pal8 input
this is not optimized or anything (that is easy to add just use the existing unscaled converters if possible ...) Originally committed as revision 22236 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
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@ -22,7 +22,7 @@
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*/
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/*
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supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09
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supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09, PAL8
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supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
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{BGR,RGB}{1,4,8,15,16} support dithering
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@ -107,7 +107,8 @@ untested special converters
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|| (x)==PIX_FMT_BGR32|| (x)==PIX_FMT_RGB24|| (x)==PIX_FMT_RGB565|| (x)==PIX_FMT_RGB555\
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|| (x)==PIX_FMT_GRAY8 || (x)==PIX_FMT_YUV410P\
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|| (x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE\
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|| (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_YUV422P || (x)==PIX_FMT_YUV411P)
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|| (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_YUV422P || (x)==PIX_FMT_YUV411P\
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|| (x)==PIX_FMT_PAL8 || (x)==PIX_FMT_BGR8 || (x)==PIX_FMT_RGB8)
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#define isSupportedOut(x) ((x)==PIX_FMT_YUV420P || (x)==PIX_FMT_YUYV422 || (x)==PIX_FMT_UYVY422\
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|| (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_YUV422P || (x)==PIX_FMT_YUV411P\
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|| isRGB(x) || isBGR(x)\
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@ -2279,6 +2279,38 @@ static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
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}
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}
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static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, int width, uint32_t *pal)
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{
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int i;
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for(i=0; i<width; i++)
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{
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int d= src[i];
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int b= pal[d] &0xFF;
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int g=(pal[d]>>8 )&0xFF;
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int r= pal[d]>>16;
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dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
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}
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}
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static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width, uint32_t *pal)
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{
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int i;
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assert(src1 == src2);
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for(i=0; i<width; i++)
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{
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int d0= src1[2*i ];
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int d1= src1[2*i+1];
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int p = (pal[d0]&0xFF00FF) + (pal[d1]&0xFF00FF);
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int g = (pal[d0]+pal[d1]-p)>>8;
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int b= p&0x1FF;
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int r= p>>16;
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dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
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dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
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}
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}
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// Bilinear / Bicubic scaling
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static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
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int16_t *filter, int16_t *filterPos, long filterSize)
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@ -2467,7 +2499,7 @@ static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, i
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int flags, int canMMX2BeUsed, int16_t *hLumFilter,
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int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,
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int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
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int32_t *mmx2FilterPos)
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int32_t *mmx2FilterPos, uint8_t *pal)
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{
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if(srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)
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{
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@ -2519,6 +2551,11 @@ static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, i
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RENAME(rgb15ToY)(formatConvBuffer, src, srcW);
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src= formatConvBuffer;
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}
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else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8)
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{
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RENAME(palToY)(formatConvBuffer, src, srcW, pal);
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src= formatConvBuffer;
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}
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#ifdef HAVE_MMX
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// use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
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@ -2664,7 +2701,7 @@ inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1,
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int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,
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int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,
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int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
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int32_t *mmx2FilterPos)
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int32_t *mmx2FilterPos, uint8_t *pal)
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{
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if(srcFormat==PIX_FMT_YUYV422)
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{
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@ -2730,6 +2767,12 @@ inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1,
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{
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return;
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}
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else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8)
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{
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RENAME(palToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW, pal);
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src1= formatConvBuffer;
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src2= formatConvBuffer+2048;
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}
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#ifdef HAVE_MMX
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// use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
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@ -2932,6 +2975,7 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
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const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
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const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
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int lastDstY;
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uint8_t *pal=NULL;
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/* vars whch will change and which we need to storw back in the context */
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int dstY= c->dstY;
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@ -2941,6 +2985,7 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
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int lastInChrBuf= c->lastInChrBuf;
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if(isPacked(c->srcFormat)){
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pal= src[1];
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src[0]=
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src[1]=
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src[2]= src[0];
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@ -3026,7 +3071,7 @@ i--;
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RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
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flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
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funnyYCode, c->srcFormat, formatConvBuffer,
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c->lumMmx2Filter, c->lumMmx2FilterPos);
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c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
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lastInLumBuf++;
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}
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while(lastInChrBuf < lastChrSrcY)
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@ -3043,7 +3088,7 @@ i--;
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RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
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flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
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funnyUVCode, c->srcFormat, formatConvBuffer,
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c->chrMmx2Filter, c->chrMmx2FilterPos);
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c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
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lastInChrBuf++;
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}
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//wrap buf index around to stay inside the ring buffer
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@ -3068,7 +3113,7 @@ i--;
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RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
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flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
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funnyYCode, c->srcFormat, formatConvBuffer,
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c->lumMmx2Filter, c->lumMmx2FilterPos);
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c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
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lastInLumBuf++;
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}
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while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
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@ -3084,7 +3129,7 @@ i--;
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RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
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flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
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funnyUVCode, c->srcFormat, formatConvBuffer,
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c->chrMmx2Filter, c->chrMmx2FilterPos);
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c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
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lastInChrBuf++;
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}
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//wrap buf index around to stay inside the ring buffer
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