[Ffmpeg-devel] Re: FFmpeg v4l grabbing

Planes Planes
Mon Dec 25 19:58:11 CET 2006

> Why does this command line:
> ffmpeg -ad /dev/dsp -ar 32000 -ab 224 -ac 2 -y -t pal-dvd -b 9000 -s
> 704x576 -vcodec mpeg2video -nr 50 -f mpeg test
> Give this output:

> Could not find audio grab device
> After trying to open "" (from strace) while I actually do supply the
> audio grab device?

this message may be old but i did stumble on it first in google so...

Just try to see if you have OSS support build into your ffmpeg compilation, it's
maybe the only problem.

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