mirror of
https://github.com/FFmpeg/FFmpeg.git
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downscale
fixed some warnings Originally committed as revision 2470 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer
parent
e5c30e0692
commit
2ff198c11a
@ -33,6 +33,8 @@ more intelligent missalignment avoidance for the horizontal scaler
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*/
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#define ABS(a) ((a) > 0 ? (a) : (-(a)))
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#define MIN(a,b) ((a) > (b) ? (b) : (a))
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#define MAX(a,b) ((a) < (b) ? (b) : (a))
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#ifdef HAVE_MMX2
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#define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
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@ -103,6 +105,8 @@ static int yuvtab_40cf[256];
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static uint8_t funnyYCode[10000];
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static uint8_t funnyUVCode[10000];
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static int canMMX2BeUsed=0;
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#define FULL_YSCALEYUV2RGB \
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"pxor %%mm7, %%mm7 \n\t"\
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"movd %6, %%mm6 \n\t" /*yalpha1*/\
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@ -616,9 +620,9 @@ FULL_YSCALEYUV2RGB
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int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
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((uint16_t*)dest)[0] =
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(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
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(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<3)&0x07E0 |
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(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<8)&0xF800;
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(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<3)&0x07E0) |
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((clip_table[(Y + yuvtab_40cf[V]) >>13]<<8)&0xF800);
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dest+=2;
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}
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}
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@ -631,9 +635,9 @@ FULL_YSCALEYUV2RGB
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int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
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((uint16_t*)dest)[0] =
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(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
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(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<2)&0x03E0 |
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(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<7)&0x7C00;
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(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<2)&0x03E0) |
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((clip_table[(Y + yuvtab_40cf[V]) >>13]<<7)&0x7C00);
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dest+=2;
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}
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}
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@ -724,9 +728,9 @@ FULL_YSCALEYUV2RGB
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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_3343[U]) >>13)]>>3) |
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(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<3)&0x07E0 |
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(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<8)&0xF800;
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(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<3)&0x07E0) |
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((clip_table[(Y + yuvtab_40cf[V]) >>13]<<8)&0xF800);
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dest+=2;
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}
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}
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@ -739,9 +743,9 @@ FULL_YSCALEYUV2RGB
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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_3343[U]) >>13)]>>3) |
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(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<2)&0x03E0 |
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(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<7)&0x7C00;
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(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<2)&0x03E0) |
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((clip_table[(Y + yuvtab_40cf[V]) >>13]<<7)&0x7C00);
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dest+=2;
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}
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}
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@ -841,9 +845,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
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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_3343[U]) >>13)]>>3) |
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(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<3)&0x07E0 |
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(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<8)&0xF800;
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(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<3)&0x07E0) |
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((clip_table[(Y + yuvtab_40cf[V]) >>13]<<8)&0xF800);
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dest+=2;
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}
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}
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@ -856,9 +860,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
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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_3343[U]) >>13)]>>3) |
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(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<2)&0x03E0 |
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(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<7)&0x7C00;
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(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
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((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<2)&0x03E0) |
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((clip_table[(Y + yuvtab_40cf[V]) >>13]<<7)&0x7C00);
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dest+=2;
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}
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}
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@ -866,6 +870,259 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
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}
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static inline void hyscale(uint16_t *dst, int dstWidth, uint8_t *src, int srcWidth, int xInc)
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{
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int i;
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unsigned int xpos=0;
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// *** horizontal scale Y line to temp buffer
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#ifdef ARCH_X86
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#ifdef HAVE_MMX2
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if(canMMX2BeUsed)
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{
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asm volatile(
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"pxor %%mm7, %%mm7 \n\t"
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"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
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"movd %5, %%mm6 \n\t" // xInc&0xFFFF
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"punpcklwd %%mm6, %%mm6 \n\t"
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"punpcklwd %%mm6, %%mm6 \n\t"
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"movq %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t"
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"paddw %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t"
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"paddw %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=xInc&0xFF
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"movq %%mm2, temp0 \n\t"
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"movd %4, %%mm6 \n\t" //(xInc*4)&0xFFFF
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"punpcklwd %%mm6, %%mm6 \n\t"
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"punpcklwd %%mm6, %%mm6 \n\t"
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"xorl %%eax, %%eax \n\t" // i
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"movl %0, %%esi \n\t" // src
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"movl %1, %%edi \n\t" // buf1
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"movl %3, %%edx \n\t" // (xInc*4)>>16
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"xorl %%ecx, %%ecx \n\t"
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"xorl %%ebx, %%ebx \n\t"
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"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
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#ifdef HAVE_MMX2
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#define FUNNY_Y_CODE \
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"prefetchnta 1024(%%esi) \n\t"\
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"prefetchnta 1056(%%esi) \n\t"\
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"prefetchnta 1088(%%esi) \n\t"\
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"call funnyYCode \n\t"\
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"movq temp0, %%mm2 \n\t"\
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"xorl %%ecx, %%ecx \n\t"
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#else
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#define FUNNY_Y_CODE \
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"call funnyYCode \n\t"\
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"movq temp0, %%mm2 \n\t"\
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"xorl %%ecx, %%ecx \n\t"
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#endif
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FUNNY_Y_CODE
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FUNNY_Y_CODE
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FUNNY_Y_CODE
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FUNNY_Y_CODE
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FUNNY_Y_CODE
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FUNNY_Y_CODE
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FUNNY_Y_CODE
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FUNNY_Y_CODE
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:: "m" (src), "m" (dst), "m" (dstWidth), "m" ((xInc*4)>>16),
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"m" ((xInc*4)&0xFFFF), "m" (xInc&0xFFFF)
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: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
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);
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for(i=dstWidth-1; (i*xInc)>>16 >=srcWidth-1; i--) dst[i] = src[srcWidth-1]*128;
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}
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else
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{
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#endif
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//NO MMX just normal asm ...
