Added backend support for audio buffers (PipeWire)

plugin/AudioImageProvider.h

@@ -0,0 +1,17 @@
+#ifndef AUDIOIMAGEPROVIDER_H
+#define AUDIOIMAGEPROVIDER_H
+#include <QObject>
+#include <QPixmap>
+#include <QQuickImageProvider>
+
+#include "AudioModel.h"
+
+class AudioImageProvider : public QQuickImageProvider
+{
+    public:
+        explicit AudioImageProvider();
+
+        QPixmap requestPixmap(const QString &id, QSize *size, const QSize &requestedSize) override;
+};
+
+#endif