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lavfi/vf_histogram: replace round by lrint

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lrint is at least as fast, uses a superior rounding mode, and avoids an
implicit cast.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-12-16 14:56:18 -05:00
parent ad795f6394
commit ea2f04bffe
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_histogram.c
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@ -281,7 +281,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
int col_height;
if (h->levels_mode)
col_height = round(h->level_height * (1. - (log2(h->histogram[i] + 1) / max_hval_log)));
col_height = lrint(h->level_height * (1. - (log2(h->histogram[i] + 1) / max_hval_log)));
else
col_height = h->level_height - (h->histogram[i] * (int64_t)h->level_height + max_hval - 1) / max_hval;