interpolate chrominance for every second line in the 1:1 vertical scale function
Originally committed as revision 2570 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer
parent
1faf086709
commit
497d4f9932
@ -249,8 +249,60 @@ static int canMMX2BeUsed=0;
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"pmulhw ugCoeff, %%mm3 \n\t"\
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"pmulhw vgCoeff, %%mm4 \n\t"\
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/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
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"movq (%1, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
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"movq 8(%1, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
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"movq (%0, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
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"movq 8(%0, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
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"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"psraw $4, %%mm7 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"pmulhw ubCoeff, %%mm2 \n\t"\
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"pmulhw vrCoeff, %%mm5 \n\t"\
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"psubw w80, %%mm1 \n\t" /* 8(Y-16)*/\
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"psubw w80, %%mm7 \n\t" /* 8(Y-16)*/\
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"pmulhw yCoeff, %%mm1 \n\t"\
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"pmulhw yCoeff, %%mm7 \n\t"\
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/* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
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"paddw %%mm3, %%mm4 \n\t"\
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"movq %%mm2, %%mm0 \n\t"\
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"movq %%mm5, %%mm6 \n\t"\
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"movq %%mm4, %%mm3 \n\t"\
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"punpcklwd %%mm2, %%mm2 \n\t"\
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"punpcklwd %%mm5, %%mm5 \n\t"\
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"punpcklwd %%mm4, %%mm4 \n\t"\
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"paddw %%mm1, %%mm2 \n\t"\
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"paddw %%mm1, %%mm5 \n\t"\
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"paddw %%mm1, %%mm4 \n\t"\
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"punpckhwd %%mm0, %%mm0 \n\t"\
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"punpckhwd %%mm6, %%mm6 \n\t"\
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"punpckhwd %%mm3, %%mm3 \n\t"\
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"paddw %%mm7, %%mm0 \n\t"\
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"paddw %%mm7, %%mm6 \n\t"\
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"paddw %%mm7, %%mm3 \n\t"\
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/* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
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"packuswb %%mm0, %%mm2 \n\t"\
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"packuswb %%mm6, %%mm5 \n\t"\
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"packuswb %%mm3, %%mm4 \n\t"\
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"pxor %%mm7, %%mm7 \n\t"
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// do vertical chrominance interpolation
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#define YSCALEYUV2RGB1b \
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"xorl %%eax, %%eax \n\t"\
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"1: \n\t"\
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"movq (%2, %%eax), %%mm2 \n\t" /* uvbuf0[eax]*/\
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"movq (%3, %%eax), %%mm3 \n\t" /* uvbuf1[eax]*/\
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"movq 4096(%2, %%eax), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
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"movq 4096(%3, %%eax), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
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"paddw %%mm2, %%mm3 \n\t"\
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"paddw %%mm5, %%mm4 \n\t"\
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"psraw $5, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
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"psraw $5, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
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"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
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"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
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"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
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"movq %%mm4, %%mm5 \n\t" /* (V-128)8*/\
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"pmulhw ugCoeff, %%mm3 \n\t"\
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"pmulhw vgCoeff, %%mm4 \n\t"\
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/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
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"movq (%0, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
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"movq 8(%0, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
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"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"psraw $4, %%mm7 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"pmulhw ubCoeff, %%mm2 \n\t"\
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@ -803,6 +855,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
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return;
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}
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#ifdef HAVE_MMX
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if( yalpha > 2048 ) buf0 = buf1;
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if( uvalpha < 2048 ) // note this is not correct (shifts chrominance by 0.5 pixels) but its a bit faster
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{
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if(dstbpp == 32)
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{
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asm volatile(
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@ -856,53 +911,110 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
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: "%eax"
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);
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}
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#else
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//FIXME unroll C loop and dont recalculate UV
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asm volatile ("\n\t"::: "memory");
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if(dstbpp==32 || dstbpp==24)
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}
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else
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{
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if(dstbpp == 32)
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{
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for(i=0;i<dstw;i++){
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// vertical linear interpolation && yuv2rgb in a single step:
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int Y=yuvtab_2568[buf0[i]>>7];
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int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
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int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
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dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
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dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
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dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
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dest+=dstbpp>>3;
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}
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asm volatile(
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YSCALEYUV2RGB1b
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WRITEBGR32
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:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
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"m" (yalpha1), "m" (uvalpha1)
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: "%eax"
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);
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}
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else if(dstbpp==16)
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else if(dstbpp==24)
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{
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for(i=0;i<dstw;i++){
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// vertical linear interpolation && yuv2rgb in a single step:
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int Y=yuvtab_2568[buf0[i]>>7];
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int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
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int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
