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
<kasper93> I left it as is, sent other janitorial patches
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<BtbN> The whip developer, Jack Lau, is starting to annoy me... He keeps arguing "we need convention breaking thing XYZ in udp.c/tls_openssl.c/... cause WHIP/WebRTC"
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<BtbN> He is seemingly unable to think outside of that box, only developing straight towards the goal he has in mind, taking no prisoners on the way there
<BtbN> "(Yeah, using the dtls:// protocol normally is impossible this way,) but WebRTC profits from it". Like what
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<cone-473> ffmpeg Jack Lau master:7afe1167e5d5: avformat/tls_openssl: set tlsext host name after init ssl
<cone-473> ffmpeg Timo Rothenpieler master:95eae5dd507f: avformat/tls_openssl: unset nonblock flag on correct URLContext during dtls handshake
<cone-473> ffmpeg Jack Lau master:7bd3bdbd6224: avformat/whip: free udp socket after dtls free
<cone-473> ffmpeg Jack Lau master:dda91b87e86b: avformat/tls_openssl: replace 1 with TLS_ST_OK to be more clear
<cone-473> ffmpeg Jack Lau master:e6af82c49895: avformat/tls_openssl: remove all redundant "TLS: " in log with AVClass
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<kasper93> oh, so patchwork can send an email when build fails
<kasper93> but cannot send me reset password? lol
<carinobra> Hello. I'm trying to pipe down a MPEG Dash (.mpd manifest) that is encrypted with Widevine. I have KID and KEY information. How do I pass those keys to ffmpeg to decrypt the stream?
<kasper93> https://ffmpeg.org/ffmpeg-formats.html see cryptokey or decryption_key or whatever
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<compn> hmm if that carinobra person comes back send him my way
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<Yalda> i will keep an eye as well
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<compn> a lot of mails from ffmpeg-lists going into my spam filter. lets just 'report as not spam' and hope things work out
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<compn> roundcube mail sucks as a webmail.
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<compn> oh now i'm getting kierank's duplicate mails :D
<compn> except no dupes on michaels. weird stuff.
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<cone-566> ffmpeg Niklas Haas master:9251af058a04: tests/checkasm: add scene_sad checkasm test
<cone-566> ffmpeg Niklas Haas master:e44a1aaeecc1: avfilter/x86/scene_sad: add high bit depth AVX2/AVX512 version
<cone-566> ffmpeg Niklas Haas master:dc61b74c1d30: avfilter/scene_sad: pass true depth to ff_scene_sad_get_fn()
<cone-566> ffmpeg Niklas Haas master:91f2d146d418: avfilter/x86/scene_sad: add AVX512 implementation
<haasn> It seems `make fate` no longer implies `make ffprobe`? If I run `make clean && make fate` I get an error
<haasn> But after `make ffprobe` it passes
<cone-566> ffmpeg Niklas Haas master:bc8d06d54188: avfilter/vf_thumbnail: unroll and use multiple histograms
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<cone-566> ffmpeg Jack Lau master:abb274b154a1: avformat/tls_openssl: make tls and dtls use one close function
<cone-566> ffmpeg Timo Rothenpieler master:e6d2c67cd096: avformat/tls_openssl: avoid unusual inline-if style
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<cone-566> ffmpeg Jack Lau master:25e710c61ebf: avformat/whip: force NONBLOCK for rtp
<haasn> Lynne: what is going on with GSoC? I got emails asking about midterm evaluations
<Lynne> oh, yes, I need to do them
<haasn> As far as I can tell I have had no contact at all with the relevant students
<haasn> Okay
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<Lynne> students show up here once in a while, averne and indecisiveturtle
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<indecisiveturtle> Hi xD
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<jamrial> Lynne: that heif sample you linked is 6000x4000 with no tiles
<jamrial> crazy that a phone can handle that. i assumed their hardware en/decoders were limited to at most 4k
<Lynne> its from a camera
<jamrial> oh
<Lynne> the hardware can do 8k 3:2 420p at 30ish fps, still pretty crazy
<jamrial> 8k non tiled? nice
<Lynne> 240fps at 1080p is much more impressive though
<Lynne> its 800Mbps, 2x the bitrate of 8k open gate
<jamrial> not really, samsung phones can do 960fps for their super slowmo mode
<Lynne> wow, at 1080p?
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<nevcairiel> It was first introduced at 720p, but later phone models upped it to 1080p
<Lynne> phones sure move fast these days
<Lynne> wonder if they overheat
<jamrial> they limit recording super slow mo to only a few seconds
<Lynne> oof, about as much as I thought they would
<Lynne> shorter actually, I expected them to last a minute
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<haasn> I am actually dying of cringe
<haasn> I don't know why this throwaway line is getting so much attention
<haasn> it's literally just a random simd routine for a bespoke filter that probably nobody else cares about
<haasn> and the C version was just shit
<haasn> "The obscurity of the function means it hadn’t been prioritized by the devs until now."
<haasn> dude it didn't exist until now
<haasn> phoronix quality research as always
<haasn> oh, it's not phoronix
<haasn> my apologies to phoronix
<haasn> "They would later go on to elaborate that the functionality, which might enjoy a 100% speed boost" 100x = 100% apparently now
<kierank> might be AI
<kierank> phoronix is not that bad
<BtbN> Phoronix picked it up as well though
<BtbN> cause of course they did
<BtbN> https://www.phoronix.com/news/FFmpeg-July-2025-AVX-512 seems to describe it accurately at least though
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<kasper93> sorry, but this is just crazy
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<kasper93> not to discard haasn achivement here, but this is not that important of filter, lol
<kasper93> > Is this for encode or decode? Because for encoding, that's a big deal.
<kasper93> yeah, about that
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<haasn> there was exactly one intelligent reply on X
<haasn> the guy that pointed out that "speedup" is an artificial metric because there is no limit to how inefficient you can make a C version
<BBB> he's right
<BtbN> "C version relies on bogosort"
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<CounterPillow> Lmao at the comments having some intrinsics enthusiast herping a derp
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<kasper93> btw. haasn what compiler do you use to get such low C performance? https://0x0.st/s/RJkw3BgPEZOLAUx1LT9nlA/8dmA.log
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<kasper93> save the click for lazy people: scene_sad8_avx512: 3686.6 ( 4.48x)
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