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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>
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@ -1634,6 +1634,16 @@ static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_
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#define BGR2V_IDX "16*4+16*34"
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int y;
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const x86_reg chromWidth= width>>1;
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if (height > 2) {
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ff_rgb24toyv12_c(src, ydst, udst, vdst, width, 2, lumStride, chromStride, srcStride, rgb2yuv);
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src += 2*srcStride;
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ydst += 2*lumStride;
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udst += chromStride;
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vdst += chromStride;
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height -= 2;
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}
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for (y=0; y<height-2; y+=2) {
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int i;
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for (i=0; i<2; i++) {
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