Added simple QT-based grabber.

Moved ImageToLedsMap from include to libsrc.
Moved instantiation of objects to Hyperion (no JSON required outside this class).

include/hyperion/PriorityMuxer.h

@@ -0,0 +1,55 @@
+#pragma once
+
+// STL includes
+#include <vector>
+#include <map>
+#include <cstdint>
+#include <limits>
+
+// QT includes
+#include <QMap>
+
+// Utils includes
+#include <utils/RgbColor.h>
+
+// Hyperion includes
+#include <hyperion/LedDevice.h>
+
+class PriorityMuxer
+{
+public:
+	struct InputInfo
+	{
+		int priority;
+
+		int64_t timeoutTime_ms;
+		std::vector<RgbColor> ledColors;
+	};
+
+	PriorityMuxer();
+
+	~PriorityMuxer();
+
+	int getCurrentPriority() const;
+
+	bool hasPriority(const int priority) const;
+
+	QList<int> getPriorities() const;
+
+	const InputInfo& getInputInfo(const int priority) const;
+
+	void setInput(const int priority, const std::vector<RgbColor>& ledColors, const int64_t timeoutTime_ms=-1);
+
+	void clearInput(const int priority);
+
+	void clearAll();
+
+	void setCurrentTime(const int64_t& now);
+
+private:
+	int mCurrentPriority;
+
+	QMap<int, InputInfo> mActiveInputs;
+
+	const static int MAX_PRIORITY = std::numeric_limits<int>::max();
+};