mirror of
https://github.com/FFmpeg/FFmpeg.git
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672 lines
19 KiB
C
672 lines
19 KiB
C
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// Software scaling and colorspace conversion routines for MPlayer
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#include <inttypes.h>
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#include "../config.h"
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#undef HAVE_MMX2 //code is buggy
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//#undef HAVE_MMX
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#define RET 0xC3 //near return opcode
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// temporary storage for 4 yuv lines:
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// 16bit for now (mmx likes it more compact)
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static uint16_t pix_buf_y[4][2048];
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static uint16_t pix_buf_uv[2][2048*2];
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// clipping helper table for C implementations:
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static unsigned char clip_table[768];
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// yuv->rgb conversion tables:
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static int yuvtab_2568[256];
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static int yuvtab_3343[256];
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static int yuvtab_0c92[256];
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static int yuvtab_1a1e[256];
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static int yuvtab_40cf[256];
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static uint64_t yCoeff= 0x2568256825682568LL;
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static uint64_t ubCoeff= 0x3343334333433343LL;
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static uint64_t vrCoeff= 0x40cf40cf40cf40cfLL;
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static uint64_t ugCoeff= 0xE5E2E5E2E5E2E5E2LL;
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static uint64_t vgCoeff= 0xF36EF36EF36EF36ELL;
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static uint64_t w80= 0x0080008000800080LL;
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static uint64_t w10= 0x0010001000100010LL;
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static uint64_t b16Dither= 0x0004000400040004LL;
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static uint64_t b16Dither1=0x0004000400040004LL;
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static uint64_t b16Dither2=0x0602060206020602LL;
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static uint64_t g16Dither= 0x0002000200020002LL;
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static uint64_t g16Dither1=0x0002000200020002LL;
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static uint64_t g16Dither2=0x0301030103010301LL;
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static uint64_t b16Mask= 0x001F001F001F001FLL;
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static uint64_t g16Mask= 0x07E007E007E007E0LL;
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static uint64_t r16Mask= 0xF800F800F800F800LL;
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static uint64_t temp0;
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static uint8_t funnyYCode[10000];
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static uint8_t funnyUVCode[10000];
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// *** bilinear scaling and yuv->rgb conversion of yv12 slices:
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// *** Note: it's called multiple times while decoding a frame, first time y==0
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// *** Designed to upscale, but may work for downscale too.
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// s_xinc = (src_width << 8) / dst_width
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// s_yinc = (src_height << 16) / dst_height
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void SwScale_YV12slice_brg24(unsigned char* srcptr[],int stride[], int y, int h,
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unsigned char* dstptr, int dststride, int dstw, int dstbpp,
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unsigned int s_xinc,unsigned int s_yinc){
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// scaling factors:
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//static int s_yinc=(vo_dga_src_height<<16)/vo_dga_vp_height;
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//static int s_xinc=(vo_dga_src_width<<8)/vo_dga_vp_width;
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unsigned int s_xinc2=s_xinc>>1;
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static int s_srcypos;
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static int s_ypos;
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static int s_last_ypos;
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static int static_dstw;
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#ifdef HAVE_MMX2
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static int old_dstw= -1;
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static int old_s_xinc= -1;
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#endif
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s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each other
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if(y==0){
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s_srcypos=-2*s_yinc;
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s_ypos=-2;
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s_last_ypos=-2;
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#ifdef HAVE_MMX2
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// cant downscale !!!
