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C implementation of the median deinterlacer (seems to be the only one

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that generates tolerable output for anime) so it will work on non-MMX
architectures. Someone should optimize it better eventually.

Originally committed as revision 9071 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
D Richard Felker III 2003-01-23 04:19:24 +00:00
parent e78df69997
commit 9b1663fcd0
2 changed files with 16 additions and 11 deletions
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2
postproc/postprocess.c
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@ -34,7 +34,7 @@ Horizontal X1# a E E
LinIpolDeinterlace e E E*
CubicIpolDeinterlace a e e*
LinBlendDeinterlace e E E*
MedianDeinterlace# Ec Ec
MedianDeinterlace# E Ec Ec
TempDeNoiser# E e e
* i dont have a 3dnow CPU -> its untested, but noone said it doesnt work so it seems to work

25
postproc/postprocess_template.c
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@ -1889,19 +1889,24 @@ MEDIAN((%%edx, %1), (%%edx, %1, 2), (%0, %1, 8))
);
#endif // MMX
#else
//FIXME
int x;
int x, y;
src+= 4*stride;
// FIXME - there should be a way to do a few columns in parallel like w/mmx
for(x=0; x<8; x++)
{
src[0 ] = (src[0 ] + 2*src[stride ] + src[stride*2])>>2;
src[stride ] = (src[stride ] + 2*src[stride*2] + src[stride*3])>>2;
src[stride*2] = (src[stride*2] + 2*src[stride*3] + src[stride*4])>>2;
src[stride*3] = (src[stride*3] + 2*src[stride*4] + src[stride*5])>>2;
src[stride*4] = (src[stride*4] + 2*src[stride*5] + src[stride*6])>>2;
src[stride*5] = (src[stride*5] + 2*src[stride*6] + src[stride*7])>>2;
src[stride*6] = (src[stride*6] + 2*src[stride*7] + src[stride*8])>>2;
src[stride*7] = (src[stride*7] + 2*src[stride*8] + src[stride*9])>>2;
uint8_t *colsrc = src;
for (y=0; y<4; y++)
{
int a, b, c, d, e, f;
a = colsrc[0 ];
b = colsrc[stride ];
c = colsrc[stride*2];
d = (a-b)>>31;
e = (b-c)>>31;
f = (c-a)>>31;
colsrc[stride ] = (a|(d^f)) & (b|(d^e)) & (c|(e^f));
colsrc += stride*2;
}
src++;
}
#endif