class VideoProvider {
public:
	virtual ~VideoProvider() {}

	virtual void RefreshSubtitles()=0;		// Refresh subtitles display
	virtual void AttachOverlay(SubtitleProvider::Overlay *overlay) = 0;

	virtual wxBitmap GetFrame(int n)=0;						// Get frame as bitmap
	virtual void GetFloatFrame(float* Buffer, int n)=0;		// Get frame as float (for FexTracker)

	virtual int GetPosition()=0;			// Get the current frame being displayed
	virtual int GetFrameCount()=0;			// Get total number of frames
	virtual double GetFPS()=0;				// Get framerate in frames per second

	virtual void SetDAR(double dar)=0;		// Set display aspect ratio (width/height)
	virtual void SetZoom(double zoom)=0;	// Set zoom factor
	virtual int GetWidth()=0;				// Returns the display width in pixels
	virtual int GetHeight()=0;				// Returns the display height in pixels
	virtual double GetZoom()=0;				// Returns the zoom factor

	virtual int GetSourceWidth()=0;			// Returns the original source width in pixels
	virtual int GetSourceHeight()=0;		// Returns the original source height in pixels

	static VideoProvider *GetProvider(wxString video,wxString subtitles);
};