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if(old_s_xinc != s_xinc || old_dstw!=dstw)
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{
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uint8_t *fragment;
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int imm8OfPShufW1;
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int imm8OfPShufW2;
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int fragmentLength;
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int xpos, xx, xalpha, i;
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old_s_xinc= s_xinc;
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old_dstw= dstw;
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static_dstw= dstw;
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// create an optimized horizontal scaling routine
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//code fragment
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// fragmentLength=0;
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// printf("%d, %d\n", fragmentLength,imm8OfPShufW1);
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asm volatile(
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"jmp 9f \n\t"
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// Begin
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"0: \n\t"
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"movq (%%esi, %%ebx), %%mm0 \n\t" //FIXME Alignment
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"movq %%mm0, %%mm1 \n\t"
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"psrlq $8, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"pshufw $0xFF, %%mm1, %%mm1 \n\t"
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"1: \n\t"
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"pshufw $0xFF, %%mm0, %%mm0 \n\t"
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"2: \n\t"
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"psubw %%mm1, %%mm0 \n\t"
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"psraw $1, %%mm0 \n\t"
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"pmullw %%mm2, %%mm0 \n\t"
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"psllw $7, %%mm1 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"movq %%mm0, (%%edi, %%eax) \n\t"
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"paddb %%mm6, %%mm2 \n\t" // 2*alpha += xpos&0xFF
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"addb %%ch, %%cl \n\t" //2*xalpha += (4*s_xinc)&0xFF
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"adcl %%edx, %%ebx \n\t" //xx+= (4*s_xinc)>>8 + carry
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"addl $8, %%eax \n\t"
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// End
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"9: \n\t"
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// "int $3\n\t"
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"leal 0b, %0 \n\t"
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"leal 1b, %1 \n\t"
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"leal 2b, %2 \n\t"
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"decl %1 \n\t"
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"decl %2 \n\t"
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"subl %0, %1 \n\t"
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"subl %0, %2 \n\t"
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"leal 9b, %3 \n\t"
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"subl %0, %3 \n\t"
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:"=r" (fragment), "=r" (imm8OfPShufW1), "=r" (imm8OfPShufW2),
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"=r" (fragmentLength)
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);
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xpos= xx=xalpha= 0;
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//FIXME choose size and or xinc so that they fit exactly
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for(i=0; i<dstw/8; i++)
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{
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int xx=xpos>>8;
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if((i&3) == 0)
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{
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int a=0;
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int b=((xpos+s_xinc)>>8) - xx;
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int c=((xpos+s_xinc*2)>>8) - xx;
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int d=((xpos+s_xinc*3)>>8) - xx;
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memcpy(funnyYCode + fragmentLength*i/4, fragment, fragmentLength);
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funnyYCode[fragmentLength*i/4 + imm8OfPShufW1]=
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funnyYCode[fragmentLength*i/4 + imm8OfPShufW2]=
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a | (b<<2) | (c<<4) | (d<<6);
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funnyYCode[fragmentLength*(i+4)/4]= RET;
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}
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xpos+=s_xinc;
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}
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xpos= xx=xalpha= 0;
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//FIXME choose size and or xinc so that they fit exactly
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for(i=0; i<dstw/8; i++)
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{
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int xx=xpos>>8;
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if((i&3) == 0)
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{
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int a=0;
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int b=((xpos+s_xinc2)>>8) - xx;
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int c=((xpos+s_xinc2*2)>>8) - xx;
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int d=((xpos+s_xinc2*3)>>8) - xx;
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memcpy(funnyUVCode + fragmentLength*i/4, fragment, fragmentLength);
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funnyUVCode[fragmentLength*i/4 + imm8OfPShufW1]=
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funnyUVCode[fragmentLength*i/4 + imm8OfPShufW2]=
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a | (b<<2) | (c<<4) | (d<<6);
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funnyUVCode[fragmentLength*(i+4)/4]= RET;
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}
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xpos+=s_xinc2;
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}
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// funnyCode[0]= RET;
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}
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#endif
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} // reset counters
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while(1){
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unsigned char *dest=dstptr+dststride*s_ypos;
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int y0=2+(s_srcypos>>16);
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int y1=1+(s_srcypos>>17);
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int yalpha=(s_srcypos&0xFFFF)>>7;
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int yalpha1=yalpha^511;
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int uvalpha=((s_srcypos>>1)&0xFFFF)>>7;
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int uvalpha1=uvalpha^511;
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uint16_t *buf0=pix_buf_y[y0&3];
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uint16_t *buf1=pix_buf_y[((y0+1)&3)];
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uint16_t *uvbuf0=pix_buf_uv[y1&1];
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uint16_t *uvbuf1=pix_buf_uv[(y1&1)^1];
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int i;
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if(y0>=y+h) break;
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s_ypos++; s_srcypos+=s_yinc;
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if(s_last_ypos!=y0){
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unsigned char *src=srcptr[0]+(y0-y)*stride[0];
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unsigned int xpos=0;
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s_last_ypos=y0;
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// *** horizontal scale Y line to temp buffer
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// this loop should be rewritten in MMX assembly!!!!
