose_partitioning(VP9_COMP *cpi,
// 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;
}