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Code Issues Releases Activity

avfilter/vf_estdif: do some clip calculations only once in loop

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This commit is contained in:
Paul B Mahol 2021-11-09 09:32:20 +01:00
parent dcf83fd59d
commit a13646639f
1 changed files with 12 additions and 9 deletions
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21
libavfilter/vf_estdif.c
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@ -217,10 +217,9 @@ MID6(uint16_t, 16)
#define DIFF(type, ss) \
static unsigned diff_##ss(const type *const prev, \
const type *const next, \
int end, int x, int k, int j) \
int x, int y) \
{ \
return FFABS(prev[av_clip(x + k + j, 0, end)] - \
next[av_clip(x - k + j, 0, end)]); \
return FFABS(prev[x] - next[y]); \
}
DIFF(uint8_t, 8)
@ -272,9 +271,11 @@ static void interpolate_##ss(ESTDIFContext *s, uint8_t *ddst, \
atype sum = 0; \
\
for (int j = -redge; j <= redge; j++) { \
sum += diff_##ss(prev_line, next_line, end, x, i, j); \
sum += diff_##ss(prev2_line, prev_line, end, x, i, j); \
sum += diff_##ss(next_line, next2_line, end, x, i, j); \
const int xx = av_clip(x + i + j, 0, end); \
const int yy = av_clip(x - i + j, 0, end); \
sum += diff_##ss(prev_line, next_line, xx, yy); \
sum += diff_##ss(prev2_line, prev_line, xx, yy); \
sum += diff_##ss(next_line, next2_line, xx, yy); \
} \
\
sD[i + rslope] = sum; \
@ -288,9 +289,11 @@ static void interpolate_##ss(ESTDIFContext *s, uint8_t *ddst, \
atype sum = 0; \
\
for (int j = -redge; j <= redge; j++) { \
sum += diff_##ss(prev_line, next_line, end, x, k + i, j); \
sum += diff_##ss(prev2_line, prev_line, end, x, k + i, j); \
sum += diff_##ss(next_line, next2_line, end, x, k + i, j); \
const int xx = av_clip(x + k + i + j, 0, end); \
const int yy = av_clip(x - k - i + j, 0, end); \
sum += diff_##ss(prev_line, next_line, xx, yy); \
sum += diff_##ss(prev2_line, prev_line, xx, yy); \
sum += diff_##ss(next_line, next2_line, xx, yy); \
} \
\
sd[i + rslope] = sum; \