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avfilter/phase_template: Fix left-shift of negative numbers

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Affected the filter-phase FATE-test.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Andreas Rheinhardt
2022-11-06 17:15:22 +01:00
parent e72e8ec515
commit cf57147da1
1 changed files with 1 additions and 1 deletions
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libavfilter/phase_template.c
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@@ -46,7 +46,7 @@
* *
* (The result is actually multiplied by 25) * (The result is actually multiplied by 25)
*/ */
#define DIFF(a, as, b, bs) ((t) = ((*(a) - (b)[bs]) << 2) + (a)[(as) << 1] - (b)[-(bs)], (t) * (t)) #define DIFF(a, as, b, bs) ((t) = ((*(a) - (b)[bs]) * 4) + (a)[(as) * 2] - (b)[-(bs)], (t) * (t))
/* /*
* Find which field combination has the smallest average squared difference * Find which field combination has the smallest average squared difference