webmsource/mkvfile.h

// Copyright (c) 2010 The WebM project authors. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS.  All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.

#pragma once
#include "mkvparser.hpp"
#include "mkvparserstreamreader.h"

namespace WebmSource
{

class MkvFile : public mkvparser::IStreamReader
{
    MkvFile(const MkvFile&);
    MkvFile& operator=(const MkvFile&);

public:
    MkvFile();
    virtual ~MkvFile();

    HRESULT Open(const wchar_t*);
    HRESULT Close();
    bool IsOpen() const;

    int Read(long long pos, long len, unsigned char* buf);
    int Length(long long* total, long long* available);

private:
    HANDLE m_hFile;
    LONGLONG m_length;

    HRESULT SetPosition(LONGLONG) const;

};


}  //end namespace WebmSource