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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2015-09-05 13:36:56 -0400 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2015-09-05 15:50:02 -0400 |
| commit | 086c9b78d42fa6909ceb5f1fba935cb4f2b5c89a (patch) | |
| tree | 6cf6821bef50442c9a022491ee689897fa673590 | |
| parent | ae9344cb9ffad7272acdbcb9234d912bffa75716 (diff) | |
| download | ffmpeg-086c9b78d42fa6909ceb5f1fba935cb4f2b5c89a.tar.gz | |
vp9: fix rounding error in idct_8x8_ssse3.
| -rw-r--r-- | libavcodec/x86/vp9itxfm.asm | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/libavcodec/x86/vp9itxfm.asm b/libavcodec/x86/vp9itxfm.asm index d9fb36f710..e1cb637731 100644 --- a/libavcodec/x86/vp9itxfm.asm +++ b/libavcodec/x86/vp9itxfm.asm @@ -527,10 +527,9 @@ IADST4_FN iadst, IADST4, iadst, IADST4, ssse3 pmulhrsw m2, [pw_6270x2] ; m2=t2a pmulhrsw m7, m1, [pw_16069x2] ; m7=t7a pmulhrsw m1, [pw_3196x2] ; m1=t4a - pmulhrsw m5, m3, [pw_9102x2] ; m5=-t5a + pmulhrsw m5, m3, [pw_m9102x2] ; m5=t5a pmulhrsw m3, [pw_13623x2] ; m3=t6a SUMSUB_BA w, 5, 1, 4 ; m1=t4a+t5a (t4), m5=t4a-t5a (t5a) - SWAP 1, 5 SUMSUB_BA w, 3, 7, 4 ; m3=t7a+t6a (t7), m7=t7a-t6a (t6a) SUMSUB_BA w, 1, 7, 4 ; m1=t6a+t5a (t6), m7=t6a-t5a (t5) pmulhrsw m1, W_11585x2_REG ; m1=t6 |