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@ -77,56 +77,6 @@ static void blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1, |
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} |
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} |
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#if HAVE_MMX2 |
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VLC_MMX |
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static void filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc, |
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int width, int thresh, const uint16_t *dithers) |
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{ |
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intptr_t x; |
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if (width&3) { |
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x = width&~3; |
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filter_line_c(dst+x, src+x, dc+x/2, width-x, thresh, dithers); |
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width = x; |
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} |
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x = -width; |
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__asm__ volatile( |
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"movd %4, %%mm5 \n" |
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"pxor %%mm7, %%mm7 \n" |
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"pshufw $0, %%mm5, %%mm5 \n" |
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"movq %6, %%mm6 \n" |
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"movq %5, %%mm4 \n" |
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"1: \n" |
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"movd (%2,%0), %%mm0 \n" |
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"movd (%3,%0), %%mm1 \n" |
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"punpcklbw %%mm7, %%mm0 \n" |
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"punpcklwd %%mm1, %%mm1 \n" |
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"psllw $7, %%mm0 \n" |
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"pxor %%mm2, %%mm2 \n" |
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"psubw %%mm0, %%mm1 \n" // delta = dc - pix
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"psubw %%mm1, %%mm2 \n" |
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"pmaxsw %%mm1, %%mm2 \n" |
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"pmulhuw %%mm5, %%mm2 \n" // m = abs(delta) * thresh >> 16
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"psubw %%mm6, %%mm2 \n" |
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"pminsw %%mm7, %%mm2 \n" // m = -max(0, 127-m)
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"pmullw %%mm2, %%mm2 \n" |
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"paddw %%mm4, %%mm0 \n" // pix += dither
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"pmulhw %%mm2, %%mm1 \n" |
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"psllw $2, %%mm1 \n" // m = m*m*delta >> 14
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"paddw %%mm1, %%mm0 \n" // pix += m
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"psraw $7, %%mm0 \n" |
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"packuswb %%mm0, %%mm0 \n" |
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"movd %%mm0, (%1,%0) \n" // dst = clip(pix>>7)
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"add $4, %0 \n" |
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"jl 1b \n" |
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"emms \n" |
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:"+r"(x) |
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:"r"(dst+width), "r"(src+width), "r"(dc+width/2), |
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"rm"(thresh), "m"(*dithers), "m"(*pw_7f) |
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:"mm0", "mm1", "mm2", "mm4", "mm5", "mm6", "memory" |
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); |
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} |
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#endif |
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#if HAVE_SSSE3 |
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VLC_SSE |
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static void filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, |
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