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#ifdef HAVE_MMX2
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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" // s_xinc&0xFF
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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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"paddb %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t"
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"paddb %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=s_xinc&0xFF
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"movq %%mm2, temp0 \n\t"
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"movd %4, %%mm6 \n\t" //(s_xinc*4)&0xFF
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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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"xorl %%ebx, %%ebx \n\t" // xx
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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" // (s_xinc*4)>>8
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"xorl %%ecx, %%ecx \n\t"
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"movb %4, %%ch \n\t" // (s_xinc*4)&0xFF
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// "int $3\n\t"
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"call funnyYCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyYCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyYCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyYCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyYCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyYCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyYCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyYCode \n\t"
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:: "m" (src), "m" (buf1), "m" (dstw), "m" ((s_xinc*4)>>8),
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"m" ((s_xinc*4)&0xFF), "m" (s_xinc&0xFF)
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: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
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);
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#elif defined (ARCH_X86)
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//NO MMX just normal asm ... FIXME try/write funny MMX2 variant
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//FIXME add prefetch
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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 $8, %%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 $1, %%esi \n\t"
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"movw %%si, (%%edi, %%eax, 2) \n\t"
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"addb %4, %%cl \n\t" //2*xalpha += s_xinc&0xFF
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"adcl %3, %%ebx \n\t" //xx+= s_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 $8, %%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 $1, %%esi \n\t"
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"movw %%si, 2(%%edi, %%eax, 2) \n\t"
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"addb %4, %%cl \n\t" //2*xalpha += s_xinc&0xFF
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"adcl %3, %%ebx \n\t" //xx+= s_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" (buf1), "m" (dstw), "m" (s_xinc>>8), "m" (s_xinc&0xFF)
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: "%eax", "%ebx", "%ecx", "%edi", "%esi"
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);
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#else
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for(i=0;i<dstw;i++){
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register unsigned int xx=xpos>>8;
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register unsigned int xalpha=(xpos&0xFF)>>1;
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buf1[i]=(src[xx]*(xalpha^127)+src[xx+1]*xalpha);
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xpos+=s_xinc;
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}
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#endif
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// *** horizontal scale U and V lines to temp buffer
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if(!(y0&1)){
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unsigned char *src1=srcptr[1]+(y1-y/2)*stride[1];
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unsigned char *src2=srcptr[2]+(y1-y/2)*stride[2];
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xpos=0;
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// this loop should be rewritten in MMX assembly!!!!
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#ifdef HAVE_MMX2
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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" // s_xinc&0xFF
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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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"paddb %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t"
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"paddb %%mm6, %%mm2 \n\t"
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"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=s_xinc&0xFF
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"movq %%mm2, temp0 \n\t"
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"movd %4, %%mm6 \n\t" //(s_xinc*4)&0xFF
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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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"xorl %%ebx, %%ebx \n\t" // xx
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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" // (s_xinc*4)>>8
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"xorl %%ecx, %%ecx \n\t"
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"movb %4, %%ch \n\t" // (s_xinc*4)&0xFF
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// "int $3\n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"xorl %%eax, %%eax \n\t" // i
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"xorl %%ebx, %%ebx \n\t" // xx
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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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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
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"xorb %%cl, %%cl \n\t"
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"call funnyUVCode \n\t"
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"movq temp0, %%mm2 \n\t"
|
|
"xorb %%cl, %%cl \n\t"
|
|
"call funnyUVCode \n\t"
|
|
|
|
:: "m" (src1), "m" (uvbuf1), "m" (dstw), "m" ((s_xinc2*4)>>8),
|
|
"m" ((s_xinc2*4)&0xFF), "m" (s_xinc2&0xFF), "m" (src2)
|
|
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
|
|
);
|
|
|
|
#elif defined (ARCH_X86)
|
|
//NO MMX just normal asm ... FIXME try/write funny MMX2 variant
|
|
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 $8, %%edi \n\t"
|
|
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
|
"movl %1, %%edi \n\t"
|
|
"shrl $1, %%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 $8, %%edi \n\t"
|
|
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
|
|
"movl %1, %%edi \n\t"
|
|
"shrl $1, %%esi \n\t"
|
|
"movw %%si, 4096(%%edi, %%eax, 2)\n\t"
|
|
|
|
"addb %4, %%cl \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" (dstw), "m" (s_xinc2>>8), "m" (s_xinc2&0xFF),
|
|
"r" (src2)
|
|
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
|
|
);
|
|
#else
|
|
for(i=0;i<dstw;i++){
|
|
register unsigned int xx=xpos>>8;
|
|
register unsigned int xalpha=(xpos&0xFF)>>1;
|
|
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(!y0) continue;
|
|
}
|
|
|
|
// Note1: this code can be resticted to n*8 (or n*16) width lines to simplify optimization...
|
|
// Re: Note1: ok n*4 for now
|
|
// Note2: instead of using lookup tabs, mmx version could do the multiply...
|
|
// Re: Note2: yep
|
|
// Note3: maybe we should make separated 15/16, 24 and 32bpp version of this:
|
|
// Re: done (32 & 16) and 16 has dithering :) but 16 is untested
|
|
#ifdef HAVE_MMX
|
|
//FIXME write lq version with less uv ...
