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/*-----------------------------------------------------------------
GEM - Graphics Environment for Multimedia
Load an video into a pix block
Copyright (c) 1997-1999 Mark Danks. mark@danks.org
Copyright (c) GÃŒnther Geiger. geiger@epy.co.at
Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
-----------------------------------------------------------------*/
#ifndef _INCLUDE_GEMPLUGIN__VIDEOUNICAP_VIDEOUNICAP_H_
#define _INCLUDE_GEMPLUGIN__VIDEOUNICAP_VIDEOUNICAP_H_
#include "plugins/videoBase.h"
#if defined HAVE_LIBUNICAP && !defined HAVE_UNICAP
# define HAVE_UNICAP
#endif
#ifdef HAVE_UNICAP
#include <map>
# define private unicap_private
# include <unicap.h>
# undef private
# include "Gem/ThreadMutex.h"
#endif
/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
pix_video
grabs a video via UNICAP (http://unicap-imaging.org/)
KEYWORDS
pix
-----------------------------------------------------------------*/
namespace gem { namespace plugins {
class GEM_EXPORT videoUNICAP : public videoBase {
public:
//////////
// Constructor
videoUNICAP(void);
//////////
// Destructor
virtual ~videoUNICAP(void);
#ifdef HAVE_UNICAP
////////
// open the video-device
virtual bool openDevice(gem::Properties&writeprops);
virtual void closeDevice(void);
//////////
// Start up the video device
// [out] int - returns 0 if bad
virtual bool startTransfer(void);
//////////
// Stop the video device
// [out] int - returns 0 if bad
virtual bool stopTransfer(void);
//////////
// get the next frame
virtual pixBlock *getFrame(void);
virtual void releaseFrame(void);
//////////
// Set the video properties
virtual bool setColor(int);
virtual bool defaultFormat(void);
virtual std::vector<std::string>enumerate(void);
virtual bool enumProperties(gem::Properties&readable,
gem::Properties&writeable);
virtual void setProperties(gem::Properties&writeprops);
virtual void getProperties(gem::Properties&readprops);
protected:
std::vector<unicap_device_t>m_devices;
std::map<std::string, std::vector<unsigned int> >m_name2devices;
unicap_handle_t m_handle;
void newFrame (unicap_handle_t handle,
unicap_data_buffer_t * buffer);
gem::thread::Mutex mutex;
private:
static void newFrameCB (unicap_event_t event,
unicap_handle_t handle,
unicap_data_buffer_t * buffer,
void *usr_data);
#endif /* HAVE_VIDEO4LINUX2 */
};
};};
#endif // for header file
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