DATV demodulator: improvements

plugins/channelrx/demoddatv/datvconstellation.h

@@ -31,31 +31,24 @@ static const int DEFAULT_GUI_DECIMATION = 64;
 
 template<typename T> struct datvconstellation: runnable
 {
-    T xymin;
+    T xymin, xymax;
-    T xymax;
     unsigned long decimation;
     unsigned long pixels_per_frame;
     cstln_lut<256> **cstln;  // Optional ptr to optional constellation
+    DATVScreen *m_objDATVScreen;
     pipereader<complex<T> > in;
     unsigned long phase;
-    DATVScreen *m_objDATVScreen;
 
-    datvconstellation(
+    datvconstellation(scheduler *sch, pipebuf<complex<T> > &_in, T _xymin, T _xymax, const char *_name = NULL, DATVScreen * objDATVScreen = NULL) :
-            scheduler *sch,
-            pipebuf<complex<T> > &_in,
-            T _xymin,
-            T _xymax,
-            const char *_name = 0,
-            DATVScreen * objDATVScreen = 0) :
             runnable(sch, _name ? _name : _in.name),
             xymin(_xymin),
             xymax(_xymax),
             decimation(DEFAULT_GUI_DECIMATION),
             pixels_per_frame(1024),
-        cstln(0),
+            cstln(NULL),
+            m_objDATVScreen(objDATVScreen),
             in(_in),
-        phase(0),
+            phase(0)
-        m_objDATVScreen(objDATVScreen)
     {
     }
 
@@ -76,11 +69,8 @@ template<typename T> struct datvconstellation: runnable
                     if (m_objDATVScreen != NULL)
                     {
 
-                        m_objDATVScreen->selectRow(
+                        m_objDATVScreen->selectRow(256 * (p->re - xymin) / (xymax - xymin));
-                                256 * (p->re - xymin) / (xymax - xymin));
+                        m_objDATVScreen->setDataColor(256 - 256 * ((p->im - xymin) / (xymax - xymin)), 255, 0, 255);
-                        m_objDATVScreen->setDataColor(
-                                256 - 256 * ((p->im - xymin) / (xymax - xymin)),
-                                255, 0, 255);
                     }
 
                 }
@@ -106,7 +96,6 @@ template<typename T> struct datvconstellation: runnable
                 }
 
                 m_objDATVScreen->renderImage(NULL);
-
             }
 
             in.read(pixels_per_frame);
@@ -118,15 +107,8 @@ template<typename T> struct datvconstellation: runnable
         }
     }
 
-    //private:
-    //gfx g;
-
     void draw_begin()
     {
-        //g.clear();
-        //g.setfg(0, 255, 0);
-        //g.line(g.w/2,0, g.w/2, g.h);
-        //g.line(0,g.h/2, g.w,g.h/2);
     }
 
 };

plugins/channelrx/demoddatv/datvdemod.h

@@ -68,24 +68,11 @@ class DownChannelizer;
 
 using namespace leansdr;
 
-enum DATVModulation
+enum DATVModulation { BPSK, QPSK, PSK8, APSK16, APSK32, APSK64E, QAM16, QAM64, QAM256 };
-{
+enum dvb_version { DVB_S, DVB_S2 };
-    BPSK, QPSK, PSK8, APSK16, APSK32, APSK64E, QAM16, QAM64, QAM256
+enum dvb_sampler { SAMP_NEAREST, SAMP_LINEAR, SAMP_RRC };
-};
-enum dvb_version
-{
-    DVB_S, DVB_S2
-};
-enum dvb_sampler
-{
-    SAMP_NEAREST, SAMP_LINEAR, SAMP_RRC
-};
 
-inline int decimation(float Fin, float Fout)
+inline int decimation(float Fin, float Fout) { int d = Fin / Fout; return max(d, 1); }
-{
-    int d = Fin / Fout;
-    return max(d, 1);
-}
 
 struct config
 {
@@ -144,6 +131,7 @@ struct config
   }
 };
 
+
 struct DATVConfig
 {
     int intMsps;
@@ -157,10 +145,11 @@ struct DATVConfig
     int intNotchFilters;
     bool blnAllowDrift;
     bool blnFastLock;
-    bool blnHDLC;
+    dvb_sampler enmFilter;
     bool blnHardMetric;
-    bool blnResample;
+    float fltRollOff;
     bool blnViterbi;
+    int intExcursion;
 
     DATVConfig() :
         intMsps(1024000),
@@ -174,71 +163,32 @@ struct DATVConfig
         intNotchFilters(1),
         blnAllowDrift(false),
         blnFastLock(false),
-            blnHDLC(false),
+        enmFilter(SAMP_LINEAR),
         blnHardMetric(false),
-            blnResample(false),
+        fltRollOff(0.35),
-            blnViterbi(false)
+        blnViterbi(false),
+        intExcursion(10)
     {
     }
 };
 
-class DATVDemod: public BasebandSampleSink, public ChannelSinkAPI
+
+class DATVDemod : public BasebandSampleSink, public ChannelSinkAPI
 {
-Q_OBJECT
+	Q_OBJECT
 
 public:
-    class MsgConfigureChannelizer: public Message
-    {
-    MESSAGE_CLASS_DECLARATION
-
-    public:
-        int getCenterFrequency() const
-        {
-            return m_centerFrequency;
-        }
-
-        static MsgConfigureChannelizer* create(int centerFrequency)
-        {
-            return new MsgConfigureChannelizer(centerFrequency);
-        }
-
-    private:
-        int m_centerFrequency;
-
-        MsgConfigureChannelizer(int centerFrequency) :
-                Message(), m_centerFrequency(centerFrequency)
-        {
-        }
-    };
 
     DATVDemod(DeviceSourceAPI *);
     ~DATVDemod();
 
-    virtual void destroy()
+    virtual void destroy() { delete this; }
-    {
+    virtual void getIdentifier(QString& id) { id = objectName(); }
-        delete this;
+    virtual void getTitle(QString& title) { title = objectName(); }
-    }
+    virtual qint64 getCenterFrequency() const { return m_objRunning.intCenterFrequency; }
-    virtual void getIdentifier(QString& id)
-    {
-        id = objectName();
-    }
-    virtual void getTitle(QString& title)
-    {
-        title = objectName();
-    }
-    virtual qint64 getCenterFrequency() const
-    {
-        return m_objRunning.intCenterFrequency;
-    }
 
-    virtual QByteArray serialize() const
+    virtual QByteArray serialize() const { return QByteArray(); }
-    {
+    virtual bool deserialize(const QByteArray& data __attribute__((unused))) { return false; }
-        return QByteArray();
-    }
-    virtual bool deserialize(const QByteArray& data __attribute__((unused)))
-    {
-        return false;
-    }
 
     void configure(
         MessageQueue* objMessageQueue,
@@ -251,13 +201,13 @@ public:
         int intNotchFilters,
         bool blnAllowDrift,
         bool blnFastLock,
-            bool blnHDLC,
+        dvb_sampler enmFilter,
         bool blnHardMetric,
-            bool blnResample,
+        float fltRollOff,
-            bool blnViterbi);
+        bool blnViterbi,
+        int intfltExcursion);
 
-    virtual void feed(const SampleVector::const_iterator& begin,
+	virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool po);
-            const SampleVector::const_iterator& end, bool po);
 	virtual void start();
 	virtual void stop();
 	virtual bool handleMessage(const Message& cmd);
@@ -279,20 +229,46 @@ public:
         int intNotchFilters,
         bool blnAllowDrift,
         bool blnFastLock,
-            bool blnHDLC,
+        dvb_sampler enmFilter,
         bool blnHardMetric,
-            bool blnResample,
+        float fltRollOff,
-            bool blnViterbi);
+        bool blnViterbi,
+        int intEExcursion);
 
-    void CleanUpDATVFramework();
+    void CleanUpDATVFramework(bool blnRelease);
     int GetSampleRate();
     void InitDATVFramework();
 
     static const QString m_channelIdURI;
     static const QString m_channelId;
 
