FCD: added decimation and center frequency shift

plugins/samplesource/fcdproplus/fcdproplussettings.h

@@ -20,6 +20,12 @@
 #include <QString>
 
 struct FCDProPlusSettings {
+	typedef enum {
+		FC_POS_INFRA = 0,
+		FC_POS_SUPRA,
+		FC_POS_CENTER
+	} fcPos_t;
+
 	quint64 m_centerFrequency;
 	bool m_rangeLow;
 	bool m_lnaGain;
@@ -30,6 +36,7 @@ struct FCDProPlusSettings {
 	qint32 m_rfFilterIndex;
 	qint32 m_LOppmTenths;
 	quint32 m_log2Decim;
+	fcPos_t m_fcPos;
 	bool m_dcBlock;
 	bool m_iqImbalance;
     bool m_transverterMode;