|
|
//FIXME reorder / optimize
|
|
if(dstbpp == 32)
|
|
{
|
|
asm volatile(
|
|
|
|
#define YSCALEYUV2RGB \
|
|
"pxor %%mm7, %%mm7 \n\t"\
|
|
"movd %6, %%mm6 \n\t" /*yalpha1*/\
|
|
"punpcklwd %%mm6, %%mm6 \n\t"\
|
|
"punpcklwd %%mm6, %%mm6 \n\t"\
|
|
"movd %7, %%mm5 \n\t" /*uvalpha1*/\
|
|
"punpcklwd %%mm5, %%mm5 \n\t"\
|
|
"punpcklwd %%mm5, %%mm5 \n\t"\
|
|
"xorl %%eax, %%eax \n\t"\
|
|
"1: \n\t"\
|
|
"movq (%0, %%eax, 2), %%mm0 \n\t" /*buf0[eax]*/\
|
|
"movq (%1, %%eax, 2), %%mm1 \n\t" /*buf1[eax]*/\
|
|
"psubw %%mm1, %%mm0 \n\t" /* buf0[eax] - buf1[eax]*/\
|
|
"pmulhw %%mm6, %%mm0 \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
|
|
"psraw $7, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>7*/\
|
|
"paddw %%mm0, %%mm1 \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
|
|
"psubw w10, %%mm1 \n\t" /* Y-16*/\
|
|
"psllw $3, %%mm1 \n\t" /* (y-16)*8*/\
|
|
"pmulhw yCoeff, %%mm1 \n\t"\
|
|
\
|
|
"movq (%2, %%eax,2), %%mm2 \n\t" /* uvbuf0[eax]*/\
|
|
"movq (%3, %%eax,2), %%mm3 \n\t" /* uvbuf1[eax]*/\
|
|
"psubw %%mm3, %%mm2 \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
|
|
"pmulhw %%mm5, %%mm2 \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
|
|
"psraw $7, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>7*/\
|
|
"paddw %%mm2, %%mm3 \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
|
|
"psubw w80, %%mm3 \n\t" /* (U-128)*/\
|
|
"psllw $3, %%mm3 \n\t" /*(U-128)8*/\
|
|
\
|
|
"movq 4096(%2, %%eax,2), %%mm4 \n\t" /* uvbuf0[eax+2048]*/\
|
|
"movq 4096(%3, %%eax,2), %%mm0 \n\t" /* uvbuf1[eax+2048]*/\
|
|
"psubw %%mm0, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
|
|
"pmulhw %%mm5, %%mm4 \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
|
|
"psraw $7, %%mm0 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>7*/\
|
|
"paddw %%mm4, %%mm0 \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
|
|
"psubw w80, %%mm0 \n\t" /* (V-128)*/\
|
|
"psllw $3, %%mm0 \n\t" /* (V-128)8*/\
|
|
\
|
|
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
|
|
"pmulhw ubCoeff, %%mm3 \n\t"\
|
|
"paddw %%mm1, %%mm3 \n\t" /* B*/\
|
|
\
|
|
"movq %%mm0, %%mm4 \n\t" /* (V-128)8*/\
|
|
"pmulhw vrCoeff, %%mm0 \n\t"\
|
|
"paddw %%mm1, %%mm0 \n\t" /* R*/\
|
|
\
|
|
"pmulhw ugCoeff, %%mm2 \n\t"\
|
|
"pmulhw vgCoeff, %%mm4 \n\t"\
|
|
"paddw %%mm4, %%mm2 \n\t"\
|
|
"paddw %%mm2, %%mm1 \n\t" /* G*/\
|
|
\
|
|
"packuswb %%mm3, %%mm3 \n\t"\
|
|
"packuswb %%mm0, %%mm0 \n\t"\
|
|
"packuswb %%mm1, %%mm1 \n\t"
|
|
|
|
YSCALEYUV2RGB
|
|
"punpcklbw %%mm1, %%mm3 \n\t" // BGBGBGBG
|
|
"punpcklbw %%mm7, %%mm0 \n\t" // R0R0R0R0
|
|
|
|
"movq %%mm3, %%mm1 \n\t"
|
|
"punpcklwd %%mm0, %%mm3 \n\t" // BGR0BGR0
|
|
"punpckhwd %%mm0, %%mm1 \n\t" // BGR0BGR0
|
|
#ifdef HAVE_MMX2
|
|
"movntq %%mm3, (%4, %%eax, 4) \n\t"
|
|
"movntq %%mm1, 8(%4, %%eax, 4) \n\t"
|
|
#else
|
|
"movq %%mm3, (%4, %%eax, 4) \n\t"
|
|
"movq %%mm1, 8(%4, %%eax, 4) \n\t"
|
|
#endif
|
|
"addl $4, %%eax \n\t"
|
|
"cmpl %5, %%eax \n\t"
|
|
" jb 1b \n\t"
|
