#webm — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #webm, aggregated by home.social.
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* conversion d'une vidéo de 3 min (69 Mo) du format #mkv au format #webm
* codec vidéo : VP9, codec audio: Opus#ffmpeg => fichier de 28 Mo 🥳
#handbrake => fichier de 57 Mo 🤔
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Как мы несколько дней искали проблему с перемоткой WebM
В одном из наших проектов бот записывает видеовстречи из Яндекс Телемоста, сохраняет их в WebM и передаёт на backend. После обработки запись становится доступна пользователю и воспроизводится через Video.js. Заметили что при перемотке длинных файлов видеоплеер надолго задумывается. Браузер продолжает загружать данные, буфер визуально заполняется, но воспроизведение не начиналось. Сначала мы исправили MIME-тип. Затем изменили настройки плеера. Потом ограничили ответы бека чанками по 50 МБ. Ничего из этого не помогло. Настоящая причина находилась не на фронте и не на беке, а в самом WebM.
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Edit: Actually, it's done.
I wonder what CPU 663.8% means here and if it's something to worry about.
```
[ble: elapsed 2h8m14s (CPU 663.8%)] for f in *.webm; do ffmpeg -i "$f" "${f%}.mkv"; done
```
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People with knowledge about video file formats, or especially about ffmpeg.Should it take a super long time for .webm files to convert to .mkv?
I'm using ffmpeg right now to convert a folder of about 30 .webm files to .mkv and it's been running a few hours and my laptop is getting really hot.
Genuinely not sure if I should let it finish or pull the plug.
#tech #techsupport #videofileformats #webm #mkv #ffmpeg
(tags here so people can mute them if they are interested in seeing these kinds of posts)
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People with knowledge about video file formats, or especially about ffmpeg.
Should it take a super long time for .webm files to convert to .mkv?
I'm using ffmpeg right now to convert a folder of about 30 .webm files to .mkv and it's been running a few hours and my laptop is getting really hot.
Genuinely not sure if I should let it finish or pull the plug.
#tech #techsupport #videofileformats #webm #mkv #ffmpeg
(tags here so people can mute them if they are interested in seeing these kinds of posts)
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Недостающее звено при обработке медиа на Go
Большинство медиа-библиотек для Go рано или поздно упираются в одну и ту же проблему. У них нет собственного декодера. Вместо этого они полагаются на установленный в системе пакет FFmpeg, shared библиотеки, платформозависимые DLL или внешние исполняемые файлы, которые должны присутствовать на целевой системе. На этапе разработки всё работает. Затем начинается развертывание. И внезапно вы отлаживаете отсутствующие DLL в Windows, несовместимые версии FFmpeg в Linux, различия версий из Homebrew на macOS, образы контейнеров без нужных библиотек или продуктовые серверы, где рядовое обновление пакета неожиданно ломает обработку медиа.
https://habr.com/ru/articles/1042916/
#go #ffmpeg #cgo #decoder #video #audio #media #mp4 #webm #mkv
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EDIT: Okay, solved it! 🥳 It turns out that the solution was:
Tools > Preferences > Input > Hardware acceleration to "off", then restart VLC
The graphics card was somehow messing up VLC's playback it seems, so switching it off in VLC made it work.
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Any VLC experts here?
I have VLC on a Linux Mint PC and it won't play WEBM video files properly, there's sound but a blank screen.
The same files on the same PC play totally fine in Celluloid, but not in VLC. Any ideas why VLC is having problems?
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EDIT: Okay, solved it! 🥳 It turns out that the solution was:
Tools > Preferences > Input > Hardware acceleration to "off", then restart VLC
The graphics card was somehow messing up VLC's playback it seems, so switching it off in VLC made it work.
-----------------------------
Any VLC experts here?
I have VLC on a Linux Mint PC and it won't play WEBM video files properly, there's sound but a blank screen.
The same files on the same PC play totally fine in Celluloid, but not in VLC. Any ideas why VLC is having problems?
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#TIL from building a web audio player (for the mixes):
#Safari's #opus support is still quirky. With a #webm container, playback works but AnalyserNodes won't receive anything to compute frequency data with. With #ogg, `getByteFrequencyData()` works, but the audio element calculates the wrong duration, prob. b/c it always assumes CBR. Also if you build the audio pipeline before the first user interaction in Safari, nothing will get routed to the speakers
But still, the #WebAudioAPI is awesome!
