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negative black bugfix

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Originally committed as revision 2395 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-23 00:03:19 +00:00
parent 911879d15e
commit 57d04d3f11
2 changed files with 20 additions and 22 deletions
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21
postproc/postprocess.c
View File

@ -136,7 +136,6 @@ int vFlatnessThreshold= 56 - 16;
double maxClippedThreshold= 0.01;
int maxAllowedY=234;
//FIXME can never make a movie´s black brighter (anyone needs that?)
int minAllowedY=16;
static struct PPFilter filters[]=
@ -2507,13 +2506,13 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
#define SCALED_CPY \
"movq (%0), %%mm0 \n\t"\
"movq (%0,%2), %%mm1 \n\t"\
"psubusb %%mm2, %%mm0 \n\t"\
"psubusb %%mm2, %%mm1 \n\t"\
"movq %%mm0, %%mm5 \n\t"\
"punpcklbw %%mm4, %%mm0 \n\t"\
"punpckhbw %%mm4, %%mm5 \n\t"\
"psllw $7, %%mm0 \n\t"\
"psllw $7, %%mm5 \n\t"\
"psubw %%mm2, %%mm0 \n\t"\
"psubw %%mm2, %%mm5 \n\t"\
"psllw $6, %%mm0 \n\t"\
"psllw $6, %%mm5 \n\t"\
"pmulhw %%mm3, %%mm0 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm0 \n\t"\
@ -2521,8 +2520,10 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
"movq %%mm1, %%mm5 \n\t"\
"punpcklbw %%mm4, %%mm1 \n\t"\
"punpckhbw %%mm4, %%mm5 \n\t"\
"psllw $7, %%mm1 \n\t"\
"psllw $7, %%mm5 \n\t"\
"psubw %%mm2, %%mm1 \n\t"\
"psubw %%mm2, %%mm5 \n\t"\
"psllw $6, %%mm1 \n\t"\
"psllw $6, %%mm5 \n\t"\
"pmulhw %%mm3, %%mm1 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm1 \n\t"\
@ -2685,15 +2686,13 @@ static void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStri
clipped-= yHistogram[white];
}
// we cant handle negative correctures
packedYOffset= MAX(black - minAllowedY, 0);
packedYOffset= (black - minAllowedY) & 0xFFFF;
packedYOffset|= packedYOffset<<32;
packedYOffset|= packedYOffset<<16;
packedYOffset|= packedYOffset<<8;
scale= (double)(maxAllowedY - minAllowedY) / (double)(white-black);
packedYScale= (uint16_t)(scale*512.0 + 0.5);
packedYScale= (uint16_t)(scale*1024.0 + 0.5);
packedYScale|= packedYScale<<32;
packedYScale|= packedYScale<<16;
}

21
postproc/postprocess_template.c
View File

@ -136,7 +136,6 @@ int vFlatnessThreshold= 56 - 16;
double maxClippedThreshold= 0.01;
int maxAllowedY=234;
//FIXME can never make a movie´s black brighter (anyone needs that?)
int minAllowedY=16;
static struct PPFilter filters[]=
@ -2507,13 +2506,13 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
#define SCALED_CPY \
"movq (%0), %%mm0 \n\t"\
"movq (%0,%2), %%mm1 \n\t"\
"psubusb %%mm2, %%mm0 \n\t"\
"psubusb %%mm2, %%mm1 \n\t"\
"movq %%mm0, %%mm5 \n\t"\
"punpcklbw %%mm4, %%mm0 \n\t"\
"punpckhbw %%mm4, %%mm5 \n\t"\
"psllw $7, %%mm0 \n\t"\
"psllw $7, %%mm5 \n\t"\
"psubw %%mm2, %%mm0 \n\t"\
"psubw %%mm2, %%mm5 \n\t"\
"psllw $6, %%mm0 \n\t"\
"psllw $6, %%mm5 \n\t"\
"pmulhw %%mm3, %%mm0 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm0 \n\t"\
@ -2521,8 +2520,10 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
"movq %%mm1, %%mm5 \n\t"\
"punpcklbw %%mm4, %%mm1 \n\t"\
"punpckhbw %%mm4, %%mm5 \n\t"\
"psllw $7, %%mm1 \n\t"\
"psllw $7, %%mm5 \n\t"\
"psubw %%mm2, %%mm1 \n\t"\
"psubw %%mm2, %%mm5 \n\t"\
"psllw $6, %%mm1 \n\t"\
"psllw $6, %%mm5 \n\t"\
"pmulhw %%mm3, %%mm1 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm1 \n\t"\
@ -2685,15 +2686,13 @@ static void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStri
clipped-= yHistogram[white];
}
// we cant handle negative correctures
packedYOffset= MAX(black - minAllowedY, 0);
packedYOffset= (black - minAllowedY) & 0xFFFF;
packedYOffset|= packedYOffset<<32;
packedYOffset|= packedYOffset<<16;
packedYOffset|= packedYOffset<<8;
scale= (double)(maxAllowedY - minAllowedY) / (double)(white-black);
packedYScale= (uint16_t)(scale*512.0 + 0.5);
packedYScale= (uint16_t)(scale*1024.0 + 0.5);
packedYScale|= packedYScale<<32;
packedYScale|= packedYScale<<16;
}