/*****************************************************************************

 * stream_io_callback.hpp : matroska demuxer

 *****************************************************************************

 * Copyright (C) 2003-2004 VLC authors and VideoLAN

 *

 * 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 Lesser General Public License as published by

 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser 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.

 *****************************************************************************/

#ifndef VLC_MKV_STREAM_IO_CALLBACK_HPP_

#define VLC_MKV_STREAM_IO_CALLBACK_HPP_

#ifdef HAVE_CONFIG_H

# include "config.h"

#endif

#include <vlc_demux.h>

#include <ebml/IOCallback.h>

#include <ebml/EbmlStream.h>

using namespace libebml;

namespace mkv {

/*****************************************************************************

 * Stream management

 *****************************************************************************/

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 owner );

    virtual ~vlc_stream_io_callback()

    {

        if( b_owner )

            vlc_stream_Delete( s );

    }

    bool IsEOF() const { return mb_eof; }

    uint32_t read            ( void *p_buffer, size_t i_size) override;

    void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning ) override;

    size_t   write           ( const void *p_buffer, size_t i_size) override;

    uint64_t getFilePointer  ( void ) override;

    void     close           ( void ) override { return; }

};

class matroska_iostream_c : public EbmlStream

{

public:

    matroska_iostream_c(vlc_stream_io_callback & io)

        :EbmlStream(io)

    {}

    inline vlc_stream_io_callback & I_O() {

        return static_cast<vlc_stream_io_callback &>(EbmlStream::I_O());

    }

private:

    // hide generic method

    using EbmlStream::I_O;

};

} // namespace

#endif