Hi Andreas, On Thu, May 30, 2024 at 2:33 PM Andreas Rheinhardt < andreas.rheinha...@outlook.com> wrote:
> toq...@outlook.com: > > From: Wu Jianhua <toq...@outlook.com> > > > > 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 <jamr...@gmail.com> > > Signed-off-by: Wu Jianhua <toq...@outlook.com> > > --- > > libavcodec/x86/vvc/vvc_alf.asm | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/libavcodec/x86/vvc/vvc_alf.asm > b/libavcodec/x86/vvc/vvc_alf.asm > > index 71e821c27b..f7b3e2a6cc 100644 > > --- a/libavcodec/x86/vvc/vvc_alf.asm > > +++ b/libavcodec/x86/vvc/vvc_alf.asm > > @@ -356,7 +356,8 @@ SECTION .text > > > > FILTER_VB xq > > > > - paddw m0, m2 > > + ; sum += curr > > + paddsw m0, m2 > > > > ; clip to pixel > > CLIPW m0, m14, m15 > > And can I get an answer to the question of whether the issue is present > when used by the actual decoder and not only the checkasm test? > From my reading of the source code, this could happen in a crafted (e.g. fuzzed) stream. Ronald _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
