root/extra_lib/include/avcap/osx/QT_DeviceDescriptor.h

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INCLUDED FROM

/*
 * (c) 2005, 2008 Nico Pranke <Nico.Pranke@googlemail.com>, Robin Luedtke <RobinLu@gmx.de>
 *
 * This file is part of avcap.
 *
 * avcap is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * avcap 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with avcap.  If not, see <http://www.gnu.org/licenses/>.
 */

/* avcap is free for non-commercial use.
 * To use it in commercial endeavors, please contact Nico Pranke <Nico.Pranke@googlemail.com>.
 */


#ifndef QT_DEVICEDESCRIPTOR_H_
#define QT_DEVICEDESCRIPTOR_H_

#include <iostream>
#include <string>

#include "DeviceDescriptor.h"
#include <QuickTime/QuickTime.h>

namespace avcap
{
class CaptureDevice;
class QT_Device;

        //! Implementation of the DeviceDescriptor for QuickTime.

        class QT_DeviceDescriptor : public DeviceDescriptor
        {
        public:

        private:
                SeqGrabComponent mGrabber;
                SGChannel                mChannel;
                VideoDigitizerComponent mDigitizer;
                DigitizerInfo                   mDigiInfo;

                int                              mDeviceID;
                int                              mInputID;
                bool                     mValid;

                std::string              mName;
                std::string              mDriver;
                QT_Device*               mDevice;

        public:
                QT_DeviceDescriptor(int device, int input, const std::string& dev_name, const std::string& driver_name,
                        SeqGrabComponent current_grabber, SGChannel current_channel);

                QT_DeviceDescriptor();

                virtual ~QT_DeviceDescriptor();

                virtual CaptureDevice* getDevice();

                virtual int open();

                virtual int close();

                virtual const std::string& getName() const;

                virtual const std::string& getDriver() const;

                bool isVideoCaptureDev() const;

                virtual inline const DEV_HANDLE_T getHandle() const
                        { return 0; }

                //! Get the SequenceGrabber-Component.
                /*! \return the SequenceGrabber-Component. */
                inline SeqGrabComponent getGrabber(void)
                        { return mGrabber; }

                //! Get the SequenceGrabber-Channel associated with the device.
                /*! \return the SequenceGrabber-Channel. */
                inline SGChannel getChannel(void)
                        { return mChannel; }

                //! Get the VideoDigitizer associated with the device.
                /*! \return the VideoDigitizer. */
                inline VideoDigitizerComponent getDigitizer(void)
                        { return mDigitizer; }

        private:
                bool queryCapabilities(SeqGrabComponent current_grabber, SGChannel current_channel);

        };
}

#endif // QT_DEVICEDESCRIPTOR_H_
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