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Fixed a variance calculation

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This commit fixed a mistake in variance calculation.

Thanks to Xintong for spotting the error.

Change-Id: Ia285fc0128c00f0234a73b0a7eba6adc88b8a7de
This commit is contained in:
Yaowu Xu 2015-06-26 15:54:43 -07:00
parent 5fe0e55ca4
commit 9f14bbfd80
1 changed files with 4 additions and 2 deletions
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6
vp9/encoder/vp9_firstpass.c
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@ -1031,8 +1031,10 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
fps.mvr_abs = (double)sum_mvr_abs / mvcount;
fps.MVc = (double)sum_mvc / mvcount;
fps.mvc_abs = (double)sum_mvc_abs / mvcount;
fps.MVrv = ((double)sum_mvrs - (fps.MVr * fps.MVr / mvcount)) / mvcount;
fps.MVcv = ((double)sum_mvcs - (fps.MVc * fps.MVc / mvcount)) / mvcount;
fps.MVrv = ((double)sum_mvrs -
((double)sum_mvr * sum_mvr / mvcount)) / mvcount;
fps.MVcv = ((double)sum_mvcs -
((double)sum_mvc * sum_mvc / mvcount)) / mvcount;
fps.mv_in_out_count = (double)sum_in_vectors / (mvcount * 2);
fps.new_mv_count = new_mv_count;
fps.pcnt_motion = (double)mvcount / num_mbs;