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authorMichael Niedermayer <michaelni@gmx.at>2011-10-12 22:18:35 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-10-12 22:18:35 +0200
commitdc66951bb2a10c1c6e1352fd6f0a601dc77785e5 (patch)
tree322acbf323c69ba3a18f6d8fd42c0955df9d3776 /libavcodec/x86
parent67dad8e7b1d2d1792439672499b2fb4d3b633312 (diff)
downloadffmpeg-dc66951bb2a10c1c6e1352fd6f0a601dc77785e5.tar.gz
proresdsp: fix rounding
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86')
-rw-r--r--libavcodec/x86/proresdsp.asm6
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/x86/proresdsp.asm b/libavcodec/x86/proresdsp.asm
index ad6520bbf3..d674308c05 100644
--- a/libavcodec/x86/proresdsp.asm
+++ b/libavcodec/x86/proresdsp.asm
@@ -49,9 +49,9 @@ w1_plus_w5: times 4 dw W1sh2, +W5sh2
w5_min_w1: times 4 dw W5sh2, -W1sh2
w5_plus_w7: times 4 dw W5sh2, +W7sh2
w7_min_w5: times 4 dw W7sh2, -W5sh2
-row_round: times 8 dw (1<<14)
pw_88: times 8 dw 0x2008
+cextern pw_1
cextern pw_4
cextern pw_512
cextern pw_1019
@@ -96,10 +96,10 @@ section .text align=16
%ifidn %1, col
paddw m10,[pw_88]
%endif
- SBUTTERFLY3 wd, 0, 1, 10, 8 ; { row[0], row[2] }[0-3]/[4-7]
%ifidn %1, row
- psubw m10,[row_round]
+ paddw m10,[pw_1]
%endif
+ SBUTTERFLY3 wd, 0, 1, 10, 8 ; { row[0], row[2] }[0-3]/[4-7]
pmaddwd m2, m0, [w4_plus_w6]
pmaddwd m3, m1, [w4_plus_w6]
pmaddwd m4, m0, [w4_min_w6]