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asm volatile(
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"xorl %%eax, %%eax \n\t" // i
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"xorl %%ebx, %%ebx \n\t" // xx
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"xorl %%ecx, %%ecx \n\t" // 2*xalpha
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"1: \n\t"
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"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
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"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
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"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
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"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
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"shll $16, %%edi \n\t"
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"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
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"movl %1, %%edi \n\t"
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"shrl $9, %%esi \n\t"
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"movw %%si, (%%edi, %%eax, 2) \n\t"
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"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
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"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
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"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
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"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
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"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
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"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
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"shll $16, %%edi \n\t"
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"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
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"movl %1, %%edi \n\t"
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"shrl $9, %%esi \n\t"
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"movw %%si, 2(%%edi, %%eax, 2) \n\t"
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"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
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"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
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"addl $2, %%eax \n\t"
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"cmpl %2, %%eax \n\t"
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" jb 1b \n\t"
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:: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc>>16), "m" (xInc&0xFFFF)
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: "%eax", "%ebx", "%ecx", "%edi", "%esi"
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);
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#ifdef HAVE_MMX2
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} //if MMX2 cant be used
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#endif
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#else
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for(i=0;i<dstWidth;i++){
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register unsigned int xx=xpos>>16;
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register unsigned int xalpha=(xpos&0xFFFF)>>9;
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dst[i]=(src[xx]*(xalpha^127)+src[xx+1]*xalpha);
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xpos+=xInc;
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}
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#endif
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}
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inline static void hcscale(uint16_t *dst, int dstWidth,
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uint8_t *src1, uint8_t *src2, int srcWidth, int xInc)
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{
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int xpos=0;
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int i;
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#ifdef ARCH_X86
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#ifdef HAVE_MMX2
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if(canMMX2BeUsed)
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{
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asm volatile(
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"pxor %%mm7, %%mm7 \n\t"
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"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
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"movd %5, %%mm6 \n\t" // xInc&0xFFFF
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"punpcklwd %%mm6, %%mm6 \n\t"
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"punpcklwd %%mm6, %%mm6 \n\t"
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"movq %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t"
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"paddw %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t"
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"paddw %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=xInc&0xFFFF
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"movq %%mm2, temp0 \n\t"
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"movd %4, %%mm6 \n\t" //(xInc*4)&0xFFFF
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"punpcklwd %%mm6, %%mm6 \n\t"
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"punpcklwd %%mm6, %%mm6 \n\t"
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"xorl %%eax, %%eax \n\t" // i
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"movl %0, %%esi \n\t" // src
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"movl %1, %%edi \n\t" // buf1
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"movl %3, %%edx \n\t" // (xInc*4)>>16
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"xorl %%ecx, %%ecx \n\t"
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"xorl %%ebx, %%ebx \n\t"
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"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
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#ifdef HAVE_MMX2
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#define FUNNYUVCODE \
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"prefetchnta 1024(%%esi) \n\t"\
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"prefetchnta 1056(%%esi) \n\t"\
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"prefetchnta 1088(%%esi) \n\t"\
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"call funnyUVCode \n\t"\
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"movq temp0, %%mm2 \n\t"\
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"xorl %%ecx, %%ecx \n\t"
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#else
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#define FUNNYUVCODE \
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"call funnyUVCode \n\t"\
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"movq temp0, %%mm2 \n\t"\
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"xorl %%ecx, %%ecx \n\t"
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#endif
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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"xorl %%eax, %%eax \n\t" // i
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"movl %6, %%esi \n\t" // src
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"movl %1, %%edi \n\t" // buf1
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"addl $4096, %%edi \n\t"
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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FUNNYUVCODE
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:: "m" (src1), "m" (dst), "m" (dstWidth), "m" ((xInc*4)>>16),
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"m" ((xInc*4)&0xFFFF), "m" (xInc&0xFFFF), "m" (src2)
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: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
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);
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for(i=dstWidth-1; (i*xInc)>>16 >=srcWidth/2-1; i--)
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{
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dst[i] = src1[srcWidth/2-1]*128;
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dst[i+2048] = src2[srcWidth/2-1]*128;
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}
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}
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else
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{
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#endif
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asm volatile(
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"xorl %%eax, %%eax \n\t" // i
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"xorl %%ebx, %%ebx \n\t" // xx
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"xorl %%ecx, %%ecx \n\t" // 2*xalpha
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"1: \n\t"
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"movl %0, %%esi \n\t"
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"movzbl (%%esi, %%ebx), %%edi \n\t" //src[xx]
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"movzbl 1(%%esi, %%ebx), %%esi \n\t" //src[xx+1]
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"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
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"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
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"shll $16, %%edi \n\t"
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"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
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"movl %1, %%edi \n\t"
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"shrl $9, %%esi \n\t"
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"movw %%si, (%%edi, %%eax, 2) \n\t"
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"movzbl (%5, %%ebx), %%edi \n\t" //src[xx]
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"movzbl 1(%5, %%ebx), %%esi \n\t" //src[xx+1]
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"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
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"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
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"shll $16, %%edi \n\t"
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"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
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"movl %1, %%edi \n\t"
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"shrl $9, %%esi \n\t"
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"movw %%si, 4096(%%edi, %%eax, 2)\n\t"
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"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
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"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
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"addl $1, %%eax \n\t"
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"cmpl %2, %%eax \n\t"
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" jb 1b \n\t"
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:: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc>>16), "m" (xInc&0xFFFF),
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"r" (src2)
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: "%eax", "%ebx", "%ecx", "%edi", "%esi"
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);
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#ifdef HAVE_MMX2
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} //if MMX2 cant be used
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#endif
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#else
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for(i=0;i<dstWidth;i++){
|
||||
register unsigned int xx=xpos>>16;
|
||||
register unsigned int xalpha=(xpos&0xFFFF)>>9;
|
||||
dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
|
||||
dst[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
|
||||
xpos+=xInc;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
// *** bilinear scaling and yuv->rgb conversion of yv12 slices:
|
||||
@ -898,7 +1155,6 @@ static int old_dstw= -1;
|
||||
static int old_s_xinc= -1;
|
||||
#endif
|
||||
|
||||
int canMMX2BeUsed=0;
|
||||
int srcWidth= (dstw*s_xinc + 0x8000)>>16;
|
||||
int dstUVw= fullUVIpol ? dstw : dstw/2;
|
||||
|
||||
@ -918,12 +1174,12 @@ else s_xinc = ((srcWidth-2)<<16)/(dstw-2) - 20;
|
||||
if(fullUVIpol) s_xinc2= s_xinc>>1;
|
||||
else s_xinc2= s_xinc;
|
||||
// force calculation of the horizontal interpolation of the first line
|
||||
s_last_ypos=-99;
|
||||
s_last_y1pos=-99;
|
||||
|
||||
if(y==0){
|
||||
s_srcypos=-0x8000;
|
||||
s_ypos=0;
|
||||
s_last_ypos=-99;
|
||||
s_last_y1pos=-99;
|
||||
s_srcypos= s_yinc/2 - 0x8000;
|
||||
s_ypos=0;
|
||||
#ifdef HAVE_MMX2
|
||||
// cant downscale !!!
