vcs.maemo.org Git - opencv/blob - cvaux/src/vs/blobtrackgenyml.cpp

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  40
  41 #include "_cvaux.h"
  42
  43 typedef struct DefBlobTrack
  44 {
  45     CvBlob      blob;
  46     CvBlobSeq*  pSeq;
  47     int         FrameBegin;
  48     int         FrameLast;
  49     int         Saved; /* flag */
  50 } DefBlobTrack;
  51
  52 class CvBlobTrackGenYML:public CvBlobTrackGen
  53 {
  54 protected:
  55     int         m_Frame;
  56     char*       m_pFileName;
  57     CvBlobSeq   m_TrackList;
  58     CvSize      m_Size;
  59
  60     void SaveAll()
  61     {
  62         int     ObjNum = m_TrackList.GetBlobNum();
  63         int     i;
  64         char    video_name[1024];
  65         char*   struct_name = NULL;
  66         CvFileStorage* storage = cvOpenFileStorage(m_pFileName,NULL,CV_STORAGE_WRITE_TEXT);
  67
  68         if(storage==NULL)
  69         {
  70             printf("WARNING!!! Cannot open %s file for trajectory output.", m_pFileName);
  71         }
  72
  73         for(i=0; i<1024 && m_pFileName[i]!='.' && m_pFileName[i]!=0; ++i) video_name[i]=m_pFileName[i];
  74         video_name[i] = 0;
  75
  76         for(;i>0; i--)
  77         {
  78             if(video_name[i-1] == '\\') break;
  79             if(video_name[i-1] == '/') break;
  80             if(video_name[i-1] == ':') break;
  81         }
  82         struct_name = video_name + i;
  83
  84         cvStartWriteStruct(storage, struct_name, CV_NODE_SEQ);
  85
  86         for(i=0; i<ObjNum; ++i)
  87         {
  88             char            obj_name[1024];
  89             DefBlobTrack*   pTrack = (DefBlobTrack*)m_TrackList.GetBlob(i);
  90             if(pTrack==NULL) continue;
  91             sprintf(obj_name,"%s_obj%d",struct_name,i);
  92             cvStartWriteStruct(storage, NULL, CV_NODE_MAP);
  93             cvWriteInt(storage, "FrameBegin", pTrack->FrameBegin);
  94             cvWriteString(storage, "VideoObj", obj_name);
  95             cvEndWriteStruct( storage );
  96             pTrack->Saved = 1;
  97         }
  98         cvEndWriteStruct( storage );
  99
 100         for(i=0;i<ObjNum;++i)
 101         {
 102             char            obj_name[1024];
 103             DefBlobTrack*   pTrack = (DefBlobTrack*)m_TrackList.GetBlob(i);
 104             CvBlobSeq*      pSeq = pTrack->pSeq;
 105             sprintf(obj_name,"%s_obj%d",struct_name,i);
 106             cvStartWriteStruct(storage, obj_name, CV_NODE_MAP);
 107
 108             {   /* Write position: */
 109                 int             j;
 110                 CvPoint2D32f    p;
 111                 cvStartWriteStruct(storage, "Pos", CV_NODE_SEQ|CV_NODE_FLOW);
 112                 for(j=0;j<pSeq->GetBlobNum();++j)
 113                 {
 114                     CvBlob* pB = pSeq->GetBlob(j);
 115                     p.x = pB->x/(m_Size.width-1);
 116                     p.y = pB->y/(m_Size.height-1);
 117                     cvWriteRawData(storage, &p, 1 ,"ff");
 118                 }
 119                 cvEndWriteStruct( storage );
 120             }
 121
 122             {   /* Write size: */
 123                 int             j;
 124                 CvPoint2D32f    p;
 125                 cvStartWriteStruct(storage, "Size", CV_NODE_SEQ|CV_NODE_FLOW);
 126
 127                 for(j=0; j<pSeq->GetBlobNum(); ++j)
 128                 {
 129                     CvBlob* pB = pSeq->GetBlob(j);
 130                     p.x = pB->w/(m_Size.width-1);
 131                     p.y = pB->h/(m_Size.height-1);
 132                     cvWriteRawData(storage, &p, 1 ,"ff");
 133                 }
 134                 cvEndWriteStruct( storage );
 135             }
 136             cvEndWriteStruct( storage );
 137         }
 138         cvReleaseFileStorage(&storage);
 139
 140     }   /* Save All */
 141
 142 public:
 143     CvBlobTrackGenYML():m_TrackList(sizeof(DefBlobTrack))
 144     {
 145         m_Frame = 0;
 146         m_pFileName = NULL;
 147         m_Size = cvSize(2,2);
 148     };
 149
 150     ~CvBlobTrackGenYML()
 151     {
 152         int i;
 153         SaveAll();
 154
 155         for(i=m_TrackList.GetBlobNum(); i>0; --i)
 156         {
 157             DefBlobTrack* pTrack = (DefBlobTrack*)m_TrackList.GetBlob(i-1);
 158             /* Delete sequence: */
 159             delete pTrack->pSeq;
 160             pTrack->pSeq = NULL;
 161         }   /* Check next track. */
 162
 163     }   /* Destructor. */
 164
 165     void    SetFileName(char* pFileName){m_pFileName = pFileName;};
 166     void    AddBlob(CvBlob* pBlob)
 167     {
 168         DefBlobTrack* pTrack = (DefBlobTrack*)m_TrackList.GetBlobByID(CV_BLOB_ID(pBlob));
 169
 170         if(pTrack==NULL)
 171         {   /* Add new track: */
 172             DefBlobTrack    Track;
 173             Track.blob = pBlob[0];
 174             Track.FrameBegin = m_Frame;
 175             Track.pSeq = new CvBlobSeq;
 176             Track.Saved = 0;
 177             m_TrackList.AddBlob((CvBlob*)&Track);
 178             pTrack = (DefBlobTrack*)m_TrackList.GetBlobByID(CV_BLOB_ID(pBlob));
 179         }   /* Add new track. */
 180
 181         assert(pTrack);
 182         pTrack->FrameLast = m_Frame;
 183         assert(pTrack->pSeq);
 184         pTrack->pSeq->AddBlob(pBlob);
 185     };
 186     void    Process(IplImage* pImg = NULL, IplImage* /*pFG*/ = NULL)
 187     {
 188         int i;
 189         m_Size = cvSize(pImg->width,pImg->height);
 190
 191         for(i=m_TrackList.GetBlobNum(); i>0; --i)
 192         {
 193             DefBlobTrack* pTrack = (DefBlobTrack*)m_TrackList.GetBlob(i-1);
 194
 195             if(pTrack->FrameLast < m_Frame && !pTrack->Saved)
 196             {   /* Save track: */
 197                 SaveAll();
 198             }   /* Save track. */
 199
 200         }   /* Check next track. */
 201
 202         m_Frame++;
 203     }
 204
 205     void Release()
 206     {
 207         delete this;
 208     }
 209 };  /* class CvBlobTrackGenYML */
 210
 211
 212 CvBlobTrackGen* cvCreateModuleBlobTrackGenYML()
 213 {
 214     return (CvBlobTrackGen*) new CvBlobTrackGenYML;
 215 }
 216
 217