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lavfi/nlmeans: reorder memory accesses in get_integral_patch_value

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This doesn't seem to make much of a difference but it can't hurt.
This commit is contained in:
Clément Bœsch 2018-05-06 13:31:32 +02:00
parent 34e1e53e28
commit de956198a9
1 changed files with 3 additions and 3 deletions
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6
libavfilter/vf_nlmeans.c
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@ -131,10 +131,10 @@ static int query_formats(AVFilterContext *ctx)
*/
static inline int get_integral_patch_value(const uint32_t *ii, int ii_lz_32, int x, int y, int p)
{
const int e = ii[(y + p ) * ii_lz_32 + (x + p )];
const int d = ii[(y + p ) * ii_lz_32 + (x - p - 1)];
const int b = ii[(y - p - 1) * ii_lz_32 + (x + p )];
const int a = ii[(y - p - 1) * ii_lz_32 + (x - p - 1)];
const int b = ii[(y - p - 1) * ii_lz_32 + (x + p )];
const int d = ii[(y + p ) * ii_lz_32 + (x - p - 1)];
const int e = ii[(y + p ) * ii_lz_32 + (x + p )];
return e - d - b + a;
}