CameraDriverQTSG.h

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//-*-c++-*-
#ifndef INCLUDED_CameraDriverQTSG_h_
#define INCLUDED_CameraDriverQTSG_h_

#include "local/DeviceDriver.h"
#include "local/DataSources/CameraSourceQTSG.h"

//! This driver provides camera capture through QuickTime and the Sequence Grabber, which is deprecated.  See the alternative CameraDriverQTKit implementation.
/*! This camera driver is used on pre-10.6 systems, supporting 32 bit only */
class CameraDriverQTSG : public virtual DeviceDriver, public virtual plist::CollectionListener {
public:
  //! constructor, may throw a const char* on error
  explicit CameraDriverQTSG(const std::string& name)
    : DeviceDriver(autoRegisterCameraDriver,name)
  {
    if(!checkQTThreadInit()) {
      std::cerr << "CameraDriver: Couldn't initialize QuickTime" << std::endl;
      return;
    }
    
    updateCameraList();
  }
  
  ~CameraDriverQTSG() {}
  
  virtual std::string getClassName() const { return autoRegisterCameraDriver; }
  
  virtual void getImageSources(std::map<std::string,DataSource*>& sources) {
    sources.clear();
    for(const_iterator it=begin(); it!=end(); ++it) {
      if(it->first==".type")
        continue;
      if(CameraSourceQTSG * ds = dynamic_cast<CameraSourceQTSG*>(it->second))
        sources[it->first]=ds;
      else
        std::cerr << "WARNING CameraDriver entry " << it->first << " is not actually a CameraSource!!!" << std::endl;
    }
  }
  
protected:
  //! converts from pascal-format string to c-format string
  static std::string p2c(unsigned char pascalStr[]) {
    unsigned char len = *pascalStr++;
    return std::string(reinterpret_cast<char*>(pascalStr),len);
  }
  
  static void dumpLiteral(OSType t);
  
  void updateCameraList();
  
private:
  //! holds the class name, set via registration with the DeviceDriver registry
  static const std::string autoRegisterCameraDriver;
};

/*! @file
 * @brief Describes CameraDriverQTSG, which provides camera capture through QuickTime and the Sequence Grabber, now deprecated.  See the alternative CameraDriverQTKit implementation.
 * @author Ethan Tira-Thompson (ejt) (Creator)
 */

#endif