On Tue, August 8, 2017 10:29 am, list wrote: > Sure i've already done an : > ffmpeg -f jack -ac 2 -i hw:1 -f x11grab -s 1920x1080 -r 25 -i :0.0 > nul.mp4 The input descriptor you used, "-i hw:1" is the format for describing ALSA device numbers. I will repeat my earlier admonition to read the ffmpeg man page to see how you connect jack ports to ffmpeg. https://www.ffmpeg.org/ffmpeg-devices.html#jack -- Chris Caudle _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
