codec_base.h

Idź do dokumentacji tego pliku.

/***************************************************************************
 *   Copyright (C) 2005 by Kamil Pawlowski   *
 *   kamilpe@gmail.com   *
 *                                                                         *
 *   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 _CODEC_BASE_H_
#define _CODEC_BASE_H_

#include <SDL.h>
#include <SDL_audio.h>
#include <ogg/ogg.h>
#include <theora/theora.h>

class Codec
{
        public:
                Codec();
                virtual ~Codec();
                
                virtual int ParseHeader(ogg_packet *p) = 0;
                virtual int InitProcess() = 0;
                virtual int Wrote(ogg_packet *p) = 0;

                unsigned long msec_pos;
                
                ogg_stream_state *stream;
                int header_packet;

        protected:
                int inited;
};

class CVideoCodec : public Codec
{
        public:
                CVideoCodec();

                virtual int Decode(yuv_buffer *yuv) = 0;

                int width;
                int height;
                int frame_width;
                int frame_height;
                int offset_x;
                int offset_y;
};

class CAudioCodec : public Codec
{
        public:
                virtual int Decode(unsigned char *buffer, int len) = 0;
                CAudioCodec();
};

#endif

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