code: final JMFNativePart getEncodingMessage() {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) JmfTr.entry(this, tc, "getEncodingMessage");
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) JmfTr.exit(this, tc, "getEncodingMessage", encoding);
      return encoding;
    }
docs: Return the underlying encoding