|
|
|
|
|
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
|
|
"m" (yalpha1), "m" (uvalpha1)
|
|
: "%eax"
|
|
);
|
|
}
|
|
else if(dstbpp==16)
|
|
{
|
|
asm volatile(
|
|
|
|
YSCALEYUV2RGB
|
|
"paddusb g16Dither, %%mm1 \n\t"
|
|
"paddusb b16Dither, %%mm0 \n\t"
|
|
"paddusb b16Dither, %%mm3 \n\t"
|
|
"punpcklbw %%mm7, %%mm1 \n\t" // 0G0G0G0G
|
|
"punpcklbw %%mm7, %%mm3 \n\t" // 0B0B0B0B
|
|
"punpcklbw %%mm7, %%mm0 \n\t" // 0R0R0R0R
|
|
|
|
"psrlw $3, %%mm3 \n\t"
|
|
"psllw $3, %%mm1 \n\t"
|
|
"psllw $8, %%mm0 \n\t"
|
|
"pand g16Mask, %%mm1 \n\t"
|
|
"pand r16Mask, %%mm0 \n\t"
|
|
|
|
"por %%mm3, %%mm1 \n\t"
|
|
"por %%mm1, %%mm0 \n\t"
|
|
#ifdef HAVE_MMX2
|
|
"movntq %%mm0, (%4, %%eax, 2) \n\t"
|
|
#else
|
|
"movq %%mm0, (%4, %%eax, 2) \n\t"
|
|
#endif
|
|
"addl $4, %%eax \n\t"
|
|
"cmpl %5, %%eax \n\t"
|
|
" jb 1b \n\t"
|
|
|
|
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
|
|
"m" (yalpha1), "m" (uvalpha1)
|
|
: "%eax"
|
|
);
|
|
}
|
|
#else
|
|
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]*yalpha1+buf1[i]*yalpha)>>16)];
|
|
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>16);
|
|
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>16);
|
|
dest[0]=clip_table[((Y + yuvtab_3343[U]) >>13)];
|
|
dest[1]=clip_table[((Y + yuvtab_0c92[V] + yuvtab_1a1e[U]) >>13)];
|
|
dest[2]=clip_table[((Y + yuvtab_40cf[V]) >>13)];
|
|
dest+=dstbpp>>3;
|
|
}
|
|
}
|
|
else if(dstbpp==16) //16bit
|
|
{
|
|
for(i=0;i<dstw;i++){
|
|
// vertical linear interpolation && yuv2rgb in a single step:
|
|
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>16)];
|
|
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>16);
|
|
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>16);
|
|
|
|
((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;
|
|
dest+=2;
|
|
}
|
|
}
|
|
else if(dstbpp==15) //15bit FIXME how do i figure out if its 15 or 16?
|
|
{
|
|
for(i=0;i<dstw;i++){
|
|
// vertical linear interpolation && yuv2rgb in a single step:
|
|
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>16)];
|
|
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>16);
|
|
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>16);
|
|
|
|
((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;
|
|
dest+=2;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
b16Dither= b16Dither1;
|
|
b16Dither1= b16Dither2;
|
|
b16Dither2= b16Dither;
|
|
|
|
g16Dither= g16Dither1;
|
|
g16Dither1= g16Dither2;
|
|
g16Dither2= g16Dither;
|
|
}
|
|
|
|
#ifdef HAVE_3DNOW
|
|
asm volatile("femms");
|
|
#elif defined (HAVE_MMX)
|
|
asm volatile("emms");
|
|
#endif
|
|
|
|
|
|
}
|
|
|
|
|
|
void SwScale_Init(){
|
|
// generating tables:
|
|
int i;
|
|
for(i=0;i<256;i++){
|
|
clip_table[i]=0;
|
|
clip_table[i+256]=i;
|
|
clip_table[i+512]=255;
|
|
yuvtab_2568[i]=(0x2568*(i-16))+(256<<13);
|
|
yuvtab_3343[i]=0x3343*(i-128);
|
|
yuvtab_0c92[i]=-0x0c92*(i-128);
|
|
yuvtab_1a1e[i]=-0x1a1e*(i-128);
|
|
yuvtab_40cf[i]=0x40cf*(i-128);
|
|
}
|
|
|
|
}
|