+
+    class MsgConfigureChannelizer : public Message
+    {
+        MESSAGE_CLASS_DECLARATION
+
+        public:
+            int getCenterFrequency() const { return m_centerFrequency; }
+
+            static MsgConfigureChannelizer* create(int centerFrequency)
+            {
+                return new MsgConfigureChannelizer(centerFrequency);
+            }
+
+        private:
+            int m_centerFrequency;
+
+            MsgConfigureChannelizer(int centerFrequency) :
+            Message(),
+            m_centerFrequency(centerFrequency)
+            { }
+    };
+
+private slots:
+    void channelSampleRateChanged();
+
 private:
-    class MsgConfigureDATVDemod: public Message
+    class MsgConfigureDATVDemod : public Message
     {
         MESSAGE_CLASS_DECLARATION
 
@@ -307,25 +283,13 @@ private:
                 int intNotchFilters,
                 bool blnAllowDrift,
                 bool blnFastLock,
-                bool blnHDLC,
+                dvb_sampler enmFilter,
                 bool blnHardMetric,
-                bool blnResample,
+                float fltRollOff,
-                bool blnViterbi)
+                bool blnViterbi,
+                int intExcursion)
             {
-            return new MsgConfigureDATVDemod(
+                return new MsgConfigureDATVDemod(intRFBandwidth,intCenterFrequency,enmStandard, enmModulation, enmFEC, intSymbolRate, intNotchFilters, blnAllowDrift,blnFastLock,enmFilter,blnHardMetric,fltRollOff, blnViterbi, intExcursion);
-                    intRFBandwidth,
-                    intCenterFrequency,
-                    enmStandard,
-                    enmModulation,
-                    enmFEC,
-                    intSymbolRate,
-                    intNotchFilters,
-                    blnAllowDrift,
-                    blnFastLock,
-                    blnHDLC,
-                    blnHardMetric,
-                    blnResample,
-                    blnViterbi);
             }
 
             DATVConfig m_objMsgConfig;
@@ -341,10 +305,11 @@ private:
                     int intNotchFilters,
                     bool blnAllowDrift,
                     bool blnFastLock,
-                bool blnHDLC,
+                    dvb_sampler enmFilter,
                     bool blnHardMetric,
-                bool blnResample,
+                    float fltRollOff,
-                bool blnViterbi) :
+                    bool blnViterbi,
+                    int intExcursion) :
                 Message()
             {
                 m_objMsgConfig.intRFBandwidth = intRFBandwidth;
@@ -356,10 +321,11 @@ private:
                 m_objMsgConfig.intNotchFilters = intNotchFilters;
                 m_objMsgConfig.blnAllowDrift = blnAllowDrift;
                 m_objMsgConfig.blnFastLock = blnFastLock;
-            m_objMsgConfig.blnHDLC = blnHDLC;
+                m_objMsgConfig.enmFilter= enmFilter;
                 m_objMsgConfig.blnHardMetric = blnHardMetric;
-            m_objMsgConfig.blnResample = blnResample;
+                m_objMsgConfig.fltRollOff = fltRollOff;
                 m_objMsgConfig.blnViterbi = blnViterbi;
+                m_objMsgConfig.intExcursion = intExcursion;
             }
     };
 
@@ -403,7 +369,7 @@ private:
     cnr_fft<f32> *r_cnr;
 
     //FILTERING
-    fir_filter<cf32, float> *r_resample;
+    fir_filter<cf32,float> *r_resample;
     pipebuf<cf32> *p_resampled;
     float *coeffs;
     int ncoeffs;
@@ -442,17 +408,18 @@ private:
     pipebuf<u8> *p_mpegbytes;
     pipebuf<int> *p_lock;
     pipebuf<u32> *p_locktime;
-    mpeg_sync<u8, 0> *r_sync_mpeg;
+    mpeg_sync<u8,0> *r_sync_mpeg;
+
 
     // DEINTERLEAVING
-    pipebuf<rspacket<u8> > *p_rspackets;
+    pipebuf< rspacket<u8> > *p_rspackets;
     deinterleaver<u8> *r_deinter;
 
     // REED-SOLOMON
     pipebuf<int> *p_vbitcount;
     pipebuf<int> *p_verrcount;
     pipebuf<tspacket> *p_rtspackets;
-    rs_decoder<u8, 0> *r_rsdec;
+    rs_decoder<u8,0> *r_rsdec;
 
     // BER ESTIMATION
     pipebuf<float> *p_vber;
@@ -462,6 +429,7 @@ private:
     pipebuf<tspacket> *p_tspackets;
     derandomizer *r_derand;
 
+
     //OUTPUT
     file_writer<tspacket> *r_stdout;
     datvvideoplayer<tspacket> *r_videoplayer;
@@ -485,6 +453,7 @@ private:
 
     bool m_blnInitialized;
     bool m_blnRenderingVideo;
+    bool m_blnStartStopVideo;
 
     DATVModulation m_enmModulation;
 
@@ -495,9 +464,6 @@ private:
     QMutex m_objSettingsMutex;
 
     void ApplySettings();
-
-private slots:
-    void channelSampleRateChanged();
 };
 
 #endif // INCLUDE_DATVDEMOD_H

plugins/channelrx/demoddatv/datvdemodgui.cpp

@@ -78,14 +78,14 @@ void DATVDemodGUI::resetToDefaults()
 
     ui->chkAllowDrift->setChecked(false);
     ui->chkFastlock->setChecked(true);
-    ui->chkHDLC->setChecked(false);
     ui->chkHardMetric->setChecked(false);
-    ui->chkResample->setChecked(false);
     ui->chkViterbi->setChecked(false);
 
     ui->cmbFEC->setCurrentIndex(0);
     ui->cmbModulation->setCurrentIndex(0);
     ui->cmbStandard->setCurrentIndex(0);
+    ui->cmbFilter->setCurrentIndex(0);
+    displayRRCParameters(false);
 
     ui->spiNotchFilters->setValue(1);
     ui->prgSynchro->setValue(0);
@@ -94,6 +94,9 @@ void DATVDemodGUI::resetToDefaults()
 
     ui->spiBandwidth->setValue(512000);
     ui->spiSymbolRate->setValue(250000);
+    ui->spiRollOff->setValue(35);
+    ui->spiExcursion->setValue(10);
+
 
     blockApplySettings(false);
 
@@ -109,9 +112,9 @@ QByteArray DATVDemodGUI::serialize() const
 
     s.writeBool(3, ui->chkAllowDrift->isChecked());
     s.writeBool(4, ui->chkFastlock->isChecked());
-    s.writeBool(5, ui->chkHDLC->isChecked());
+    s.writeS32(5, ui->cmbFilter->currentIndex());
     s.writeBool(6, ui->chkHardMetric->isChecked());
-    s.writeBool(7, ui->chkResample->isChecked());
+    s.writeS32(7, ui->spiRollOff->value());
     s.writeBool(8, ui->chkViterbi->isChecked());
 
     s.writeS32(9, ui->cmbFEC->currentIndex());
@@ -121,6 +124,7 @@ QByteArray DATVDemodGUI::serialize() const
     s.writeS32(12, ui->spiNotchFilters->value());
     s.writeS32(13, ui->spiBandwidth->value());
     s.writeS32(14, ui->spiSymbolRate->value());
+    s.writeS32(15, ui->spiExcursion->value());
 
     return s.final();
 }
@@ -163,14 +167,16 @@ bool DATVDemodGUI::deserialize(const QByteArray& arrData)
         d.readBool(4, &booltmp, false);
         ui->chkFastlock->setChecked(booltmp);
 
-        d.readBool(5, &booltmp, false);
+        d.readS32(5, &tmp, false);
-        ui->chkHDLC->setChecked(booltmp);
+        ui->cmbFilter->setCurrentIndex(tmp);
+
+        displayRRCParameters((tmp==2));
 
         d.readBool(6, &booltmp, false);
         ui->chkHardMetric->setChecked(booltmp);
 
