stream_io_callback.hpp

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/*****************************************************************************
 * mkv.cpp : matroska demuxer
 *****************************************************************************
 * Copyright (C) 2003-2004 the VideoLAN team
 * $Id: 5bad71b443ea68b7b42fa6fec17e2760bc23e417 $
 *
 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
 *          Steve Lhomme <steve.lhomme@free.fr>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/
#include "mkv.hpp"

/*****************************************************************************
 * Stream managment
 *****************************************************************************/
class vlc_stream_io_callback: public IOCallback
{
  private:
    stream_t       *s;
    bool           mb_eof;
    bool           b_owner;

  public:
    vlc_stream_io_callback( stream_t *, bool );

    virtual ~vlc_stream_io_callback()
    {
        if( b_owner )
            stream_Delete( s );
    }

    virtual uint32   read            ( void *p_buffer, size_t i_size);
    virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
    virtual size_t   write           ( const void *p_buffer, size_t i_size) { return 0; }
    virtual uint64   getFilePointer  ( void );
    virtual void     close           ( void ) { return; }
};