On Sat, Mar 16, 2013 at 11:30 PM, Federico Bruni wrote: > Il 16/03/2013 23:12, Federico Bruni ha scritto: > >> I'm trying to figure out how to make a screencast using jack. >> I have a microphone connected to a firewire soundcard. >> >> I've already excluded recordmydesktop, at least for the audio track, >> because of this bug: >> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649824 >> >> "recordmydesktop: Specifying --use-jack makes recordmydesktop exit with >> a bad screen geometry" >> >> recordmydesktop works fine if run without --use-jack. I may use it for >> video only. What about audio? >> I'm trying jack_capture, which seems nice but I can't make it work: the >> .wav file generated is mute. >> >> Can you help me? >> >> Thanks > > > Actually jack_capture can record the "internal" audio, like Ardour playback. > The mic recording is not working. > I guess that it's a problem with ports... > > The thing is I need to record audio both from mic and from system (Ardour > playback). Use 'jack_capture -mc', then manually establish connections. (see 'jack_capture --advanced-options') http://apps.linuxaudio.org/wiki/screencasttutorial might also be helpful. The ffmpeg command will likely demand some love, for adapting its arguments to what suits your machine. best, d _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user