SSB demod plugin: added button to mute/unmute audio

plugins/channel/demodssb/ssbdemod.cpp

@@ -75,9 +75,10 @@ void SSBDemod::configure(MessageQueue* messageQueue,
 		int spanLog2,
 		bool audioBinaural,
 		bool audioFlipChannel,
-		bool dsb)
+		bool dsb,
+		bool audioMute)
 {
-	Message* cmd = MsgConfigureSSBDemod::create(Bandwidth, LowCutoff, volume, spanLog2, audioBinaural, audioFlipChannel, dsb);
+	Message* cmd = MsgConfigureSSBDemod::create(Bandwidth, LowCutoff, volume, spanLog2, audioBinaural, audioFlipChannel, dsb, audioMute);
 	messageQueue->push(cmd);
 }
 
@@ -143,6 +144,13 @@ void SSBDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
                 m_sum.imag(0.0);
 			}
 
+			if (m_audioMute)
+			{
+				m_audioBuffer[m_audioBufferFill].r = 0;
+				m_audioBuffer[m_audioBufferFill].l = 0;
+			}
+			else
+			{
 				if (m_audioBinaual)
 				{
 					if (m_audioFlipChannels)
@@ -163,6 +171,7 @@ void SSBDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
 					m_audioBuffer[m_audioBufferFill].l = sample;
 					m_audioBuffer[m_audioBufferFill].r = sample;
 				}
+			}
 
 			++m_audioBufferFill;
 
@@ -263,6 +272,7 @@ bool SSBDemod::handleMessage(const Message& cmd)
 		m_audioBinaual = cfg.getAudioBinaural();
 		m_audioFlipChannels = cfg.getAudioFlipChannels();
 		m_dsb = cfg.getDSB();
+		m_audioMute = cfg.getAudioMute();
 
 		m_settingsMutex.unlock();
 
@@ -272,7 +282,8 @@ bool SSBDemod::handleMessage(const Message& cmd)
 				<< " m_spanLog2: " << m_spanLog2
 				<< " m_audioBinaual: " << m_audioBinaual
 				<< " m_audioFlipChannels: " << m_audioFlipChannels
-				<< " m_dsb: " << m_dsb;
+				<< " m_dsb: " << m_dsb
+				<< "m_audioMute: " << m_audioMute;
 
 		return true;
 	}

plugins/channel/demodssb/ssbdemod.h

@@ -41,7 +41,8 @@ public:
 			int spanLog2,
 			bool audioBinaural,
 			bool audioFlipChannels,
-			bool dsb);
+			bool dsb,
+			bool audioMute);
 
 	virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
 	virtual void start();
@@ -62,6 +63,7 @@ private:
 		bool getAudioBinaural() const { return m_audioBinaural; }
 		bool getAudioFlipChannels() const { return m_audioFlipChannels; }
 		bool getDSB() const { return m_dsb; }
+		bool getAudioMute() const { return m_audioMute; }
 
 		static MsgConfigureSSBDemod* create(Real Bandwidth,
 				Real LowCutoff,
@@ -69,9 +71,10 @@ private:
 				int spanLog2,
 				bool audioBinaural,
 				bool audioFlipChannels,
-				bool dsb)
+				bool dsb,
+				bool audioMute)
 		{
-			return new MsgConfigureSSBDemod(Bandwidth, LowCutoff, volume, spanLog2, audioBinaural, audioFlipChannels, dsb);
+			return new MsgConfigureSSBDemod(Bandwidth, LowCutoff, volume, spanLog2, audioBinaural, audioFlipChannels, dsb, audioMute);
 		}
 
 	private:
@@ -82,6 +85,7 @@ private:
 		bool m_audioBinaural;
 		bool m_audioFlipChannels;
 		bool m_dsb;
+		bool m_audioMute;
 
 		MsgConfigureSSBDemod(Real Bandwidth,
 				Real LowCutoff,
@@ -89,7 +93,8 @@ private:
 				int spanLog2,
 				bool audioBinaural,
 				bool audioFlipChannels,
-				bool dsb) :
+				bool dsb,
+				bool audioMute) :
 			Message(),
 			m_Bandwidth(Bandwidth),
 			m_LowCutoff(LowCutoff),
@@ -97,7 +102,8 @@ private:
 			m_spanLog2(spanLog2),
 			m_audioBinaural(audioBinaural),
 			m_audioFlipChannels(audioFlipChannels),
-			m_dsb(dsb)
+			m_dsb(dsb),
+			m_audioMute(audioMute)
 		{ }
 	};
 
@@ -120,6 +126,7 @@ private:
 	bool m_audioFlipChannels;
 	bool m_usb;
 	bool m_dsb;
+	bool m_audioMute;
 	Real m_magsq;
 
 	NCO m_nco;

plugins/channel/demodssb/ssbdemodgui.cpp

@@ -281,6 +281,12 @@ void SSBDemodGUI::on_volume_valueChanged(int value)
 	applySettings();
 }
 
+void SSBDemodGUI::on_audioMute_toggled(bool checked)
+{
+	m_audioMute = checked;
+	applySettings();
+}
+
 void SSBDemodGUI::on_spanLog2_valueChanged(int value)
 {
 	if (setNewRate(value))
@@ -319,6 +325,7 @@ SSBDemodGUI::SSBDemodGUI(PluginAPI* pluginAPI, QWidget* parent) :
 	m_spanLog2(3),
 	m_audioBinaural(false),
 	m_audioFlipChannels(false),
+	m_audioMute(false),
 	m_dsb(false),
 	m_channelPowerDbAvg(20,0)
 {
@@ -461,7 +468,8 @@ void SSBDemodGUI::applySettings()
 			m_spanLog2,
 			m_audioBinaural,
 			m_audioFlipChannels,
-			m_dsb);
+			m_dsb,
+			ui->audioMute->isChecked());
 	}
 }
 

plugins/channel/demodssb/ssbdemodgui.h

@@ -46,6 +46,7 @@ private slots:
 	void on_BW_valueChanged(int value);
 	void on_lowCut_valueChanged(int value);
 	void on_volume_valueChanged(int value);
+	void on_audioMute_toggled(bool checked);
 	void on_spanLog2_valueChanged(int value);
 	void onWidgetRolled(QWidget* widget, bool rollDown);
 	void onMenuDoubleClicked();
@@ -62,6 +63,7 @@ private:
 	bool m_audioBinaural;
 	bool m_audioFlipChannels;
 	bool m_dsb;
+	bool m_audioMute;
 	MovingAverage<Real> m_channelPowerDbAvg;
 
 	ThreadedSampleSink* m_threadedChannelizer;

plugins/channel/demodssb/ssbdemodgui.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>302</width>
+    <width>334</width>
-    <height>461</height>
+    <height>199</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -398,6 +398,24 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QToolButton" name="audioMute">
+        <property name="toolTip">
+         <string>Mute/Unmute audio</string>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../../sdrbase/resources/res.qrc">
+          <normaloff>:/sound_on.png</normaloff>
+          <normalon>:/sound_off.png</normalon>:/sound_on.png</iconset>
+        </property>
+        <property name="checkable">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
      </layout>
     </item>
    </layout>