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authorMichael Niedermayer <michaelni@gmx.at>2014-11-20 00:43:45 +0100
committerMichael Niedermayer <michaelni@gmx.at>2015-01-06 18:25:50 +0100
commitdca70c59317869a8ff699fcb9bd17f9c184e4903 (patch)
treefce0b42aa1d5af037348159fde267d3e7279a0e0
parent17ff5d3f882672c039ca9c6dbc91b322f1a773bf (diff)
downloadffmpeg-dca70c59317869a8ff699fcb9bd17f9c184e4903.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 3899d0a842..7796d384bb 100644
--- a/libswscale/x86/rgb2rgb_template.c
+++ b/libswscale/x86/rgb2rgb_template.c
@@ -1634,6 +1634,16 @@ 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++) {