/usr/include/ossim/video/ossimVideoHandler.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, GeoEye Inc.
//
// DESCRIPTION:
//
//**************************************************************************************************
// $Id: ossimVideoHandler.h 2650 2011-05-27 16:53:41Z oscar.kramer $
#ifndef ossimVideoHandler_HEADER
#define ossimVideoHandler_HEADER
#include <ossim/base/ossimRefPtr.h>
#include <ossim/video/ossimVideoSource.h>
#include <ossim/base/ossimFilename.h>
#include <ossim/base/ossimIpt.h>
#include <ossim/video/ossimVideoGeometry.h>
//*************************************************************************************************
//! Pure virtual base class for all video file handlers -- analogous to ossimImageHandler.
//*************************************************************************************************
class OSSIMDLLEXPORT ossimVideoHandler : public ossimVideoSource
{
public:
//*************************************************************************************************
// The following are first declared here in ossimVideoHandler
//*************************************************************************************************
//! Returns TRUE if video file named is successfully opened.
virtual bool open(const ossimFilename& videoFile);
//! Returns TRUE if video file at m_videoFilename is successfully opened.
virtual bool open() = 0;
//! Closes video file.
virtual void close() = 0;
//! Returns TRUE if video file is open.
virtual bool isOpen() const = 0;
//! Returns filename of previously opened video file.
const ossimFilename& filename() const { return m_videoFilename; }
//**********************************************************************************************
// The following are implementations of ossimVideoSource virtuals:
//**********************************************************************************************
//! For rewinding all active streams to beginning.
virtual void rewind();
//! Seeks to the frame at time specified, according to the seekType (relative to active frame or
//! absolute time from start of video).
virtual bool seek(ossim_float64 reference_time_sec, SeekType seekType) = 0;
//! Access to video geometry object.
virtual const ossimRefPtr<ossimVideoGeometry> getVideoGeometry() const {return m_videoGeometry;}
//! Time in seconds from start of video of the current active frame, or NAN if no active frame.
ossim_float64 currentFrameTime() const { return m_currentFrameTime; }
//! Nominal frames per second.
ossim_float64 videoFrameRate() const { return m_frameRate; };
//! Total length of video in seconds.
ossim_float64 duration() const { return m_videoDuration; }
//**********************************************************************************************
// The following are implementations of ossimConnectableObject virtuals:
//**********************************************************************************************
//! This object does not accept inputs.
virtual bool canConnectMyInputTo(ossim_int32, const ossimConnectableObject*) const {return false;}
protected:
//! Default constructor.
ossimVideoHandler();
ossimFilename m_videoFilename;
ossimRefPtr<ossimVideoGeometry> m_videoGeometry;
ossim_float64 m_currentFrameTime; //!< in seconds from start of video
mutable ossim_float64 m_videoDuration; //!< in seconds
ossim_float64 m_frameRate; //!< in frames per second
TYPE_DATA
};
#endif
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