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 6.1.1 has been released! | Please read ffmpeg.org/developer.html#Code-of-conduct
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<durandal_1707>
let FFmpeg 7.0 be last ffmpeg release
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<Lynne>
x264 style pick your favorite git commit
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<elenril>
Traneptora: have you considered just writing your own decoder and encoder?
<Traneptora>
decoder Lynne called dibs on
<Traneptora>
encoder, I already have, it's called libhydrium but it's WIP
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<akapustin>
Hey guys, hope you are well. I spent more than 1 week, trying to troubleshoot one issue, which might not be an issue after all. To reproduce it I had to wait for 25+ hours...
<akapustin>
Long story short: looks like start_time is overflowing. And it can hold maximum ~ 95379 seconds
<akapustin>
is it what expected? Or should I raise a bug?
<kurosu>
For some reason, that number * 90KHz/2 looks to be really close to 2^32. But that sounds like something to put on trac with a command-line to reproduce, in particular the timebase
<kierank>
23:05:05 <durandal_1707> you all are on FFlabs paylist
<kierank>
Amazing how you and NG agree on something
<akapustin>
@Kurosu: Interesting, never though of relating this issue with frequncy. I was thinking that its related to int64_t (which is type behind wallclock) with maximum value: 2^63 = 9,223,372,036,854,775,807. But there must be plenty of capacity to store more than 1 day, even it's in microseconds
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<durandal_1707>
major bump and dump ffmpeg code
<Traneptora>
ye, but somewhere something might be using int
<Traneptora>
instead of int64_t
<Traneptora>
worth investigating
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<durandal_1707>
hacks everywhere
<elenril>
(majority added by durandal_1707)
<durandal_1707>
FFmpeg for sale
<durandal_1707>
elenril is incompetent developer on FFlabs payroll
<elenril>
you forgot poor
<durandal_1707>
why you still work on FFmpeg at all?
<durandal_1707>
why you still work on FFmpeg at all?
<elenril>
to annoy you personally
<durandal_1707>
doesnt you still write and do serious research on scientific papers about physics?
<elenril>
I can do both
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<durandal_1707>
at what quality?
<durandal_1707>
both products become sub-optimal in long turn
<durandal_1707>
lets praise today the gstreamer superiority over ffmpeg
<elenril>
well, I got 2 PRL papers in 2 years
<elenril>
that tends to be considered pretty good
<durandal_1707>
FFmpeg - the master failure
<elenril>
did you get that puppy yet?
<elenril>
it would improve your life
<durandal_1707>
i have no money to keep puppy on life
<aaabbb>
gstreamer superiority lmao
<elenril>
you could do contracting for fflabs
<durandal_1707>
you think fflabs contracts are enough for puppy food and shelter?
<durandal_1707>
maybe for virtual puppy in .jpeg
<elenril>
I dunno, ask some mastermind like kierank
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<durandal_1707>
i never got any serious bussiness contract/proposal from him
<durandal_1707>
serious - able to pay shelter and food for puppy for at least one year
<aaabbb>
this place has so much drama it makes lkml look positively respectful. i like it
<elenril>
this is just funposting, not actual drama
<aaabbb>
i mean on the mailing list too
<elenril>
durandal_1707: so like 10k€? that shouldn't be so hard
<aaabbb>
i can tell the irc is more laid back and just ribbing
<elenril>
yeah we're old school like that
<durandal_1707>
elenril: rotfl, i asked for less than that, you are far from cheap
<elenril>
asked whom?
<elenril>
10k€ per year is like minimum wage
<durandal_1707>
some very rich mastermind
<elenril>
clearly not rich enough
<durandal_1707>
does FFlabs lay-off staff?
<durandal_1707>
> If you give away your work for $0 then the value of your work is $0.
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<JEEB>
I should check with current master if this is still like this, but I love how certain tests using fixed decoders aren't flagged like that :D
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<wbs>
definitely seems like there's some stack clobbering happening somewhere, and this is without any asm
<wbs>
(at least the arm case is reproducible with --cpuflags none)
<frankplow>
clang-usan on AArch64 shows that same shift exponent too big and then an additional integer overflow for both those bitstreams, but nothing else
<kasper93>
why not check asan? ubsan can miss things like stack clobbering
<frankplow>
kasper93: I checked asan, it didn’t report anything
<kasper93>
32-bit build too? I think wbs is having failures on 32-bit platforms
<JEEB>
&41
<JEEB>
whoops
<durandal_1707>
ffmpeg is insecure
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<kasper93>
need a rust version
<JEEB>
opaa
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<cone-568>
ffmpeg Andreas Rheinhardt master:280df9d0eb0d: avutil/hwcontext_d3d12va: Use av_image_copy() wrapper
<cone-568>
ffmpeg Andreas Rheinhardt master:3435565e26bd: avcodec/d3d12va_(av1|hevc|vp9): Don't use deprecated FF_PROFILE_*
<another|>
durandal_1707: Are you going to FOSDEM?
<jdarnley>
Does swscale have an equivalent of avutil_version()?
<jdarnley>
yes swscale_version() I must be blind
<cone-568>
ffmpeg James Almer master:bc1d8a9b7650: avcodec/vvc_mvs: align local motion vector fields
<cone-568>
ffmpeg James Almer master:cb6a488fba77: avcodec/vvc_mvs: remove an unnecessary AV_ZERO64() call
<JEEB>
&28
<JEEB>
-_-
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<kasper93>
&42
<Traneptora>
&
<Traneptora>
one day I'm going to go to a coding website and do something like int amp; int *a = & just to see if it can handle it
<JEEB>
the & comes from shift-7 being / in .fi layout, yet I often end up being in .jp layout which is similar to US. there of course / is in the bottom row while shift-7 gives you &
<Traneptora>
there are other keyboard layouts than US English?
