humble-video-noarch/src/main/java/io/humble/ferry/Logger.java
public boolean log(String filename, int lineNo, Logger.Level level, String format) {
    return FerryJNI.Logger_log(swigCPtr, this, filename, lineNo, level.swigValue(), format);
  }
public boolean log(String filename, int lineNo, Logger.Level level, String format) {
    return FerryJNI.Logger_log(swigCPtr, this, filename, lineNo, level.swigValue(), format);
  }
Log the message to the logger, using sprintf() format<br>
strings.<br>
<br>
@param filename The filename that is logging, or NULL.<br>
@param lineNo The line number where this log statement is executed from.<br>
or 0.<br>
@param level Level to log at.<br>
@param format    A format specification string, in sprintf format.<br>
@return if the message was actually logged.