michaelni changed the topic of #ffmpeg-devel to: Welcome to the FFmpeg development channel | Questions about using FFmpeg or developing with libav* libs should be asked in #ffmpeg | This channel is publicly logged | FFmpeg 7.1.1 has been released! | Please read ffmpeg.org/developer.html#Code-of-conduct
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<Lynne>
expired domains get pruned from search engines too, even though search engines themselves keep backups
<Lynne>
I'm sure its probably some scraping/bandwidth issue
<cone-764>
ffmpeg Lynne master:ec3f3457fdfd: vulkan_decode: add STORAGE flag to output images
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<ramiro>
haasn: thanks for swscale5_shuffle branch, I'll look at it in a couple of weeks.
<ramiro>
I also noticed that rgba -> rgb0 could be improved by a better packed shuffle solver
<ramiro>
you _could_ submit it to the ML again, but you could also tackle subsampled formats first, since you will inevitably have to do it very soon :)
<fflogger>
[editedticket] MasterQuestionable: Ticket #11542 ([ffmpeg] gdigrab sometimes fails to capture specific windows on some machines) updated https://trac.ffmpeg.org/ticket/11542#comment:17
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<cone-987>
ffmpeg softworkz master:5fc424c27cde: ffmpeg/repo: Add dot-folders in the repository root to .gitignore
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<llyyr>
why is the commit message scuffed
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<jkqxz>
If you have a 4:2:2 JPEG (therefore centre chroma sampling), is it possible to represent that in normal video codecs like H.264/AV1 or is it mandatory to rescale that when transcoding?
<cone-987>
ffmpeg Lynne master:7cd1edeaa410: vulkan: drop bgr_workaround
<Lynne>
jkqxz: both have chroma alignment fields
<Lynne>
h273
<jkqxz>
Only talks about 4:2:0.
<jkqxz>
H.265 seems to say that 4:2:2 must be collocated.
<jkqxz>
AV1 is vague, but doesn't let you signal anything for 4:2:2 anyway.
<another|>
wdym? 4:2:2 is supported in the "Professional" profile
<jkqxz>
So where are the chroma samples relative to the luma when coding 4:2:2 in AV1?
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<another|>
that I do not know
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<Lynne>
probably the default
<jkqxz>
And what is "the default"? Same as JPEG, same as H.265, something else?
<Lynne>
"external"... oh, well
<Lynne>
it's just what libaom assumes the default is that is the default, then
<jkqxz>
Does libaom even care? I would have thought it just passes the pixels through without thinking about the meaning.
<Lynne>
doesn't look like it
<Lynne>
when in doubt, just assume h264 default chroma then