[ELECTRON] bash CLI USB/FireWire webcam frame graber ~ VideoScript?

[Ben Rush]

Chris -

Kinodv/dvgrab looks like it might be a silver bullet - and while I do have
access to a Linux setup, I'm curious where you found a OS X distribution.
Fink/Ports don't seem to have dvgrab / kino and I've been googling for any
mention of success on Mac with out any joy. Now im not too fluent with Linux
so perhaps I'm just showing off my ignorance.

best - ben rush





2009/5/4 Christopher Orr <chris at orr.me.uk>

> On 3 May 2009, at 16:10, Ben Rush wrote:
>
>> Hello all -
>>
>> Looking for some advice or insight. I know the electron club is a diverse
>> group so fire away if any of you have any thoughts but perhaps someone may
>> know of an appropriate *nix forum for this as well? Google hasn't given me a
>> whole lot to play with.
>>
>> I'm trying to capture frame grabs from usb/fire wire web cams via a bash
>> script. So far I've run across this CLI app called VideoScript which looks
>> promising. I know I could use PD to do such a thing, but the rest of my work
>> flow is shaping up to be neatly wrapped up in one shell script.
>>
>
> I don't know if this is appropriate for the kind of camera you have, but
> you could try dvgrab from kinodv.org.
>
> The command line I've used (from a webcam-grabbing script that Simon wrote)
> is:
> sudo dvgrab --format jpeg --jpeg-overwrite --jpeg-width 360 --jpeg-height
> 288 --jpeg-deinterlace --every 75 <filename-prefix>
>
> That happily worked for me (in both OS X and Linux) to capture frames
> directly -- over Firewire -- from a DV video camera.
>
> Chris
>
>
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