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111
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1 // { dg-do compile }
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2
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3 typedef struct {
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4 } IppLibraryVersion;
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5 typedef unsigned char Ipp8u;
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6 typedef unsigned int Ipp32u;
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7 typedef signed int Ipp32s;
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8 typedef enum e_vm_Status {
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9 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 }
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10 vm_status;
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11 typedef Ipp32s Status;
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12 class MediaReceiver {
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13 };
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14 class MediaBuffer : public MediaReceiver {
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15 };
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16 struct TrackInfo {
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17 };
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18 struct Mpeg2TrackInfo : public TrackInfo {
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19 };
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20 class BitstreamReader {
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21 public: BitstreamReader(void);
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22 virtual ~BitstreamReader(void) {
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23 }
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24 Ipp32u GetBits(Ipp32s iNum);
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25 void SkipBits(Ipp32s iNum);
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26 protected: virtual void Refresh(void);
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27 Ipp32s m_iReadyBits;
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28 };
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29 class FrameConstructor : public MediaBuffer {
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30 };
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31 class VideoFrameConstructor : public FrameConstructor {
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32 };
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33 class Mpeg2FrameConstructor : public VideoFrameConstructor {
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34 static Status ParsePictureHeader(Ipp8u *buf, Ipp32s iLen, Mpeg2TrackInfo *pInfo);
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35 };
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36 Status Mpeg2FrameConstructor::ParsePictureHeader(Ipp8u *buf, Ipp32s iLen, Mpeg2TrackInfo *pInfo) {
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37 BitstreamReader bs;
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38 bs.SkipBits(32 + 4 + 4 + 4 + 4 + 4 + 2);
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39 bs.SkipBits(1 + 1 + 1 + 1 + 1 + 1 + 1);
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40 bs.SkipBits(5);
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41 bs.SkipBits(3);
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42 Ipp8u source_format;
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43 bs.SkipBits(22);
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44 bs.SkipBits(8);
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45 if (7 == source_format) {
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46 Ipp8u ufep = (Ipp8u)bs.GetBits(3);
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47 if (0x01 == ufep) {
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48 bs.SkipBits(10);
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49 }
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50 }
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131
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51 return Status();
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111
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52 }
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53 void BitstreamReader::SkipBits(Ipp32s iNum) {
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54 if (iNum <= m_iReadyBits) {
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55 m_iReadyBits -= iNum;
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56 Refresh();
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57 }
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58 }
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59 void BitstreamReader::Refresh(void) { }
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