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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<Compn>
re optimizing prores encoder: that sounds like a job that you should be paid for doing. not free :D
* Compn
blames kode54
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<pross>
hey compn, did you see my samples-request mail
<Compn>
hmm
<Compn>
ah gmail didnt forward it
<Compn>
Be careful with this message.
<Compn>
The sender hasn't authenticated this message so Gmail can't verify that it actually came from them.
<Compn>
probably because its via samples-request or something who knows
<pross>
nah my mail setup has problems with gmail
<Compn>
ok should be there now
<pross>
thx
<Compn>
just realized nothing in your mail mentioned these being fate samples
<pross>
but also has a nice gui for encoding from mic/line input :)
<Compn>
neat
<Compn>
i shouldve done the deep search . seems like i missed a bunch of fourccs
<Compn>
sigh
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<TheVibeCoder>
Lynne: if i multiply each DC by 2, the stripes in waveform output goes away, but i now have bandings in each 8x8 block, so IDCT needs tweaking
<fflogger>
[newticket] Jerry1144: Ticket #11657 ([undetermined] libx265: -bufsize and -maxrate does not complement -x265-params vbv-init=0.9) created https://trac.ffmpeg.org/ticket/11657
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<ePirat>
Lynne, did you download the files?
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<Lynne>
ePirat: I did, thanks
<Lynne>
I still don't get why they're so dark
<Lynne>
its some linear transform, but until we reverse engineer it, we can't compare outputs
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<ePirat>
Lynne, I guess its related to the bunch of rendering metadata attached to the buffer
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<ePirat>
Lynne, I can try if kVTDecompressionPropertyKey_RequestRAWOutput changes anything
<Lynne>
ePirat: could you test it?
<ePirat>
Lynne, doesnt change anything, but also its not advertised as kVTDecompressionPropertyKey_DecoderProducesRAWOutput, so not surprising.
<ePirat>
Lynne, querying the decoder, it also doesnt advertise raw bayer as supported output, its preferred highest quality output pixel format is apparently kCVPixelFormatType_128RGBAFloat = 'RGfA', /* 128 bit RGBA IEEE float, 32-bit little-endian samples */
<Lynne>
weird how their hardware decoder can only output non-bayer
<ePirat>
not hardware
<Lynne>
yeah, I mean in general
<JEEB>
I think it's rather not-surprising, the bayer part gets left completely out of any application's side of things
<JEEB>
apps just need to handle it like just another RGB thing
<ePirat>
but its weird that they have the pixel format for that but the decoder doesnt advertise support for it
<Lynne>
prores raw is pro-grade, so you'd like to control the debayering process and do proper white balance, that's the only reason to ever use it
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<JEEB>
if the debayering process is static and defined by the format, then that becomes unrelated and can be automagically handled. for white balance etc you just need enough precision
<JEEB>
us as hobbyists care about the original coded data, but such applications don't require that as long as there's enough precision in the decoded result
<ePirat>
Lynne, its really weird kVTDecompressionPropertyKey_RequestRAWOutput doesnt work
<JEEB>
hobbyists as in multimedia hobbyists, to be clear
<Lynne>
ah, maybe the bayer is in the alpha, so it didn't look like bayer to me
<ePirat>
the prores raw decoder is weird… it doesnt advertise kVTDecompressionPropertyKey_DecoderProducesRAWOutput but kVTDecompressionPropertyKey_RequestRAWOutput is a supported property on it…
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<TheVibeCoder>
Lynne: upload gbrapf32 output you get?
<TheVibeCoder>
ok, i got it with pf2pf filter instead
<TheVibeCoder>
mpv x.nut -vf exposure=-3
<TheVibeCoder>
is darker
<TheVibeCoder>
only remains to adjust white balance
<TheVibeCoder>
now how they got float format is real problem
<toots5446>
Hi all! Just checking again on the status of this vorbis patch. mkver, still interested in reviewing it? It was submitted over a month ago at this point..
<toots5446>
Ok. If you've got too much on your plate, I'm happy to seek other reviewers
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<BtbN>
Why does legitimately every single function in tls_openssl.c have different names for the handles to TLSContext and TLSShared?!
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<BtbN>
Hm, what is the correct return code from a url_write function that indicates "I've consumed all the data, but couldn't send it yet"
<BtbN>
i.e. "EAGAIN but don't feed me that same data again"
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<jamrial>
BtbN: EAGAIN doesn't seem to be forwarded to the user
<jamrial>
see retry_transfer_wrapper() in avio.c
<BtbN>
it is in nonblock mode
<BtbN>
and even in non-nonblocking mode, that exact wrapper will re-feed the same data again
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<BtbN>
The problem is, schannel sending is a two-step process
<BtbN>
it first encrypts the data, and obviously only THEN i can write it
<BtbN>
but if that write then returns EAGAIN, I have a problem
<BtbN>
if I just return EAGAIN and discard the encrypted data, the TSL session is broken
<BtbN>
I think I'll have to store the encrypted output, and on next send first deal with that. (or on shutdown first flush all that data)
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<AngelOfDarknessD>
Hi, is there a command to only have one mix for youtube, or an unified format, or something that kill all low resolution under 2160p
<BtbN>
How would ffmpeg have any influence on what YouTube does?
<AngelOfDarknessD>
Because i want to listen the real mix, not ten, when i try with the embed version : --remove ffmpeg, it's an another mix
<BtbN>
what?
<BtbN>
also, wrong channel
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<cone-010>
ffmpeg Paul B Mahol release/5.1:f6efc1e8aa53: avfilter/split: fix EOF passing to inlink
<cone-010>
ffmpeg Marton Balint release/5.1:56a67d122c9f: avfilter/split: consume all frames before forwarding inlink status
<AngelOfDarknessD>
Is it some fix for 240 p ?
<BtbN>
again, what?
<BtbN>
also, again, wrong channel -> #ffmpeg
<ePirat>
AngelOfDarknessD, you are making no sense
<AngelOfDarknessD>
No i want a fix with audio, no difference, that's all
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<ePirat>
┐('~`)┌
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