aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2014-11-20 00:43:45 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-11-28 18:53:11 +0100
commit51c32a535bb40c8e978a7bc06ad6eccb5cebf2a0 (patch)
treea9415222e5b469b18779462ae0268cb449a93f52
parentc4034e4e192e6e9db2c2362479b576d449af5ece (diff)
downloadffmpeg-51c32a535bb40c8e978a7bc06ad6eccb5cebf2a0.tar.gz
swscale/x86/rgb2rgb_template: handle the first 2 lines with C in rgb24toyv12_*()
This avoids out of array accesses Should fix Ticket3451 Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 4388e78a0f022c8572996f9ab568a39b5f716f9d) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libswscale/x86/rgb2rgb_template.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/libswscale/x86/rgb2rgb_template.c b/libswscale/x86/rgb2rgb_template.c
index d684b70d4c..004621a824 100644
--- a/libswscale/x86/rgb2rgb_template.c
+++ b/libswscale/x86/rgb2rgb_template.c
@@ -1623,6 +1623,16 @@ static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_
#define BGR2V_IDX "16*4+16*34"
int y;
const x86_reg chromWidth= width>>1;
+
+ if (height > 2) {
+ ff_rgb24toyv12_c(src, ydst, udst, vdst, width, 2, lumStride, chromStride, srcStride, rgb2yuv);
+ src += 2*srcStride;
+ ydst += 2*lumStride;
+ udst += chromStride;
+ vdst += chromStride;
+ height -= 2;
+ }
+
for (y=0; y<height-2; y+=2) {
int i;
for (i=0; i<2; i++) {