|
||||
if((old_s_xinc != s_xinc || old_dstw!=dstw) && canMMX2BeUsed)
|
||||
@ -1060,7 +1316,6 @@ else s_xinc2= s_xinc;
|
||||
#endif // HAVE_MMX2
|
||||
} // reset counters
|
||||
|
||||
|
||||
while(1){
|
||||
unsigned char *dest=dstptr+dststride*s_ypos;
|
||||
int y0=(s_srcypos + 0xFFFF)>>16; // first luminance source line number below the dst line
|
||||
@ -1075,14 +1330,10 @@ else s_xinc2= s_xinc;
|
||||
uint16_t *uvbuf1=pix_buf_uv[(y1+1)&1]; // bottom line of the interpolated slice
|
||||
int i;
|
||||
|
||||
// if this is before the first line than use only the first src line
|
||||
if(y0==0) buf0= buf1;
|
||||
if(y1==0) uvbuf0= uvbuf1; // yes we do have to check this, its not the same as y0==0
|
||||
|
||||
if(y0>=y+h) break; // FIXME wrong, skips last lines, but they are dupliactes anyway
|
||||
|
||||
// if this is after the last line than use only the last src line
|
||||
if(y0>=y+h)
|
||||
/* if(y0>=y+h)
|
||||
{
|
||||
buf1= buf0;
|
||||
s_last_ypos=y0;
|
||||
@ -1092,270 +1343,66 @@ else s_xinc2= s_xinc;
|
||||
uvbuf1= uvbuf0;
|
||||
s_last_y1pos=y1;
|
||||
}
|
||||
|
||||
*/
|
||||
|
||||
s_ypos++; s_srcypos+=s_yinc;
|
||||
|
||||
//only interpolate the src line horizontally if we didnt do it allready
|
||||
if(s_last_ypos!=y0){
|
||||
unsigned char *src=srcptr[0]+(y0-y)*stride[0];
|
||||
unsigned int xpos=0;
|
||||
s_last_ypos=y0;
|
||||
// *** horizontal scale Y line to temp buffer
|
||||
#ifdef ARCH_X86
|
||||
|
||||
#ifdef HAVE_MMX2
|
||||
if(canMMX2BeUsed)
|
||||
if(s_last_ypos!=y0)
|
||||
{
|
||||
asm volatile(
|
||||
"pxor %%mm7, %%mm7 \n\t"
|
||||
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
|
||||
"movd %5, %%mm6 \n\t" // s_xinc&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"movq %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=s_xinc&0xFF
|
||||
"movq %%mm2, temp0 \n\t"
|
||||
"movd %4, %%mm6 \n\t" //(s_xinc*4)&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %0, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"movl %3, %%edx \n\t" // (s_xinc*4)>>16
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
"xorl %%ebx, %%ebx \n\t"
|
||||
"movw %4, %%bx \n\t" // (s_xinc*4)&0xFFFF
|
||||
#ifdef HAVE_MMX2
|
||||
#define FUNNY_Y_CODE \
|
||||
"prefetchnta 1024(%%esi) \n\t"\
|
||||
"prefetchnta 1056(%%esi) \n\t"\
|
||||
"prefetchnta 1088(%%esi) \n\t"\
|
||||
"call funnyYCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#else
|
||||
#define FUNNY_Y_CODE \
|
||||
"call funnyYCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#endif
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
|
||||
:: "m" (src), "m" (buf1), "m" (dstw), "m" ((s_xinc*4)>>16),
|
||||
"m" ((s_xinc*4)&0xFFFF), "m" (s_xinc&0xFFFF)
|
||||
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
|
||||
);
|
||||
for(i=dstw-1; (i*s_xinc)>>16 >=srcWidth-1; i--) buf1[i] = src[srcWidth-1]*128;
|
||||
}
|
||||
else
|
||||
{
|
||||
#endif
|
||||
//NO MMX just normal asm ...
