RTLSDR input: moved FileRecord out of the GUI

plugins/samplesource/rtlsdr/rtlsdrgui.cpp

@@ -53,12 +53,6 @@ RTLSDRGui::RTLSDRGui(DeviceSourceAPI *deviceAPI, QWidget* parent) :
 	displaySettings();
 
 	connect(m_sampleSource->getOutputMessageQueueToGUI(), SIGNAL(messageEnqueued()), this, SLOT(handleSourceMessages()));
-
-    char recFileNameCStr[30];
-    sprintf(recFileNameCStr, "test_%d.sdriq", m_deviceAPI->getDeviceUID());
-    m_fileSink = new FileRecord(std::string(recFileNameCStr));
-    m_deviceAPI->addSink(m_fileSink);
-
     connect(m_deviceAPI->getDeviceOutputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleDSPMessages()), Qt::QueuedConnection);
 
     queryDeviceReport(); // will reply with MsgReportRTLSDR to report gain list
@@ -66,8 +60,6 @@ RTLSDRGui::RTLSDRGui(DeviceSourceAPI *deviceAPI, QWidget* parent) :
 
 RTLSDRGui::~RTLSDRGui()
 {
-    m_deviceAPI->removeSink(m_fileSink);
-    delete m_fileSink;
 	delete ui;
 	delete m_sampleSource;
 }
@@ -169,7 +161,6 @@ void RTLSDRGui::handleDSPMessages()
             m_deviceCenterFrequency = notif->getCenterFrequency();
             qDebug("RTLSDRGui::handleDSPMessages: SampleRate:%d, CenterFrequency:%llu", notif->getSampleRate(), notif->getCenterFrequency());
             updateSampleRateAndFrequency();
-            m_fileSink->handleMessage(*notif); // forward to file sink
 
             delete message;
         }
@@ -329,16 +320,14 @@ void RTLSDRGui::on_startStop_toggled(bool checked)
 
 void RTLSDRGui::on_record_toggled(bool checked)
 {
-    if (checked)
+    if (checked) {
-    {
         ui->record->setStyleSheet("QToolButton { background-color : red; }");
-        m_fileSink->startRecording();
+    } else {
-    }
-    else
-    {
         ui->record->setStyleSheet("QToolButton { background:rgb(79,79,79); }");
-        m_fileSink->stopRecording();
     }
+
+    RTLSDRInput::MsgFileRecord* message = RTLSDRInput::MsgFileRecord::create(checked);
+    m_sampleSource->getInputMessageQueue()->push(message);
 }
 
 void RTLSDRGui::queryDeviceReport()

plugins/samplesource/rtlsdr/rtlsdrgui.h

@@ -24,7 +24,6 @@
 #include "rtlsdrinput.h"
 
 class DeviceSourceAPI;
-class FileRecord;
 
 namespace Ui {
 	class RTLSDRGui;
@@ -58,7 +57,6 @@ private:
 	QTimer m_statusTimer;
 	std::vector<int> m_gains;
 	DeviceSampleSource* m_sampleSource;
-    FileRecord *m_fileSink; //!< File sink to record device I/Q output
     int m_sampleRate;
     quint64 m_deviceCenterFrequency; //!< Center frequency in device
 	int m_lastEngineState;

plugins/samplesource/rtlsdr/rtlsdrinput.cpp

@@ -26,10 +26,12 @@
 #include "rtlsdrgui.h"
 #include "dsp/dspcommands.h"
 #include "dsp/dspengine.h"
+#include "dsp/filerecord.h"
 
 MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgConfigureRTLSDR, Message)
 MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgQueryRTLSDR, Message)
 MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgReportRTLSDR, Message)
+MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgFileRecord, Message)
 
 RTLSDRInput::RTLSDRInput(DeviceSourceAPI *deviceAPI) :
     m_deviceAPI(deviceAPI),
@@ -40,11 +42,18 @@ RTLSDRInput::RTLSDRInput(DeviceSourceAPI *deviceAPI) :
 	m_running(false)
 {
     openDevice();
+
+    char recFileNameCStr[30];
+    sprintf(recFileNameCStr, "test_%d.sdriq", m_deviceAPI->getDeviceUID());
+    m_fileSink = new FileRecord(std::string(recFileNameCStr));
+    m_deviceAPI->addSink(m_fileSink);
 }
 
 RTLSDRInput::~RTLSDRInput()
 {
     if (m_running) stop();
+    m_deviceAPI->removeSink(m_fileSink);
+    delete m_fileSink;
     closeDevice();
 }
 
@@ -246,6 +255,17 @@ bool RTLSDRInput::handleMessage(const Message& message)
 
         return true;
     }
+    else if (MsgFileRecord::match(message))
+    {
+        MsgFileRecord& conf = (MsgFileRecord&) message;
+        qDebug() << "RTLSDRInput::handleMessage: MsgFileRecord: " << conf.getStartStop();
+
+        if (conf.getStartStop()) {
+            m_fileSink->startRecording();
+        } else {
+            m_fileSink->stopRecording();
+        }
+    }
     else
     {
         return false;
@@ -400,6 +420,7 @@ bool RTLSDRInput::applySettings(const RTLSDRSettings& settings, bool force)
         int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim);
         DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
         m_deviceAPI->getDeviceInputMessageQueue()->push(notif);
+        m_fileSink->handleMessage(*notif); // forward to file sink
     }
 
     return true;

plugins/samplesource/rtlsdr/rtlsdrinput.h

@@ -26,6 +26,7 @@
 
 class DeviceSourceAPI;
 class RTLSDRThread;
+class FileRecord;
 
 class RTLSDRInput : public DeviceSampleSource {
 public:
@@ -84,6 +85,25 @@ public:
         { }
     };
 
+    class MsgFileRecord : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        bool getStartStop() const { return m_startStop; }
+
+        static MsgFileRecord* create(bool startStop) {
+            return new MsgFileRecord(startStop);
+        }
+
+    protected:
+        bool m_startStop;
+
+        MsgFileRecord(bool startStop) :
+            Message(),
+            m_startStop(startStop)
+        { }
+    };
+
 	RTLSDRInput(DeviceSourceAPI *deviceAPI);
 	virtual ~RTLSDRInput();
 
@@ -101,6 +121,7 @@ public:
 
 private:
 	DeviceSourceAPI *m_deviceAPI;
+    FileRecord *m_fileSink; //!< File sink to record device I/Q output
 	QMutex m_mutex;
 	RTLSDRSettings m_settings;
 	rtlsdr_dev_t* m_dev;