Re: dvgrab wait for device

Carl Karsten <[email protected]>
Newsgroups gmane.comp.video.kino.devel
Message-ID <[email protected]>
On Mon, Jun 29, 2009 at 12:41 PM, Dan Dennedy<[email protected]> wrote:
> On Mon, Jun 29, 2009 at 7:35 AM, Carl Karsten<[email protected]> wrote:
>> if there is no device when dvgrab is first run, it aborts.  Yet if it
>> is streaming I can unplug the device and plug it back in, and the
>> stream continues.  If there were some way to get dvgrab to just wait
>> for a device, that would be great.  Or if someone can replace the
>> execvp(dvgrab with the C code from dvgrab... then I can take that off
>> my list of things to look into :)
>
> Hmm, well, there can be multiple Firewire buses on your system, and
> dvgrab looks for a device across all the buses to see which bus to
> use, which is required to acquire a  libraw1394 handle. You would have
> to add some loop around that with a limited retry.

Would it help if this was limited to being told what -card was in use?
 or guid, or something to avoid the scan?

> I am rather busy at
> the moment, and must put this on my rather long todo list unless
> someone else comes up with a patch.

No prob - Just getting your advice is appreciated.

-- 
Carl K

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