phCaptureInterface.h

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/* ---------------------------------------------------------------------------
    Phission : 
        Realtime Vision Processing System
    
    Copyright (C) 2003-2006 Philip D.S. Thoren (pthoren@cs.uml.edu)
    University of Massachusetts at Lowell,
    Laboratory for Artificial Intelligence and Robotics
    
    This file is part of Phission.

    Phission is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    Phission is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with Phission; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 ---------------------------------------------------------------------------*/
#ifndef _PHCAPTUREINTERFACE_H
#define _PHCAPTUREINTERFACE_H

#include <phStandard.h>
#include <phStdint.h>
#include <phThread.h>
class phLiveObject;

/* ------------------------------------------------------------------------ */
PHAPI(class) phCaptureInterface : public phThread
{
private:
    uint32_t    m_path_size;
    char        *m_path;

    phLiveObject *m_liveSourceOutput;

protected:
    phMutex     m_settings_lock;

    int setLiveSourceOutput ( phLiveObject *liveSourceOutput );
    int setSource           ( phLiveObject *source );
    int setOutput           ( phLiveObject *output );

    /* Below is just an idea, whether it will be used
     * is to be seen */
#if 0
    /* This allows a thread to poll changes to the
     * settings while the capture thread is running.
     * It isn't implemented here. It should be implemented
     * by an inheriting class that should update any
     * thread settings necessary. This should only be
     * called from the thread. */
    virtual int pollSettings();
#endif
    

    /* phThread overloaded functions */
    virtual int setup   (); /* calls the capture object's open */
    virtual int cleanup (); /* calls the capture object's close */
    
public:
    phCaptureInterface();
    virtual ~phCaptureInterface ();

    virtual int         setPath( const char *path  ); 
    virtual const char *getPath( ); 
    
    virtual int open    ( char *path = NULL );
    virtual int close   ();
    virtual int isOpen  ();

    virtual int isCapturing();
  
    phLiveObject *getLiveSourceOutput   ();
    phLiveObject *getSource             ();
    phLiveObject *getOutput             ();
};

#endif /* _PHCAPTUREINTERFACE_H */

Copyright (C) 2002 - 2007

Philip D.S. Thoren ( pthoren@users.sourceforge.net ) University Of Massachusetts at Lowell Robotics Lab

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