diff --git a/plugins/samplesource/filesource/filesourcegui.cpp b/plugins/samplesource/filesource/filesourcegui.cpp
index ca22e6b0d..f70c244ac 100644
--- a/plugins/samplesource/filesource/filesourcegui.cpp
+++ b/plugins/samplesource/filesource/filesourcegui.cpp
@@ -16,6 +16,9 @@
 
 #include <iostream>
 
+#include <QTime>
+#include <QDateTime>
+#include <QString>
 #include "ui_filesourcegui.h"
 #include "plugin/pluginapi.h"
 #include "gui/colormapper.h"
@@ -28,7 +31,12 @@ FileSourceGui::FileSourceGui(PluginAPI* pluginAPI, QWidget* parent) :
 	ui(new Ui::FileSourceGui),
 	m_pluginAPI(pluginAPI),
 	m_settings(),
-	m_sampleSource(NULL)
+	m_sampleSource(NULL),
+	m_acquisition(false),
+	m_sampleRate(0),
+	m_centerFrequency(0),
+	m_startingTimeStamp(0),
+	m_samplesCount(0)
 {
 	ui->setupUi(this);
 	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
@@ -109,17 +117,53 @@ bool FileSourceGui::deserialize(const QByteArray& data)
 
 bool FileSourceGui::handleMessage(Message* message)
 {
-	if(FileSourceInput::MsgReportFileSource::match(message)) {
+	if(FileSourceInput::MsgReportFileSource::match(message))
+	{
+		m_acquisition = ((FileSourceInput::MsgReportFileSource*)message)->getAcquisition();
+		m_sampleRate = ((FileSourceInput::MsgReportFileSource*)message)->getSampleRate();
+		m_centerFrequency = ((FileSourceInput::MsgReportFileSource*)message)->getCenterFrequency();
+		m_startingTimeStamp = ((FileSourceInput::MsgReportFileSource*)message)->getStartingTimeStamp();
 		displaySettings();
 		message->completed();
 		return true;
-	} else {
+	}
+	else
+	{
 		return false;
 	}
 }
 
 void FileSourceGui::displaySettings()
 {
+	ui->centerFrequency->setValue(m_centerFrequency/1000);
+	QString s = QString::number(m_sampleRate/1000.0, 'f', 0);
+	ui->sampleRateText->setText(tr("%1k").arg(s));
+	ui->play->setEnabled(m_acquisition);
+	displayTime();
+}
+
+void FileSourceGui::displayTime()
+{
+	int t_sec = 0;
+	int t_msec = 0;
+
+	if (m_sampleRate > 0){
+		t_msec = ((m_samplesCount * 1000) / m_sampleRate) % 1000;
+		t_sec = m_samplesCount / m_sampleRate;
+	}
+
+	QTime t(0, 0, 0, 0);
+	t.addSecs(t_sec);
+	t.addMSecs(t_msec);
+	QString s_time = t.toString("hh:mm:ss.zzz");
+	ui->relTimeText->setText(s_time);
+
+	quint64 startingTimeStampMsec = m_startingTimeStamp * 1000;
+	QDateTime dt = QDateTime::fromMSecsSinceEpoch(startingTimeStampMsec);
+	dt.addSecs(t_sec);
+	dt.addMSecs(t_msec);
+	QString s_date = dt.toString("yyyyMMdd hh.mm.ss.zzz");
+	ui->absTimeText->setText(s_date);
 }
 
 void FileSourceGui::sendSettings()
@@ -134,3 +178,8 @@ void FileSourceGui::updateHardware()
 	message->submit(m_pluginAPI->getDSPEngineMessageQueue());
 	m_updateTimer.stop();
 }
+
+void FileSourceGui::on_play_toggled(bool checked)
+{
+
+}
diff --git a/plugins/samplesource/filesource/filesourcegui.h b/plugins/samplesource/filesource/filesourcegui.h
index 630b67b68..a763bd246 100644
--- a/plugins/samplesource/filesource/filesourcegui.h
+++ b/plugins/samplesource/filesource/filesourcegui.h
@@ -56,8 +56,14 @@ private:
 	QTimer m_updateTimer;
 	std::vector<int> m_gains;
 	SampleSource* m_sampleSource;
+    bool m_acquisition;
+	int m_sampleRate;
+	quint64 m_centerFrequency;
+	std::time_t m_startingTimeStamp;
+	int m_samplesCount;
 
