virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-07-11 14:30:22 +02:00
Code Issues Releases Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

21
libavfilter/vf_estdif.c
View File

@ -217,10 +217,9 @@ MID6(uint16_t, 16)
#define DIFF(type, ss) \ #define DIFF(type, ss) \
static unsigned diff_##ss(const type *const prev, \ static unsigned diff_##ss(const type *const prev, \
const type *const next, \ 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)] - \ return FFABS(prev[x] - next[y]); \
next[av_clip(x - k + j, 0, end)]); \
} }
DIFF(uint8_t, 8) DIFF(uint8_t, 8)
@ -272,9 +271,11 @@ static void interpolate_##ss(ESTDIFContext *s, uint8_t *ddst, \
atype sum = 0; \ atype sum = 0; \
\ \
for (int j = -redge; j <= redge; j++) { \ for (int j = -redge; j <= redge; j++) { \
sum += diff_##ss(prev_line, next_line, end, x, i, j); \ const int xx = av_clip(x + i + j, 0, end); \
sum += diff_##ss(prev2_line, prev_line, end, x, i, j); \ const int yy = av_clip(x - i + j, 0, end); \
sum += diff_##ss(next_line, next2_line, end, x, i, j); \ 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; \ sD[i + rslope] = sum; \
@ -288,9 +289,11 @@ static void interpolate_##ss(ESTDIFContext *s, uint8_t *ddst, \
atype sum = 0; \ atype sum = 0; \
\ \
for (int j = -redge; j <= redge; j++) { \ for (int j = -redge; j <= redge; j++) { \
sum += diff_##ss(prev_line, next_line, end, x, k + i, j); \ const int xx = av_clip(x + k + i + j, 0, end); \
sum += diff_##ss(prev2_line, prev_line, end, x, k + i, j); \ const int yy = av_clip(x - k - i + j, 0, end); \
sum += diff_##ss(next_line, next2_line, end, x, k + i, j); \ 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; \ sd[i + rslope] = sum; \