|
||||
asm volatile(
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"xorl %%ebx, %%ebx \n\t" // xx
|
||||
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
|
||||
"1: \n\t"
|
||||
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, (%%edi, %%eax, 2) \n\t"
|
||||
"addw %4, %%cx \n\t" //2*xalpha += s_xinc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
|
||||
|
||||
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, 2(%%edi, %%eax, 2) \n\t"
|
||||
"addw %4, %%cx \n\t" //2*xalpha += s_xinc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
|
||||
|
||||
|
||||
"addl $2, %%eax \n\t"
|
||||
"cmpl %2, %%eax \n\t"
|
||||
" jb 1b \n\t"
|
||||
|
||||
|
||||
:: "r" (src), "m" (buf1), "m" (dstw), "m" (s_xinc>>16), "m" (s_xinc&0xFFFF)
|
||||
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
|
||||
);
|
||||
#ifdef HAVE_MMX2
|
||||
} //if MMX2 cant be used
|
||||
#endif
|
||||
#else
|
||||
for(i=0;i<dstw;i++){
|
||||
register unsigned int xx=xpos>>16;
|
||||
register unsigned int xalpha=(xpos&0xFFFF)>>9;
|
||||
buf1[i]=(src[xx]*(xalpha^127)+src[xx+1]*xalpha);
|
||||
xpos+=s_xinc;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
// *** horizontal scale U and V lines to temp buffer
|
||||
if(s_last_y1pos!=y1){
|
||||
unsigned char *src1=srcptr[1]+(y1-y/2)*stride[1];
|
||||
unsigned char *src2=srcptr[2]+(y1-y/2)*stride[2];
|
||||
int xpos=0;
|
||||
s_last_y1pos= y1;
|
||||
#ifdef ARCH_X86
|
||||
#ifdef HAVE_MMX2
|
||||
if(canMMX2BeUsed)
|
||||
{
|
||||
asm volatile(
|
||||
"pxor %%mm7, %%mm7 \n\t"
|
||||
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
|
||||
"movd %5, %%mm6 \n\t" // s_xinc&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"movq %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=s_xinc&0xFFFF
|
||||
"movq %%mm2, temp0 \n\t"
|
||||
"movd %4, %%mm6 \n\t" //(s_xinc*4)&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %0, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"movl %3, %%edx \n\t" // (s_xinc*4)>>16
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
"xorl %%ebx, %%ebx \n\t"
|
||||
"movw %4, %%bx \n\t" // (s_xinc*4)&0xFFFF
|
||||
|
||||
#ifdef HAVE_MMX2
|
||||
#define FUNNYUVCODE \
|
||||
"prefetchnta 1024(%%esi) \n\t"\
|
||||
"prefetchnta 1056(%%esi) \n\t"\
|
||||
"prefetchnta 1088(%%esi) \n\t"\
|
||||
"call funnyUVCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#else
|
||||
#define FUNNYUVCODE \
|
||||
"call funnyUVCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#endif
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %6, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"addl $4096, %%edi \n\t"
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
:: "m" (src1), "m" (uvbuf1), "m" (dstUVw), "m" ((s_xinc2*4)>>16),
|
||||
"m" ((s_xinc2*4)&0xFFFF), "m" (s_xinc2&0xFFFF), "m" (src2)
|
||||
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
|
||||
);
|
||||
for(i=dstUVw-1; (i*s_xinc2)>>16 >=srcWidth/2-1; i--)
|
||||
unsigned char *src;
|
||||
// skip if first line has been horiz scaled alleady
|
||||
if(s_last_ypos != y0-1)
|
||||
{
|
||||
uvbuf1[i] = src1[srcWidth/2-1]*128;
|
||||
uvbuf1[i+2048] = src2[srcWidth/2-1]*128;
|
||||
// check if first line is before any available src lines
|
||||
if(y0-1 < y) src=srcptr[0]+(0 )*stride[0];
|
||||
else src=srcptr[0]+(y0-y-1)*stride[0];
|
||||
|
||||
hyscale(buf0, dstw, src, srcWidth, s_xinc);
|
||||
}
|
||||
// check if second line is after any available src lines
|
||||
if(y0-y >= h) src=srcptr[0]+(h-1)*stride[0];
|
||||
else src=srcptr[0]+(y0-y)*stride[0];
|
||||
|
||||
// the min() is required to avoid reuseing lines which where not available
|
||||
s_last_ypos= MIN(y0, y+h-1);
|
||||
hyscale(buf1, dstw, src, srcWidth, s_xinc);
|
||||
}
|
||||
else
|
||||
// printf("%d %d %d %d\n", y, y1, s_last_y1pos, h);
|
||||
// *** horizontal scale U and V lines to temp buffer
|
||||
if(s_last_y1pos!=y1)
|
||||
{
|
||||
#endif
|
||||
asm volatile(
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"xorl %%ebx, %%ebx \n\t" // xx
|
||||
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
|
||||
"1: \n\t"
|
||||
"movl %0, %%esi \n\t"
|
||||
"movzbl (%%esi, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%%esi, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, (%%edi, %%eax, 2) \n\t"
|
||||
uint8_t *src1, *src2;
|
||||
// skip if first line has been horiz scaled alleady
|
||||
if(s_last_y1pos != y1-1)
|
||||
{
|
||||
// check if first line is before any available src lines
|
||||
if(y1-y/2-1 < 0)
|
||||
{
|
||||
src1= srcptr[1]+(0)*stride[1];
|
||||
src2= srcptr[2]+(0)*stride[2];
|
||||
}else{
|
||||
src1= srcptr[1]+(y1-y/2-1)*stride[1];
|
||||
src2= srcptr[2]+(y1-y/2-1)*stride[2];
|
||||
}
|
||||
hcscale(uvbuf0, dstUVw, src1, src2, srcWidth, s_xinc2);
|
||||
}
|
||||
|
||||
"movzbl (%5, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%5, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, 4096(%%edi, %%eax, 2)\n\t"
|
||||
// check if second line is after any available src lines
|
||||
if(y1 - y/2 >= h/2)
|
||||
{
|
||||
src1= srcptr[1]+(h/2-1)*stride[1];
|
||||
src2= srcptr[2]+(h/2-1)*stride[2];
|
||||
}else{
|
||||
src1= srcptr[1]+(y1-y/2)*stride[1];
|
||||
src2= srcptr[2]+(y1-y/2)*stride[2];
|
||||
}
|
||||
hcscale(uvbuf1, dstUVw, src1, src2, srcWidth, s_xinc2);
|
||||
|
||||
"addw %4, %%cx \n\t" //2*xalpha += s_xinc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
|
||||
"addl $1, %%eax \n\t"
|
||||
"cmpl %2, %%eax \n\t"
|
||||
" jb 1b \n\t"
|
||||
|
||||
:: "m" (src1), "m" (uvbuf1), "m" (dstUVw), "m" (s_xinc2>>16), "m" (s_xinc2&0xFFFF),
|
||||
"r" (src2)
|
||||
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
|
||||
);
|
||||
#ifdef HAVE_MMX2
|
||||
} //if MMX2 cant be used
|
||||
#endif
|
||||
#else
|
||||
for(i=0;i<dstUVw;i++){
|
||||
register unsigned int xx=xpos>>16;
|
||||