 	void displaySettings();
+	void displayTime();
 	void sendSettings();
 	void updateHardware();
 
diff --git a/plugins/samplesource/filesource/filesourcegui.ui b/plugins/samplesource/filesource/filesourcegui.ui
index e3b1c512e..938e6147a 100644
--- a/plugins/samplesource/filesource/filesourcegui.ui
+++ b/plugins/samplesource/filesource/filesourcegui.ui
@@ -80,7 +80,7 @@
         <enum>Qt::StrongFocus</enum>
        </property>
        <property name="toolTip">
-        <string>Tuner center frequency in kHz</string>
+        <string>Record center frequency in kHz</string>
        </property>
       </widget>
      </item>
@@ -109,14 +109,14 @@
    <item>
     <layout class="QHBoxLayout" name="rateTimeLayout">
      <item>
-      <widget class="QLabel" name="rateText">
+      <widget class="QLabel" name="sampleRateText">
        <property name="font">
         <font>
          <pointsize>8</pointsize>
         </font>
        </property>
        <property name="toolTip">
-        <string>Rate</string>
+        <string>Record sample rate</string>
        </property>
        <property name="text">
         <string>0k</string>
@@ -153,6 +153,9 @@
          <pointsize>8</pointsize>
         </font>
        </property>
+       <property name="toolTip">
+        <string>Record absolute time</string>
+       </property>
        <property name="text">
         <string>20150101 00:00:00.000</string>
        </property>
@@ -171,11 +174,14 @@
     <layout class="QHBoxLayout" name="playControllLayout">
      <item>
       <widget class="ButtonSwitch" name="playLoop">
+       <property name="toolTip">
+        <string>Play in a loop</string>
+       </property>
        <property name="text">
         <string/>
        </property>
        <property name="icon">
-        <iconset>
+        <iconset resource="../../../sdrbase/resources/res.qrc">
          <normaloff>:/playloop.png</normaloff>:/playloop.png</iconset>
        </property>
        <property name="iconSize">
@@ -191,12 +197,22 @@
      </item>
      <item>
       <widget class="ButtonSwitch" name="play">
+       <property name="toolTip">
+        <string>Stopped / Play / Pause</string>
+       </property>
        <property name="text">
         <string/>
        </property>
        <property name="icon">
-        <iconset>
-         <normaloff>:/play.png</normaloff>:/play.png</iconset>
+        <iconset resource="../../../sdrbase/resources/res.qrc">
+         <normaloff>:/pause.png</normaloff>
+         <normalon>:/play.png</normalon>
+         <disabledoff>:/stop.png</disabledoff>
+         <disabledon>:/stop.png</disabledon>
+         <activeoff>:/pause.png</activeoff>
+         <activeon>:/play.png</activeon>
+         <selectedoff>:/pause.png</selectedoff>
+         <selectedon>:/play.png</selectedon>:/pause.png</iconset>
        </property>
        <property name="iconSize">
         <size>
@@ -242,6 +258,9 @@
          <pointsize>8</pointsize>
         </font>
        </property>
+       <property name="toolTip">
+        <string>Record time from start</string>
+       </property>
        <property name="text">
         <string>00:00:00.000</string>
        </property>
@@ -264,6 +283,8 @@
    <header>gui/buttonswitch.h</header>
   </customwidget>
  </customwidgets>
- <resources/>
+ <resources>
+  <include location="../../../sdrbase/resources/res.qrc"/>
+ </resources>
  <connections/>
 </ui>
diff --git a/plugins/samplesource/filesource/filesourceinput.cpp b/plugins/samplesource/filesource/filesourceinput.cpp
index 0dd66cb78..b8229f03b 100644
--- a/plugins/samplesource/filesource/filesourceinput.cpp
+++ b/plugins/samplesource/filesource/filesourceinput.cpp
@@ -84,6 +84,10 @@ FileSourceInput::~FileSourceInput()
 
