refactor: Rename BlackSound to swift::sound

src/sound/selcalplayer.cpp

@@ -0,0 +1,49 @@
+// SPDX-FileCopyrightText: Copyright (C) 2016 swift Project Community / Contributors
+// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
+
+#include "selcalplayer.h"
+#include <QTimer>
+
+using namespace BlackMisc;
+using namespace BlackMisc::Audio;
+using namespace BlackMisc::Aviation;
+using namespace BlackMisc::PhysicalQuantities;
+
+namespace swift::sound
+{
+    CSelcalPlayer::CSelcalPlayer(const CAudioDeviceInfo &device, QObject *parent)
+        : QObject(parent),
+          m_threadedPlayer(new CThreadedTonePairPlayer(this, "CSelcalPlayer", device))
+    {
+        m_threadedPlayer->start();
+    }
+
+    CSelcalPlayer::~CSelcalPlayer()
+    {
+        this->gracefulShutdown();
+    }
+
+    void CSelcalPlayer::gracefulShutdown()
+    {
+        m_threadedPlayer->quitAndWait();
+    }
+
+    CTime CSelcalPlayer::play(int volume, const CSelcal &selcal)
+    {
+        CTime duration = CTime::null();
+        if (selcal.isValid())
+        {
+            const QList<CFrequency> frequencies = selcal.getFrequencies();
+            Q_ASSERT(frequencies.size() == 4);
+            const CTime oneSec(1000.0, CTimeUnit::ms());
+            const CTonePair t1(frequencies.at(0), frequencies.at(1), oneSec);
+            const CTonePair t2({}, {}, oneSec / 5.0);
+            const CTonePair t3(frequencies.at(2), frequencies.at(3), oneSec);
+            QList<CTonePair> tonePairs;
+            tonePairs << t1 << t2 << t3;
+            m_threadedPlayer->play(volume, tonePairs);
+            duration = oneSec * 2.5;
+        }
+        return duration;
+    }
+}