register unsigned int xalpha=(xpos&0xFFFF)>>9;
|
||||
uvbuf1[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
|
||||
uvbuf1[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
|
||||
xpos+=s_xinc2;
|
||||
}
|
||||
#endif
|
||||
// if this is the line before the first line
|
||||
if(s_srcypos == s_xinc - 0x8000)
|
||||
{
|
||||
s_srcypos= s_yinc/2 - 0x8000;
|
||||
continue;
|
||||
// the min() is required to avoid reuseing lines which where not available
|
||||
s_last_y1pos= MIN(y1, y/2+h/2-1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if(ABS(s_yinc - 0x10000) < 10)
|
||||
yuv2rgb1(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp);
|
||||
|
||||
@ -33,6 +33,8 @@ more intelligent missalignment avoidance for the horizontal scaler
|
||||
*/
|
||||
|
||||
#define ABS(a) ((a) > 0 ? (a) : (-(a)))
|
||||
#define MIN(a,b) ((a) > (b) ? (b) : (a))
|
||||
#define MAX(a,b) ((a) < (b) ? (b) : (a))
|
||||
|
||||
#ifdef HAVE_MMX2
|
||||
#define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
|
||||
@ -103,6 +105,8 @@ static int yuvtab_40cf[256];
|
||||
static uint8_t funnyYCode[10000];
|
||||
static uint8_t funnyUVCode[10000];
|
||||
|
||||
static int canMMX2BeUsed=0;
|
||||
|
||||
#define FULL_YSCALEYUV2RGB \
|
||||
"pxor %%mm7, %%mm7 \n\t"\
|
||||
"movd %6, %%mm6 \n\t" /*yalpha1*/\
|
||||
@ -616,9 +620,9 @@ FULL_YSCALEYUV2RGB
|
||||
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
|
||||
(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<3)&0x07E0 |
|
||||
(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<8)&0xF800;
|
||||
(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<3)&0x07E0) |
|
||||
((clip_table[(Y + yuvtab_40cf[V]) >>13]<<8)&0xF800);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
@ -631,9 +635,9 @@ FULL_YSCALEYUV2RGB
|
||||
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
|
||||
(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<2)&0x03E0 |
|
||||
(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<7)&0x7C00;
|
||||
(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<2)&0x03E0) |
|
||||
((clip_table[(Y + yuvtab_40cf[V]) >>13]<<7)&0x7C00);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
@ -724,9 +728,9 @@ FULL_YSCALEYUV2RGB
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
|
||||
(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<3)&0x07E0 |
|
||||
(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<8)&0xF800;
|
||||
(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<3)&0x07E0) |
|
||||
((clip_table[(Y + yuvtab_40cf[V]) >>13]<<8)&0xF800);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
@ -739,9 +743,9 @@ FULL_YSCALEYUV2RGB
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
|
||||
(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<2)&0x03E0 |
|
||||
(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<7)&0x7C00;
|
||||
(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<2)&0x03E0) |
|
||||
((clip_table[(Y + yuvtab_40cf[V]) >>13]<<7)&0x7C00);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
@ -841,9 +845,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
|
||||
(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<3)&0x07E0 |
|
||||
(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<8)&0xF800;
|
||||
(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<3)&0x07E0) |
|
||||
((clip_table[(Y + yuvtab_40cf[V]) >>13]<<8)&0xF800);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
@ -856,9 +860,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
|
||||
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
|
||||
|
||||
((uint16_t*)dest)[0] =
|
||||
(clip_table[((Y + yuvtab_3343[U]) >>13)]>>3) |
|
||||
(clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)]<<2)&0x03E0 |
|
||||
(clip_table[((Y + yuvtab_40cf[V]) >>13)]<<7)&0x7C00;
|
||||
(clip_table[(Y + yuvtab_3343[U]) >>13]>>3) |
|
||||
((clip_table[(Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13]<<2)&0x03E0) |
|
||||
((clip_table[(Y + yuvtab_40cf[V]) >>13]<<7)&0x7C00);
|
||||
dest+=2;
|
||||
}
|
||||
}
|
||||
@ -866,6 +870,259 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
|
||||
}
|
||||
|
||||
|
||||
static inline void hyscale(uint16_t *dst, int dstWidth, uint8_t *src, int srcWidth, int xInc)
|
||||
{
|
||||
int i;
|
||||
unsigned int xpos=0;
|
||||
// *** horizontal scale Y line to temp buffer
|
||||
#ifdef ARCH_X86
|
||||
|
||||
#ifdef HAVE_MMX2
|
||||
if(canMMX2BeUsed)
|
||||
{
|
||||
asm volatile(
|
||||
"pxor %%mm7, %%mm7 \n\t"
|
||||
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
|
||||
"movd %5, %%mm6 \n\t" // xInc&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"movq %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=xInc&0xFF
|
||||
"movq %%mm2, temp0 \n\t"
|
||||
"movd %4, %%mm6 \n\t" //(xInc*4)&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %0, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"movl %3, %%edx \n\t" // (xInc*4)>>16
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
"xorl %%ebx, %%ebx \n\t"
|
||||
"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
|
||||
#ifdef HAVE_MMX2
|
||||
#define FUNNY_Y_CODE \
|
||||
"prefetchnta 1024(%%esi) \n\t"\
|
||||
"prefetchnta 1056(%%esi) \n\t"\
|
||||
"prefetchnta 1088(%%esi) \n\t"\
|
||||
"call funnyYCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#else
|
||||
#define FUNNY_Y_CODE \
|
||||
"call funnyYCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#endif
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
|
||||
:: "m" (src), "m" (dst), "m" (dstWidth), "m" ((xInc*4)>>16),
|
||||
"m" ((xInc*4)&0xFFFF), "m" (xInc&0xFFFF)
|
||||
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
|
||||
);
|
||||
for(i=dstWidth-1; (i*xInc)>>16 >=srcWidth-1; i--) dst[i] = src[srcWidth-1]*128;
|
||||
}
|
||||
else
|
||||
{
|
||||
#endif
|
||||
//NO MMX just normal asm ...
