If you would have x11grab enabled, you could grab the screen: ffmpeg -f x11grab -r 50 -s 928x704 -i :0.0 -pix_fmt yuv422p -vcodec huffyuv capture.avi
Then you can zoom into the video. Open with VLC, then "full screen". Very interesting. On Mon, Jun 22, 2009 at 6:45 PM, Nicolas Krieger <[email protected]> wrote: > 2009/6/22 Igor Chernenko <[email protected]> > > > Hi Nicolas! > > > > Do your have things this "-f x11grab" in your ffmpeg? > > > > Best, > > Igor > > > > > > > > > > I realize that I didn't told you that I am not using latest version of > > > ffmpeg and I have just seen that ALSA support has been added in version > > > 0.5... > > > I can't change the version of ffmpeg I am using. But I have already > done > > > some updates in my code for playing, and I don't think it will be > > difficult > > > to update for grabbing. > > > > > > Thanks > > > > > > Nicolas Krieger > > > > I have not enabled this option when configuring ffmpeg. > > I have made a copy of the wanted files (alsa-audio-enc.c, alsa-audio-dec.c, > alsa-audio-common, alsa-audio.h) in my version of ffmpeg in libavdevice. I > have made some modification so as to compil. > > But I have forgotten to do something because, I can't find the format using > guess_format("alsa", NULL, NULL). > I have also made modifications in libavdevice/Makefile, > libavdevice/alldevices.c and configure. > > Nicolas Krieger > _______________________________________________ > libav-user mailing list > [email protected] > https://lists.mplayerhq.hu/mailman/listinfo/libav-user > _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