<JEEB>
:)
<Traneptora>
<- says me, who lives in the United States, and thus doesn't have to worry about the tech world not being in his native language
<Traneptora>
tho it's probably an actual pain that C is straight up in English, if you don't know English
<wbs>
the english parts of programming languages isn't an issue, at all. the main issue is programming languages using special chars that are convenient to type on US keyboards bur inconvenient on various other layouts
<JEEB>
yea
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<Traneptora>
what default memory alignment do we use on 32-bit and on 64-bit systems?
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<JEEB>
I think there was a func to get it?
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<BtbN>
there's just a plain define in mem.c
<BtbN>
it's currently hardcoded to depend on the presence of AVX and AVX512, if neither of them are there, it's 16 bytes.
<frankplow>
I managed to reproduce your errors on x86_32-linux. Been having trouble compiling with address sanitiser due to some of the intrinsics in libswscale though.
<wbs>
awesome
<durandal_1707>
another|: yes, Librempeg presentations will be all the time on FOSDEM, once FFmpeg is deprecated
<another|>
So is that a no?
<durandal_1707>
another|: AI does not have flesh
<another|>
I asked a simple yes/no question and you can't or won't answer that. Okay.
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<durandal_1707>
another|: i feel arrogant/aggressive behavior in that response
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<durandal_1707>
come back!
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<durandal_1707>
elenril: still no fix for that .thd issue ?
<another>
Nah. Just an assessment. I'm tired of your behaviour.
<durandal_1707>
another: why you tired?
<JEEB>
41
<courmisch>
Lynne: nope
<durandal_1707>
let me elaborate it for you
<durandal_1707>
Lynne: nope, no new hw for you to develop on FFmpeg related projects.
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<another>
durandal_1707: 90% of what I see from you is trolling, sarcastic comments and verbal attacks. You apparently can't even answer a simple yes/no question sincerely.
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<courmisch>
Lynne: I only have commercial hardware
<durandal_1707>
another: why you ask that question at all, I do not work for FFlabs, now or before, and I can not afford 1 year of single shelter and food for one puppy
<another>
Because I was interested if you'll be there and if there's a chance that we'll meet. No idea what this has to do with fflabs with which you seem to be obsessed about.
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<elenril>
I guess it's a bit late this year, but flight costs can be reimbursed for active developers
<Marth64>
I feel like I have to contribute a lot more to earn that, maybe by next yr :) happy to introduce myself in a virtual event if one happen before then
<Marth64>
also more afraid of the flying itself than the cost haha
<Marth64>
I get nervous after >3 hour flight
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<elenril>
i get it, the door could fall off at any moment
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<Marth64>
yess only takes one bad QA job
<kasper93>
you can filter out plane type now on kayak
<kasper93>
I always take those emergency row seats, because there are more room for legs, but probably need to reconsider ;p
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<kierank>
same
<kierank>
I was scheduled to be on a max9 the day of that incident
<durandal_1707>
elenril: i already said, i do not have enough money for puppy food and shelter, so traveling is out of reach.
<elenril>
you could be sponsored by SPI
<durandal_1707>
but that need I get money first
<durandal_1707>
to be able to pay for travel
<JEEB>
pretty sure it's possible to do that for people who really don't have the resources
<elenril>
I can buy you tickets if you promise to come
<durandal_1707>
i need tickets, soap, food, shelter, clothes, etc....
<JEEB>
TIL durandal_1707 does not like having clothes on
<Marth64>
I just googled fflabs for the first time
<Marth64>
There's a kinda bad typo on otherwise good looking site
<Marth64>
"We can help you upstream your code, and unsure the maintenance and security of your version." --> ensure not unsure :DD
* Marth64
runs for the hills
<durandal_1707>
Marth64: nice, do not hold breath for it to ever be fixed
<another>
Marth64: I already reported that back in May
<durandal_1707>
see ....
<Marth64>
it's not my battle but def found it funny
<Marth64>
haha
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<elenril>
JEEB: something will need to be done about random fate-ffmpeg-fix_sub_duration_heartbeat failures
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<elenril>
durandal_1707: there, happy?
<durandal_1707>
?
<wbs>
elenril: yes, seconded. I saw a lot of failures in that test earlier, although I haven't seen it in a while now
<durandal_1707>
elenril: how much it improves stuff? more than 10 times for .thd?
<durandal_1707>
because if only 5-10% its not worth it
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<elenril>
durandal_1707: measure and see
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<Marth64>
who to ask permission to mark tickets fixed in TRAC? some which are particularly ancient or recently fixed (even with reporter confirming its fixed)
<elenril>
can't any registered user do it?
<Marth64>
yes it does seem to let me but i thought to check before i go at it
<Traneptora>
<Marth64> I feel like I have to contribute a lot more to earn that
<Traneptora>
know that feels
<Traneptora>
like I'd want to go but don't feel like we're entitled to ask for a reimbursement for a plane ticket from north america with how much code I don't write
<Traneptora>
er, I
<Traneptora>
not we
<courmisch>
mmwell, I have never applied for money from SPI, but I'd say that if you're a voting dev, you're eligible