Important: Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct
QtMultimedia (commercial license)
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Hi,
Does Qt commercial license allow me dont bother about any patent/royalty fee if I use in my application QtMultimedia with WMF backend for play/decode mp3 files?
And same question about video playback.
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Hi,
That's unrelated. QtMultimedia provides support for native multimedia backends and will be able to decode whatever said backend can.
The fact that you may have to use a non-free codec has nothing to do with regards to Qt's commercial license.
So no, it's still your own responsibility to properly pay for non-free codec that you may need.
Note that patents have a lifetime, see the MP3 Wikipedia article.
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Thanks for answer!