|| || || || || || || ||

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ScreenTimeLineVideo.h

Go to the documentation of this file.

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/*******************************************************************************
 *
 * Application: Investigator's Dashboard (MultimediaN project 6)
 * 
 * Screen: TimeLineVideo
 *
 * Primary author(s): Richard van Balen
 *                  : 
 *                  : 
 ******************************************************************************/

#ifndef Impala_Application_IDash_ScreenTimeLineVideo_h
#define Impala_Application_IDash_ScreenTimeLineVideo_h

#include "Core/VideoSet/SegmentationDocument.h"
#include "Visualization/VideoTimeLine.h"
#include "ScreenBase.h"

namespace Impala {
namespace Application {
namespace IDash {


class ScreenTimeLineVideo : public ScreenBase
{
    typedef Core::VideoSet::SegmentationDocument    SegmentationDocument;
    typedef Core::VideoSet::VideoSet                VideoSet;
    typedef Core::Stream::RgbDataSrc                RgbDataSrc;

    typedef Visualization::VideoTimeLine            VideoTimeLine;

public:

    ScreenTimeLineVideo(int w, int h, int id) :
        ScreenBase(w, h)
    {
        InitScreen(id);
    }

    ScreenTimeLineVideo(OglGui::Window *parent, int w, int h,int id) :
        ScreenBase(parent, w, h) 
    {
        InitScreen(id);
    }

    ScreenTimeLineVideo(OglGui::Window *parent, int id) :
        ScreenBase(parent) 
    {
        InitScreen(id);
    }

    void SetSegmentationDoc(SegmentationDocument* segDoc)
    {
        mSegDoc = segDoc;
    }

    virtual void
    HandleActivate()
    {
        int fileId = mSegDoc->CurFileId();
        if (fileId == mCurFile && fileId != -1)
        {
            mVideoTimeLine->VidPlayer()->Stop();
            mVideoTimeLine->VidPlayer()->MoveToFrame(mSegDoc->CurFrame());
            return;
        }
        mCurFile = fileId;
        HandleNewVideo();
    }

    void HandleNewVideo()
    {
        VideoSet* videoSet = mSegDoc->GetSegmentation()->GetVideoSet();
        String relativeVideoPath = videoSet->GetAsPath(mCurFile);
        mVideoTimeLine->OpenVideo("No index: " + relativeVideoPath, 0, 0);
        if (mCurFile == -1)
            return;
        RgbDataSrc* videoRgb = videoSet->GetVideo(mCurFile);
        RgbDataSrc* stripRgb = videoSet->GetVideo(mCurFile);
        if (!CheckValidity(videoRgb, stripRgb))
            return;
        mVideoTimeLine->OpenVideo(relativeVideoPath, videoRgb, stripRgb);
        mVideoTimeLine->VidPlayer()->MoveToFrame(mSegDoc->CurFrame());
    }


protected:

    bool CheckValidity(RgbDataSrc* vRgb, RgbDataSrc* sRgb)
    {
        if (!vRgb || !sRgb || !vRgb->HasIndex() || !sRgb->HasIndex())
        {
            if (vRgb) delete vRgb;
            if (sRgb) delete sRgb;
            return false;
        }
        return true;
    }

private:
    void
    InitScreen(int controlId)
    {
        ILOG_DEBUG("constructing screen TimeLineVideo");
        SetControlId(controlId);
        mCurFile = -1;
        mVideoTimeLine = new VideoTimeLine(this,4,4,W()-8,H()-8);
    }

    SegmentationDocument*   mSegDoc;
    VideoTimeLine*          mVideoTimeLine;

    int                     mCurFile;
    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(ScreenTimeLineVideo, Application.IDash);

}
}
}

#endif

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