|
||||
asm volatile(
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"xorl %%ebx, %%ebx \n\t" // xx
|
||||
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
|
||||
"1: \n\t"
|
||||
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, (%%edi, %%eax, 2) \n\t"
|
||||
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
|
||||
|
||||
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, 2(%%edi, %%eax, 2) \n\t"
|
||||
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
|
||||
|
||||
|
||||
"addl $2, %%eax \n\t"
|
||||
"cmpl %2, %%eax \n\t"
|
||||
" jb 1b \n\t"
|
||||
|
||||
|
||||
:: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc>>16), "m" (xInc&0xFFFF)
|
||||
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
|
||||
);
|
||||
#ifdef HAVE_MMX2
|
||||
} //if MMX2 cant be used
|
||||
#endif
|
||||
#else
|
||||
for(i=0;i<dstWidth;i++){
|
||||
register unsigned int xx=xpos>>16;
|
||||
register unsigned int xalpha=(xpos&0xFFFF)>>9;
|
||||
dst[i]=(src[xx]*(xalpha^127)+src[xx+1]*xalpha);
|
||||
xpos+=xInc;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
inline static void hcscale(uint16_t *dst, int dstWidth,
|
||||
uint8_t *src1, uint8_t *src2, int srcWidth, int xInc)
|
||||
{
|
||||
int xpos=0;
|
||||
int i;
|
||||
#ifdef ARCH_X86
|
||||
#ifdef HAVE_MMX2
|
||||
if(canMMX2BeUsed)
|
||||
{
|
||||
asm volatile(
|
||||
"pxor %%mm7, %%mm7 \n\t"
|
||||
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
|
||||
"movd %5, %%mm6 \n\t" // xInc&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"movq %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=xInc&0xFFFF
|
||||
"movq %%mm2, temp0 \n\t"
|
||||
"movd %4, %%mm6 \n\t" //(xInc*4)&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %0, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"movl %3, %%edx \n\t" // (xInc*4)>>16
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
"xorl %%ebx, %%ebx \n\t"
|
||||
"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
|
||||
|
||||
#ifdef HAVE_MMX2
|
||||
#define FUNNYUVCODE \
|
||||
"prefetchnta 1024(%%esi) \n\t"\
|
||||
"prefetchnta 1056(%%esi) \n\t"\
|
||||
"prefetchnta 1088(%%esi) \n\t"\
|
||||
"call funnyUVCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#else
|
||||
#define FUNNYUVCODE \
|
||||
"call funnyUVCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#endif
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %6, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"addl $4096, %%edi \n\t"
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
:: "m" (src1), "m" (dst), "m" (dstWidth), "m" ((xInc*4)>>16),
|
||||
"m" ((xInc*4)&0xFFFF), "m" (xInc&0xFFFF), "m" (src2)
|
||||
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
|
||||
);
|
||||
for(i=dstWidth-1; (i*xInc)>>16 >=srcWidth/2-1; i--)
|
||||
{
|
||||
dst[i] = src1[srcWidth/2-1]*128;
|
||||
dst[i+2048] = src2[srcWidth/2-1]*128;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#endif
|
||||
asm volatile(
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"xorl %%ebx, %%ebx \n\t" // xx
|
||||
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
|
||||
"1: \n\t"
|
||||
"movl %0, %%esi \n\t"
|
||||
"movzbl (%%esi, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%%esi, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, (%%edi, %%eax, 2) \n\t"
|
||||
|
||||
"movzbl (%5, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%5, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, 4096(%%edi, %%eax, 2)\n\t"
|
||||
|
||||
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
|
||||
"addl $1, %%eax \n\t"
|
||||
"cmpl %2, %%eax \n\t"
|
||||
" jb 1b \n\t"
|
||||
|
||||
:: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc>>16), "m" (xInc&0xFFFF),
|
||||
"r" (src2)
|
||||
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
|
||||
);
|
||||
#ifdef HAVE_MMX2
|
||||
} //if MMX2 cant be used
|
||||
#endif
|
||||
#else
|
||||
for(i=0;i<dstWidth;i++){
|
||||
register unsigned int xx=xpos>>16;
|
||||
register unsigned int xalpha=(xpos&0xFFFF)>>9;
|
||||
dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
|
||||
dst[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
|
||||
xpos+=xInc;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
// *** bilinear scaling and yuv->rgb conversion of yv12 slices:
|
||||
@ -898,7 +1155,6 @@ static int old_dstw= -1;
|
||||
static int old_s_xinc= -1;
|
||||
#endif
|
||||
|
||||
int canMMX2BeUsed=0;
|
||||
int srcWidth= (dstw*s_xinc + 0x8000)>>16;
|
||||
int dstUVw= fullUVIpol ? dstw : dstw/2;
|
||||
|
||||
@ -918,12 +1174,12 @@ else s_xinc = ((srcWidth-2)<<16)/(dstw-2) - 20;
|
||||
if(fullUVIpol) s_xinc2= s_xinc>>1;
|
||||
else s_xinc2= s_xinc;
|
||||
// force calculation of the horizontal interpolation of the first line
|
||||
s_last_ypos=-99;
|
||||
s_last_y1pos=-99;
|
||||
|
||||
if(y==0){
|
||||
s_srcypos=-0x8000;
|
||||
s_ypos=0;
|
||||
s_last_ypos=-99;
|
||||
s_last_y1pos=-99;
|
||||
s_srcypos= s_yinc/2 - 0x8000;
|
||||
s_ypos=0;
|
||||
#ifdef HAVE_MMX2
|
||||
// cant downscale !!!
