[Libav-user] AVFilter modify parameters

Ronak ronak2121 at yahoo.com
Sun Nov 26 20:33:59 EET 2017


As I mentioned earlier, I'm trying to use the AVFilter libraries to build a graphical equalizer in an iOS app.

The user will have the ability to manipulate the equalizer settings while audio is playing back. However, I don't see an API on AVFilter so I can manipulate the gain settings.

Therefore, it feels like I would have to recreate an equalizer AVFilter and rebuild the graph.

Is that the recommended way to go about this?



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