mirror of https://git.ffmpeg.org/ffmpeg.git
MMX(2) optimized YUY2 input
avoid duplicate checks for formats by changeing them (Y8->Y800, IYUV->I420) Originally committed as revision 4482 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer
parent
1747031459
commit
6ff0ad6bfd
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@ -17,7 +17,7 @@
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*/
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/*
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supported Input formats: YV12, I420, IYUV, YUY2, BGR32, BGR24 (grayscale soon too)
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supported Input formats: YV12, I420, IYUV, YUY2, BGR32, BGR24, Y8, Y800
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supported output formats: YV12, I420, IYUV, BGR15, BGR16, BGR24, BGR32 (grayscale soon too)
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BGR15/16 support dithering
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*/
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@ -58,13 +58,19 @@
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#endif
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//FIXME replace this with something faster
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#define isPlanarYUV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_IYUV)
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#define isPlanarYUV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420)
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#define isYUV(x) ((x)==IMGFMT_YUY2 || isPlanarYUV(x))
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#define isHalfChrV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_IYUV)
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#define isHalfChrH(x) ((x)==IMGFMT_YUY2 || (x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_IYUV)
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#define isHalfChrV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420)
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#define isHalfChrH(x) ((x)==IMGFMT_YUY2 || (x)==IMGFMT_YV12 || (x)==IMGFMT_I420)
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#define isPacked(x) ((x)==IMGFMT_YUY2 || (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24)
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#define isGray(x) ((x)==IMGFMT_Y800)
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#define isSupportedIn(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_YUY2 \
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|| (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24\
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|| (x)==IMGFMT_Y800)
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#define isSupportedOut(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 \
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|| (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15)
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#define RGB2YUV_SHIFT 8
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#define RGB2YUV_SHIFT 16
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#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
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#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
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#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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@ -90,7 +96,8 @@ change the distance of the u & v buffer
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write special vertical cubic upscale version
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Optimize C code (yv12 / minmax)
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add support for packed pixel yuv input & output
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add support for Y8 input & output
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add support for Y8 output
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optimize bgr24 & bgr32
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add BGR4 output support
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write special BGR->BGR scaler
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*/
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@ -118,6 +125,7 @@ static uint64_t __attribute__((aligned(8))) w02= 0x0002000200020002LL;
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static uint64_t __attribute__((aligned(8))) bm00001111=0x00000000FFFFFFFFLL;
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static uint64_t __attribute__((aligned(8))) bm00000111=0x0000000000FFFFFFLL;
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static uint64_t __attribute__((aligned(8))) bm11111000=0xFFFFFFFFFF000000LL;
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static uint64_t __attribute__((aligned(8))) bm01010101=0x00FF00FF00FF00FFLL;
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static volatile uint64_t __attribute__((aligned(8))) b5Dither;
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static volatile uint64_t __attribute__((aligned(8))) g5Dither;
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@ -198,7 +206,7 @@ void in_asm_used_var_warning_killer()
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{
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volatile int i= yCoeff+vrCoeff+ubCoeff+vgCoeff+ugCoeff+bF8+bFC+w400+w80+w10+
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bm00001111+bm00000111+bm11111000+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+asm_yalpha1+ asm_uvalpha1+
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M24A+M24B+M24C+w02 + b5Dither+g5Dither+r5Dither+g6Dither+dither4[0]+dither8[0];
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M24A+M24B+M24C+w02 + b5Dither+g5Dither+r5Dither+g6Dither+dither4[0]+dither8[0]+bm01010101;
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if(i) i=0;
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}
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#endif
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@ -1114,12 +1122,16 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH,
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if(swScale==NULL) globalInit();
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/* avoid dupplicate Formats, so we dont need to check to much */
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if(srcFormat==IMGFMT_IYUV) srcFormat=IMGFMT_I420;
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if(srcFormat==IMGFMT_Y8) srcFormat=IMGFMT_Y800;
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if(!isSupportedIn(srcFormat)) return NULL;
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if(!isSupportedOut(dstFormat)) return NULL;
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/* sanity check */
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if(srcW<4 || srcH<1 || dstW<8 || dstH<1) return NULL; //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
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// if(!isSupportedIn(srcFormat)) return NULL;
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// if(!isSupportedOut(dstFormat)) return NULL;
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if(!dstFilter) dstFilter= &dummyFilter;
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if(!srcFilter) srcFilter= &dummyFilter;
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@ -1535,9 +1535,26 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *uvbuf0, uint16_t *
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#endif
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}
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//FIXME yuy2* can read upto 7 samples to much
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static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, int width)
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{
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#ifdef HAVE_MMXFIXME
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#ifdef HAVE_MMX
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asm volatile(
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"movq "MANGLE(bm01010101)", %%mm2\n\t"
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"movl %0, %%eax \n\t"
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"1: \n\t"
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"movq (%1, %%eax,2), %%mm0 \n\t"
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"movq 8(%1, %%eax,2), %%mm1 \n\t"
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"pand %%mm2, %%mm0 \n\t"
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"pand %%mm2, %%mm1 \n\t"
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"packuswb %%mm1, %%mm0 \n\t"
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"movq %%mm0, (%2, %%eax) \n\t"
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"addl $8, %%eax \n\t"
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" js 1b \n\t"
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: : "g" (-width), "r" (src+width*2), "r" (dst+width)
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: "%eax"
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);
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#else
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int i;
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for(i=0; i<width; i++)
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@ -1547,7 +1564,32 @@ static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, int width)
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static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
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{
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#ifdef HAVE_MMXFIXME
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#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
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asm volatile(
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"movq "MANGLE(bm01010101)", %%mm4\n\t"
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"movl %0, %%eax \n\t"
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"1: \n\t"
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"movq (%1, %%eax,4), %%mm0 \n\t"
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"movq 8(%1, %%eax,4), %%mm1 \n\t"
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"movq (%2, %%eax,4), %%mm2 \n\t"
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"movq 8(%2, %%eax,4), %%mm3 \n\t"
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PAVGB(%%mm2, %%mm0)
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PAVGB(%%mm3, %%mm1)
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"psrlw $8, %%mm0 \n\t"
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"psrlw $8, %%mm1 \n\t"
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"packuswb %%mm1, %%mm0 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"psrlw $8, %%mm0 \n\t"
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"pand %%mm4, %%mm1 \n\t"
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"packuswb %%mm0, %%mm0 \n\t"
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"packuswb %%mm1, %%mm1 \n\t"
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"movd %%mm0, (%4, %%eax) \n\t"
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"movd %%mm1, (%3, %%eax) \n\t"
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"addl $4, %%eax \n\t"
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" js 1b \n\t"
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: : "g" (-width), "r" (src1+width*4), "r" (src2+width*4), "r" (dstU+width), "r" (dstV+width)
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: "%eax"
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);
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#else
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int i;
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for(i=0; i<width; i++)
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@ -1954,6 +1996,10 @@ inline static void RENAME(hcscale)(uint16_t *dst, int dstWidth, uint8_t *src1, u
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src1= formatConvBuffer;
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src2= formatConvBuffer+2048;
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}
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else if(isGray(srcFormat))
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{
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return;
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}
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#ifdef HAVE_MMX
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// use the new MMX scaler if th mmx2 cant be used (its faster than the x86asm one)
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@ -2170,7 +2216,7 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
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srcStride[1]=
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srcStride[2]= srcStrideParam[0]<<1;
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}
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else if(c->srcFormat==IMGFMT_Y8){
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else if(isGray(c->srcFormat)){
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src[0]= srcParam[0];
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src[1]=
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src[2]= NULL;
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