/usr/include/ossim/video/ossimVideoImageSource.h is in libossim-dev 1.8.16-3+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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:
//! Contains class declaration for ossimVideoImageSource. This is the ossimImageSource-derived
//! class representing a single frame in a video stream.
//*************************************************************************************************
class OSSIMDLLEXPORT ossimVideoImageSource : public ossimImageSource
{
public:
//! Sets the time stamp (in seconds from start of video) for the frame of interest. This will
//! necessarily change the image geometry.
//! Returns false if frame time is outside of allowable range.
virtual bool setFrameTime(const double& t);
//! Changes the frame to the new index (frame count from start of video). This will necessarily
//! change the image geometry.
//! Returns false if frame count is outside of allowable range.
//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(); }
//! Currently assuming all videos are 8-bit RGB.
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();
//! From ossimConnectableObject base class. Returns true if object is an ossimVideoSource.
virtual bool canConnectMyInputTo(ossim_int32 index, const ossimConnectableObject* object) const;
//! Video frames have no overviews, only full-res.
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:
//! Constructor used when accessing a common video object (versus instantiating a new video for
//! each frame.
ossimVideoImageSource(ossimVideoSource* video,
const double& frame_time_seconds = 0);
ossimVideoImageSource();
virtual void initialize();
double m_frameTime; //!< seconds from start of video
ossimIrect m_frameRect; //!< Always (0,0) based
ossimRefPtr<ossimImageData> m_tile;
TYPE_DATA
};
#endif
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