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((uint16_t*)dest)[0] =
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(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
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((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
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dest+=2;
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}
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asm volatile(
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YSCALEYUV2RGB1b
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WRITEBGR24
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:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
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"m" (yalpha1), "m" (uvalpha1)
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: "%eax", "%ebx"
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);
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}
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else if(dstbpp==15)
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{
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for(i=0;i<dstw;i++){
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// vertical linear interpolation && yuv2rgb in a single step:
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int Y=yuvtab_2568[buf0[i]>>7];
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int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
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int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
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((uint16_t*)dest)[0] =
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(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
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((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
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dest+=2;
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}
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asm volatile(
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YSCALEYUV2RGB1b
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/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
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#ifdef DITHER1XBPP
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"paddusb b16Dither, %%mm2 \n\t"
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"paddusb b16Dither, %%mm4 \n\t"
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"paddusb b16Dither, %%mm5 \n\t"
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#endif
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WRITEBGR15
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:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
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"m" (yalpha1), "m" (uvalpha1)
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: "%eax"
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);
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}
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else if(dstbpp==16)
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{
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asm volatile(
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YSCALEYUV2RGB1b
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/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
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#ifdef DITHER1XBPP
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"paddusb g16Dither, %%mm2 \n\t"
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"paddusb b16Dither, %%mm4 \n\t"
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"paddusb b16Dither, %%mm5 \n\t"
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#endif
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WRITEBGR16
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:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
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"m" (yalpha1), "m" (uvalpha1)
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: "%eax"
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);
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}
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}
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#else
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//FIXME unroll C loop and dont recalculate UV
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asm volatile ("\n\t"::: "memory");
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if(dstbpp==32 || dstbpp==24)
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{
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for(i=0;i<dstw;i++){
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// vertical linear interpolation && yuv2rgb in a single step:
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int Y=yuvtab_2568[buf0[i]>>7];
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int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
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int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
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dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
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dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
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dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
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dest+=dstbpp>>3;
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}
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}
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else if(dstbpp==16)
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{
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for(i=0;i<dstw;i++){
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// vertical linear interpolation && yuv2rgb in a single step:
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int Y=yuvtab_2568[buf0[i]>>7];
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int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
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int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
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((uint16_t*)dest)[0] =
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(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
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((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
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dest+=2;
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}
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}
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else if(dstbpp==15)
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{
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for(i=0;i<dstw;i++){
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// vertical linear interpolation && yuv2rgb in a single step:
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int Y=yuvtab_2568[buf0[i]>>7];
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int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
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int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
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((uint16_t*)dest)[0] =
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(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
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((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
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dest+=2;
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}
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}
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#endif
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}
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@ -249,8 +249,60 @@ static int canMMX2BeUsed=0;
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"pmulhw ugCoeff, %%mm3 \n\t"\
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"pmulhw vgCoeff, %%mm4 \n\t"\
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/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
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"movq (%1, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
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"movq 8(%1, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
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"movq (%0, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
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"movq 8(%0, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
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"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"psraw $4, %%mm7 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"pmulhw ubCoeff, %%mm2 \n\t"\
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"pmulhw vrCoeff, %%mm5 \n\t"\
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"psubw w80, %%mm1 \n\t" /* 8(Y-16)*/\
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"psubw w80, %%mm7 \n\t" /* 8(Y-16)*/\
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"pmulhw yCoeff, %%mm1 \n\t"\
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"pmulhw yCoeff, %%mm7 \n\t"\
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/* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
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"paddw %%mm3, %%mm4 \n\t"\
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"movq %%mm2, %%mm0 \n\t"\
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"movq %%mm5, %%mm6 \n\t"\
