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x86/swscale: use unsigned to build SIMD values to avoid signed overflow

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-11 02:52:12 +02:00
parent 8470e6c96f
commit ef912134f0
1 changed files with 2 additions and 2 deletions
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4
libswscale/x86/swscale.c
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@ -188,7 +188,7 @@ void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufI
*(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
lumMmxFilter[4*i+2]=
lumMmxFilter[4*i+3]=
((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;
if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
*(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
alpMmxFilter[4*i+2]=
@ -199,7 +199,7 @@ void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufI
*(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
chrMmxFilter[4*i+2]=
chrMmxFilter[4*i+3]=
((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;
}
}
}