-        d.readBool(7, &booltmp, false);
+        d.readS32(7, &tmp, false);
-        ui->chkResample->setChecked(booltmp);
+        ui->spiRollOff->setValue(tmp);
 
         d.readBool(8, &booltmp, false);
         ui->chkViterbi->setChecked(booltmp);
@@ -194,6 +200,9 @@ bool DATVDemodGUI::deserialize(const QByteArray& arrData)
         d.readS32(14, &tmp, 250000);
         ui->spiSymbolRate->setValue(tmp);
 
+        d.readS32(15, &tmp, false);
+        ui->spiExcursion->setValue(tmp);
+
 
         blockApplySettings(false);
         m_objChannelMarker.blockSignals(false);
@@ -227,11 +236,6 @@ void DATVDemodGUI::channelMarkerHighlightedByCursor()
     setHighlighted(m_objChannelMarker.getHighlighted());
 }
 
-void DATVDemodGUI::channelSampleRateChanged()
-{
-    qDebug("DATVDemodGUI::channelSampleRateChanged");
-    applySettings();
-}
 
 void DATVDemodGUI::onWidgetRolled(QWidget* widget __attribute__((unused)), bool rollDown __attribute__((unused)))
 {
@@ -239,14 +243,6 @@ void DATVDemodGUI::onWidgetRolled(QWidget* widget __attribute__((unused)), bool
 
 void DATVDemodGUI::onMenuDoubleClicked()
 {
-    /*
-    if (!m_blnBasicSettingsShown)
-    {
-        m_blnBasicSettingsShown = true;
-        BasicChannelSettingsWidget* bcsw = new BasicChannelSettingsWidget(&m_objChannelMarker, this);
-        bcsw->show();
-    }
-    */
 }
 
 //DATVDemodGUI::DATVDemodGUI(PluginAPI* objPluginAPI, DeviceSourceAPI *objDeviceAPI, QWidget* objParent) :
@@ -262,9 +258,7 @@ DATVDemodGUI::DATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, Ba
     ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
-    //connect(this, SIGNAL(menuDoubleClickEvent()), this, SLOT(onMenuDoubleClicked()));
 
-    //m_objDATVDemod = new DATVDemod();
     m_objDATVDemod = (DATVDemod*) rxChannel;
     m_objDATVDemod->setMessageQueueToGUI(getInputMessageQueue());
 
@@ -272,12 +266,7 @@ DATVDemodGUI::DATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, Ba
 
     connect(m_objDATVDemod->SetVideoRender(ui->screenTV_2),&DATVideostream::onDataPackets,this,&DATVDemodGUI::on_StreamDataAvailable);
 
-
+    connect(ui->screenTV_2,&DATVideoRender::onMetaDataChanged,this,&DATVDemodGUI::on_StreamMetaDataChanged);
-    //connect(m_objChannelizer, SIGNAL(inputSampleRateChanged()), this, SLOT(channelSampleRateChanged()));
-
-
-    //m_objPluginAPI->addThreadedSink(m_objThreadedChannelizer);
-    //connect(&m_objPluginAPI->getMainWindow()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick())); // 50 ms
 
     m_intPreviousDecodedData=0;
     m_intLastDecodedData=0;
@@ -295,7 +284,6 @@ DATVDemodGUI::DATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, Ba
     m_objChannelMarker.setCenterFrequency(0);
     m_objChannelMarker.blockSignals(false);
     m_objChannelMarker.setVisible(true);
-    //connect(&m_objChannelMarker, SIGNAL(changed()), this, SLOT(viewChanged()));
 
     connect(&m_objChannelMarker, SIGNAL(changedByCursor()), this, SLOT(channelMarkerChangedByCursor()));
     connect(&m_objChannelMarker, SIGNAL(highlightedByCursor()), this, SLOT(channelMarkerHighlightedByCursor()));
@@ -304,8 +292,6 @@ DATVDemodGUI::DATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, Ba
     m_deviceUISet->addChannelMarker(&m_objChannelMarker);
     m_deviceUISet->addRollupWidget(this);
 
-    //ui->screenTV->connectTimer(m_objPluginAPI->getMainWindow()->getMasterTimer());
-
     ui->pushButton_3->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
 
     resetToDefaults(); // does applySettings()
@@ -335,22 +321,18 @@ void DATVDemodGUI::applySettings()
     DATVModulation enmSelectedModulation;
     dvb_version enmVersion;
     code_rate enmFEC;
+    dvb_sampler enmSampler;
 
     if (m_blnDoApplySettings)
     {
-
-
         DATVDemod::MsgConfigureChannelizer *msgChan = DATVDemod::MsgConfigureChannelizer::create(m_objChannelMarker.getCenterFrequency());
         m_objDATVDemod->getInputMessageQueue()->push(msgChan);
 
         //Bandwidth and  center frequency
         m_objChannelMarker.setBandwidth(ui->spiBandwidth->value());
-        //m_objChannelizer->configure(m_objChannelizer->getInputMessageQueue(), m_objChannelizer->getInputSampleRate(), m_objChannelMarker.getCenterFrequency());
 
         setTitleColor(m_objChannelMarker.getColor());
 
-        //DATV parameters: cmbStandard  cmbModulation cmbFEC spiBandwidth spiSymbolRate spiNotchFilters chkAllowDrift chkFastlock chkHDLC chkHardMetric chkResample chkViterbi
-
         strStandard = ui->cmbStandard->currentText();
 
         if(strStandard=="DVB-S")
@@ -412,6 +394,12 @@ void DATVDemodGUI::applySettings()
             enmSelectedModulation=BPSK;
         }
 
+        //Viterbi only for BPSK et QPSK
+        if((enmSelectedModulation!=BPSK) && (enmSelectedModulation!=QPSK))
+        {
+            ui->chkViterbi->setChecked(false);
+        }
+
 
         strFEC = ui->cmbFEC->currentText();
 
@@ -452,8 +440,22 @@ void DATVDemodGUI::applySettings()
             enmFEC=FEC12;
         }
 
+        if (ui->cmbFilter->currentIndex()==0)
+        {
+            enmSampler = SAMP_LINEAR;
+        }
+        else if(ui->cmbFilter->currentIndex()==1)
+        {
+            enmSampler = SAMP_NEAREST;
+        }
+        else
+        {
+            enmSampler = SAMP_RRC;
+        }
 
-        m_objDATVDemod->configure(m_objDATVDemod->getInputMessageQueue(),
+
+        m_objDATVDemod->configure(
+            m_objDATVDemod->getInputMessageQueue(),
             m_objChannelMarker.getBandwidth(),
             m_objChannelMarker.getCenterFrequency(),
             enmVersion,
@@ -463,10 +465,11 @@ void DATVDemodGUI::applySettings()
             ui->spiNotchFilters->value(),
             ui->chkAllowDrift->isChecked(),
             ui->chkFastlock->isChecked(),
-                                  ui->chkHDLC->isChecked(),
+            enmSampler,
             ui->chkHardMetric->isChecked(),
-                                  ui->chkResample->isChecked(),
+            ((float)ui->spiRollOff->value())/100.0f,
-                                  ui->chkViterbi->isChecked());
+            ui->chkViterbi->isChecked(),
+            ui->spiExcursion->value());
 
         qDebug() << "DATVDemodGUI::applySettings:"
                 << " .inputSampleRate: " << 0  /*m_objChannelizer->getInputSampleRate()*/
@@ -622,25 +625,11 @@ void DATVDemodGUI::on_chkHardMetric_clicked()
     applySettings();
 }
 
-/*
-void DATVDemodGUI::on_pushButton_clicked()
-{
-    applySettings();
-}
-*/
-
 void DATVDemodGUI::on_pushButton_2_clicked()
 {
     resetToDefaults();
 }
 
-/*
-void DATVDemodGUI::on_spiSampleRate_valueChanged(int arg1)
-{
-    applySettings();
-}
-*/
-
 void DATVDemodGUI::on_spiSymbolRate_valueChanged(int arg1 __attribute__((unused)))
 {
     applySettings();
@@ -651,21 +640,11 @@ void DATVDemodGUI::on_spiNotchFilters_valueChanged(int arg1 __attribute__((unuse
     applySettings();
 }
 
