Viewing file:  pr45874.C (1.72 KB) -rw-r--r--
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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);
}
}
return Status();
}
void BitstreamReader::SkipBits(Ipp32s iNum) {
if (iNum <= m_iReadyBits) {
m_iReadyBits -= iNum;
Refresh();
}
}
void BitstreamReader::Refresh(void) { }
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