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ffmpeg-mt
Commit 9ace7c0c authored by michael's avatar michael
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fixed a sig4 bug an non mmx2 cpus (in case of more sig4 errors please send me... 

fixed a sig4 bug an non mmx2 cpus (in case of more sig4 errors please send me a "disassemble $eip-16 $eip+16" from gdb)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@157 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
parent fe745d1b
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Showing with 40 additions and 34 deletions
libavcodec/libpostproc/postprocess.c
View file @ 9ace7c0c
......@@ -1909,28 +1909,31 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
"leal (%3,%3), %%ebx \n\t"
"movq packedYOffset, %%mm2 \n\t"
"movq packedYScale, %%mm3 \n\t"
"pxor %%mm4, %%mm4 \n\t"
#define SCALED_CPY \
"movq (%0), %%mm0 \n\t"\
"movq (%0,%2), %%mm1 \n\t"\
"psubusb %%mm2, %%mm0 \n\t"\
"psubusb %%mm2, %%mm1 \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"punpcklbw %%mm0, %%mm4 \n\t"\
"punpckhbw %%mm0, %%mm5 \n\t"\
"pmulhuw %%mm3, %%mm4 \n\t"\
"pmulhuw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm4 \n\t"\
"movq %%mm4, (%1) \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"punpcklbw %%mm1, %%mm4 \n\t"\
"punpckhbw %%mm1, %%mm5 \n\t"\
"pmulhuw %%mm3, %%mm4 \n\t"\
"pmulhuw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm4 \n\t"\
"movq %%mm4, (%1, %3) \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"\
"pmulhw %%mm3, %%mm0 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm0 \n\t"\
"movq %%mm0, (%1) \n\t"\
"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"\
"pmulhw %%mm3, %%mm1 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm1 \n\t"\
"movq %%mm1, (%1, %3) \n\t"\
"1: \n\t"
SCALED_CPY
......@@ -2073,7 +2076,7 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
scale= (double)(maxAllowedY - minAllowedY) / (double)(white-black);
packedYScale= (uint16_t)(scale*256.0 + 0.5);
packedYScale= (uint16_t)(scale*512.0 + 0.5);
packedYScale|= packedYScale<<32;
packedYScale|= packedYScale<<16;
}
......
libavcodec/libpostproc/postprocess_template.c
View file @ 9ace7c0c
......@@ -1909,28 +1909,31 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
"leal (%3,%3), %%ebx \n\t"
"movq packedYOffset, %%mm2 \n\t"
"movq packedYScale, %%mm3 \n\t"
"pxor %%mm4, %%mm4 \n\t"
#define SCALED_CPY \
"movq (%0), %%mm0 \n\t"\
"movq (%0,%2), %%mm1 \n\t"\
"psubusb %%mm2, %%mm0 \n\t"\
"psubusb %%mm2, %%mm1 \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"punpcklbw %%mm0, %%mm4 \n\t"\
"punpckhbw %%mm0, %%mm5 \n\t"\
"pmulhuw %%mm3, %%mm4 \n\t"\
"pmulhuw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm4 \n\t"\
"movq %%mm4, (%1) \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"punpcklbw %%mm1, %%mm4 \n\t"\
"punpckhbw %%mm1, %%mm5 \n\t"\
"pmulhuw %%mm3, %%mm4 \n\t"\
"pmulhuw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm4 \n\t"\
"movq %%mm4, (%1, %3) \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"\
"pmulhw %%mm3, %%mm0 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm0 \n\t"\
"movq %%mm0, (%1) \n\t"\
"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"\
"pmulhw %%mm3, %%mm1 \n\t"\
"pmulhw %%mm3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm1 \n\t"\
"movq %%mm1, (%1, %3) \n\t"\
"1: \n\t"
SCALED_CPY
......@@ -2073,7 +2076,7 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
scale= (double)(maxAllowedY - minAllowedY) / (double)(white-black);
packedYScale= (uint16_t)(scale*256.0 + 0.5);
packedYScale= (uint16_t)(scale*512.0 + 0.5);
packedYScale|= packedYScale<<32;
packedYScale|= packedYScale<<16;
}
......
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