-void DATVDemodGUI::on_chkHDLC_clicked()
-{
-     applySettings();
-}
-
 void DATVDemodGUI::on_chkAllowDrift_clicked()
 {
      applySettings();
 }
 
-void DATVDemodGUI::on_chkResample_clicked()
-{
-     applySettings();
-}
-
 void DATVDemodGUI::on_pushButton_3_clicked()
 {
 
@@ -677,23 +656,6 @@ void DATVDemodGUI::on_pushButton_3_clicked()
    }
 }
 
-/*
-void DATVDemodGUI::on_mediaStateChanged(QMediaPlayer::State state)
-{
-    switch(state)
-    {
-        case QMediaPlayer::PlayingState:
-            ui->pushButton_3->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
-            break;
-        default:
-            ui->pushButton_3->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
-            break;
-    }
-
-    ui->lblReadStatus->setText(QString("%1").arg(strLitteralState));
-
-}
-*/
 
 void DATVDemodGUI::on_pushButton_4_clicked()
 {
@@ -726,7 +688,7 @@ QString DATVDemodGUI::formatBytes(qint64 intBytes)
 
 void DATVDemodGUI::on_StreamDataAvailable(int *intPackets __attribute__((unused)), int *intBytes, int *intPercent, qint64 *intTotalReceived)
 {
-    ui->lblStatus->setText(QString("Decod: %1B").arg(formatBytes(*intTotalReceived)));
+    ui->lblStatus->setText(QString("Data: %1B").arg(formatBytes(*intTotalReceived)));
     m_intLastDecodedData = *intTotalReceived;
 
     if((*intPercent)<100)
@@ -752,3 +714,68 @@ void DATVDemodGUI::on_chkFastlock_clicked()
 {
     applySettings();
 }
+
+void DATVDemodGUI::on_StreamMetaDataChanged(DataTSMetaData2 *objMetaData)
+{
+    QString strMetaData="";
+
+    if(objMetaData!=NULL)
+    {
+
+        if(objMetaData->OK_TransportStream==true)
+        {
+            strMetaData.sprintf("PID: %d - Width: %d - Height: %d\r\n%s%s\r\nCodec: %s\r\n",objMetaData->PID
+                                                                                  ,objMetaData->Width
+                                                                                  ,objMetaData->Height
+                                                                                  ,objMetaData->Program.toStdString().c_str()
+                                                                                  ,objMetaData->Stream.toStdString().c_str()
+                                                                                  ,objMetaData->CodecDescription.toStdString().c_str());
+
+        }
+        ui->textEdit->setText(strMetaData);
+
+        ui->chkData->setChecked(objMetaData->OK_Data);
+        ui->chkTS->setChecked(objMetaData->OK_TransportStream);
+        ui->chkVS->setChecked(objMetaData->OK_VideoStream);
+        ui->chkDecoding->setChecked(objMetaData->OK_Decoding);
+
+        if(objMetaData->OK_Decoding==true)
+        {
+            ui->pushButton_3->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
+        }
+        else
+        {
+            ui->pushButton_3->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
+        }
+
+        if(objMetaData->Height>0)
+        {
+            ui->screenTV_2->setFixedWidth((int)objMetaData->Width*(270.0f/(float)objMetaData->Height));
+        }
+    }
+}
+
+void DATVDemodGUI::displayRRCParameters(bool blnVisible)
+{
+    ui->spiRollOff->setVisible(blnVisible);
+    ui->spiExcursion->setVisible(blnVisible);
+    ui->label_5->setVisible(blnVisible);
+    ui->label_6->setVisible(blnVisible);
+}
+
+void DATVDemodGUI::on_cmbFilter_currentIndexChanged(int index __attribute__((unused)))
+{
+    displayRRCParameters((ui->cmbFilter->currentIndex()==2));
+
+    applySettings();
+}
+
+void DATVDemodGUI::on_spiRollOff_valueChanged(int arg1 __attribute__((unused)))
+{
+    applySettings();
+}
+
+void DATVDemodGUI::on_spiExcursion_valueChanged(int arg1 __attribute__((unused)))
+{
+    applySettings();
+}

plugins/channelrx/demoddatv/datvdemodgui.h

@@ -81,40 +81,38 @@ private slots:
     void on_cmbFEC_currentIndexChanged(const QString &arg1);
     void on_chkViterbi_clicked();
     void on_chkHardMetric_clicked();
-    //void on_pushButton_clicked();
 
     void on_pushButton_2_clicked();
 
-    //void on_spiSampleRate_valueChanged(int arg1);
-
     void on_spiSymbolRate_valueChanged(int arg1);
 
     void on_spiNotchFilters_valueChanged(int arg1);
 
-    void on_chkHDLC_clicked();
-
     void on_chkAllowDrift_clicked();
 
-    void on_chkResample_clicked();
-
     void on_pushButton_3_clicked();
 
     void on_pushButton_4_clicked();
 
     void on_mouseEvent(QMouseEvent* obj);
     void on_StreamDataAvailable(int *intPackets, int *intBytes, int *intPercent, qint64 *intTotalReceived);
+    void on_StreamMetaDataChanged(DataTSMetaData2 *objMetaData);
 
     void on_spiBandwidth_valueChanged(int arg1);
 
-
     void on_chkFastlock_clicked();
 
+    void on_cmbFilter_currentIndexChanged(int index);
+
+    void on_spiRollOff_valueChanged(int arg1);
+
+    void on_spiExcursion_valueChanged(int arg1);
+
 private:
     Ui::DATVDemodGUI* ui;
     PluginAPI* m_objPluginAPI;
     DeviceUISet* m_deviceUISet;
 
-    //DeviceSourceAPI* m_objDeviceAPI;
     ChannelMarker m_objChannelMarker;
     ThreadedBasebandSampleSink* m_objThreadedChannelizer;
     DownChannelizer* m_objChannelizer;
@@ -132,7 +130,6 @@ private:
     bool m_blnDoApplySettings;
     bool m_blnButtonPlayClicked;
 
-    //explicit DATVDemodGUI(PluginAPI* objPluginAPI, DeviceSourceAPI *objDeviceAPI, QWidget* objParent = NULL);
     explicit DATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel, QWidget* objParent = 0);
     virtual ~DATVDemodGUI();
 
@@ -140,6 +137,8 @@ private:
 	void applySettings();
     QString formatBytes(qint64 intBytes);
 
+    void displayRRCParameters(bool blnVisible);
+
 	void leaveEvent(QEvent*);
 	void enterEvent(QEvent*);
 };

