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swscale/x86/rgb2rgb_template: Do not crash on misaligend stride

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Fixes Ticket5013

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-12-15 02:06:04 +01:00
parent 06987dab97
commit 80bfce35cc
1 changed files with 4 additions and 1 deletions
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5
libswscale/x86/rgb2rgb_template.c
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@ -1887,8 +1887,10 @@ static void RENAME(interleaveBytes)(const uint8_t *src1, const uint8_t *src2, ui
for (h=0; h < height; h++) {
int w;
if (width >= 16)
if (width >= 16
#if COMPILE_TEMPLATE_SSE2
&& !((((intptr_t)src1) | ((intptr_t)src2) | ((intptr_t)dest))&15)
)
__asm__(
"xor %%"REG_a", %%"REG_a" \n\t"
"1: \n\t"
@ -1908,6 +1910,7 @@ static void RENAME(interleaveBytes)(const uint8_t *src1, const uint8_t *src2, ui
: "memory", XMM_CLOBBERS("xmm0", "xmm1", "xmm2",) "%"REG_a
);
#else
)
__asm__(
"xor %%"REG_a", %%"REG_a" \n\t"
"1: \n\t"