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[FFmpeg-devel] FATE Errors X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: > -----Original Message----- > From: ffmpeg-devel On Behalf Of > Paul B Mahol > Sent: Saturday, May 28, 2022 10:33 AM > To: FFmpeg development discussions and patches devel@ffmpeg.org> > Subject: Re: [FFmpeg-devel] FATE Errors > > On Sat, May 28, 2022 at 10:12 AM Soft Works > wrote: > > > > > > > > -----Original Message----- > > > From: ffmpeg-devel On Behalf Of > > > Paul B Mahol > > > Sent: Saturday, May 28, 2022 10:04 AM > > > To: FFmpeg development discussions and patches > > devel@ffmpeg.org> > > > Subject: Re: [FFmpeg-devel] FATE Errors > > > > > > On Sat, May 28, 2022 at 9:47 AM Soft Works > > > > wrote: > > > > > > > > > > > > > > > > -----Original Message----- > > > > > From: ffmpeg-devel On > Behalf Of > > > > > Paul B Mahol > > > > > Sent: Saturday, May 28, 2022 9:35 AM > > > > > To: FFmpeg development discussions and patches > > > > devel@ffmpeg.org> > > > > > Subject: Re: [FFmpeg-devel] FATE Errors > > > > > > > > > > On Sat, May 28, 2022 at 9:26 AM Soft Works > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > From: ffmpeg-devel On > > > Behalf Of > > > > > > > Paul B Mahol > > > > > > > Sent: Saturday, May 28, 2022 9:26 AM > > > > > > > To: FFmpeg development discussions and patches > > > > > > devel@ffmpeg.org> > > > > > > > Subject: Re: [FFmpeg-devel] FATE Errors > > > > > > > > > > > > > > On Fri, May 27, 2022 at 11:11 PM Soft Works > > > > > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > From: ffmpeg-devel > On > > > > > Behalf Of > > > > > > > > > Andreas Rheinhardt > > > > > > > > > Sent: Saturday, April 30, 2022 10:02 PM > > > > > > > > > To: ffmpeg-devel@ffmpeg.org > > > > > > > > > Subject: Re: [FFmpeg-devel] FATE Errors > > > > > > > > > > > > > > > > > > James Almer: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 4/30/2022 4:06 PM, Andreas Rheinhardt wrote: > > > > > > > > > >> Soft Works: > > > > > > > > > >>> Hi, > > > > > > > > > >>> > > > > > > > > > >>> is it a known issue that the current head of the > > > master > > > > > > > branch > > > > > > > > > has > > > > > > > > > >>> FATE errors? > > > > > > > > > >>> > > > > > > > > > >>> I get the same locally as well as on the > automated > > > GitHub > > > > > > > build. > > > > > > > > > >>> One is this: > > > > > > > > > >>> > > > > > > > > > >>> --- ./tests/ref/vsynth/vsynth2-mpeg2-422 2022-04- > 30 > > > > > > > > > >>> 14:23:44.330424058 +0000 > > > > > > > > > >>> +++ tests/data/fate/vsynth2-mpeg2-422 2022-04-30 > > > > > > > > > 14:38:41.071678201 > > > > > > > > > >>> +0000 > > > > > > > > > >>> @@ -1,4 +1,4 @@ > > > > > > > > > >>> -b2fa9b73c3547191ecc01b8163abd4e5 > > > > > > > > > >>> *tests/data/fate/vsynth2-mpeg2-422.mpeg2video > > > > > > > > > >>> -379164 tests/data/fate/vsynth2-mpeg2- > 422.mpeg2video > > > > > > > > > >>> -704f6a96f93c2409219bd48b74169041 > > > > > > > > > >>> *tests/data/fate/vsynth2-mpeg2-422.out.rawvideo > > > > > > > > > >>> -stddev: 4.17 PSNR: 35.73 MAXDIFF: 70 bytes: > 7603200/ > > > > > 7603200 > > > > > > > > > >>> +8f6d565723ccf879ab2b5aa910b7ce21 > > > > > > > > > >>> *tests/data/fate/vsynth2-mpeg2-422.mpeg2video > > > > > > > > > >>> +380544 tests/data/fate/vsynth2-mpeg2- > 422.mpeg2video > > > > > > > > > >>> +0797fddea4835687dedddebbbe98fa8f > > > > > > > > > >>> *tests/data/fate/vsynth2-mpeg2-422.out.rawvideo > > > > > > > > > >>> +stddev: 4.16 PSNR: 35.73 MAXDIFF: 75 bytes: > 7603200/ > > > > > 7603200 > > > > > > > > > >>> Test vsynth2-mpeg2-422 failed. Look at > > > > > > > > > >>> tests/data/fate/vsynth2-mpeg2-422.err for > details. > > > > > > > > > >>> make: *** [tests/Makefile:277: fate-vsynth2- > mpeg2- > > > 422] > > > > > Error > > > > > > > 1 > > > > > > > > > >>> > > > > > > > > > >>> > > > > > > > > > >>> Is anybody seeing the same? > > > > > > > > > >>> > > > > > > > > > >>> Thanks, > > > > > > > > > >>> sw > > > > > > > > > >> > > > > > > > > > >> http://fate.ffmpeg.org/ doesn't show recent > > > regressions > > > > > and > > > > > > > FATE > > > > > > > > > is fine > > > > > > > > > >> for me locally. I recently made changes to FATE > > > (namely > > > > > the > > > > > > > test > > > > > > > > > >> requirements, vcodec.mak (where the vsynth-tests > > > reside) > > > > > among > > > > > > > the > > > > > > > > > files > > > > > > > > > >> affected), so I am interested in whether the > failing > > > tests > > > > > are > > > > > > > > > >> concentrated on the files recently changed by me > (it > > > would > > > > > > > > > obviously not > > > > > > > > > >> haved pushed them if I knew them to cause issues; > also > > > > > > > patchwork > > > > > > > > > was > > > > > > > > > >> fine). > > > > > > > > > >> Are these issues reproducible? Can you bisect > them? > > > > > > > > > >> > > > > > > > > > >> - Andreas > > > > > > > > > > > > > > > > > > > > This may be the alignment issue introduced in lavfi > in > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=17a59a634c39b00 > > > > > > > > > a680c6ebbaea58db95594d13d > > > > > > > > > > assuming it was not fixed. > > > > > > > > > > I think it only affected targets where > > > av_cpu_max_align() > > > > > > > returned > > > > > > > > > 64. > > > > > > > > > > > > > > > > > > You are completely right: Just making > av_cpu_max_align > > > return > > > > > 64 > > > > > > > > > allows > > > > > > > > > to reproduce the issue. And it has nothing to do with > my > > > > > recent > > > > > > > FATE > > > > > > > > > patches (545e87f49dc9fa5b880e330fc4e1854df68cc0f1 > would > > > be > > > > > the > > > > > > > only > > > > > > > > > contender for changes). > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > I found that the FATE errors can be avoided by using > > > > > > > > > > > > > > > > ./configure --disable-avx512 > > > > > > > > > > > > > > > > Yet, I hope it will be fixed at some time.. > > > > > > > > > > > > > > > > > > > > > > I hope you will post a fix for it soon. > > > > > > > > > > > > That depends on whether we want alignment values > 32bit..? > > > > > > > > > > > > > > > > Nope, its about mpeg video encoder in lavc that does funny > things > > > > > from old > > > > > days when linesize alignment was hardcoded. > > > > > > > > Adding this > > > > > > > > align = FFMIN(align, 32); > > > > > > > > to ff_default_get_video_buffer2() resolves the issue. > > > > > > > > > > Maybe it resolves it for you but that does not mean in any way > that > > > that is > > > valid or correct solution. > > > > > > > > > > > > > > That's why I had written: > > > > > > > > > That depends on whether we want alignment values > 32bit..? > > > > > > > > > > 32bit is 4 integers. so I failed to follow whatever you tried to > > > communicate. > > > > Sorry for being unclear. What I meant to ask is this: > > > > In cases where av_cpu_max_align() returns something > 32 - for > > example 64, do we have to use that max-align value of 64 for > alignment > > in video.c and framepool,c or could we just limit this to 32? > > (hence the FFMIN). > > > > Limiting the alignment to 32 appears to fix the issue, meaning that > > the three fate tests mentioned above are producing the expected ref > > output and don't fail anymore. > > > > That is hack. Only when 64bit alignment would be required or beneficial in terms of performance (e.g. AVX512 operations). Which is the reason for my question. If yes, then this would be surely a bad idea. sw _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".