Audio playback while recording

Hi,
You can run aplay -l to get what audio devices can be used. And set it in alsasink:

$ gst-launch-1.0 filesrc location=a.mp4 ! qtdemux ! avdec_aac ! audioconvert ! alsasink device="hw:2,0"

For simultaneous audio payback and recording, you can use tee plugin.

1 Like