[FFmpeg-user] DeckLink Duo 2 duplex_mode doesn't work

[Rik Roukens]

Thanks for your reply Marton,

> Probably this can be worked around from software, so ffmpeg could be
smart
> enough to enable half duplex mode even if the specified input is the
> "slave" connector.

I agree, it feels like it should set the duplex mode by default when you
choose to output on DeckLink Duo (3) or (4).

> In any case, there is also the option of specifying the default duplex
> mode (and saving it) with the control panel application, or its linux
> counterpart. I believe in that case the duplex mode should simply work,
>because that becomes the default mode...

Thanks, I've considered installing a GUI just for that purpose, but I'd
really like to avoid that. If you have any good suggestion how to do the
above without installing ubuntu desktop, your advice is very welcome :)

Thanks again for your reply.

On Wed, Aug 7, 2019 at 8:59 PM Marton Balint <cus at passwd.hu> wrote:

>
>
> On Wed, 7 Aug 2019, Rik Roukens wrote:
>
> > Thanks for your response Mustafa, the cards are definitely capable of it,
> > as I've done it in windows.
> > perhaps you need to set the duplex mode on 1 and 2, which then opens up
> sdi
> > 3&4 to be individually programmed.
>
> Yeah, I think that is how I use all 4 inputs right now.
>
> I wonder if this changes if you compile against 11.x SDK, since they
> changed how the duplex mode is set up.
>
> Probably this can be worked around from software, so ffmpeg could be smart
> enough to enable half duplex mode even if the specified input is the
> "slave" connector.
>
> In any case, there is also the option of specifying the default duplex
> mode (and saving it) with the control panel application, or its linux
> counterpart. I believe in that case the duplex mode should simply work,
> because that becomes the default mode...
>
> Regards,
> Marton
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