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#TIL from building a web audio player (for the mixes):
#Safari's #opus support is still quirky. With a #webm container, playback works but AnalyserNodes won't receive anything to compute frequency data with. With #ogg, `getByteFrequencyData()` works, but the audio element calculates the wrong duration, prob. b/c it always assumes CBR. Also if you build the audio pipeline before the first user interaction in Safari, nothing will get routed to the speakers
But still, the #WebAudioAPI is awesome!
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…or should I?
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#ootd #fashion #me #myface #selfie #photo #video #gif #vectorart #svg #webm #vp9 #fyp #animation #aesthetic #croptop #femboy #typography #linux #ghostInTheShell #logo #design #lewd #body #OC #originalart #art #digitalArt #laughingman #luigi #theLaughingMan #LuigiMangione #theLaughingManIncident #antifa #lgbtq #enby #trans #transfem #nonbinary #pink #stars #edit #hellokitty #cinnamoroll #fuckYou -
@dalias Say you want the public to benefit from a video codec that's usable by free software in countries where MPEG-LA members hold patents. Would there have been a better way to go about this than how Google released WebM using On2's TrueMotion VP8?
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@dalias Say you want the public to benefit from a video codec that's usable by free software in countries where MPEG-LA members hold patents. Would there have been a better way to go about this than how Google released WebM using On2's TrueMotion VP8?
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When's #Mastodon gonna roll out support for #WebP animations? It should also start handling video formats like #WebM or #MKV, a social for nerds and geeks oughta be one of the first to jump on that, especially since they're open formats with no royalties. #opensource #socialmedia
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When's #Mastodon gonna roll out support for #WebP animations? It should also start handling video formats like #WebM or #MKV, a social for nerds and geeks oughta be one of the first to jump on that, especially since they're open formats with no royalties. #opensource #socialmedia
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Well, I did it. I deleted my #Loops account, I am off that #Fediverse platform. There is no #WebBroswer option to use it. Uploading #Webm and #MKV videos is a no-go, and it failed to optimize the #mp4 from my phone.
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I just made a #WebM video for #loops it is 1.8mb down from the 8.6 mb when it was a #MKV. It has been several minutes at 0% of optimizing the video. Hahaha what!? Wait... It was taking to long so I tried the mkv file and that is stuck. Does loops only do #Mp4 files? That is too bad and kinda dumb. Looks like I will be dropping loops from my #fediverse profile :angery:
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#OpenDocument #Reader.
View #OpenOffice and #LibreOffice #documents on the go. Now available for #Android and #iOS!
In addition to that, OpenDocument Reader aims to support various other file formats as well as possible:
- Portable Document Format (#PDF)
- Archives: #ZIP
- Images: #JPG, #JPEG, #GIF, #PNG, #WEBP, #TIFF, #BMP, #SVG, etc
- Videos: #MP4, #WEBM, etc
- Audio: #MP3, #OGG, etc
- Text files: #CSV, #TXT, #HTML, #RTF
- Microsoft Office (#OOXML): Word (#DOC, #DOCX), Excel (#XLS, #XLSX), PowerPoint (#PPT, #PPTX)
- Apple iWork: Pages, Numbers, Keynote
- Libre Office and Open Office OpenDocument Format: #ODF* (#ODT, #ODS, #ODP, #ODG)
- PostScript (#EPS)
- AutoCAD (#DXF)
- Photoshop (#PSD)
https://opendocument.app/ -
Session "Multimedia in WebKit", led by @philn (via @webhackfest @webkit)
Slides: https://github.com/user-attachments/files/20566744/multimedia_webkit_2025.pdf
https://github.com/Igalia/webengineshackfest/issues/58
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Session "Multimedia in WebKit", led by @philn (via @webhackfest @webkit)
Slides: https://github.com/user-attachments/files/20566744/multimedia_webkit_2025.pdf
https://github.com/Igalia/webengineshackfest/issues/58
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Behold! A second video in our pivot to video experiment. This one is about how we use AI to write single-use AppleScript macOS applications to encode web-ready video to optimised mp4, webm, and avif.
#webdev #macos #applescript #ffmpeg #webm #avif #ai #grind #pivotingWildly
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1/3
Just completed a #Transcode of around 30 minutes of .webm vid+aud into h.265 (aka #HEVC).Took 8 hours.