 void FileSourceInput::openFileStream()
 {
+	if (m_ifstream.is_open()) {
+		m_ifstream.close();
+	}
+
 	m_ifstream.open(m_settings.m_fileName.toStdString().c_str(), std::ios::binary);
 	FileSink::Header header;
 	FileSink::readHeader(m_ifstream, header);
@@ -95,6 +99,7 @@ void FileSourceInput::openFileStream()
 
 bool FileSourceInput::startInput(int device)
 {
+	std::cerr << "FileSourceInput::startInput" << std::endl;
 	QMutexLocker mutexLocker(&m_mutex);
 
 	openFileStream();
@@ -111,8 +116,7 @@ bool FileSourceInput::startInput(int device)
 	mutexLocker.unlock();
 	applySettings(m_generalSettings, m_settings, true);
 
-	qDebug("bladerfInput: start");
-	//MsgReportBladerf::create(m_gains)->submit(m_guiMessageQueue); Pass anything here
+	MsgReportFileSource::create(true, m_sampleRate, m_centerFrequency, m_startingTimeStamp)->submit(m_guiMessageQueue); // acquisition on
 
 	return true;
 
@@ -123,6 +127,7 @@ failed:
 
 void FileSourceInput::stopInput()
 {
+	std::cerr << "FileSourceInput::stopInput()" << std::endl;
 	QMutexLocker mutexLocker(&m_mutex);
 
 	if(m_fileSourceThread != NULL) {
@@ -132,6 +137,8 @@ void FileSourceInput::stopInput()
 	}
 
 	m_deviceDescription.clear();
+
+	MsgReportFileSource::create(false, m_sampleRate, m_centerFrequency, m_startingTimeStamp)->submit(m_guiMessageQueue); // acquisition off
 }
 
 const QString& FileSourceInput::getDeviceDescription() const
diff --git a/plugins/samplesource/filesource/filesourceinput.h b/plugins/samplesource/filesource/filesourceinput.h
index 2f16f462a..ba4dc3e99 100644
--- a/plugins/samplesource/filesource/filesourceinput.h
+++ b/plugins/samplesource/filesource/filesourceinput.h
@@ -64,16 +64,29 @@ public:
 		MESSAGE_CLASS_DECLARATION
 
 	public:
+		bool getAcquisition() const { return m_acquisition; }
+		int getSampleRate() const { return m_sampleRate; }
+		quint64 getCenterFrequency() const { return m_centerFrequency; }
+		std::time_t getStartingTimeStamp() const { return m_startingTimeStamp; }
 
-		static MsgReportFileSource* create()
+		static MsgReportFileSource* create(bool acquisition, int sampleRate, quint64 centerFrequency, std::time_t startingTimeStamp)
 		{
-			return new MsgReportFileSource();
+			return new MsgReportFileSource(acquisition, sampleRate, centerFrequency, startingTimeStamp);
 		}
 
 	protected:
+		bool m_acquisition;
+		int m_sampleRate;
+		quint64 m_centerFrequency;
+		std::time_t m_startingTimeStamp;
 
-		MsgReportFileSource() :
-			Message()
+
+		MsgReportFileSource(bool acquisition, int sampleRate, quint64 centerFrequency, std::time_t startingTimeStamp) :
+			Message(),
+			m_acquisition(acquisition),
+			m_sampleRate(sampleRate),
+			m_centerFrequency(centerFrequency),
+			m_startingTimeStamp(startingTimeStamp)
 		{ }
 	};
 
diff --git a/plugins/samplesource/filesource/filesourcethread.cpp b/plugins/samplesource/filesource/filesourcethread.cpp
index 4bd40df6c..e312ac635 100644
--- a/plugins/samplesource/filesource/filesourcethread.cpp
+++ b/plugins/samplesource/filesource/filesourcethread.cpp
@@ -16,6 +16,7 @@
 
 #include <stdio.h>
 #include <errno.h>
+#include <assert.h>
 #include "dsp/samplefifo.h"
 
