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#ifndef __CUVID_VIDEO_SOURCE_HPP__
#define __CUVID_VIDEO_SOURCE_HPP__

#include <nvcuvid.h>

#include "opencv2/core/private.cuda.hpp"
#include "opencv2/cudacodec.hpp"
#include "video_source.hpp"

namespace cv { namespace cudacodec { namespace detail
{

class CuvidVideoSource : public VideoSource
{
public:
    explicit CuvidVideoSource(const String& fname);
    ~CuvidVideoSource();

    FormatInfo format() const;
    void start();
    void stop();
    bool isStarted() const;
    bool hasError() const;

private:
    // Callback for handling packages of demuxed video data.
    //
    // Parameters:
    //      pUserData - Pointer to user data. We must pass a pointer to a
    //          VideoSourceData struct here, that contains a valid CUvideoparser
    //          and FrameQueue.
    //      pPacket - video-source data packet.
    //
    // NOTE: called from a different thread that doesn't not have a cuda context
    //
    static int CUDAAPI HandleVideoData(void* pUserData, CUVIDSOURCEDATAPACKET* pPacket);

    CUvideosource videoSource_;
    FormatInfo format_;
};

}}}

#endif // __CUVID_VIDEO_SOURCE_HPP__