dxr3.h

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2002 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_DXR3_H
#define DXR3PLAYER_DXR3_H
//------------------------------------------------------------------------------

#include "Video.h"
#include "Audio.h"
#include "Device.h"
#include "Overlay.h"

#include <cstdlib>

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

namespace dxr3 {

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

/**
 * Class representing the DXR3 device. If any file operation fails, it aborts.
 */
class DXR3
{
private:
    /**
     * The number of the device.
     */
    unsigned deviceNumber;

    /**
     * The device.
     */
    Device dev;

    /**
     * The video subdevice
     */
    Video video;

    /**
     * The overlay device.
     */
    Overlay overlay;

    /**
     * The audio subdevice
     */
    Audio audio;

public:
    /**
     * Construct the object. Note that it does not initialize the
     * subdevices, in case microcode should still be updated.
     */
    DXR3(unsigned deviceNumber = 0);
    
    /**
     * Upload microcode.
     */
    void uploadMicrocode(void* data, size_t size);

    /**
     * Upload microcode from the given file.
     */
    void uploadMicrocode(const char* fileName);

    /**
     * Initialize the subdevices.
     */
    void initializeSubdevices();

    /**
     * Get the overlay subdevice.
     */
    Overlay& getOverlay();

    /**
     * Get the video subdevice.
     */
    Video& getVideo();

    /**
     * Get the audio subdevice.
     */
    Audio& getAudio();

private:
    /**
     * Execute an MV or MA command on the device.
     */
    void executeCommand(int commandRegister, int command,
                        int statusRegister, int expectedStatus);

    /**
     * Wait for the last command having been executed.
     */
    void waitCommand(int reg, int value);

    friend class Audio;
    friend class Video;
    friend class Overlay;
};

//------------------------------------------------------------------------------
// Inline definitions
//------------------------------------------------------------------------------

inline Overlay& DXR3::getOverlay()
{
    return overlay;
}

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

inline Video& DXR3::getVideo()
{
    return video;
}

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

inline Audio& DXR3::getAudio()
{
    return audio;
}

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

} /* namespace dxr3 */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_DXR3_H

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