|
||||
if((old_s_xinc != s_xinc || old_dstw!=dstw) && canMMX2BeUsed)
|
||||
@ -1060,7 +1316,6 @@ else s_xinc2= s_xinc;
|
||||
#endif // HAVE_MMX2
|
||||
} // reset counters
|
||||
|
||||
|
||||
while(1){
|
||||
unsigned char *dest=dstptr+dststride*s_ypos;
|
||||
int y0=(s_srcypos + 0xFFFF)>>16; // first luminance source line number below the dst line
|
||||
@ -1075,14 +1330,10 @@ else s_xinc2= s_xinc;
|
||||
uint16_t *uvbuf1=pix_buf_uv[(y1+1)&1]; // bottom line of the interpolated slice
|
||||
int i;
|
||||
|
||||
// if this is before the first line than use only the first src line
|
||||
if(y0==0) buf0= buf1;
|
||||
if(y1==0) uvbuf0= uvbuf1; // yes we do have to check this, its not the same as y0==0
|
||||
|
||||
if(y0>=y+h) break; // FIXME wrong, skips last lines, but they are dupliactes anyway
|
||||
|
||||
// if this is after the last line than use only the last src line
|
||||
if(y0>=y+h)
|
||||
/* if(y0>=y+h)
|
||||
{
|
||||
buf1= buf0;
|
||||
s_last_ypos=y0;
|
||||
@ -1092,270 +1343,66 @@ else s_xinc2= s_xinc;
|
||||
uvbuf1= uvbuf0;
|
||||
s_last_y1pos=y1;
|
||||
}
|
||||
|
||||
*/
|
||||
|
||||
s_ypos++; s_srcypos+=s_yinc;
|
||||
|
||||
//only interpolate the src line horizontally if we didnt do it allready
|
||||
if(s_last_ypos!=y0){
|
||||
unsigned char *src=srcptr[0]+(y0-y)*stride[0];
|
||||
unsigned int xpos=0;
|
||||
s_last_ypos=y0;
|
||||
// *** horizontal scale Y line to temp buffer
|
||||
#ifdef ARCH_X86
|
||||
|
||||
#ifdef HAVE_MMX2
|
||||
if(canMMX2BeUsed)
|
||||
if(s_last_ypos!=y0)
|
||||
{
|
||||
asm volatile(
|
||||
"pxor %%mm7, %%mm7 \n\t"
|
||||
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
|
||||
"movd %5, %%mm6 \n\t" // s_xinc&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"movq %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=s_xinc&0xFF
|
||||
"movq %%mm2, temp0 \n\t"
|
||||
"movd %4, %%mm6 \n\t" //(s_xinc*4)&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %0, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"movl %3, %%edx \n\t" // (s_xinc*4)>>16
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
"xorl %%ebx, %%ebx \n\t"
|
||||
"movw %4, %%bx \n\t" // (s_xinc*4)&0xFFFF
|
||||
#ifdef HAVE_MMX2
|
||||
#define FUNNY_Y_CODE \
|
||||
"prefetchnta 1024(%%esi) \n\t"\
|
||||
"prefetchnta 1056(%%esi) \n\t"\
|
||||
"prefetchnta 1088(%%esi) \n\t"\
|
||||
"call funnyYCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#else
|
||||
#define FUNNY_Y_CODE \
|
||||
"call funnyYCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#endif
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
FUNNY_Y_CODE
|
||||
|
||||
:: "m" (src), "m" (buf1), "m" (dstw), "m" ((s_xinc*4)>>16),
|
||||
"m" ((s_xinc*4)&0xFFFF), "m" (s_xinc&0xFFFF)
|
||||
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
|
||||
);
|
||||
for(i=dstw-1; (i*s_xinc)>>16 >=srcWidth-1; i--) buf1[i] = src[srcWidth-1]*128;
|
||||
}
|
||||
else
|
||||
{
|
||||
#endif
|
||||
//NO MMX just normal asm ...
|
||||
asm volatile(
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"xorl %%ebx, %%ebx \n\t" // xx
|
||||
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
|
||||
"1: \n\t"
|
||||
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, (%%edi, %%eax, 2) \n\t"
|
||||
"addw %4, %%cx \n\t" //2*xalpha += s_xinc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
|
||||
|
||||
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, 2(%%edi, %%eax, 2) \n\t"
|
||||
"addw %4, %%cx \n\t" //2*xalpha += s_xinc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
|
||||
|
||||
|
||||
"addl $2, %%eax \n\t"
|
||||
"cmpl %2, %%eax \n\t"
|
||||
" jb 1b \n\t"
|
||||
|
||||
|
||||
:: "r" (src), "m" (buf1), "m" (dstw), "m" (s_xinc>>16), "m" (s_xinc&0xFFFF)
|
||||
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
|
||||
);
|
||||
#ifdef HAVE_MMX2
|
||||
} //if MMX2 cant be used
|
||||
#endif
|
||||
#else
|
||||
for(i=0;i<dstw;i++){
|
||||
register unsigned int xx=xpos>>16;
|
||||
register unsigned int xalpha=(xpos&0xFFFF)>>9;
|
||||
buf1[i]=(src[xx]*(xalpha^127)+src[xx+1]*xalpha);
|
||||
xpos+=s_xinc;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
// *** horizontal scale U and V lines to temp buffer
|
||||
if(s_last_y1pos!=y1){
|
||||
unsigned char *src1=srcptr[1]+(y1-y/2)*stride[1];
|
||||
unsigned char *src2=srcptr[2]+(y1-y/2)*stride[2];
|
||||
int xpos=0;
|
||||
s_last_y1pos= y1;
|
||||
#ifdef ARCH_X86
|
||||
#ifdef HAVE_MMX2
|
||||
if(canMMX2BeUsed)
|
||||
{
|
||||
asm volatile(
|
||||
"pxor %%mm7, %%mm7 \n\t"
|
||||
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
|
||||
"movd %5, %%mm6 \n\t" // s_xinc&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"movq %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t"
|
||||
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=s_xinc&0xFFFF
|
||||
"movq %%mm2, temp0 \n\t"
|
||||
"movd %4, %%mm6 \n\t" //(s_xinc*4)&0xFFFF
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"punpcklwd %%mm6, %%mm6 \n\t"
