[FFmpeg-user] ffvhuff mkv playback issues and odd coloured artefacts

Christoph Gerstbauer christophgerstbauer at gmail.com
Wed Mar 4 11:15:45 CET 2015


which -pix_fmt (pixelformat) does your recorded ffvhuff have? I cant see 
a syntax setting for the pixel format in your video.


Am 04.03.2015 um 03:46 schrieb Kai Hendry:
> Hi there,
> I wrote a simple ffmpeg based script to make screencasts
> https://github.com/kaihendry/recordmydesktop2.0/blob/master/x11capture
> It's worked well from my Thinkpad X220, but after switching to a new
> Thinkpad X1 Carbon 3 with a larger 1920x1080 screen, I'm having two
> issues that I've attempted to demonstrate in this screencast:
> http://r2d2.webconverger.org/2015-03-04/ffmpeg-problems.mp4
> So using ffmpeg 1:2.5.4-1 and mplayer 37353-1 from Archlinux, I'm now
> unable to playback the intermediate mkv files without stuttering.
> Mplayer's non-interleaved mode does not help. When I convert the mkv
> to mp4, playback works fine, but I need to often check the mkv file
> for problems before doing an expensive encode. So any tips for a
> better intermediate format? Ideally one that doesn't take up so much
> disk space! :)
> Next problem that I'm noticing, are these odd artifacts in my
> recording: http://s.natalian.org/2015-03-04/artifacts.png
> I'm not sure what this phenomenon is called. Or how to avoid it. Does
> anyone know?
> Many thanks!
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user

More information about the ffmpeg-user mailing list