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