modeinfotemplate.h

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2004 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card, but now handles other
// hardware as well. These files contain a (mostly) user-space driver 
// for the Unichrome board found on Via's EPIA motherboards.
//
// The information for implementing this driver has been gathered
// from the following sources:
//
// - The DirectFB Unichrome driver
//   Copyright (c) 2003 Andreas Robinson, All rights reserved.
//
// - Andreas Robinson's MPEG-2 decoder for the Unichrome board.
//   Copyright (c) 2003 Andreas Robinson, All rights reserved.
//
// - Via's Unichrome Framebuffer driver
//   Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
//   Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.

// 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_UNICHROME_MODEINFOTEMPLATE_H
#define DXR3PLAYER_UNICHROME_MODEINFOTEMPLATE_H
//------------------------------------------------------------------------------

#include "Mode.h"

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

namespace unichrome {

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

/**
 * Template for mode information structures. This practically realizes
 * a mapping from Modes to ModeInfo structures.
 */
template <class Leaf>
struct ModeInfoTemplate
{
public:
    /**
     * Find the mode info for the given mode.
     */
    static Leaf* find(const Mode& mode, Leaf* modeInfos, size_t numInfos,
                      size_t& index);

private:
    /**
     * The mode this mode info describes.
     */
    Mode mode;

public:
    /**
     * Construct the mode info for the given mode.
     */
    ModeInfoTemplate(const Mode& mode) :
        mode(mode)
    {
    }

    /**
     * Get the mode of this mode info.
     */
    const Mode& getMode() const;
};

//------------------------------------------------------------------------------
// Template definitions
//------------------------------------------------------------------------------

template <class Leaf>
Leaf* ModeInfoTemplate<Leaf>::find(const Mode& mode, 
                                   Leaf* modeInfos, size_t numInfos,
                                   size_t& index)
{
    for(size_t i = 0; i<numInfos; ++i) {
        if (modeInfos[i].mode==mode) {
            index = i;
            return modeInfos+i;
        }
    }
    return 0;
};

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

template <class Leaf>
inline const Mode& ModeInfoTemplate<Leaf>::getMode() const
{
    return mode;
}

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

} /* namespace unichrome */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_UNICHROME_MODEINFOTEMPLATE_H

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