Re: dvgrab for mac

On Mon, Jun 29, 2009 at 12:51 PM, Dan Dennedy<[email protected]> wrote:
> On Mon, Jun 29, 2009 at 7:33 AM, Carl Karsten<[email protected]> wrote:
>> Does anyone know what it would take to port dvgrab to the Mac?
>
> It would take _a lot_ of work because it so heavily uses libraw1394,
> libavc1394, and libiec61883 which is a completely different set of
> APIs than what is on OS X.
>
>> All I need is  -card N, read from dv cam, write to stdout.
>
> All you need, but not others. In my experience, if you make a partial
> or limited feature, you suddenly receive requests and bug reports to
> extend that to its fullest extent. As an example, you want to extend
> the FOSS "feature" that is dvgrab to OS X ;-)

rename it to dvpipe or route1394 so no one notices :)

>
>> This is so I can run DVswitch dvsource-dvgrab, which is really just:
>>
>> /* Connect to the mixer, set that as stdout, and run dvgrab. */
>> int sock = create_connected_socket(mixer_host, mixer_port);
>> if (dup2(sock, STDOUT_FILENO) < 0)
>> execvp("dvgrab", dvgrab_argv);
>>
>> So whatever it takes to do that on a mac, that's what I need.
>
> Alas, there is shared interest with the Kdenlive project, of which I
> am a part, because Kdenlive is ported to OS X now - naturally, with
> some problems to work out - and it would be nice to use its dvgrab
> integration on OS X. However, again, I am very busy, and with limited
> time. So, yes, this is on my ToDo list, but not near the top. It will
> likely come eventually from me, but it would be great if you can
> recruit someone else if you want it anytime in the next year.

Once again, thanks for your comments: I'll point Ben or Cosmin (the
dvswitch devs who will likely do the coding) in that direction, and
everyone will likely benefit.

-- 
Carl K

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