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

[Simon Yuill]

Hi Ben,

this might be what you need:

http://webcam-tools.sourceforge.net

best wishes
Si






Christopher Orr wrote:
> Hi Ben,
> 
> Sorry about that, I must have been mistaken.  I just looked for dvgrab
> in my OS X install, but couldn't see it.  I must have booted into my
> Ubuntu partition on my MacBook when I ran it.
> 
> Thinking about it, it's likely not particularly simple to get it running
> on OS X due to the hardware interfacing required.  Hopefully you can get
> things running on Linux though.  Sorry I can't suggest a Mac-based
> alternative.
> 
> Chris
> 
> 
> On 4 May 2009, at 12:44, Ben Rush wrote:
>> 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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