 #include "filesourcethread.h"
@@ -32,6 +33,7 @@ FileSourceThread::FileSourceThread(std::ifstream *samplesStream, SampleFifo* sam
 	m_sampleFifo(sampleFifo),
 	m_samplerate(0)
 {
+    assert(m_ifstream != 0);
 }
 
 FileSourceThread::~FileSourceThread()
@@ -47,12 +49,21 @@ FileSourceThread::~FileSourceThread()
 
 void FileSourceThread::startWork()
 {
-	std::cerr << "FileSourceThread::startWork" << std::endl;
-	m_startWaitMutex.lock();
-	start();
-	while(!m_running)
-		m_startWaiter.wait(&m_startWaitMutex, 100);
-	m_startWaitMutex.unlock();
+	std::cerr << "FileSourceThread::startWork: ";
+    
+    if (m_ifstream->is_open())
+    {
+        std::cerr << " file stream open, starting..." << std::endl;
+        m_startWaitMutex.lock();
+        start();
+        while(!m_running)
+            m_startWaiter.wait(&m_startWaitMutex, 100);
+        m_startWaitMutex.unlock();
+    }
+    else
+    {
+        std::cerr << " file stream closed, not starting." << std::endl;        
+    }
 }
 
 void FileSourceThread::stopWork()
@@ -64,19 +75,33 @@ void FileSourceThread::stopWork()
 
 void FileSourceThread::setSamplerate(int samplerate)
 {
+	std::cerr << "FileSourceThread::setSamplerate:"
+			<< " new:" << samplerate
+			<< " old:" << m_samplerate;
+
 	if (samplerate != m_samplerate)
 	{
 		if (m_running) {
 			stopWork();
 		}
 
+		m_samplerate = samplerate;
 		m_bufsize = (m_samplerate / m_rateDivider)*4;
 
 		if (m_buf == 0)	{
+			std::cerr << " Allocate buffer";
 			m_buf = (quint8*) malloc(m_bufsize);
 		} else {
+			std::cerr << " Re-allocate buffer";
 			m_buf = (quint8*) realloc((void*) m_buf, m_bufsize);
 		}
+
+		std::cerr << " size: " << m_bufsize
+				<< " #samples: " << (m_bufsize/4) << std::endl;
+	}
+	else
+	{
+		std::cerr << std::endl;
 	}
 
 	m_samplerate = samplerate;
@@ -90,7 +115,7 @@ void FileSourceThread::run()
 	m_running = true;
 	m_startWaiter.wakeAll();
 
-	while(m_running)
+	while(m_running) // actual work is in the tick() function
 	{
 		sleep(1);
 	}
@@ -110,7 +135,18 @@ void FileSourceThread::tick()
 	{
 		// read samples directly feeding the SampleFifo (no callback)
 		m_ifstream->read(reinterpret_cast<char*>(m_buf), m_chunksize);
-		m_sampleFifo->write(m_buf, m_chunksize);
+        
+        if (m_ifstream->eof())
+        {
+            m_sampleFifo->write(m_buf, m_ifstream->gcount());
+            // TODO: handle loop playback situation
+            stopWork();
+            m_ifstream->close();
+        }
+        else
+        {
+            m_sampleFifo->write(m_buf, m_chunksize);
+        }
 	}
 }
 
diff --git a/sdrbase/resources/pause.png b/sdrbase/resources/pause.png
new file mode 100644
index 000000000..ba7d624bb
Binary files /dev/null and b/sdrbase/resources/pause.png differ
diff --git a/sdrbase/resources/res.qrc b/sdrbase/resources/res.qrc
index 829f8d9a0..d81718cd2 100644
--- a/sdrbase/resources/res.qrc
+++ b/sdrbase/resources/res.qrc
@@ -27,5 +27,7 @@
         <file>clear.png</file>
         <file>playloop.png</file>
         <file>play.png</file>
+        <file>pause.png</file>
+        <file>stop.png</file>
     </qresource>
 </RCC>
diff --git a/sdrbase/resources/stop.png b/sdrbase/resources/stop.png
new file mode 100644
index 000000000..b8a677a66
Binary files /dev/null and b/sdrbase/resources/stop.png differ