[openlp-dev] Output displays

[Tomas Groth]

Hi!

As you write, there have only been made preparations for adding support for
multiple display, it has not been added yet, so in some sense this is still
a hypothetical discussion.

And yes, if this is added, it will bring in new issues, though I'm not as
pessimistic as you, not yet at least.
As for external applications, VLC supports multiple outputs, PowerPoint and
Impress does not seem to support it.

A really great use case for multiple displays that a hardware splitter
can't do is displaying multiple languages. I know multiple languages are
not yet support by OpenLP, but I hope it will in the future.

Regarding stage view, I think it would be great if users could set up a
stage view display from OpenLPs screen/display settings.

BR,
Tomas

tir. 9. apr. 2019 11.17 skrev Philip Ridout <phill.ridout at gmail.com>:

> It has been brought to my attention that preparations have been made to
> allow multiple output displays in the future.
>
> There will be lots of complexities around external applications such as
> VLC, Impress and PowerPoint. Do these support multiple outputs?
>
> What about hardware resources? I think part of our strength as a free (as
> in beer) application, is that it can be used by anybody who can obtain a
> basic pc and display device, making a projection system affordable to many
> churches that could not afford to pay the licencing fees  of other
> applications alone. Having multiple output displays seems only something
> that would be usable on higher performing equipment with multi head
> graphics cards. A far cheaper option to achieve multiple (duplicate) output
> displays would be to use a VGA/HDMI splitter.
>
> With the exception of a seperate stage view, I fail to see a use case that
> will add value to OpenLP. I feel that it adds far to much complexity, to an
> area that we have struggled with in the past (phonon/WebKit/VLC video that
> didn't work all that well) taking away from our time to improve other areas
> of OpenLP.
>
> Are there any existing worship presentation applications that allow this
> functionality that I can look at for examples of how this might be used?
>
> Regards,
> Phill
>
>
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