[MPlayer-users] Can't get mplayer -tv to play back audio input

Andy Furniss adf.lists at gmail.com
Sat Nov 2 18:50:21 CET 2013

Christian Jaeger wrote:
> I'm trying to play (and later on record, using mencoder (?)) video from a
> USB frame grabber device. The following shows video, but not audio. Why?
>    mplayer -tv 'device=/dev/video0:driver=v4l2:alsa:adevice=hw.0,0' -vf
> kerndeint tv://
> I've connected my audio to the builtin audio, hw:0,0, and can confirm that
>    arecord -r 48000 -D hw:0,0 -f S16_LE -c 2|aplay
> plays back the audio. So, what's missing for mplayer?
> IIRC mplayer shows a line that says "no audio".

It would be best if you could post the complete output of mplayer -v ....

FWIW years ago using mencoder this worked -


Of course it's also worth running alsamixer to set levels/unmute if needed.

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