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Lazycut: A simple terminal video trimmer using FFmpeg

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Re: Lazycut: A simple terminal video trimmer using FFmpeg

#31

Post by tptacek »

sorenjan wrote: post #25
ramon156 wrote: post #23

Earlier quoted context omitted.

I don't find Sharing files with people very difficult, just login to your FTP and give an account to another user. - Person commenting on OneDrive

Missed opportunity to reference the famous Dropbox hn comment. I just think there are other closely related use cases where a separate program can add more value, especially in the terminal. I wouldn't suggest most people should use ffmpeg instead of a gui, those are too dissimilar. Another example is cutting out a part of a video, with ffmpeg you need to make two temporary videos and then concatenate them, that proc…

Point of order: the Dropbox HN comment is famously misconstrued. People think it was about Dropbox; it was about the Dropbox YC application, and was both well-intentioned and constructive.

Re: Lazycut: A simple terminal video trimmer using FFmpeg

#32

Post by gyan »

sorenjan wrote: post #25
ramon156 wrote: post #23

Earlier quoted context omitted.

I don't find Sharing files with people very difficult, just login to your FTP and give an account to another user. - Person commenting on OneDrive

Missed opportunity to reference the famous Dropbox hn comment. I just think there are other closely related use cases where a separate program can add more value, especially in the terminal. I wouldn't suggest most people should use ffmpeg instead of a gui, those are too dissimilar. Another example is cutting out a part of a video, with ffmpeg you need to make two temporary videos and then concatenate them, that proc…

> with ffmpeg you need to make two temporary videos and then concatenate them

It can be done in a single command, no temp files needed.

Re: Lazycut: A simple terminal video trimmer using FFmpeg

#33

Post by Acrobatic_Road »

Could have really used this a couple days ago. I had to record a video an assignment, but due to lack of global hotkeys on OBS with wayland, I had to start and stop the video on the OBS GUI. I tried to figure out ffmpeg but I was too tired and it was getting close to the deadline so I spent some time learning how to to do it with kdenlive.

Re: Lazycut: A simple terminal video trimmer using FFmpeg

#37

Post by bolangi »

sorenjan wrote: post #21

I don't find trimming videos with ffmpeg particularly difficult, is just-ss xx -to xx -c copy basically. Sure, you need to get those time stamps using a media player, but you probably already have one so that isn't really an issue. What I've found to be trickier is dividing a video into multiple clips, where one clip can start at the end of another, but not necessarily.

FWIW, here's a simple command line utility for joining and trimming the multiple video files produced by a video camera.

https://metacpan.org/dist/App-fftrim/view/script/fftrim

Re: Lazycut: A simple terminal video trimmer using FFmpeg

#38

Post by booi »

tptacek wrote: post #16

This is very cool. I built one of these myself around Christmas; Claude Code can put one together in just a couple prompts (this is also how I worked out how to have Claude test TUIs with tmux). What was striking about my finished product --- which is much less slick than this --- was how much of the heavy lifting was just working out which arguments to pass to ffmpeg. It's surprisingly handy to have something like t…

You can use AI to figure out the arguments to ffmpeg. But indeed it seems like there's just a single call to FFmpeg CLI to power the whole thing which is amazing.

  ffmpegCmd := exec.Command("ffmpeg",
    "-ss", fmt.Sprintf("%.3f", position.Seconds()),
    "-i", p.path,
    "-vf", strings.Join(filters, ","),
    "-vframes", "1",
    "-f", "image2pipe",
    "-vcodec", "bmp",
    "-loglevel", "error",
    "-",
  )

Re: Lazycut: A simple terminal video trimmer using FFmpeg

#39

Post by wonger_ »

mhuffman wrote: post #24

I have been using this one[0] and it is small, fast, and seems to work pretty great for me so far. [0] https://github.com/wong-justin/vic

Happy to hear! Some of my thoughts when building it:

- I haven't implemented audio support yet, but it would be nice

- I like --dry-run

- I didn't use a TUI widget library, but now it's at the point where it's tedious to refactor the UI / make it prettier

- I like OP's timeline widget

- Wanted to focus on static binaries. I got chafa static linking working for Linux, but haven't bundled ffmpeg yet

- which reminds me of licenses -- chafa and ffmpeg are LGPL iirc

- a couple other notes from early on: https://wonger.dev/posts/chafa-ffmpeg-progress

Re: Lazycut: A simple terminal video trimmer using FFmpeg

#40

Post by mikkupikku »

tptacek wrote: post #17
mikkupikku wrote: post #15

Earlier quoted context omitted.

mplayer, mpv and I think VLC can do it, with the right output driver settings (libcaca or a few other choices.)

You can just use ffmpeg to extract frames, and then just render the raw images with unicode blocks. (There's Kitty Graphics too, but I couldn't figure out how to make terminal UI layout work with it.)

I'd use ffmpeg to downscale the frames to the terminal size too. There are also various filters that could help quantizing the colors to what your terminal supports. The paletteuse filter will get you free dithering too.
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