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Code Issues Releases Activity

avcodec/x86/vvc/vvc_alf: fix integer overflow

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Some tests fails with certain seeds

tests/checkasm/checkasm 2325607578 --test=vvc_alf
checkasm: using random seed 2325607578
AVX2:
    vvc_alf_filter_luma_120x20_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x24_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x28_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x32_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x36_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x40_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x44_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x48_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x52_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x56_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x60_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x64_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x68_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x72_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x76_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x80_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x84_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x88_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x92_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x96_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x100_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x104_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x108_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x112_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x116_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x120_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x124_12_avx2 (vvc_alf.c:104)
    vvc_alf_filter_luma_120x128_12_avx2 (vvc_alf.c:104)
  - vvc_alf.alf_filter   [FAILED]
  - vvc_alf.alf_classify [OK]
checkasm: 28 of 9216 tests have failed

Reported-by: James Almer <jamrial@gmail.com>
Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
This commit is contained in:
Wu Jianhua 2024-05-31 00:28:05 +08:00 committed by Nuo Mi
parent 249c66bb22
commit 09d3370c28
1 changed files with 2 additions and 1 deletions
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3
libavcodec/x86/vvc/vvc_alf.asm
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@ -356,7 +356,8 @@ SECTION .text
FILTER_VB xq
paddw m0, m2
; sum += curr
paddsw m0, m2
; clip to pixel
CLIPW m0, m14, m15