/// <summary>
/// Code taken from Vlc.DotNet
/// </summary>
/// <param name="data"></param>
/// <param name="level"></param>
/// <param name="ctx"></param>
/// <param name="format"></param>
/// <param name="args"></param>
void OnLogInternal(IntPtr data, LogLevel level, IntPtr ctx, string format, IntPtr args)
{
if (_log == null)
{
return;
}
// Original source for va_list handling: https://stackoverflow.com/a/37629480/2663813
var byteLength = MarshalUtils.Vscprintf(format, args) + 1;
var utf8Buffer = Marshal.AllocHGlobal(byteLength);
string formattedDecodedMessage;
try
{
MarshalUtils.Vsprintf(utf8Buffer, format, args);
formattedDecodedMessage = (string)Utf8StringMarshaler.GetInstance().MarshalNativeToManaged(utf8Buffer);
}
finally
{
Marshal.FreeHGlobal(utf8Buffer);
}
GetLogContext(ctx, out var module, out var file, out var line);
// Do the notification on another thread, so that VLC is not interrupted by the logging
#if NET40
Task.Factory.StartNew(() => _log?.Invoke(NativeReference, new LogEventArgs(level, formattedDecodedMessage, module, file, line)));
#else
Task.Run(() => _log?.Invoke(NativeReference, new LogEventArgs(level, formattedDecodedMessage, module, file, line)));
#endif
}