[Ffmpeg-devel] Help-Could not find video grab device
Sat Mar 11 10:44:06 CET 2006
On Sat, 2006-03-11 at 00:17 -0800, LAKSHMI RAJAGOPAL wrote:
> I am having trouble in grabbing video using FFMPEG. I am using the video4linux for this. The webcam is Logitech Quickcam Pro 4000 and it works perfectly fine with xawtv & even gnomemeeting. The device is also listed in the dev folder as /dev/video0. But still i am getting the error "Could not find video grab device". Can you please help me.
> The audio grab is working fine when i used /dev/dsp.
> This is what i am using to grab the video.
> ffmpeg -vd /dev/video0 -y test.mpg
> Can anyone help me out???
Uhmmm... I am wondering why you sent the same message two times...
Anyway, in the previous email I failed to see that you are using a
webcam, and not a regular video capture card. There have recently been
some messages about webcam issues on the mailing list.
If you search the mailing list, you will find some patches that
hopefully fix your problem (anyway, you still have to specify "-s
<dimensions>" to grab some video).
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