[DllImport("fccore")] public static extern fcMP4Context fcMP4OSCreateContext(ref fcMP4Config conf, string path);
[DllImport("FrameCapturer")] public static extern fcMP4Context fcMP4CreateContext(ref fcMP4Config conf);
[DllImport("fccore")] public static extern fcMP4Context fcMP4CreateContext(ref fcMP4Config conf);
public static extern fcMP4Context fcMP4CreateContext(ref fcMP4Config conf);