@raoul Many thanks for your reply.
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Sorry, I am not fluent in english.
I need to clarify my request.<br>
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For this current topic "OpenLP support for NDI output" an easy workaround exists using NDI 4 Tools as mentioned above in the topic.
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My question about license compatibility came because I posted another post on this forum : "Feature request : video input"<br>
This is a feature that may help a lot churches that use projectors also for live video.
Projector is shared between OpenLP and other equipment or application.
Making OpenLP able to display video input will simplify a lot operation on projector.
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I am not expert on licensing.
I know, because I installed OBS studio and obs-ndi plugin for my church, that NewTek totally support integration of NDI in OBS Studio since several years.<br>
There are several pages related to OBS studio on NewTek site. For example https://www.newtek.com/blog/tips/configuring-ndi-v3-5-in-obs/.
There are also many posts, articles, videos of reference companies on web that provide information about this integration.<br>
To make NDI available in OBS studio it is necessary to install obs-ndi plugin (GPL license) and the NDI Tools application which is free (not opensource) and owned by NewTek.The NDI Tools package provides the NewTek NDI drivers.<br>
My understanding is that NDI Tools are protected and obs-ndi plugin is only the interface between OBS studio and NDI Tools.<br>
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Again I want to thank you making OpenLP a great tool for churches.
God bless you<br>