Move hw->sw frame mapping into a separate class

app/streaming/video/ffmpeg-renderers/swframemapper.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "renderer.h"
+
+class SwFrameMapper
+{
+public:
+    explicit SwFrameMapper(IFFmpegRenderer* renderer);
+    void setVideoFormat(int videoFormat);
+    AVFrame* getSwFrameFromHwFrame(AVFrame* hwFrame);
+
+private:
+    bool initializeReadBackFormat(AVBufferRef* hwFrameCtxRef, AVFrame* testFrame);
+
+    IFFmpegRenderer* m_Renderer;
+    int m_VideoFormat;
+    enum AVPixelFormat m_SwPixelFormat;
+    bool m_MapFrame;
+};