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Old 12-03-2010, 05:23 AM   #1
Registered: Oct 2007
Location: Prague, CZ
Distribution: RedHat / CentOS / Ubuntu / SUSE / Debian
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recordmydesktop records the desktop in fast mode

Hi, Im not sure how to explain myself, but I will try.

I tried to record my desktop with "recordmydesktop". It worked... did the job, but the video when I watch it, it's like in fast mode... everything in the video moves like 2x-3x times faster then how actually should be.

Also this happens if I use 15 frames/sec or 25 frames/sec.

Does anyone know why is this happening, or can give me a better tool for recording the desktop.

Tried already istanul, but doesn't really do it, it crashes when trying to save the video.

Any idea is welcomed

NOTE: I'm using Ubuntu 10.04 on 64bits, if it matters.

Old 12-03-2010, 01:23 PM   #2
Registered: Aug 2009
Location: Oregon, USA
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I've had this exact same problem, and turning off encoding on the fly seemed to restore the video's speed for me. However, I also got massive artifacts (think smearing) when I did it that way. Yours could be different, though.

If you're not afraid of the command line I'd suggest just doing this with ffmpeg:

ffmpeg -f x11grab -s <screen resolution here> -r <FPS here> -i :0.0 -vcodec libx264 -vpre lossless_ultrafast -threads <CPU cores here or 0 for autodetect> <output filename>.mkv
Just replace the sections in brackets with what applies to your machine, and it'll record a full-screen lossless video of your desktop (no sound though). You can then convert this to whatever you want.

Take a look at this site if you're interested in recording with sound/converting to different formats.

Old 12-03-2010, 02:32 PM   #3
Registered: Oct 2007
Location: Prague, CZ
Distribution: RedHat / CentOS / Ubuntu / SUSE / Debian
Posts: 747

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Thanks, but even if using ffmpeg, the video seems a bit fast. I mean Im trying to go slow, but ... still seems fast then normal speed.


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