From 09bfb1f54a0acf1fc8c858249f3941bcb36bc92f Mon Sep 17 00:00:00 2001
From: Vladisslav P <vladisslav@inbox.ru>
Date: Fri, 18 Feb 2022 22:26:46 +0300
Subject: [PATCH] iq_tool: implement repeated playback option

---
 src/applications/gqrx/mainwindow.cpp |  9 +++++----
 src/applications/gqrx/mainwindow.h   |  2 +-
 src/qtgui/iq_tool.cpp                |  3 ++-
 src/qtgui/iq_tool.h                  |  2 +-
 src/qtgui/iq_tool.ui                 | 10 ++++++++++
 5 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/src/applications/gqrx/mainwindow.cpp b/src/applications/gqrx/mainwindow.cpp
index a9023d2b0f..1e028cd428 100644
--- a/src/applications/gqrx/mainwindow.cpp
+++ b/src/applications/gqrx/mainwindow.cpp
@@ -322,7 +322,7 @@ MainWindow::MainWindow(const QString& cfgfile, bool edit_conf, QWidget *parent)
     connect(iq_tool, SIGNAL(startRecording(QString, QString)), remote, SLOT(startIqRecorder(QString, QString)));
     connect(iq_tool, SIGNAL(stopRecording()), this, SLOT(stopIqRecording()));
     connect(iq_tool, SIGNAL(stopRecording()), remote, SLOT(stopIqRecorder()));
-    connect(iq_tool, SIGNAL(startPlayback(QString,float,qint64)), this, SLOT(startIqPlayback(QString,float,qint64)));
+    connect(iq_tool, SIGNAL(startPlayback(QString,float,qint64,bool)), this, SLOT(startIqPlayback(QString,float,qint64,bool)));
     connect(iq_tool, SIGNAL(stopPlayback()), this, SLOT(stopIqPlayback()));
     connect(iq_tool, SIGNAL(seek(qint64)), this,SLOT(seekIqFile(qint64)));
 
@@ -1715,7 +1715,8 @@ void MainWindow::stopIqRecording()
         ui->statusBar->showMessage(tr("I/Q data recoding stopped"), 5000);
 }
 
-void MainWindow::startIqPlayback(const QString& filename, float samprate, qint64 center_freq)
+void MainWindow::startIqPlayback(const QString& filename, float samprate,
+                                 qint64 center_freq, bool repeat)
 {
     if (ui->actionDSP->isChecked())
     {
@@ -1729,8 +1730,8 @@ void MainWindow::startIqPlayback(const QString& filename, float samprate, qint64
     auto cf  = center_freq;
     double current_offset = rx->get_filter_offset();
     QString escapedFilename = receiver::escape_filename(filename.toStdString()).c_str();
-    auto devstr = QString("file=%1,rate=%2,freq=%3,throttle=true,repeat=false")
-            .arg(escapedFilename).arg(sri).arg(cf);
+    auto devstr = QString("file=%1,rate=%2,freq=%3,throttle=true,repeat=%4")
+            .arg(escapedFilename).arg(sri).arg(cf).arg(repeat?"true":"false");
 
     qDebug() << __func__ << ":" << devstr;
 
diff --git a/src/applications/gqrx/mainwindow.h b/src/applications/gqrx/mainwindow.h
index 5151bb2c15..f5afd67b40 100644
--- a/src/applications/gqrx/mainwindow.h
+++ b/src/applications/gqrx/mainwindow.h
@@ -197,7 +197,7 @@ private slots:
     /* I/Q playback and recording*/
     void startIqRecording(const QString& recdir, const QString& format);
     void stopIqRecording();
-    void startIqPlayback(const QString& filename, float samprate, qint64 center_freq);
+    void startIqPlayback(const QString& filename, float samprate, qint64 center_freq, bool repeat);
     void stopIqPlayback();
     void seekIqFile(qint64 seek_pos);
 
diff --git a/src/qtgui/iq_tool.cpp b/src/qtgui/iq_tool.cpp
index 6a376d7fcc..7672c9668f 100644
--- a/src/qtgui/iq_tool.cpp
+++ b/src/qtgui/iq_tool.cpp
@@ -129,7 +129,8 @@ void CIqTool::on_playButton_clicked(bool checked)
             ui->listWidget->setEnabled(false);
             ui->recButton->setEnabled(false);
             emit startPlayback(recdir->absoluteFilePath(current_file),
-                               (float)sample_rate, center_freq);
+                               (float)sample_rate, center_freq,
+                               ui->repeat->checkState() == Qt::Checked);
         }
     }
     else
diff --git a/src/qtgui/iq_tool.h b/src/qtgui/iq_tool.h
index dc56bd35a9..efce3b50e8 100644
--- a/src/qtgui/iq_tool.h
+++ b/src/qtgui/iq_tool.h
@@ -64,7 +64,7 @@ class CIqTool : public QDialog
 signals:
     void startRecording(const QString recdir, const QString format);
     void stopRecording();
-    void startPlayback(const QString filename, float samprate, qint64 center_freq);
+    void startPlayback(const QString filename, float samprate, qint64 center_freq, bool repeat);
     void stopPlayback();
     void seek(qint64 seek_pos);
 
diff --git a/src/qtgui/iq_tool.ui b/src/qtgui/iq_tool.ui
index 3485db5bc9..c489a569ba 100644
--- a/src/qtgui/iq_tool.ui
+++ b/src/qtgui/iq_tool.ui
@@ -176,6 +176,16 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QCheckBox" name="repeat">
+       <property name="locale">
+        <locale language="C" country="AnyCountry"/>
+       </property>
+       <property name="text">
+        <string>Repeat</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <spacer name="horizontalSpacer">
        <property name="orientation">