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ThreadBookmarked.h

Go to the documentation of this file.

#ifndef Impala_Core_Trec_ThreadBookmarked_h
#define Impala_Core_Trec_ThreadBookmarked_h

#include "Core/Trec/Thread.h"
#include "Core/VideoSet/TableShots.h"
#include "Core/Column/Find.h"

namespace Impala {
namespace Core {
namespace Trec {

class ThreadBookmarked : public Thread
{
public:

    ThreadBookmarked(VideoSet::TableShots* bookmarked,
                     String threadName = "bookmarked") :
        Thread(threadName)
    {
        mBookmarked = bookmarked;

        if (!mBookmarked)
        {
            ILOG_DEBUG("Using internal TableShots for " << mName);
            mBookmarked = new VideoSet::TableShots();
        }
    }

    virtual int
    GetShot(int position)
    {
        if ((position < 0) || (position >= mBookmarked->Size()))
            return -1;
        return mBookmarked->Get1(position);
    }

    virtual int
    GetLength()
    {
        return mBookmarked->Size();
    }

    virtual int
    GetShotAt(int shot, int offset)
    {
        int r = Column::Find(mBookmarked->GetColumn1(), shot, 0,
                                mBookmarked->Size());
        int dst = r + offset;
        if ((dst < 0) || (dst >= mBookmarked->Size()))
            return -1;
        return mBookmarked->Get1(dst);
    }

    virtual int
    GetShotPosition(int shot)
    {
        int r = Column::Find(mBookmarked->GetColumn1(), shot, 0,
                                mBookmarked->Size());
        if (r >= mBookmarked->Size())
            return -1;
        return r;
    }

    VideoSet::TableShots*
    GetBookmarkTable()
    {
        return mBookmarked;
    }

    virtual int
    GetType()
    {
        return BOOKMARK;
    }

    void
    Clear()
    {
        mBookmarked->SetEmpty();
    }
    

    void
    AddShot(int shotid, int keyframe)
    {
        Geometry::Rectangle r;
        if (GetShotPosition(shotid) >= 0) {
            ILOG_DEBUG(mName << ":AddShot(" << shotid << ", " << keyframe <<
                       ") already selected, skipping.");
            return;
        }
        //ILOG_DEBUG(mName << ":AddShot(" << shotid << ", " << keyframe <<")");
        mBookmarked->Add(shotid, keyframe, "", r);
    }

    void
    RemoveShot(int shotid)
    {
        int row = Core::Column::Find(mBookmarked->GetColumn1(), shotid,
                                     0, mBookmarked->Size());
        if (row >= 0)
        {
            Core::Table::RemoveRow(mBookmarked, row);
            //ILOG_DEBUG(mName << ":RemoveShot(" << shotid <<"): " <<
            //           "removing row " << row);
        }
    }

private:

    VideoSet::TableShots* mBookmarked;

    ILOG_VAR_DEC;

};

ILOG_VAR_INIT(ThreadBookmarked, Core.Trec);

} // namespace Trec
} // namespace Core
} // namespace Impala

#endif

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