On Windows, I saw that there are at least two media services in the Qt's plugins: dsengine (DirectShow) and wmfengine (Media Foundation) for playing videos (https://wiki.qt.io/Qt_5.5.0_Multimedia_Backends).
How can we know which media services backend being used? And how to specify the media service backend to use programmatically
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aviit
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Did you ever find a solution for this? I am having the same issue! – Luca Jan 21 '16 at 15:35
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Not yet. I skipped this. – aviit Jan 22 '16 at 02:24
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I know this is really old but the only way to change the backend is recompiling Qt with the ```-mediaplayer-backend wmf``` flag. At the moment (Qt 5.10.0) there is no way to switch backends programmatically. – jsmolka Apr 24 '18 at 09:01
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The only way I found to switch from ```dsengine``` to ```wmfengine``` is by removing ```dsengine```. – nulladdr Mar 01 '20 at 04:21