plugins/channelrx/demoddatv/datvdemodgui.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>512</width>
-    <height>520</height>
+    <height>640</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -19,13 +19,13 @@
   <property name="minimumSize">
    <size>
     <width>512</width>
-    <height>520</height>
+    <height>640</height>
    </size>
   </property>
   <property name="maximumSize">
    <size>
     <width>512</width>
-    <height>520</height>
+    <height>640</height>
    </size>
   </property>
   <property name="font">
@@ -97,6 +97,9 @@
          <height>220</height>
         </size>
        </property>
+       <property name="toolTip">
+        <string>Signal constellation</string>
+       </property>
        <property name="styleSheet">
         <string notr="true"/>
        </property>
@@ -128,16 +131,14 @@
        <height>21</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>DVB Standard</string>
+     </property>
      <item>
       <property name="text">
        <string>DVB-S</string>
       </property>
      </item>
-     <item>
-      <property name="text">
-       <string>DVB-S2</string>
-      </property>
-     </item>
     </widget>
     <widget class="QComboBox" name="cmbModulation">
      <property name="geometry">
@@ -148,6 +149,9 @@
        <height>21</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Modulation scheme</string>
+     </property>
      <item>
       <property name="text">
        <string>BPSK</string>
@@ -203,6 +207,9 @@
        <height>21</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>FEC ratio</string>
+     </property>
      <item>
       <property name="text">
        <string>1/2</string>
@@ -228,21 +235,6 @@
        <string>7/8</string>
       </property>
      </item>
-     <item>
-      <property name="text">
-       <string>4/5</string>
-      </property>
-     </item>
-     <item>
-      <property name="text">
-       <string>8/9</string>
-      </property>
-     </item>
-     <item>
-      <property name="text">
-       <string>9/10</string>
-      </property>
-     </item>
     </widget>
     <widget class="QCheckBox" name="chkFastlock">
      <property name="geometry">
@@ -253,6 +245,9 @@
        <height>20</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Fast signal decode</string>
+     </property>
      <property name="text">
       <string>FAST LOCK</string>
      </property>
@@ -261,11 +256,14 @@
      <property name="geometry">
       <rect>
        <x>140</x>
-       <y>140</y>
+       <y>120</y>
        <width>81</width>
        <height>20</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Viterbi algorithm (CPU intensive)</string>
+     </property>
      <property name="text">
       <string>VITERBI</string>
      </property>
@@ -279,6 +277,9 @@
        <height>20</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Constellation hardening</string>
+     </property>
      <property name="text">
       <string>HARD METRIC</string>
      </property>
@@ -309,19 +310,6 @@
       <string>Bandwidth</string>
      </property>
     </widget>
-    <widget class="QCheckBox" name="chkHDLC">
-     <property name="geometry">
-      <rect>
-       <x>10</x>
-       <y>140</y>
-       <width>101</width>
-       <height>20</height>
-      </rect>
-     </property>
-     <property name="text">
-      <string>HDLC</string>
-     </property>
-    </widget>
     <widget class="QCheckBox" name="chkAllowDrift">
      <property name="geometry">
       <rect>
@@ -331,6 +319,9 @@
        <height>20</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Small frequency drift compensation</string>
+     </property>
      <property name="text">
       <string>ALLOW DRIFT</string>
      </property>
@@ -344,6 +335,9 @@
        <height>23</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Number of stray peaks to suppress</string>
+     </property>
      <property name="maximum">
       <number>32</number>
      </property>
@@ -361,28 +355,18 @@
       <string>Notch filter</string>
      </property>
     </widget>
-    <widget class="QCheckBox" name="chkResample">
-     <property name="geometry">
-      <rect>
-       <x>140</x>
-       <y>120</y>
-       <width>85</width>
-       <height>20</height>
-      </rect>
-     </property>
-     <property name="text">
-      <string>RESAMPLE</string>
-     </property>
-    </widget>
     <widget class="QProgressBar" name="prgSynchro">
      <property name="geometry">
       <rect>
        <x>70</x>
-       <y>190</y>
+       <y>200</y>
        <width>181</width>
        <height>20</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Video buffer fill</string>
+     </property>
      <property name="value">
       <number>0</number>
      </property>
@@ -391,11 +375,14 @@
      <property name="geometry">
       <rect>
        <x>10</x>
-       <y>170</y>
+       <y>180</y>
        <width>111</width>
        <height>16</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Total number of bytes decoded</string>
+     </property>
      <property name="text">
       <string>-</string>
      </property>
@@ -404,7 +391,7 @@
      <property name="geometry">
       <rect>
        <x>230</x>
-       <y>140</y>
+       <y>120</y>
        <width>21</width>
        <height>22</height>
       </rect>
@@ -422,6 +409,9 @@
        <height>23</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Symbol rate</string>
+     </property>
      <property name="minimum">
       <number>1</number>
      </property>
@@ -441,6 +431,9 @@
        <height>23</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>RF filter bandwidth</string>
+     </property>
      <property name="minimum">
       <number>1000</number>
      </property>
@@ -455,11 +448,14 @@
      <property name="geometry">
       <rect>
        <x>130</x>
-       <y>170</y>
+       <y>180</y>
        <width>121</width>
        <height>16</height>
       </rect>
      </property>
+     <property name="toolTip">
+      <string>Stream speed</string>
+     </property>
      <property name="text">
       <string>-</string>
      </property>
@@ -468,7 +464,7 @@
      <property name="geometry">
       <rect>
        <x>10</x>
-       <y>190</y>
+       <y>200</y>
        <width>61</width>
        <height>15</height>
       </rect>
@@ -477,46 +473,189 @@
       <string>Buffer:</string>
      </property>
     </widget>
+    <widget class="QComboBox" name="cmbFilter">
+     <property name="geometry">
+      <rect>
+       <x>10</x>
+       <y>150</y>
+       <width>91</width>
+       <height>22</height>
+      </rect>
+     </property>
+     <property name="toolTip">
+      <string>Filter</string>
+     </property>
+     <item>
+      <property name="text">
+       <string>FIR LINEAR</string>
+      </property>
+     </item>
+     <item>
+      <property name="text">
+       <string>FIR NEAREST</string>
+      </property>
+     </item>
+     <item>
+      <property name="text">
+       <string>FIR RRC</string>
+      </property>
+     </item>
+    </widget>
+    <widget class="QSpinBox" name="spiRollOff">
+     <property name="geometry">
+      <rect>
+       <x>140</x>
+       <y>150</y>
+       <width>41</width>
+       <height>23</height>
+      </rect>
+     </property>
+     <property name="toolTip">
+      <string>RRC filter roll off factor </string>
+     </property>
+     <property name="minimum">
+      <number>1</number>
+     </property>
+     <property name="maximum">
+      <number>99</number>
+     </property>
+     <property name="value">
+      <number>35</number>
+     </property>
+    </widget>
+    <widget class="QLabel" name="label_5">
+     <property name="geometry">
+      <rect>
+       <x>106</x>
+       <y>150</y>
+       <width>28</width>
+       <height>23</height>
+      </rect>
+     </property>
+     <property name="text">
+      <string>R.off</string>
+     </property>
+    </widget>
+    <widget class="QLabel" name="label_6">
+     <property name="geometry">
+      <rect>
+       <x>180</x>
+       <y>150</y>
+       <width>28</width>
+       <height>23</height>
+      </rect>
+     </property>
+     <property name="text">
+      <string>Exc</string>
+     </property>
+    </widget>
+    <widget class="QSpinBox" name="spiExcursion">
+     <property name="geometry">
+      <rect>
+       <x>210</x>
+       <y>150</y>
+       <width>41</width>
+       <height>23</height>
+      </rect>
+     </property>
+     <property name="toolTip">
+      <string>Filter excursion (dB)</string>
+     </property>
+     <property name="minimum">
+      <number>1</number>
+     </property>
+     <property name="maximum">
+      <number>99</number>
+     </property>
+     <property name="value">
+      <number>10</number>
+     </property>
+    </widget>
    </widget>
   </widget>
   <widget class="QGroupBox" name="groupBox_2">
    <property name="geometry">
     <rect>
      <x>10</x>
-     <y>260</y>
+     <y>250</y>
      <width>496</width>
-     <height>240</height>
+     <height>385</height>
     </rect>
    </property>
    <property name="minimumSize">
     <size>
      <width>496</width>
-     <height>240</height>
+     <height>385</height>
     </size>
    </property>
    <property name="maximumSize">
     <size>
      <width>496</width>
-     <height>240</height>
+     <height>385</height>
     </size>
    </property>
    <property name="title">
     <string>VIDEO Stream</string>
    </property>
-   <widget class="QWidget" name="layoutWidget_2">
+   <widget class="QTextEdit" name="textEdit">
+    <property name="geometry">
+     <rect>
+      <x>0</x>
+      <y>300</y>
+      <width>281</width>
+      <height>81</height>
+     </rect>
+    </property>
+    <property name="readOnly">
+     <bool>true</bool>
+    </property>
+    <property name="acceptRichText">
+     <bool>false</bool>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="pushButton_4">
+    <property name="geometry">
+     <rect>
+      <x>400</x>
+      <y>350</y>
+      <width>91</width>
+      <height>27</height>
+     </rect>
+    </property>
+    <property name="toolTip">
+     <string>Full screen video (click in the image to return)</string>
+    </property>
+    <property name="text">
+     <string>Full Screen</string>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="pushButton_3">
+    <property name="geometry">
+     <rect>
+      <x>400</x>
+      <y>300</y>
+      <width>91</width>
+      <height>27</height>
+     </rect>
+    </property>
+    <property name="toolTip">
+     <string>Start/Stop video streaming</string>
+    </property>
+    <property name="text">
+     <string>  Video</string>
+    </property>
+   </widget>
+   <widget class="QWidget" name="formLayoutWidget">
     <property name="geometry">
      <rect>
       <x>0</x>
       <y>20</y>
-      <width>358</width>
+      <width>488</width>
-      <height>211</height>
+      <height>272</height>
      </rect>
     </property>
-    <layout class="QHBoxLayout" name="screenTVLayout_2">
+    <layout class="QFormLayout" name="formLayout">
-     <property name="sizeConstraint">
+     <item row="0" column="0">
-      <enum>QLayout::SetMinimumSize</enum>
-     </property>
-     <item>
       <widget class="DATVideoRender" name="screenTV_2" native="true">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
@@ -526,16 +665,19 @@
        </property>
        <property name="minimumSize">
         <size>
-         <width>356</width>
+         <width>480</width>
-         <height>200</height>
+         <height>270</height>
         </size>
        </property>
        <property name="maximumSize">
         <size>
-         <width>356</width>
+         <width>355</width>
-         <height>200</height>
+         <height>270</height>
         </size>
        </property>
+       <property name="toolTip">
+        <string>Video</string>
+       </property>
        <property name="styleSheet">
         <string notr="true"/>
        </property>
@@ -543,73 +685,93 @@
      </item>
     </layout>
    </widget>
-   <widget class="QFrame" name="lblState">
+   <widget class="QCheckBox" name="chkTS">
+    <property name="enabled">
+     <bool>false</bool>
+    </property>
     <property name="geometry">
      <rect>
-      <x>360</x>
+      <x>300</x>
-      <y>20</y>
+      <y>320</y>
-      <width>131</width>
+      <width>85</width>
-      <height>211</height>
+      <height>20</height>
      </rect>
     </property>
-    <property name="frameShape">
+    <property name="toolTip">
-     <enum>QFrame::StyledPanel</enum>
+     <string>Transport stream detected</string>
-    </property>
-    <property name="frameShadow">
-     <enum>QFrame::Raised</enum>
-    </property>
-    <widget class="QPushButton" name="pushButton_3">
-     <property name="geometry">
-      <rect>
-       <x>10</x>
-       <y>10</y>
-       <width>111</width>
-       <height>27</height>
-      </rect>
     </property>
     <property name="text">
-      <string>  Video</string>
+     <string>Transport</string>
+    </property>
+    <property name="checkable">
+     <bool>true</bool>
     </property>
    </widget>
-    <widget class="QPushButton" name="pushButton_4">
+   <widget class="QCheckBox" name="chkVS">
+    <property name="enabled">
+     <bool>false</bool>
+    </property>
     <property name="geometry">
      <rect>
-       <x>10</x>
+      <x>300</x>
-       <y>50</y>
+      <y>340</y>
-       <width>111</width>
+      <width>85</width>
-       <height>27</height>
+      <height>20</height>
      </rect>
     </property>
+    <property name="toolTip">
+     <string>Video data detected</string>
+    </property>
     <property name="text">
-      <string>Full Screen</string>
+     <string>Video </string>
+    </property>
+    <property name="checkable">
+     <bool>true</bool>
     </property>
    </widget>
-    <widget class="QLabel" name="lblRead">
+   <widget class="QCheckBox" name="chkDecoding">
+    <property name="enabled">
+     <bool>false</bool>
+    </property>
     <property name="geometry">
      <rect>
-       <x>10</x>
+      <x>300</x>
-       <y>120</y>
+      <y>360</y>
-       <width>111</width>
+      <width>85</width>
-       <height>16</height>
+      <height>20</height>
      </rect>
     </property>
+    <property name="toolTip">
+     <string>Video being decoded</string>
+    </property>
     <property name="text">
-      <string>-</string>
+     <string>Decoding</string>
+    </property>
+    <property name="checkable">
+     <bool>true</bool>
     </property>
    </widget>
-    <widget class="QLabel" name="lblReadStatus">
+   <widget class="QCheckBox" name="chkData">
+    <property name="enabled">
+     <bool>false</bool>
+    </property>
     <property name="geometry">
      <rect>
-       <x>10</x>
+      <x>300</x>
-       <y>90</y>
+      <y>300</y>
-       <width>111</width>
+      <width>85</width>
-       <height>16</height>
+      <height>20</height>
      </rect>
     </property>
-     <property name="text">
+    <property name="toolTip">
-      <string>-</string>
+     <string>Data being received</string>
+    </property>
+    <property name="text">
+     <string>Data</string>
+    </property>
+    <property name="checkable">
+     <bool>true</bool>
     </property>
-    </widget>
    </widget>
   </widget>
  </widget>

