[PLUG-AV] DVSWITCH V4L Support

[Leon Wright]

Nifty. Seems more development of DVswitch is occurring than I thought.

Definitely should explore both options, you can get some pretty decent 720p
web cameras these days for not very much money.

Leon

--
DRM 'manages access' in the same way that jail 'manages freedom.'

# cat /dev/mem | strings | grep -i cats
Damn, my RAM is full of cats... MEOW!!


On Tue, Feb 4, 2014 at 1:10 AM, Jason Nicholls <jason at mindsocket.com.au>wrote:

> We'd have to test but perhaps the startup and setup time is reduced such
> that lag is minimized compared to the manual pipeline approach.
>
> We also need to test out Tim's method of using a custom gst pipeline which
> he says only introduces 2 frames of lag (~80ms) which sounds pretty good.
>
>
>
>
> On Mon, Feb 3, 2014 at 11:30 PM, Euan de Kock <euan at dekock.net> wrote:
>
>>  Just had a look at the git commits for dvswitch and spotted this comment
>> from 11-Jan-2014:
>>
>>  Implement a generic V4L2 dvsource
>>
>>         dvgrab can read from a device using video4linux, if that device supports
>>
>>     a DV output method. Many such devices do not.
>>
>>         This commit adds a "v4l2-raw" mode which calls avconv rather than
>>
>>     dvgrab; while requiring significantly more resources than dvgrab on the
>>
>>     dvsource host, this then allows for using any V4L2-supported device as
>>
>>     an input to dvswitch.
>>
>>
>> I haven't tested it yet to see wether it's more efficient than what we
>> are currently using, but at least it's native to dvswitch.
>>
>> FYI avconv is part of libav (which is a fork of ffmpeg afaik)
>>
>> Regards,
>>
>> Euan.
>>
>> _______________________________________________
>> AV mailing list
>> AV at plug.org.au
>> http://lists.plug.org.au/mailman/listinfo/av
>>
>>
>
>
> --
> Jason Nicholls
> jason at mindsocket.com.au
> 0430 314 857
>
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