ossimVideoImageSource.h

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//*************************************************************************************************
// OSSIM -- Open Source Software Image Map
//
// LICENSE: See top level LICENSE.txt file.
//
//  AUTHOR: Oscar Kramer
//
//*************************************************************************************************
//  $Id: ossimVideoImageSource.h 2695 2011-06-08 21:12:15Z oscar.kramer $
#ifndef ossimVideoImageSource_HEADER
#define ossimVideoImageSource_HEADER

#include <ossim/base/ossimConstants.h>
#include <ossim/base/ossimRefPtr.h>
#include <ossim/base/ossimIrect.h>
#include <ossim/imaging/ossimImageSource.h>
#include <ossim/imaging/ossimImageSource.h>

class ossimVideoSource;
class ossimVideoGeometry;

//*************************************************************************************************
//  CLASS DESCRIPTION: 
//*************************************************************************************************
class OSSIMDLLEXPORT ossimVideoImageSource : public ossimImageSource
{
public:
   virtual bool setFrameTime(const double& t);

   //virtual bool setFrameNumber(ossim_uint32 frame_number);

   virtual ossim_uint32 getNumberOfLines(ossim_uint32 resLevel = 0) const;
   virtual ossim_uint32 getNumberOfSamples(ossim_uint32 resLevel = 0) const;
   virtual ossim_uint32 getImageTileWidth() const { return getNumberOfSamples(); }
   virtual ossim_uint32 getImageTileHeight() const { return getNumberOfLines(); }

   virtual ossim_uint32    getNumberOfInputBands()  const { return 3; } 
   virtual ossim_uint32    getNumberOfOutputBands() const { return 3; } 
   virtual ossimScalarType getOutputScalarType()    const { return OSSIM_UINT8; }

   virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& rect, ossim_uint32 resLevel=0)=0;

   virtual ossimRefPtr<ossimImageGeometry> getImageGeometry();

   virtual bool canConnectMyInputTo(ossim_int32 index, const ossimConnectableObject* object) const;

   virtual ossim_uint32 getNumberOfDecimationLevels() const { return 1; }
   virtual void getDecimationFactor(ossim_uint32 resLevel, ossimDpt& result) const;
   virtual void getDecimationFactors(std::vector<ossimDpt>& decimations) const;

protected:
   ossimVideoImageSource(ossimVideoSource* video, 
                          const double& frame_time_seconds = 0);

   ossimVideoImageSource();
   virtual void initialize();

   double                        m_frameTime;  
   ossimIrect                    m_frameRect; 
   ossimRefPtr<ossimImageData>   m_tile;

   TYPE_DATA
};

#endif