plugins/channelrx/demoddatv/datvdemodplugin.cpp

@@ -27,7 +27,7 @@
 const PluginDescriptor DATVDemodPlugin::m_ptrPluginDescriptor =
 {
     QString("DATV Demodulator"),
-    QString("3.13.0"),
+    QString("3.2.0"),
     QString("(c) F4HKW for SDRAngel using LeanSDR framework (c) F4DAV"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,
@@ -53,7 +53,6 @@ void DATVDemodPlugin::initPlugin(PluginAPI* ptrPluginAPI)
 
     // register DATV demodulator
     m_ptrPluginAPI->registerRxChannel(DATVDemod::m_channelIdURI, DATVDemod::m_channelId, this);
-
 }
 
 PluginInstanceGUI* DATVDemodPlugin::createRxChannelGUI(DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel)

plugins/channelrx/demoddatv/datvideorender.cpp

@@ -108,7 +108,7 @@ static int64_t SeekFunction(void* opaque, int64_t offset, int whence)
     return objStream->pos();
 }
 
-bool DATVideoRender::InitializeFFMPEG()
+void DATVideoRender::ResetMetaData()
 {
     MetaData.CodecID=-1;
     MetaData.PID=-1;
@@ -120,7 +120,18 @@ bool DATVideoRender::InitializeFFMPEG()
     MetaData.Channels=-1;
     MetaData.CodecDescription= "";
 
-    if(m_blnIsFFMPEGInitialized==true)
+    MetaData.OK_Decoding=false;
+    MetaData.OK_TransportStream=false;
+    MetaData.OK_VideoStream=false;
+
+    emit onMetaDataChanged(&MetaData);
+}
+
+bool DATVideoRender::InitializeFFMPEG()
+{
+    ResetMetaData();
+
+    if(m_blnIsFFMPEGInitialized)
     {
         return false;
     }
@@ -175,6 +186,8 @@ bool DATVideoRender::PreprocessStream()
 
     MetaData.PID = m_objFormatCtx->streams[m_intVideoStreamIndex]->id;
     MetaData.CodecID = m_objDecoderCtx->codec_id;
+    MetaData.OK_TransportStream = true;
+
 
     MetaData.Program="";
     MetaData.Stream="";
@@ -199,6 +212,8 @@ bool DATVideoRender::PreprocessStream()
         MetaData.Stream = QString("%1").arg(objBuffer);
     }
 
+    emit onMetaDataChanged(&MetaData);
+
     //Decoder
     objCodec = avcodec_find_decoder(m_objDecoderCtx->codec_id);
     if(objCodec==NULL)
@@ -238,10 +253,14 @@ bool DATVideoRender::PreprocessStream()
 
     MetaData.Width=m_objDecoderCtx->width;
     MetaData.Height=m_objDecoderCtx->height;
-    MetaData.BitRate=m_objDecoderCtx->bit_rate;
+    MetaData.BitRate= m_objDecoderCtx->bit_rate;
     MetaData.Channels=m_objDecoderCtx->channels;
     MetaData.CodecDescription= QString("%1").arg(objCodec->long_name);
 
+    MetaData.OK_VideoStream = true;
+
+    emit onMetaDataChanged(&MetaData);
+
     return true;
 }
 