And the computer's fan did a lot of whirring.
Getting a format that the TV wil play without #Transcoding seems necessary.
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1/3
Just completed a #Transcode of around 30 minutes of .webm vid+aud into h.265 (aka #HEVC).Took 8 hours.
And the computer's fan did a lot of whirring.
Getting a format that the TV wil play without #Transcoding seems necessary.
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If #tumblr had to see it then so do you. But you get an actual webm video, rather than four GIFs and an MP3. Edited/rendered with kdenlive, where I added English subtitles. #tapir #belize #gif #mp3 #webm #australia #WorldTapirDay #kdenlive
Original: https://www.tumblr.com/aspensmonster/782022193200693248
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If #tumblr had to see it then so do you. But you get an actual webm video, rather than four GIFs and an MP3. Edited/rendered with kdenlive, where I added English subtitles. #tapir #belize #gif #mp3 #webm #australia #WorldTapirDay #kdenlive
Original: https://www.tumblr.com/aspensmonster/782022193200693248
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CW: NSFW sissy stuff
jus testing 2 see if i want to upload more here. i used exist on another instance uploading porn i liked and rilly enjoyed it! that said lots of other people didnt. lemme no if u think we need more people uploading random smut.
i like to share what i have. i try to credit when i can and hashtag kinks for filtering. an if its u in a vid and want it down let me know!
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CW: NSFW sissy stuff
jus testing 2 see if i want to upload more here. i used exist on another instance uploading porn i liked and rilly enjoyed it! that said lots of other people didnt. lemme no if u think we need more people uploading random smut.
i like to share what i have. i try to credit when i can and hashtag kinks for filtering. an if its u in a vid and want it down let me know!
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#38c3 recordings and indeed pretty much all https://media.ccc.de/ content is just fine at 75% smaller download sizes: #webM & lower resolution. Unless a presentation contains lots of source code ¯\_(ツ)_/¯
Thank you #c3voc for offering that, and for probably having spent many hours improving the conversion settings 🤩
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#38c3 recordings and indeed pretty much all https://media.ccc.de/ content is just fine at 75% smaller download sizes: #webM & lower resolution. Unless a presentation contains lots of source code ¯\_(ツ)_/¯
Thank you #c3voc for offering that, and for probably having spent many hours improving the conversion settings 🤩
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I don't know how people usually pronounce it, but I propose to treat the B in WEBM and WEBP as silent, pronouncing it like "wem" and "wep". The B doesn't add any necessary auditory information but makes it harder to pronounce. #webm #webp #pronunciation
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I don't know how people usually pronounce it, but I propose to treat the B in WEBM and WEBP as silent, pronouncing it like "wem" and "wep". The B doesn't add any necessary auditory information but makes it harder to pronounce. #webm #webp #pronunciation
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Aww damn, man! @yusef
super awesome to find you!i'm so behind on stuff! damn stupid LAN... finally got that "working". gotta setup the nginx etc. but really excited that i caught someone's attention about that FINALLY!
thank you!
https://statecollegeguitarlessons.com/adb/aeolean.webm@zombiewarrior how come you never mentioned about that? I guess #UiUX not really your bag, baby?
https://tonewise.app/free-play
Which one did i try? Aww.. i was trying to do that song, "In the end" by Linkin Park.
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Aww damn, man! @yusef
super awesome to find you!i'm so behind on stuff! damn stupid LAN... finally got that "working". gotta setup the nginx etc. but really excited that i caught someone's attention about that FINALLY!
thank you!
https://statecollegeguitarlessons.com/adb/aeolean.webm@zombiewarrior how come you never mentioned about that? I guess #UiUX not really your bag, baby?
https://tonewise.app/free-play
Which one did i try? Aww.. i was trying to do that song, "In the end" by Linkin Park.
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Я смотрю iOS/iPadOS теперь умеет #WebM проигрывать искароппки?
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Sitting here watching a #Kurzgesagt #video and it has me wondering....
Their videos are basically #vector #graphics and vector drawings, no doubt rendered to an #MP4 video or something similar (#WebM, etc.)
Think about how much bandwidth would be saved if we could actually stream vector #animations!
In other words, we need to create and/ or bring back an open-source version of Adobe (Macromedia) #Flash!
