[FFmpeg-user] Input from Usb Microphone

Nicolas George nicolas.george at normalesup.org
Mon Aug 6 21:41:52 CEST 2012


Le nonidi 19 thermidor, an CCXX, info at picaflor-azul.com a écrit :
> ffmpeg -f x11grab -r 30 -s 720x480 -i :0.0+10,100 -f alsa -ac 2 -i
> hw:0 -mbd 2 -trellis 2 -cmp 2 -subcmp 2 -g 100 -target ntsc-dvd
> -aspect 16:9 out.vob
> 
> Most of the other commands record nothing. (I think hw:0,0 records
> from the built-in microphone too.)

> card 1: Device [USB PnP Audio Device], device 0: USB Audio [USB Audio]

Did you try "hw:1"? If it does not work, please post the full console output
for it (but you can omit all the video-related options for testing).

Regards,

-- 
  Nicolas George
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