feat: skip two-way copy for cuda devices when decoding video wallpapers + cache wallpapers as blobs in new database

Plugins/ZShell/Models/filesystemmodel.hpp

@@ -4,7 +4,9 @@
 #include <qdir.h>
 #include <qfilesystemwatcher.h>
 #include <qfuture.h>
+#include <qhash.h>
 #include <qimagereader.h>
+#include <qmutex.h>
 #include <qmimedatabase.h>
 #include <qobject.h>
 #include <qqmlintegration.h>
@@ -29,8 +31,7 @@ class FileSystemEntry : public QObject {
 	Q_PROPERTY(bool isDir READ isDir CONSTANT)
 	Q_PROPERTY(bool isImage READ isImage CONSTANT)
 	Q_PROPERTY(bool isVideo READ isVideo CONSTANT)
-	Q_PROPERTY(
-		QString thumbnailPath READ thumbnailPath NOTIFY thumbnailPathChanged)
+	Q_PROPERTY(QString thumbnailPath READ thumbnailPath CONSTANT)
 	Q_PROPERTY(QString mimeType READ mimeType CONSTANT)
 
 	public:
@@ -52,20 +53,16 @@ class FileSystemEntry : public QObject {
 	[[nodiscard]] QString thumbnailPath() const;
 	[[nodiscard]] QString mimeType() const;
 
-	void setThumbnailPath(const QString& path);
-
 	void updateRelativePath(const QDir& dir);
 
 	signals:
 	void relativePathChanged();
-	void thumbnailPathChanged();
 
 	private:
 	const QFileInfo m_fileInfo;
 
 	const QString m_path;
 	QString m_relativePath;
-	QString m_thumbnailPath;
 
 	mutable bool m_isImage;
 	mutable bool m_isImageInitialised;
@@ -94,6 +91,9 @@ class FileSystemModel : public QAbstractListModel {
 	Q_PROPERTY(
 		QStringList nameFilters READ nameFilters WRITE setNameFilters NOTIFY
 			nameFiltersChanged)
+	Q_PROPERTY(
+		bool requireHardwareCodec READ requireHardwareCodec WRITE
+			setRequireHardwareCodec NOTIFY requireHardwareCodecChanged)
 
 	Q_PROPERTY(
 		QQmlListProperty<ZShell::models::FileSystemEntry> entries READ entries
@@ -132,6 +132,9 @@ class FileSystemModel : public QAbstractListModel {
 	[[nodiscard]] QStringList nameFilters() const;
 	void setNameFilters(const QStringList& nameFilters);
 
+	[[nodiscard]] bool requireHardwareCodec() const;
+	void setRequireHardwareCodec(bool requireHardwareCodec);
+
 	[[nodiscard]] QQmlListProperty<FileSystemEntry> entries();
 
 	signals:
@@ -142,6 +145,7 @@ class FileSystemModel : public QAbstractListModel {
 	void sortReverseChanged();
 	void filterChanged();
 	void nameFiltersChanged();
+	void requireHardwareCodecChanged();
 	void entriesChanged();
 
 	private:
@@ -157,6 +161,10 @@ class FileSystemModel : public QAbstractListModel {
 	bool m_sortReverse;
 	Filter m_filter;
 	QStringList m_nameFilters;
+	bool m_requireHardwareCodec = false;
+
+	QHash<QString, bool> m_codecCache;
+	QMutex m_codecMutex;
 
 	void watchDirIfRecursive(const QString& path);
 	void update();
@@ -165,7 +173,7 @@ class FileSystemModel : public QAbstractListModel {
 	void updateEntriesForDir(const QString& dir);
 	void applyChanges(
 		const QSet<QString>& removedPaths, const QSet<QString>& addedPaths);
-	void startThumbnailGeneration(FileSystemEntry* entry);
+	[[nodiscard]] bool isHardwareVideo(const QString& path);
 	[[nodiscard]] bool compareEntries(
 		const FileSystemEntry* a, const FileSystemEntry* b) const;
 };