Re: [LAU] FFMPEG - Recording sound from jack

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@email-addr-hidden
https://lists.linuxaudio.org/listinfo/linux-audio-user