From 5bfa97c7f5862fdc7d8e3b9a3f8064a44b241f34 Mon Sep 17 00:00:00 2001
From: michael <michael@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sat, 13 Oct 2001 11:58:41 +0000
Subject: 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: svn://svn.mplayerhq.hu/mplayer/trunk@2182 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 postproc/postprocess.c | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

(limited to 'postproc/postprocess.c')

diff --git a/postproc/postprocess.c b/postproc/postprocess.c
index e1b8bd2260..9835015566 100644
--- a/postproc/postprocess.c
+++ b/postproc/postprocess.c
@@ -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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