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Commit dc66951b authored by Michael Niedermayer's avatar Michael Niedermayer
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proresdsp: fix rounding 


Signed-off-by: default avatarMichael Niedermayer <michaelni@gmx.at>
parent 67dad8e7
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libavcodec/x86/proresdsp.asm
+ 3
− 3
View file @ dc66951b
...@@ -49,9 +49,9 @@ w1_plus_w5: times 4 dw W1sh2, +W5sh2 ...@@ -49,9 +49,9 @@ w1_plus_w5: times 4 dw W1sh2, +W5sh2
w5_min_w1: times 4 dw W5sh2, -W1sh2 w5_min_w1: times 4 dw W5sh2, -W1sh2
w5_plus_w7: times 4 dw W5sh2, +W7sh2 w5_plus_w7: times 4 dw W5sh2, +W7sh2
w7_min_w5: times 4 dw W7sh2, -W5sh2 w7_min_w5: times 4 dw W7sh2, -W5sh2
row_round: times 8 dw (1<<14)
pw_88: times 8 dw 0x2008 pw_88: times 8 dw 0x2008
cextern pw_1
cextern pw_4 cextern pw_4
cextern pw_512 cextern pw_512
cextern pw_1019 cextern pw_1019
...@@ -96,10 +96,10 @@ section .text align=16 ...@@ -96,10 +96,10 @@ section .text align=16
%ifidn %1, col %ifidn %1, col
paddw m10,[pw_88] paddw m10,[pw_88]
%endif %endif
SBUTTERFLY3 wd, 0, 1, 10, 8 ; { row[0], row[2] }[0-3]/[4-7]
%ifidn %1, row %ifidn %1, row
psubw m10,[row_round] paddw m10,[pw_1]
%endif %endif
SBUTTERFLY3 wd, 0, 1, 10, 8 ; { row[0], row[2] }[0-3]/[4-7]
pmaddwd m2, m0, [w4_plus_w6] pmaddwd m2, m0, [w4_plus_w6]
pmaddwd m3, m1, [w4_plus_w6] pmaddwd m3, m1, [w4_plus_w6]
pmaddwd m4, m0, [w4_min_w6] pmaddwd m4, m0, [w4_min_w6]
......
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