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