[openlp-dev] Output displays

[Timothy Cooper]

I'm really not a dev, so take this with a grain of salt.

We've used powered splitters in the past when we needed a multiscreen
setup. It was quite simple to setup and maintain.

The only scenario I can picture needing multiple video outputs is if
they're different outputs showing, for example, lyrics and a video clip
simultaneously. And I've only ever seen that in churches of a few
thousands. I assume they have a budget and a paid staff etc, and I'm not
worried about OpenLP being perfect for them. ;)

No, I can't think of any real need to introduce that feature with all its
bugs and frustrations into OpenLP.

On Tue, Apr 9, 2019, 5:17 AM Philip Ridout <phill.ridout at gmail.com> wrote:

> 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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