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unscaled BGR24 -> YV12

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Originally committed as revision 4624 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2002-02-10 00:43:31 +00:00
parent 21316f3c84
commit ec22603f79
1 changed files with 24 additions and 0 deletions
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24
postproc/swscale.c
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@ -42,6 +42,7 @@ untested special converters
YUY2/BGR15/BGR16/BGR24/BGR32/RGB24/RGB32 -> same format
BGR24 -> BGR32 & RGB24 -> RGB32
BGR32 -> BGR24 & RGB32 -> RGB24
BGR24 -> YV12
*/
#include <inttypes.h>
@ -1227,6 +1228,18 @@ static void bgr15to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int
}
}
static void bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
rgb24toyv12(
src[0],
dst[0]+ srcSliceY *dstStride[0],
dst[1]+(srcSliceY>>1)*dstStride[1],
dst[2]+(srcSliceY>>1)*dstStride[2],
c->srcW, srcSliceH,
dstStride[0], dstStride[1], srcStride[0]);
}
/* unscaled copy like stuff (assumes nearly identical formats) */
static void simpleCopy(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,
@ -1449,6 +1462,17 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH,
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr24toYV12 */
if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12)
{
c->swScale= bgr24toyv12Wrapper;
if(flags&SWS_PRINT_INFO)
printf("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
}
if(cpuCaps.hasMMX2)