spuhandler.h

来自「Linux下比较早的基于命令行的DVD播放器」· C头文件 代码 · 共 95 行

//
// 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.

// 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_OUTPUT_SDL_SPUHANDLER_H
#define DXR3PLAYER_OUTPUT_SDL_SPUHANDLER_H
//------------------------------------------------------------------------------

#include "output/SPUHandler.h"

#include <SDL/SDL.h>

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

namespace output {

class SystemTimer;

}

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

namespace output { namespace sdl {

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

/**
 * Handler for SPU packets.
 */
class SPUHandler : public output::SPUHandler
{
private:
    /**
     * The current palette.
     */
    palette_t palette;

public:
    /**
     * Initialize the SPU handler.
     */
    SPUHandler(dvd::packet::PacketQueue& inputQueue, 
               output::SystemTimer& timer);
    
    /**
     * Copy the current subtitle (if any) into the given SDL overlay.
     */
    void embedInto(SDL_Overlay* overlay);

private:
    /**
     * Set the current palette to the given value.
     */
    virtual void setPalette(const unsigned* palette);
    
    /**
     * Get the color for the given pixel.
     */
    unsigned getColor(displayEntity_t displayEntity,
                      unsigned char pixel) const;

    /**
     * Copy the current subtitle (if any) into the given SDL overlay.
     * with the given area and color values.
     */
    void embedInto(displayEntity_t displayEntity, SDL_Overlay* overlay);
};

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

} /* namespace output::sdl */ } /* namespace output */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_OUTPUT_SDL_SPUHANDLER_H

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