/// <summary>Get media discoverer services by category</summary>
/// <param name="category">category of services to fetch</param>
/// <returns>the number of media discoverer services (0 on error)</returns>
/// <remarks>LibVLC 3.0.0 and later.</remarks>
public MediaDiscoverer.Description[] MediaDiscoverers(MediaDiscoverer.Category category)
{
var arrayResultPtr = IntPtr.Zero;
var count = Native.LibVLCMediaDiscovererListGet(NativeReference, category, ref arrayResultPtr);
#if NETSTANDARD1_1 || NET40
if (count == 0)
{
return(new MediaDiscoverer.Description[0]);
}
#else
if (count == 0)
{
return(Array.Empty <MediaDiscoverer.Description>());
}
#endif
var mediaDiscovererDescription = new MediaDiscoverer.Description[(int)count];
for (var i = 0; i < (int)count; i++)
{
var ptr = Marshal.ReadIntPtr(arrayResultPtr, i * IntPtr.Size);
var managedStruct = (MediaDiscoverer.Description)Marshal.PtrToStructure(ptr, typeof(MediaDiscoverer.Description));
mediaDiscovererDescription[i] = managedStruct;
}
Native.LibVLCMediaDiscovererListRelease(arrayResultPtr, count);
return(mediaDiscovererDescription);
}
internal static extern ulong LibVLCMediaDiscovererListGet(IntPtr libVLC, MediaDiscoverer.Category category, ref IntPtr pppServices);
