package mp4.util; import java.io.FilterInputStream; import java.io.InputStream; import java.util.List; public abstract class MP4Streamer extends FilterInputStream{ protected MP4Streamer(InputStream in) { super(in); // TODO Auto-generated constructor stub } public abstract long getSubDuration(); public abstract List<String> getFormats(); public abstract int getWidth(); public abstract int getHeight(); public abstract int getProfile(); public abstract int getProfileLevel(); }