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top row bugfix

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Originally committed as revision 4404 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2002-01-29 04:21:27 +00:00
parent d8863d37e2
commit 4b6388d1f5
1 changed files with 31 additions and 8 deletions
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39
postproc/postprocess_template.c
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@ -2446,7 +2446,6 @@ static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int
/**
* Copies a block from src to dst and fixes the blacklevel
* numLines must be a multiple of 4
* levelFix == 0 -> dont touch the brighness & contrast
*/
static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, uint8_t src[], int srcStride,
@ -2570,6 +2569,31 @@ SIMPLE_CPY((%%eax, %2), (%%eax, %2, 2), (%%ebx, %3), (%%ebx, %3, 2))
}
}
/**
* Duplicates the given 8 src pixels ? times upward
*/
static inline void RENAME(duplicate)(uint8_t src[], int stride)
{
#ifdef HAVE_MMX
asm volatile(
"movq (%0), %%mm0 \n\t"
"addl %1, %0 \n\t"
"movq %%mm0, (%0) \n\t"
"movq %%mm0, (%0, %1) \n\t"
"movq %%mm0, (%0, %1, 2) \n\t"
: "+r" (src)
: "r" (-stride)
);
#else
int i;
uint8_t *p=src;
for(i=0; i<3; i++)
{
p-= stride;
memcpy(p, src, 8);
}
#endif
}
/**
* Filters array of bytes (Y or U or V values)
@ -2740,11 +2764,8 @@ static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int
/* copy & deinterlace first row of blocks */
y=-BLOCK_SIZE;
{
//1% speedup if these are here instead of the inner loop
uint8_t *srcBlock= &(src[y*srcStride]);
uint8_t *dstBlock= &(dst[y*dstStride]);
dstBlock= tempDst + dstStride;
uint8_t *dstBlock= tempDst + dstStride;
// From this point on it is guranteed that we can read and write 16 lines downward
// finish 1 block before the next otherwise we´ll might have a problem
@ -2788,8 +2809,10 @@ static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int
*/
#endif
RENAME(blockCopy)(dstBlock + dstStride*copyAhead, dstStride,
srcBlock + srcStride*copyAhead, srcStride, mode & LEVEL_FIX);
RENAME(blockCopy)(dstBlock + dstStride*8, dstStride,
srcBlock + srcStride*8, srcStride, mode & LEVEL_FIX);
RENAME(duplicate)(dstBlock + dstStride*8, dstStride);
if(mode & LINEAR_IPOL_DEINT_FILTER)
RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
@ -2805,7 +2828,7 @@ static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int
dstBlock+=8;
srcBlock+=8;
}
memcpy(&(dst[y*dstStride]) + 8*dstStride, tempDst + 9*dstStride, copyAhead*dstStride );
memcpy(dst, tempDst + 9*dstStride, copyAhead*dstStride );
}
for(y=0; y<height; y+=BLOCK_SIZE)