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author | Michael Niedermayer <michaelni@gmx.at> | 2007-02-16 21:17:15 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2007-02-16 21:17:15 +0000 |
commit | e28630fc705f361763cf6aeff909a49600ce25cd (patch) | |
tree | d3dae95b300c8b297654fefd996e1093ca3f70c2 /libswscale | |
parent | 457b101e42ed805ce1bd45f971ca333e96bea4ea (diff) | |
download | ffmpeg-streaming-e28630fc705f361763cf6aeff909a49600ce25cd.zip ffmpeg-streaming-e28630fc705f361763cf6aeff909a49600ce25cd.tar.gz |
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
Diffstat (limited to 'libswscale')
-rw-r--r-- | libswscale/swscale.c | 5 | ||||
-rw-r--r-- | libswscale/swscale_template.c | 57 |
2 files changed, 54 insertions, 8 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index e9fb587..13949a8 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -22,7 +22,7 @@ */ /* - supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09 + supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09, PAL8 supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 {BGR,RGB}{1,4,8,15,16} support dithering @@ -107,7 +107,8 @@ untested special converters || (x)==PIX_FMT_BGR32|| (x)==PIX_FMT_RGB24|| (x)==PIX_FMT_RGB565|| (x)==PIX_FMT_RGB555\ || (x)==PIX_FMT_GRAY8 || (x)==PIX_FMT_YUV410P\ || (x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE\ - || (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_YUV422P || (x)==PIX_FMT_YUV411P) + || (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_YUV422P || (x)==PIX_FMT_YUV411P\ + || (x)==PIX_FMT_PAL8 || (x)==PIX_FMT_BGR8 || (x)==PIX_FMT_RGB8) #define isSupportedOut(x) ((x)==PIX_FMT_YUV420P || (x)==PIX_FMT_YUYV422 || (x)==PIX_FMT_UYVY422\ || (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_YUV422P || (x)==PIX_FMT_YUV411P\ || isRGB(x) || isBGR(x)\ diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c index 84daef5..928bf97 100644 --- a/libswscale/swscale_template.c +++ b/libswscale/swscale_template.c @@ -2279,6 +2279,38 @@ static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1 } } +static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, int width, uint32_t *pal) +{ + int i; + for(i=0; i<width; i++) + { + int d= src[i]; + int b= pal[d] &0xFF; + int g=(pal[d]>>8 )&0xFF; + int r= pal[d]>>16; + + dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16; + } +} + +static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width, uint32_t *pal) +{ + int i; + assert(src1 == src2); + for(i=0; i<width; i++) + { + int d0= src1[2*i ]; + int d1= src1[2*i+1]; + int p = (pal[d0]&0xFF00FF) + (pal[d1]&0xFF00FF); + int g = (pal[d0]+pal[d1]-p)>>8; + int b= p&0x1FF; + int r= p>>16; + + dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128; + dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128; + } +} + // Bilinear / Bicubic scaling static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc, int16_t *filter, int16_t *filterPos, long filterSize) @@ -2467,7 +2499,7 @@ static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, i int flags, int canMMX2BeUsed, int16_t *hLumFilter, int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode, int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter, - int32_t *mmx2FilterPos) + int32_t *mmx2FilterPos, uint8_t *pal) { if(srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE) { @@ -2519,6 +2551,11 @@ static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, i RENAME(rgb15ToY)(formatConvBuffer, src, srcW); src= formatConvBuffer; } + else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8) + { + RENAME(palToY)(formatConvBuffer, src, srcW, pal); + src= formatConvBuffer; + } #ifdef HAVE_MMX // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one) @@ -2664,7 +2701,7 @@ inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1, int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter, int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode, int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter, - int32_t *mmx2FilterPos) + int32_t *mmx2FilterPos, uint8_t *pal) { if(srcFormat==PIX_FMT_YUYV422) { @@ -2730,6 +2767,12 @@ inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1, { return; } + else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8) + { + RENAME(palToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW, pal); + src1= formatConvBuffer; + src2= formatConvBuffer+2048; + } #ifdef HAVE_MMX // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one) @@ -2932,6 +2975,7 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample; const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample); int lastDstY; + uint8_t *pal=NULL; /* vars whch will change and which we need to storw back in the context */ int dstY= c->dstY; @@ -2941,6 +2985,7 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s int lastInChrBuf= c->lastInChrBuf; if(isPacked(c->srcFormat)){ + pal= src[1]; src[0]= src[1]= src[2]= src[0]; @@ -3026,7 +3071,7 @@ i--; RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc, flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize, funnyYCode, c->srcFormat, formatConvBuffer, - c->lumMmx2Filter, c->lumMmx2FilterPos); + c->lumMmx2Filter, c->lumMmx2FilterPos, pal); lastInLumBuf++; } while(lastInChrBuf < lastChrSrcY) @@ -3043,7 +3088,7 @@ i--; RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc, flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize, funnyUVCode, c->srcFormat, formatConvBuffer, - c->chrMmx2Filter, c->chrMmx2FilterPos); + c->chrMmx2Filter, c->chrMmx2FilterPos, pal); lastInChrBuf++; } //wrap buf index around to stay inside the ring buffer @@ -3068,7 +3113,7 @@ i--; RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc, flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize, funnyYCode, c->srcFormat, formatConvBuffer, - c->lumMmx2Filter, c->lumMmx2FilterPos); + c->lumMmx2Filter, c->lumMmx2FilterPos, pal); lastInLumBuf++; } while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH)) @@ -3084,7 +3129,7 @@ i--; RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc, flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize, funnyUVCode, c->srcFormat, formatConvBuffer, - c->chrMmx2Filter, c->chrMmx2FilterPos); + c->chrMmx2Filter, c->chrMmx2FilterPos, pal); lastInChrBuf++; } //wrap buf index around to stay inside the ring buffer |