@@ -251,13 +270,11 @@ bool DATVideoRender::OpenStream(DATVideostream *objDevice)
     unsigned char * ptrIOBuffer = NULL;
     AVIOContext * objIOCtx = NULL;
 
-    if(m_blnRunning==true)
+    if(m_blnRunning)
     {
         return false;
     }
 
-    //Only once execution
-    m_blnRunning=true;
 
     if(objDevice==NULL)
     {
@@ -266,19 +283,40 @@ bool DATVideoRender::OpenStream(DATVideostream *objDevice)
         return false;
     }
 
-    if(m_blnIsOpen==true)
+
+    if(m_blnIsOpen)
     {
         qDebug() << "DATVideoProcess::OpenStream already open";
 
         return false;
     }
 
+    if(objDevice->bytesAvailable()<=0)
+    {
+
+        qDebug() << "DATVideoProcess::OpenStream no data available";
+
+        MetaData.OK_Data=false;
+        emit onMetaDataChanged(&MetaData);
+
+        return false;
+    }
+
+    //Only once execution
+    m_blnRunning=true;
+
+    MetaData.OK_Data=true;
+    emit onMetaDataChanged(&MetaData);
+
+
     InitializeFFMPEG();
 
+
     if(!m_blnIsFFMPEGInitialized)
     {
         qDebug() << "DATVideoProcess::OpenStream FFMPEG not initialized";
 
+        m_blnRunning=false;
         return false;
     }
 
@@ -286,9 +324,11 @@ bool DATVideoRender::OpenStream(DATVideostream *objDevice)
     {
         qDebug() << "DATVideoProcess::OpenStream cannot open QIODevice";
 
+        m_blnRunning=false;
         return false;
     }
 
+
     //Connect QIODevice to FFMPEG Reader
 
     m_objFormatCtx = avformat_alloc_context();
@@ -297,6 +337,7 @@ bool DATVideoRender::OpenStream(DATVideostream *objDevice)
     {
         qDebug() << "DATVideoProcess::OpenStream cannot alloc format FFMPEG context";
 
+        m_blnRunning=false;
         return false;
     }
 
@@ -318,12 +359,13 @@ bool DATVideoRender::OpenStream(DATVideostream *objDevice)
     {
         qDebug() << "DATVideoProcess::OpenStream cannot open stream";
 
+        m_blnRunning=false;
         return false;
     }
 
-
     if(!PreprocessStream())
     {
+        m_blnRunning=false;
         return false;
     }
 
@@ -341,14 +383,14 @@ bool DATVideoRender::RenderStream()
     int intGotFrame;
     bool blnNeedRenderingSetup;
 
-    if (!m_blnIsOpen)
+    if(!m_blnIsOpen)
     {
-        qDebug() << "DATVideoProcess::RenderStream: Stream not open";
+        qDebug() << "DATVideoProcess::RenderStream Stream not open";
 
         return false;
     }
 
-    if (m_blnRunning)
+    if(m_blnRunning)
     {
         return false;
     }
@@ -413,7 +455,7 @@ bool DATVideoRender::RenderStream()
                 av_opt_set_int(m_objSwsCtx,"dsth",m_objFrame->height,0);
                 av_opt_set_int(m_objSwsCtx,"dst_format",AV_PIX_FMT_RGB24 ,0);
 
-                av_opt_set_int(m_objSwsCtx,"sws_flag",SWS_FAST_BILINEAR /* SWS_BICUBIC*/,0);
+                av_opt_set_int(m_objSwsCtx,"sws_flag", SWS_FAST_BILINEAR  /* SWS_BICUBIC*/,0);
 
                 if(sws_init_context(m_objSwsCtx, NULL, NULL)<0)
                 {
@@ -455,6 +497,8 @@ bool DATVideoRender::RenderStream()
 
                  MetaData.Width = m_objFrame->width;
                  MetaData.Height = m_objFrame->height;
+                 MetaData.OK_Decoding = true;
+                 emit onMetaDataChanged(&MetaData);
             }
 
             //Frame rendering
@@ -482,25 +526,17 @@ bool DATVideoRender::RenderStream()
 
     m_blnRunning=false;
 
-    //AVDictionaryEntry *objRslt= av_dict_get(fmt_ctx->programs[video_stream_index]->metadata,"service_provider",NULL,0);
-    //char objErrBuf[1024];
-    //memset(objErrBuf,0,1024);
-    //av_strerror(ret,objErrBuf,1024);
-
     return true;
 }
 
 bool DATVideoRender::CloseStream(QIODevice *objDevice)
 {
 
-    if(m_blnRunning==true)
+    if(m_blnRunning)
     {
         return false;
     }
 
-    //Only once execution
-    m_blnRunning=true;
-
     if(!objDevice)
     {
         qDebug() << "DATVideoProcess::CloseStream QIODevice is NULL";
@@ -508,9 +544,9 @@ bool DATVideoRender::CloseStream(QIODevice *objDevice)
         return false;
     }
 
-    if (!m_blnIsOpen)
+    if(!m_blnIsOpen)
     {
-        qDebug() << "DATVideoProcess::CloseStream: Stream not open";
+        qDebug() << "DATVideoProcess::CloseStream Stream not open";
 
         return false;
     }
@@ -522,6 +558,9 @@ bool DATVideoRender::CloseStream(QIODevice *objDevice)
         return false;
     }
 
+    //Only once execution
+    m_blnRunning=true;
+
     avformat_close_input(&m_objFormatCtx);
     m_objFormatCtx=NULL;
 
@@ -531,7 +570,6 @@ bool DATVideoRender::CloseStream(QIODevice *objDevice)
         m_objDecoderCtx=NULL;
     }
 
-
     if(m_objFrame)
     {
         av_frame_unref(m_objFrame);
@@ -553,5 +591,8 @@ bool DATVideoRender::CloseStream(QIODevice *objDevice)
     m_intCurrentRenderWidth=-1;
     m_intCurrentRenderHeight=-1;
 
+    ResetMetaData();
+    emit onMetaDataChanged(&MetaData);
+
     return true;
 }

plugins/channelrx/demoddatv/datvideorender.h

@@ -39,13 +39,18 @@ extern "C"
 #include <libavutil/samplefmt.h>
 
 #include "libswscale/swscale.h"
-
 }
 
 struct DataTSMetaData2
 {
     int PID;
     int CodecID;
+
+    bool OK_Data;
+    bool OK_Decoding;
+    bool OK_TransportStream;
+    bool OK_VideoStream;
+
     QString Program;
     QString Stream;
 
@@ -53,12 +58,16 @@ struct DataTSMetaData2
     int Height;
     int BitRate;
     int Channels;
+
+
     QString CodecDescription;
 
     DataTSMetaData2()
     {
         PID=-1;
         CodecID=-1;
+
+
         Program="";
         Stream="";
 
@@ -67,12 +76,19 @@ struct DataTSMetaData2
         BitRate=-1;
         Channels=-1;
         CodecDescription="";
+
+        OK_Data=false;
+        OK_Decoding=false;
+        OK_TransportStream=false;
+        OK_VideoStream=false;
+
     }
 };
 
 class DATVideoRender : public DATVScreen
 {
     Q_OBJECT
+
 public:
     explicit DATVideoRender(QWidget * parent);
     void SetFullScreen(bool blnFullScreen);
@@ -106,18 +122,17 @@ private:
 
     bool InitializeFFMPEG();
     bool PreprocessStream();
-
+    void ResetMetaData();
-
 
 protected:
     virtual bool eventFilter(QObject *obj, QEvent *event);
 
 signals:
-
+    void onMetaDataChanged(DataTSMetaData2 *objMetaData);
-public slots:
 
 };
 
+//To run Video Rendering with a dedicated thread
 class DATVideoRenderThread: public QThread
 {
 
