this feature will not last very long, its too hard to maintain, sometimes segfaults when encoder is finised or stops ?

moved into seperate folder, and cleaned up some components

src/engine/encoder/TrackEncoder.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "ReencodeJob.h"  
+#include <atomic>
+
+namespace engine {
+
+class TrackEncoder
+{
+public:
+    explicit TrackEncoder(const std::atomic<bool> &stopFlag);
+
+    bool encode(ReencodeJob &job) const;
+
+private:
+    const std::atomic<bool> &m_stop;
+};
+
+} // namespace engine