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pal8 input

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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
This commit is contained in:
Michael Niedermayer 2007-02-16 21:17:15 +00:00
parent 457b101e42
commit e28630fc70
2 changed files with 54 additions and 8 deletions
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5
libswscale/swscale.c
View File

@ -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)\

57
libswscale/swscale_template.c
View File

@ -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