Fix Qt Deprecations (#6386)

Co-authored-by: Kevin Zander <veratil@gmail.com>
Co-authored-by: Dominic Clark <mrdomclark@gmail.com>

include/AudioEngine.h

@@ -26,6 +26,11 @@
 #define AUDIO_ENGINE_H
 
 #include <QMutex>
+
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	#include <QRecursiveMutex>
+#endif
+
 #include <QThread>
 #include <QVector>
 #include <QWaitCondition>
@@ -464,7 +469,11 @@ private:
 	bool m_changesSignal;
 	unsigned int m_changes;
 	QMutex m_changesMutex;
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	QRecursiveMutex m_doChangesMutex;
+#else
 	QMutex m_doChangesMutex;
+#endif
 	QMutex m_waitChangesMutex;
 	QWaitCondition m_changesAudioEngineCondition;
 	QWaitCondition m_changesRequestCondition;

include/AutomationClip.h

@@ -29,6 +29,9 @@
 
 #include <QMap>
 #include <QPointer>
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	#include <QRecursiveMutex>
+#endif
 
 #include "AutomationNode.h"
 #include "Clip.h"
@@ -189,7 +192,11 @@ private:
 
 	// Mutex to make methods involving automation clips thread safe
 	// Mutable so we can lock it from const objects
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	mutable QRecursiveMutex m_clipMutex;
+#else
 	mutable QMutex m_clipMutex;
+#endif
 
 	AutomationTrack * m_autoTrack;
 	QVector<jo_id_t> m_idsToResolve;

include/FileBrowser.h

@@ -29,6 +29,9 @@
 #include <QCheckBox>
 #include <QDir>
 #include <QMutex>
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	#include <QRecursiveMutex>
+#endif
 #include <QTreeWidget>
 
 
@@ -140,7 +143,12 @@ private:
 
 	//! This should only be accessed or modified when m_pphMutex is held
 	PlayHandle* m_previewPlayHandle;
+	
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	QRecursiveMutex m_pphMutex;
+#else
 	QMutex m_pphMutex;
+#endif
 
 	QList<QAction*> getContextActions(FileItem* item, bool songEditor);
 

include/RemotePlugin.h

@@ -28,6 +28,10 @@
 #include "RemotePluginBase.h"
 #include "SharedMemory.h"
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	#include <QRecursiveMutex>
+#endif
+
 namespace lmms
 {
 
@@ -158,7 +162,11 @@ private:
 	QString m_exec;
 	QStringList m_args;
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+	QRecursiveMutex m_commMutex;
+#else
 	QMutex m_commMutex;
+#endif
 	bool m_splitChannels;
 
 	SharedMemory<float[]> m_audioBuffer;