configBitstreamParser: added filename getter

src/configBitstreamParser.hpp

@@ -23,6 +23,11 @@ class ConfigBitstreamParser {
 		const uint8_t *getData() const {return _bit_data.data();}
 		int getLength() {return _bit_length;}
 
+		/**
+		 * \brief return bitstream file name
+		 */
+		std::string getFilename() const {return _filename;}
+
 		/**
 		 * \brief display header informations
 		 */