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"movq %%mm4, %%mm3 \n\t"\
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"punpcklwd %%mm2, %%mm2 \n\t"\
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"punpcklwd %%mm5, %%mm5 \n\t"\
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"punpcklwd %%mm4, %%mm4 \n\t"\
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"paddw %%mm1, %%mm2 \n\t"\
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"paddw %%mm1, %%mm5 \n\t"\
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"paddw %%mm1, %%mm4 \n\t"\
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"punpckhwd %%mm0, %%mm0 \n\t"\
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"punpckhwd %%mm6, %%mm6 \n\t"\
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"punpckhwd %%mm3, %%mm3 \n\t"\
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"paddw %%mm7, %%mm0 \n\t"\
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"paddw %%mm7, %%mm6 \n\t"\
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"paddw %%mm7, %%mm3 \n\t"\
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/* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
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"packuswb %%mm0, %%mm2 \n\t"\
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"packuswb %%mm6, %%mm5 \n\t"\
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"packuswb %%mm3, %%mm4 \n\t"\
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"pxor %%mm7, %%mm7 \n\t"
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// do vertical chrominance interpolation
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#define YSCALEYUV2RGB1b \
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"xorl %%eax, %%eax \n\t"\
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"1: \n\t"\
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"movq (%2, %%eax), %%mm2 \n\t" /* uvbuf0[eax]*/\
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"movq (%3, %%eax), %%mm3 \n\t" /* uvbuf1[eax]*/\
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"movq 4096(%2, %%eax), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
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"movq 4096(%3, %%eax), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
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"paddw %%mm2, %%mm3 \n\t"\
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"paddw %%mm5, %%mm4 \n\t"\
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"psraw $5, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
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"psraw $5, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
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"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
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"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
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"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
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"movq %%mm4, %%mm5 \n\t" /* (V-128)8*/\
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"pmulhw ugCoeff, %%mm3 \n\t"\
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"pmulhw vgCoeff, %%mm4 \n\t"\
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/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
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"movq (%0, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
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"movq 8(%0, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
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"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"psraw $4, %%mm7 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
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"pmulhw ubCoeff, %%mm2 \n\t"\
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@ -803,6 +855,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
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return;
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}
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#ifdef HAVE_MMX
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if( yalpha > 2048 ) buf0 = buf1;
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if( uvalpha < 2048 ) // note this is not correct (shifts chrominance by 0.5 pixels) but its a bit faster
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{
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if(dstbpp == 32)
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{
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asm volatile(
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@ -856,53 +911,110 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
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: "%eax"
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);
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}
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#else
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//FIXME unroll C loop and dont recalculate UV
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asm volatile ("\n\t"::: "memory");
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if(dstbpp==32 || dstbpp==24)
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}
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else
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{
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if(dstbpp == 32)
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{
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for(i=0;i<dstw;i++){
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// vertical linear interpolation && yuv2rgb in a single step:
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int Y=yuvtab_2568[buf0[i]>>7];
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int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
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int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
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dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
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dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
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dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
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dest+=dstbpp>>3;
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}
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asm volatile(
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YSCALEYUV2RGB1b
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WRITEBGR32
|
||||
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
|
||||
"m" (yalpha1), "m" (uvalpha1)
|
||||
: "%eax"
|
||||
);
|
||||
}
|
||||
else if(dstbpp==16)
|
||||
else if(dstbpp==24)
|
||||
{
|
||||
for(i=0;i<dstw;i++){
|
||||
// vertical linear interpolation && yuv2rgb in a single step:
|
||||
int Y=yuvtab_2568[buf0[i]>>7];
|
||||
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
|
||||
((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
|
||||
dest+=2;
|
||||
}
|
||||
asm volatile(
|
||||
YSCALEYUV2RGB1b
|
||||
WRITEBGR24
|
||||
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
|
||||
"m" (yalpha1), "m" (uvalpha1)
|
||||
: "%eax", "%ebx"
|
||||
);
|
||||
}
|
||||
else if(dstbpp==15)
|
||||
{
|
||||
for(i=0;i<dstw;i++){
|
||||
// vertical linear interpolation && yuv2rgb in a single step:
|
||||
int Y=yuvtab_2568[buf0[i]>>7];
|
||||
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
|
||||
((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
|
||||
dest+=2;
|
||||
}
|
||||
asm volatile(
|
||||
YSCALEYUV2RGB1b
|
||||
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
|
||||
#ifdef DITHER1XBPP
|
||||
"paddusb b16Dither, %%mm2 \n\t"
|
||||
"paddusb b16Dither, %%mm4 \n\t"
|
||||
"paddusb b16Dither, %%mm5 \n\t"
|
||||
#endif
|
||||
WRITEBGR15
|
||||
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
|
||||
"m" (yalpha1), "m" (uvalpha1)
|
||||
: "%eax"
|
||||
);
|
||||
}
|
||||
else if(dstbpp==16)
|
||||
{
|
||||
asm volatile(
|
||||
YSCALEYUV2RGB1b
|
||||
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
|
||||
#ifdef DITHER1XBPP
|
||||
"paddusb g16Dither, %%mm2 \n\t"
|
||||
"paddusb b16Dither, %%mm4 \n\t"
|
||||
"paddusb b16Dither, %%mm5 \n\t"
|
||||
#endif
|
||||
|
||||
WRITEBGR16
|
||||
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
|
||||
"m" (yalpha1), "m" (uvalpha1)
|
||||
: "%eax"
|
||||
);
|
||||
}
|
||||
}
|
||||
#else
|
||||
//FIXME unroll C loop and dont recalculate UV
|
||||
asm volatile ("\n\t"::: "memory");
|
||||
|
||||
if(dstbpp==32 || dstbpp==24)
|
||||
{
|
||||
for(i=0;i<dstw;i++){
|
||||
// vertical linear interpolation && yuv2rgb in a single step:
|
||||
int Y=yuvtab_2568[buf0[i]>>7];
|
||||
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
|
||||
dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
|
||||
dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
|
||||
dest+=dstbpp>>3;
|
||||
}
|
||||
}
|
||||
else if(dstbpp==16)
|
||||
{
|
||||
for(i=0;i<dstw;i++){
|
||||
// vertical linear interpolation && yuv2rgb in a single step:
|
||||
int Y=yuvtab_2568[buf0[i]>>7];
|
||||
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
|
||||
((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
else if(dstbpp==15)
|
||||
{
|
||||
for(i=0;i<dstw;i++){
|
||||
// vertical linear interpolation && yuv2rgb in a single step:
|
||||
int Y=yuvtab_2568[buf0[i]>>7];
|
||||
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
|
||||
((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user