Revision a1d0b6a2 libavcodec/ppc/dsputil_altivec.c

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libavcodec/ppc/dsputil_altivec.c
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        pix3iv = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix3[1]));
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        /*
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          Note that Altivec does have vec_avg, but this works on vector pairs
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          Note that AltiVec does have vec_avg, but this works on vector pairs
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          and rounds up. We could do avg(avg(a,b),avg(c,d)), but the rounding
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          would mean that, for example, avg(3,0,0,1) = 2, when it should be 1.
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          Instead, we have to split the pixel vectors into vectors of shorts,

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