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proresdsp: fix rounding
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>tags/n0.9
Michael Niedermayer
14 years ago
1 changed files with 3 additions and 3 deletions
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+ 3
- 3
libavcodec/x86/proresdsp.asm
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| @@ -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 | |||||
| %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] | ||||