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// { dg-do compile }

typedef struct {

} IppLibraryVersion;

typedef unsigned char Ipp8u;

typedef unsigned int Ipp32u;

typedef signed int Ipp32s;

typedef enum e_vm_Status {

    VM_OK = 0,     VM_OPERATION_FAILED =-999,     VM_NOT_INITIALIZED =-998,     VM_TIMEOUT =-987,     VM_NOT_ENOUGH_DATA =-996,      VM_NULL_PTR =-995,     VM_SO_CANT_LOAD =-994,     VM_SO_INVALID_HANDLE =-993,     VM_SO_CANT_GET_ADDR =-992 }

    vm_status;

    typedef Ipp32s Status;

    class MediaReceiver {

    };

class MediaBuffer : public MediaReceiver {

};

struct TrackInfo {

};

struct Mpeg2TrackInfo : public TrackInfo     {

};

class BitstreamReader     {

public:          BitstreamReader(void);

                 virtual ~BitstreamReader(void) {

                 }

                 Ipp32u GetBits(Ipp32s iNum);

                 void SkipBits(Ipp32s iNum);

protected:          virtual void Refresh(void);

                    Ipp32s m_iReadyBits;

};

class FrameConstructor : public MediaBuffer     {

};

class VideoFrameConstructor : public FrameConstructor     {

};

class Mpeg2FrameConstructor : public VideoFrameConstructor     {

    static Status ParsePictureHeader(Ipp8u *buf, Ipp32s iLen, Mpeg2TrackInfo *pInfo);

};

Status Mpeg2FrameConstructor::ParsePictureHeader(Ipp8u *buf, Ipp32s iLen, Mpeg2TrackInfo *pInfo) {

    BitstreamReader bs;

    bs.SkipBits(32 + 4 + 4 + 4 + 4 + 4 + 2);

    bs.SkipBits(1 + 1 + 1 + 1 + 1 + 1 + 1);

    bs.SkipBits(5);

    bs.SkipBits(3);

    Ipp8u source_format;

    bs.SkipBits(22);

    bs.SkipBits(8);

    if (7 == source_format)     {

        Ipp8u ufep = (Ipp8u)bs.GetBits(3);

        if (0x01 == ufep)         {

            bs.SkipBits(10);

        }

    }

}

void BitstreamReader::SkipBits(Ipp32s iNum) {

    if (iNum <= m_iReadyBits)     {

        m_iReadyBits -= iNum;

        Refresh();

    }

}

void BitstreamReader::Refresh(void) { }