@@ -141,12 +156,11 @@ class DATVideoRenderThread: public QThread
             m_objRenderer = objRenderer;
             m_objStream = objStream;
             m_blnRenderingVideo=false;
-
         }
 
         void run()
         {
-            if(m_blnRenderingVideo==true)
+            if(m_blnRenderingVideo)
             {
                 return;
             }
@@ -156,19 +170,11 @@ class DATVideoRenderThread: public QThread
                 return ;
             }
 
-            m_blnRenderingVideo=false;
+            m_blnRenderingVideo = m_objRenderer->OpenStream(m_objStream);
 
-            if(m_objRenderer->OpenStream(m_objStream))
+            if(!m_blnRenderingVideo)
             {
-                qInfo("DATVideoRenderThread::run: PID: %d W: %d H: %d Codec: %s Data: %s Service: %s",
+                return;
-                       m_objRenderer->MetaData.PID,
-                       m_objRenderer->MetaData.Width,
-                       m_objRenderer->MetaData.Height,
-                       m_objRenderer->MetaData.CodecDescription.toStdString().c_str(),
-                       m_objRenderer->MetaData.Program.toStdString().c_str(),
-                       m_objRenderer->MetaData.Stream.toStdString().c_str());
-
-                m_blnRenderingVideo=true;
             }
 
             while((m_objRenderer->RenderStream()) && (m_blnRenderingVideo==true))
@@ -177,6 +183,8 @@ class DATVideoRenderThread: public QThread
 
             m_objRenderer->CloseStream(m_objStream);
 
+            m_blnRenderingVideo=false;
+
         }
 
         void stopRendering()
@@ -186,7 +194,6 @@ class DATVideoRenderThread: public QThread
 
 
     private:
-
         DATVideoRender *m_objRenderer;
         DATVideostream *m_objStream;
         bool m_blnRenderingVideo;

plugins/channelrx/demoddatv/datvideostream.cpp

@@ -26,6 +26,7 @@ DATVideostream::DATVideostream():
     m_intPacketReceived=0;
     m_intMemoryLimit = DefaultMemoryLimit;
     MultiThreaded=false;
+    ThreadTimeOut=-1;
 
     m_objeventLoop.connect(this,SIGNAL(onDataAvailable()), &m_objeventLoop, SLOT(quit()),Qt::QueuedConnection);
 }
@@ -143,6 +144,7 @@ qint64 DATVideostream::readData(char *data, qint64 len)
     QByteArray objCurrentArray;
     int intEffectiveLen=0;
     int intExpectedLen=0;
+    int intThreadLoop=0;
 
     intExpectedLen = (int) len;
 
@@ -160,15 +162,25 @@ qint64 DATVideostream::readData(char *data, qint64 len)
 
     //DATA in FIFO ? -> Waiting for DATA
     if((m_objFIFO.isEmpty()) || (m_objFIFO.count()<MinStackSize))
-       //|| (m_intBytesWaiting<10*len))
     {
         m_objMutex.unlock();
 
         if(MultiThreaded==true)
         {
+
+            intThreadLoop=0;
             while((m_objFIFO.isEmpty()) || (m_objFIFO.count()<MinStackSize))
             {
                 QThread::msleep(5);
+                intThreadLoop ++;
+
+                if(ThreadTimeOut>=0)
+                {
+                    if(intThreadLoop*5>ThreadTimeOut)
+                    {
+                        return -1;
+                    }
+                }
             }
         }
         else
@@ -212,12 +224,12 @@ qint64 DATVideostream::readData(char *data, qint64 len)
     return (qint64)intEffectiveLen;
 }
 
-qint64 DATVideostream::writeData(const char *data, qint64 len)
+qint64 DATVideostream::writeData(const char *data __attribute__((unused)), qint64 len __attribute__((unused)))
 {
     return 0;
 }
 
-qint64 	DATVideostream::readLineData(char *data, qint64 maxSize)
+qint64 	DATVideostream::readLineData(char *data __attribute__((unused)), qint64 maxSize __attribute__((unused)))
 {
     return 0;
 }

plugins/channelrx/demoddatv/datvideostream.h

@@ -37,6 +37,7 @@ public:
     ~DATVideostream();
 
     bool MultiThreaded;
+    int ThreadTimeOut;
 
     int pushData(const char * chrData, int intSize);
     bool setMemoryLimit(int intMemoryLimit);

plugins/channelrx/demoddatv/datvscreen.cpp

@@ -52,7 +52,7 @@ DATVScreen::~DATVScreen()
 
 QRgb* DATVScreen::getRowBuffer(int intRow)
 {
-    if (m_blnGLContextInitialized == false)
+    if (!m_blnGLContextInitialized)
     {
         return NULL;
     }
@@ -161,7 +161,7 @@ void DATVScreen::paintGL()
     m_objMutex.unlock();
 }
 
-void DATVScreen::mousePressEvent(QMouseEvent* event)
+void DATVScreen::mousePressEvent(QMouseEvent* event __attribute__((unused)))
 {
 }
 
@@ -194,13 +194,20 @@ bool DATVScreen::selectRow(int intLine)
     {
         return m_objGLShaderArray.SelectRow(intLine);
     }
+    else
+    {
+        return false;
+    }
 }
 
 bool DATVScreen::setDataColor(int intCol, int intRed, int intGreen, int intBlue)
 {
     if (m_blnGLContextInitialized)
     {
-        return m_objGLShaderArray.SetDataColor(intCol,
+        return m_objGLShaderArray.SetDataColor(intCol, qRgb(intRed, intGreen, intBlue));
-                qRgb(intRed, intGreen, intBlue));
+    }
+    else
+    {
+        return false;
     }
 }

plugins/channelrx/demoddatv/datvscreen.h

@@ -33,12 +33,8 @@
 #include "util/export.h"
 #include "util/bitfieldindex.h"
 
-
-
 class QPainter;
 
-
-
 class SDRANGEL_API DATVScreen: public QGLWidget
 {
 	Q_OBJECT

plugins/channelrx/demoddatv/datvvideoplayer.h

@@ -23,32 +23,42 @@
 
 namespace leansdr
 {
-    template<typename T> struct datvvideoplayer : runnable
+template<typename T> struct datvvideoplayer: runnable
-    {
+{
     datvvideoplayer(scheduler *sch, pipebuf<T> &_in, DATVideostream * objVideoStream) :
-        runnable(sch, _in.name),
+            runnable(sch, _in.name), in(_in), m_objVideoStream(objVideoStream)
-        in(_in),
-        m_objVideoStream(objVideoStream)
     {
     }
 
     void run()
     {
         int size = in.readable() * sizeof(T);
-        if ( ! size ) return;
+        if (!size)
+            return;
 
-        int nw = m_objVideoStream->pushData((const char *)in.rd(),size);
+        int nw = m_objVideoStream->pushData((const char *) in.rd(), size);
-
-        if ( ! nw ) fatal("pipe");
-        if ( nw < 0 ) fatal("write");
-        if ( nw % sizeof(T) ) fatal("partial write");
-        in.read(nw/sizeof(T));
 
+        if (!nw)
+        {
+            fatal("leansdr::datvvideoplayer::run: pipe");
+            return;
         }
-    private:
+        if (nw < 0)
+        {
+            fatal("leansdr::datvvideoplayer::run: write");
+            return;
+        }
+        if (nw % sizeof(T))
+        {
+            fatal("leansdr::datvvideoplayer::run: partial write");
+            return;
+        }
+        in.read(nw / sizeof(T));
+    }
+private:
     pipereader<T> in;
     DATVideostream * m_objVideoStream;
-    };
+};
 
 }
 

plugins/channelrx/demoddatv/glshaderarray.cpp

@@ -126,7 +126,7 @@ void GLShaderArray::InitializeGL(int intCols, int intRows)
 
 QRgb * GLShaderArray::GetRowBuffer(int intRow)
 {
-    if (m_blnInitialized == false)
+    if (!m_blnInitialized)
     {
         return 0;
     }
@@ -167,7 +167,7 @@ void GLShaderArray::RenderPixels(unsigned char *chrData)
 
     QRgb *ptrLine;
 
-    if (m_blnInitialized == false)
+    if (!m_blnInitialized)
     {
         return;
     }