#ifndef FFCONV_SCALER_H
#define FFCONV_SCALER_H

#include "Frame.h"
#include "Codec.h"

extern "C" {
	#include <libswscale/swscale.h>
}

namespace ffcpp {

    typedef std::shared_ptr<class Scaler> ScalerPtr;

	class Scaler {
	private:
		SwsContext* _swsContext;
		int _dstHeight;
		int _dstWidth;
		AVPixelFormat _dstPixFmt;

	public:
		Scaler(int srcWidth, int srcHeight, AVPixelFormat srcPixFmt, int dstWidth, int dstHeight, AVPixelFormat dstPixFmt);
		Scaler(CodecPtr decoder, CodecPtr encoder);
		FramePtr scale(FramePtr inFrame);
		static bool needScaling(CodecPtr decoder, CodecPtr encoder);
	};

}

#endif //FFCONV_SCALER_H