projects
/
ffmpeg.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
60e2c31
)
avfilter/vf_cropdetect: Unroll 3 & 4 bytes per sample loop
author
Michael Niedermayer
<michaelni@gmx.at>
Tue, 30 Dec 2014 01:35:32 +0000
(
02:35
+0100)
committer
Michael Niedermayer
<michaelni@gmx.at>
Tue, 30 Dec 2014 01:39:36 +0000
(
02:39
+0100)
19484 -> 10266 decicycles
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavfilter/vf_cropdetect.c
patch
|
blob
|
history
diff --git
a/libavfilter/vf_cropdetect.c
b/libavfilter/vf_cropdetect.c
index
5b59dbd
..
abfbd1d
100644
(file)
--- a/
libavfilter/vf_cropdetect.c
+++ b/
libavfilter/vf_cropdetect.c
@@
-81,6
+81,14
@@
static int checkline(void *ctx, const unsigned char *src, int stride, int len, i
break;
case 3:
case 4:
+ while (len >= 4) {
+ total += src[0] + src[1 ] + src[2 ]
+ + src[ stride] + src[1+ stride] + src[2+ stride];
+ + src[2*stride] + src[1+2*stride] + src[2+2*stride];
+ + src[3*stride] + src[1+3*stride] + src[2+3*stride];
+ src += 4*stride;
+ len -= 4;
+ }
while (--len >= 0) {
total += src[0] + src[1] + src[2];
src += stride;