ATV demod: implement video inversion

plugins/channelrx/demodatv/atvdemod.cpp

@@ -95,7 +95,8 @@ void ATVDemod::configure(
         float fltVoltLevelSynchroTop,
         float fltVoltLevelSynchroBlack,
         bool blnHSync,
-        bool blnVSync)
+        bool blnVSync,
+        bool blnInvertVideo)
 {
     Message* msgCmd = MsgConfigureATVDemod::create(
             fltLineDurationUs,
@@ -105,7 +106,8 @@ void ATVDemod::configure(
             fltVoltLevelSynchroTop,
             fltVoltLevelSynchroBlack,
             blnHSync,
-            blnVSync);
+            blnVSync,
+            blnInvertVideo);
     objMessageQueue->push(msgCmd);
 }
 
@@ -371,6 +373,8 @@ void ATVDemod::demod(Complex& c)
         fltVal = 0.0f;
     }
 
+    fltVal = m_objRunning.m_blnInvertVideo ? 1.0f - fltVal : fltVal;
+
     m_fltAmpLineAverage += fltVal;
 
     //********** gray level **********

plugins/channelrx/demodatv/atvdemod.h

@@ -63,6 +63,7 @@ public:
 	    float m_fltVoltLevelSynchroBlack;
 	    bool m_blnHSync;
 	    bool m_blnVSync;
+	    bool m_blnInvertVideo;
 
 	    ATVConfig() :
 	        m_intSampleRate(0),
@@ -73,7 +74,8 @@ public:
 	        m_fltVoltLevelSynchroTop(0.0f),
 	        m_fltVoltLevelSynchroBlack(1.0f),
 	        m_blnHSync(false),
-	        m_blnVSync(false)
+	        m_blnVSync(false),
+	        m_blnInvertVideo(false)
 	    {
 	    }
 	};
@@ -132,7 +134,8 @@ public:
             float fltVoltLevelSynchroTop,
             float fltVoltLevelSynchroBlack,
             bool blnHSync,
-            bool blnVSync);
+            bool blnVSync,
+            bool blnInvertVideo);
 
     void configureRF(MessageQueue* objMessageQueue,
             ATVModulation enmModulation,
@@ -176,7 +179,8 @@ private:
                     float fltVoltLevelSynchroTop,
                     float fltVoltLevelSynchroBlack,
                     bool blnHSync,
-                    bool blnVSync)
+                    bool blnVSync,
+                    bool blnInvertVideo)
             {
                 return new MsgConfigureATVDemod(
                         fltLineDurationUs,
@@ -186,7 +190,8 @@ private:
                         fltVoltLevelSynchroTop,
                         fltVoltLevelSynchroBlack,
                         blnHSync,
-                        blnVSync);
+                        blnVSync,
+                        blnInvertVideo);
             }
 
             ATVConfig m_objMsgConfig;
@@ -200,7 +205,8 @@ private:
                     float fltVoltLevelSynchroTop,
                     float fltVoltLevelSynchroBlack,
                     bool blnHSync,
-                    bool blnVSync) :
+                    bool blnVSync,
+                    bool blnInvertVideo) :
                 Message()
             {
                 m_objMsgConfig.m_fltVoltLevelSynchroBlack = fltVoltLevelSynchroBlack;
@@ -211,6 +217,7 @@ private:
                 m_objMsgConfig.m_fltRatioOfRowsToDisplay = flatRatioOfRowsToDisplay;
                 m_objMsgConfig.m_blnHSync = blnHSync;
                 m_objMsgConfig.m_blnVSync = blnVSync;
+                m_objMsgConfig.m_blnInvertVideo = blnInvertVideo;
             }
     };
 

plugins/channelrx/demodatv/atvdemodgui.cpp

@@ -83,6 +83,14 @@ void ATVDemodGUI::resetToDefaults()
     ui->hSync->setChecked(true);
     ui->vSync->setChecked(true);
     ui->halfImage->setChecked(false);
+    ui->invertVideo->setChecked(false);
+
+    //********** RF Default values **********
+    ui->decimatorEnable->setChecked(false);
+    ui->rfFiltering->setChecked(false);
+    ui->rfBW->setValue(10);
+    ui->rfOppBW->setValue(10);
+    ui->bfo->setValue(0);
 
     blockApplySettings(false);
     applySettings();
@@ -106,6 +114,7 @@ QByteArray ATVDemodGUI::serialize() const
     s.writeS32(12, ui->rfBW->value());
     s.writeS32(13, ui->rfOppBW->value());
     s.writeS32(14, ui->bfo->value());
+    s.writeBool(15, ui->invertVideo->isChecked());
 
     return s.final();
 }
@@ -163,6 +172,8 @@ bool ATVDemodGUI::deserialize(const QByteArray& arrData)
         ui->rfOppBW->setValue(tmp);
         d.readS32(14, &tmp, 10);
         ui->bfo->setValue(tmp);
+        d.readBool(15, &booltmp, true);
+        ui->invertVideo->setChecked(booltmp);
 
         blockApplySettings(false);
         m_objChannelMarker.blockSignals(false);
@@ -322,7 +333,8 @@ void ATVDemodGUI::applySettings()
                 ui->synchLevel->value() / 1000.0f,
                 ui->blackLevel->value() / 1000.0f,
                 ui->hSync->isChecked(),
-                ui->vSync->isChecked());
+                ui->vSync->isChecked(),
+                ui->invertVideo->isChecked());
 
         qDebug() << "ATVDemodGUI::applySettings:"
                 << " m_objChannelizer.inputSampleRate: " << m_objChannelizer->getInputSampleRate()
@@ -466,6 +478,11 @@ void ATVDemodGUI::on_vSync_clicked()
     applySettings();
 }
 
+void ATVDemodGUI::on_invertVideo_clicked()
+{
+    applySettings();
+}
+
 void ATVDemodGUI::on_halfImage_clicked()
 {
     applySettings();

plugins/channelrx/demodatv/atvdemodgui.h

@@ -69,6 +69,7 @@ private slots:
     void on_topTime_valueChanged(int value);
     void on_hSync_clicked();
     void on_vSync_clicked();
+    void on_invertVideo_clicked();
     void on_halfImage_clicked();
     void on_modulation_currentIndexChanged(int index);
     void on_fps_currentIndexChanged(int index);

plugins/channelrx/demodatv/atvdemodgui.ui

@@ -494,6 +494,16 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QCheckBox" name="invertVideo">
+        <property name="toolTip">
+         <string>Toggle video inversion</string>
+        </property>
+        <property name="text">
+         <string>Inv</string>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QCheckBox" name="halfImage">
         <property name="toolTip">