Mastodawn

The following works (for a json file stored in D:\mypath\):

ffmpeg -i H:\nu\main.mkv -i H:\nu\ref.mkv -lavfi libvmaf=model='path=D\\\:/mypath/vmaf_v0.6.1.json' -f null -

https://www.reddit.com/r/ffmpeg/comments/11fnnou/new_syntax_libvmaf_model_the_model_path_option_is/ #ffmpeg #vmaf

$Kunde möchte, dass ich das uploadlimit erhöhe, weil er ein Video nicht hochladen kann.

Habe das Video jetzt einmal durch einen halbwegs vernünftigen #ffmpeg durchgelassen, Unterschiede in der Qualität sehe ich keine.
Datei nur noch halb so groß.

Habs ihm hingeworfen und es charmant fomuliert von wegen er hat sicher etwas in seinem "Davinci Resolve" falsch eingestellt und daher kam das Video viel zu groß raus.

Ist eigentlich Arbeitsverweigerung, aber ja... Mal sehen.

𝐋🅦🆄𝐢𝖇-ᖆ_🐧18h ago

Rohhh le mec qui découvre que maintenant,
que @VLC_Android "affiche" les #Hilight (moments forts) marqués par sa #GoPro.

De minuscules traits apparaissent au survole de la barre d'avancement. Un tache sur l'écran on pourrait passer à coté.

Ces metadata sont donc biens inscrites dans le fichier mp4 et sûrement trouvables avec #ffmpeg et ffprobe.

#Vidéo #VLC #Geek #Astuce

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stib 1d ago

@Ichinin The answwer to any question "is there a tool that can do X to video" is almost always `ffmpeg -X`.
In this case:
`ffmpeg -itsoffset 15 -i /path/to/your/subtitles.srt /path/to/your/subtitles_delayed.srt`
#ffmpeg #foss

steam_lover 1d ago

FFmpeg 8.1 Released With Experimental xHE-AAC MPS212, More Vulkan Acceleration

https://sh.itjust.works/post/56980649

FFmpeg 8.1 Released With Experimental xHE-AAC MPS212, More Vulkan Acceleration - sh.itjust.works

Lemmy

novaTopFlex 1d ago

Hype for the Future 137D → What to Expect from Virtualization Videos

Introduction When novaTopFlex creates videos involving the presence of virtual machines, expect the display resolution of the display to be recorded using the ffmpeg command to be set to 960x540. The ffmpeg command-line parameters should be set as follows: ffmpeg -f pulse -i default -f x11grab -framerate 60 -draw_mouse 0 -i .mp4 Virtualization Standards More information will be available directly within the video comments at https://www.youtube.com/@novaTopFlex.

https://novatopflex.wordpress.com/2026/03/17/hype-for-the-future-137d-%e2%86%92-what-to-expect-from-virtualization-videos/

Hype for the Future 137D → What to Expect from Virtualization Videos

Introduction When novaTopFlex creates videos involving the presence of virtual machines, expect the display resolution of the display to be recorded using the ffmpeg command to be set to 960×5…

novaTopFlex

GripNews 1d ago

🌕 FFmpeg 軟體更新：多媒體處理的跨平臺解決方案
➤ 邁向高效能 GPU 加速與現代化架構的新里程
✤ https://ffmpeg.org/index.html#pr8.1
FFmpeg 是一套廣泛應用於影音轉檔、錄製與串流的強大跨平臺工具。近期更新（8.1 與 8.0 版本）大幅強化了對 Vulkan 計算編碼器的支援，並引入了多種原生解碼器（如 APV、ProRes RAW、RealVideo 6.0 等）。透過現代化基礎設施及對 VVC、IAMF 等新技術的跟進，FFmpeg 持續優化其內部架構，不僅提升了編碼效能與硬體加速效率，更透過靜態分析工具大幅降低了程式碼缺陷密度，確保了在全球多媒體生態系中的核心地位。
+ FFmpeg 這次在 Vulkan Compute 上的投入非常關鍵，這意味著未來非線性剪輯軟體能直接利用通用的 GPU 運算力，而無需綁定特定硬體的 SDK。
+ 很欣慰看到政府基金（Sovereign Tech Fund）開始支持這類基礎建設級的開源項目，這對整個多媒體產業的穩定性至關重要。
#多媒體技術 #開源軟體 #軟體工程 #FFmpeg

FFmpeg

Hacker News 1d ago

FFmpeg 8.1

https://ffmpeg.org/index.html#pr8.1

#HackerNews #FFmpeg #8.1 #FFmpegUpdate #VideoEditing #OpenSource #Multimedia

FFmpeg

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Yann Büchau

1d ago

It also seems to be an impossibility for #ffmpeg to just fill an transparency with a given color, which would be a workaround for the above.

Yann Büchau

1d ago

Any #ffmpeg experts here? I want to do one simple thing: make certain colors transparent (then alphaextract to feed into tesseract #OCR). That's it. The colorkey filter is perfect, but it seems to be an absolute impossibility if you want more than one color transparent.