device.h

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2003 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef DXR3PLAYER_DVD_DEVICE_H
#define DXR3PLAYER_DVD_DEVICE_H
//------------------------------------------------------------------------------

#include <memory>

#include <libmpdvdkit/ifo_types.h>

//------------------------------------------------------------------------------

namespace dvd {

//------------------------------------------------------------------------------

class FileHandler;

//------------------------------------------------------------------------------

/**
 * Interface for DVD devices, such as a DVD ROM
 */
class Device
{
public:
    /**
     * Search for a suitable device based on the given path.
     */
    static std::auto_ptr<Device> findDevice(const char* dvdPath);

    /**
     * Virtual destructor.
     */
    virtual ~Device() {}

    /**
     * Determine if there is a disk in the device.
     */
    virtual bool hasDisk() = 0;

    /**
     * Determine if the DVD is open or not.
     */
    virtual bool isOpen() const = 0;
    
    /**
     * Try to open the DVD device. If succeeds, read in all IFO data.
     *
     * @return if the opening has succeeded.
     */
    virtual bool open() = 0;

    /**
     * Get the ID of the currently opened disc into the given buffer. 
     * The buffer must be at least 16 bytes long.
     */
    virtual void getID(unsigned char* dest) const = 0;

    /**
     * Get the ifo handle for the given VTS. If VTS is 0, the VMG's
     * handle is returned.
     */
    virtual const ifo_handle_t* getIFOHandle(unsigned titleNo) const = 0;
    
    /**
     * Open the menu or VTS file for the given title.
     *
     * @return the file handler opened, or 0 if it cannot be opened.
     */
    virtual FileHandler* openFile(unsigned titleNo, bool isMenu) const = 0;

    /**
     * Close the DVD device.
     */
    virtual void close() = 0;

    /**
     * Eject the DVD device.
     */
    virtual void eject() = 0;
};

//------------------------------------------------------------------------------

} /* namespace dvd */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_DVD_DEVICE_H

// Local variables:
// mode: c++
// End: