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CloseuserData | User data specified when the handler was set. The actual C type is void*. |
providerId | Id of the provider. See AudioSampleProvider.id. |
sampleFrameCount | Number of sample frames available or overflowed, depending on event type. |
Type that represents the native function pointer for handling sample frame events.
Sample frames events are AudioSampleProvider.sampleFramesAvailable and AudioSampleProvider.sampleFramesOverflow.
Importing such a function from a native plug-in would be done this way:
[DllImport(pluginName, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)] private static extern void SampleFramesAvailable(IntPtr userData, uint id, uint sampleFrameCount);