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %0, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"movl %3, %%edx \n\t" // (s_xinc*4)>>16
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
"xorl %%ebx, %%ebx \n\t"
|
||||
"movw %4, %%bx \n\t" // (s_xinc*4)&0xFFFF
|
||||
|
||||
#ifdef HAVE_MMX2
|
||||
#define FUNNYUVCODE \
|
||||
"prefetchnta 1024(%%esi) \n\t"\
|
||||
"prefetchnta 1056(%%esi) \n\t"\
|
||||
"prefetchnta 1088(%%esi) \n\t"\
|
||||
"call funnyUVCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#else
|
||||
#define FUNNYUVCODE \
|
||||
"call funnyUVCode \n\t"\
|
||||
"movq temp0, %%mm2 \n\t"\
|
||||
"xorl %%ecx, %%ecx \n\t"
|
||||
#endif
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"movl %6, %%esi \n\t" // src
|
||||
"movl %1, %%edi \n\t" // buf1
|
||||
"addl $4096, %%edi \n\t"
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
FUNNYUVCODE
|
||||
|
||||
:: "m" (src1), "m" (uvbuf1), "m" (dstUVw), "m" ((s_xinc2*4)>>16),
|
||||
"m" ((s_xinc2*4)&0xFFFF), "m" (s_xinc2&0xFFFF), "m" (src2)
|
||||
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
|
||||
);
|
||||
for(i=dstUVw-1; (i*s_xinc2)>>16 >=srcWidth/2-1; i--)
|
||||
unsigned char *src;
|
||||
// skip if first line has been horiz scaled alleady
|
||||
if(s_last_ypos != y0-1)
|
||||
{
|
||||
uvbuf1[i] = src1[srcWidth/2-1]*128;
|
||||
uvbuf1[i+2048] = src2[srcWidth/2-1]*128;
|
||||
// check if first line is before any available src lines
|
||||
if(y0-1 < y) src=srcptr[0]+(0 )*stride[0];
|
||||
else src=srcptr[0]+(y0-y-1)*stride[0];
|
||||
|
||||
hyscale(buf0, dstw, src, srcWidth, s_xinc);
|
||||
}
|
||||
// check if second line is after any available src lines
|
||||
if(y0-y >= h) src=srcptr[0]+(h-1)*stride[0];
|
||||
else src=srcptr[0]+(y0-y)*stride[0];
|
||||
|
||||
// the min() is required to avoid reuseing lines which where not available
|
||||
s_last_ypos= MIN(y0, y+h-1);
|
||||
hyscale(buf1, dstw, src, srcWidth, s_xinc);
|
||||
}
|
||||
else
|
||||
// printf("%d %d %d %d\n", y, y1, s_last_y1pos, h);
|
||||
// *** horizontal scale U and V lines to temp buffer
|
||||
if(s_last_y1pos!=y1)
|
||||
{
|
||||
#endif
|
||||
asm volatile(
|
||||
"xorl %%eax, %%eax \n\t" // i
|
||||
"xorl %%ebx, %%ebx \n\t" // xx
|
||||
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
|
||||
"1: \n\t"
|
||||
"movl %0, %%esi \n\t"
|
||||
"movzbl (%%esi, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%%esi, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, (%%edi, %%eax, 2) \n\t"
|
||||
uint8_t *src1, *src2;
|
||||
// skip if first line has been horiz scaled alleady
|
||||
if(s_last_y1pos != y1-1)
|
||||
{
|
||||
// check if first line is before any available src lines
|
||||
if(y1-y/2-1 < 0)
|
||||
{
|
||||
src1= srcptr[1]+(0)*stride[1];
|
||||
src2= srcptr[2]+(0)*stride[2];
|
||||
}else{
|
||||
src1= srcptr[1]+(y1-y/2-1)*stride[1];
|
||||
src2= srcptr[2]+(y1-y/2-1)*stride[2];
|
||||
}
|
||||
hcscale(uvbuf0, dstUVw, src1, src2, srcWidth, s_xinc2);
|
||||
}
|
||||
|
||||
"movzbl (%5, %%ebx), %%edi \n\t" //src[xx]
|
||||
"movzbl 1(%5, %%ebx), %%esi \n\t" //src[xx+1]
|
||||
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
|
||||
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
|
||||
"shll $16, %%edi \n\t"
|
||||
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
||||
"movl %1, %%edi \n\t"
|
||||
"shrl $9, %%esi \n\t"
|
||||
"movw %%si, 4096(%%edi, %%eax, 2)\n\t"
|
||||
// check if second line is after any available src lines
|
||||
if(y1 - y/2 >= h/2)
|
||||
{
|
||||
src1= srcptr[1]+(h/2-1)*stride[1];
|
||||
src2= srcptr[2]+(h/2-1)*stride[2];
|
||||
}else{
|
||||
src1= srcptr[1]+(y1-y/2)*stride[1];
|
||||
src2= srcptr[2]+(y1-y/2)*stride[2];
|
||||
}
|
||||
hcscale(uvbuf1, dstUVw, src1, src2, srcWidth, s_xinc2);
|
||||
|
||||
"addw %4, %%cx \n\t" //2*xalpha += s_xinc&0xFF
|
||||
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
|
||||
"addl $1, %%eax \n\t"
|
||||
"cmpl %2, %%eax \n\t"
|
||||
" jb 1b \n\t"
|
||||
|
||||
:: "m" (src1), "m" (uvbuf1), "m" (dstUVw), "m" (s_xinc2>>16), "m" (s_xinc2&0xFFFF),
|
||||
"r" (src2)
|
||||
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
|
||||
);
|
||||
#ifdef HAVE_MMX2
|
||||
} //if MMX2 cant be used
|
||||
#endif
|
||||
#else
|
||||
for(i=0;i<dstUVw;i++){
|
||||
register unsigned int xx=xpos>>16;
|
||||
register unsigned int xalpha=(xpos&0xFFFF)>>9;
|
||||
uvbuf1[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
|
||||
uvbuf1[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
|
||||
xpos+=s_xinc2;
|
||||
}
|
||||
#endif
|
||||
// if this is the line before the first line
|
||||
if(s_srcypos == s_xinc - 0x8000)
|
||||
{
|
||||
s_srcypos= s_yinc/2 - 0x8000;
|
||||
continue;
|
||||
// the min() is required to avoid reuseing lines which where not available
|
||||
s_last_y1pos= MIN(y1, y/2+h/2-1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if(ABS(s_yinc - 0x10000) < 10)
|
||||
yuv2rgb1(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user