[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=17a59a634c39b00a680c6ebbaea58db95594d13d 
assuming it was not fixed.
I think it only affected targets where av_cpu_max_align() returned 64.