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Support mono as input format. 

Originally committed as revision 27587 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Michael Niedermayer 2008-09-12 16:46:38 +00:00
parent ec1bca2a0f
commit 3d05e078ee
2 changed files with 18 additions and 1 deletions
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2
libswscale/swscale.c
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@ -127,6 +127,8 @@ unsigned swscale_version(void)
|| (x)==PIX_FMT_BGR4_BYTE \
|| (x)==PIX_FMT_RGB4_BYTE \
|| (x)==PIX_FMT_YUV440P \
|| (x)==PIX_FMT_MONOWHITE \
|| (x)==PIX_FMT_MONOBLACK \
)
#define isSupportedOut(x) ( \
(x)==PIX_FMT_YUV420P \

17
libswscale/swscale_template.c
View File

@ -2143,6 +2143,16 @@ static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
}
}
static inline void RENAME(mono2Y)(uint8_t *dst, uint8_t *src, long width, int format)
{
int i, j;
for (i=0; i<width/8; i++){
int d= format == PIX_FMT_MONOBLACK ? src[i] : ~src[i];
for(j=7; j>=0; j--)
dst[i]= ((d>>j)&1)*255;
}
}
// 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)
@ -2398,6 +2408,11 @@ static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth,
RENAME(palToY)(formatConvBuffer, src, srcW, (uint32_t*)pal);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_MONOBLACK ||srcFormat==PIX_FMT_MONOWHITE)
{
RENAME(mono2Y)(formatConvBuffer, src, srcW, srcFormat);
src= formatConvBuffer;
}
#ifdef HAVE_MMX
// Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
@ -2660,7 +2675,7 @@ inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth,
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (isGray(srcFormat))
else if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || PIX_FMT_MONOWHITE)
{
return;
}