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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Linux video editing and Kdenlive tips and tricks for a returning user? (lemm.ee)

submitted 10 months ago by OR3X@lemm.ee to c/linux@lemmy.ml

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Just recently switched back to Linux after more than a decade away. (I'm currently running Mint Cinnamon if anyone is curious) On Windows I was using the free version of Davinci Resolve for all of my video editing. I quickly discovered that the free version of Resolve for Linux doesn't support H.264/H.265 so after trying every Linux video editor I could find (even Blender) I've settled on using Kdenlive. I've been having a good time getting everything dialed in and learning Kdenlive. I was able to get hardware acceleration working with my Nvidia GPU, and I really appreciated that it could natively utilize the proxy clips that my DJI Action 3 generates when recording. I've been reading all kinds of tips and tricks articles but most of it is just basic stuff. Anyone using Kdenlive have more advanced tips to share? Particularly anything around title generation and animation as I've found Kdenlive's system to be a little clunky. Let's talk!

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[–] vole@lemmy.world 4 points 10 months ago* (last edited 10 months ago) (6 children)

Completely tangential tip, but in the very-limited video editing I've done recently: I've used Davinci Resolve, rendered as .mov, and then used ffmpeg to render to my actual desired format. e.g. h264 w/ aac audio so I can upload to Youtube:

ffmpeg -i input.mov -c:v libopenh264 -profile:v high -c:a aac -pix_fmt yuv420p output.mp4

I do think that finding the right flags to pass to ffmpeg is a cursed art. Do I need to specify the video profile and the pix_fmt? I don't know; I thought I did when I adventured to collect these flags. Though maybe it's just a reflection of the video-codec horrors lurking within all video rendering pipelines.

edit: there may also be nvidia-accelerated encoders, like h264_nvenc, see ffmpeg -codecs 2>/dev/null | grep -i 'h\.264'. I'm not sure if the profile:v and pix_fmt options apply to other encoders or just libopenh264.

[–] OR3X@lemm.ee 3 points 10 months ago (1 children)

haha, yeah figuring out those ffmpeg flags is an absolute nightmare. My problem there isn't so much the output format from Resolve, but source format I'm using. My camera only has the option to record in H.264/H.265 (consumer grade, what can you expect?) which Resolve can't properly import on Linux. I could take the time to transcode them with ffmpeg before editing, but I'm usually working with ~2 hours worth of video per project and I don't really want to wait all day for a transcode job to finish before I can even begin editing. On top of that my camera (rather neatly) generates its own proxy files while recording, and I've found leveraging these is necessary for getting good timeline performance on my aging rig. Now I could let Resolve generate its own proxy clips like I have in the past, but that's more time waiting around before editing. I was SUPER stoked to see Kdenlive can natively utilize the proxy clips my camera generates.

[–] vole@lemmy.world 2 points 10 months ago

Oh wow, I didn't know (free) Davinci didn't support using H.264 as source media, that feels rather limited.

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