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/*
* Copyright (C) 2003-2006 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include <atlcoll.h>
#define DEFAULT_CACHE_LENGTH 64*1024 // Beliyaal: Changed the default cache length to allow Bluray playback over network
class CBaseSplitterFile
{
CComPtr<IAsyncReader> m_pAsyncReader;
CAutoVectorPtr<BYTE> m_pCache;
__int64 m_cachepos, m_cachelen, m_cachetotal;
bool m_fStreaming, m_fRandomAccess;
__int64 m_pos, m_len;
virtual HRESULT Read(BYTE* pData, __int64 len); // use ByteRead
protected:
UINT64 m_bitbuff;
int m_bitlen;
virtual void OnComplete() {}
public:
CBaseSplitterFile(IAsyncReader* pReader, HRESULT& hr, int cachelen = DEFAULT_CACHE_LENGTH, bool fRandomAccess = true, bool fStreaming = false);
virtual ~CBaseSplitterFile() {}
bool SetCacheSize(int cachelen = DEFAULT_CACHE_LENGTH);
__int64 GetPos();
__int64 GetAvailable();
__int64 GetLength(bool fUpdate = false);
__int64 GetRemaining() {return max(0, GetLength() - GetPos());}
virtual void Seek(__int64 pos);
UINT64 UExpGolombRead();
INT64 SExpGolombRead();
UINT64 BitRead(int nBits, bool fPeek = false);
void BitByteAlign(), BitFlush();
HRESULT ByteRead(BYTE* pData, __int64 len);
bool IsStreaming() const {return m_fStreaming;}
bool IsRandomAccess() const {return m_fRandomAccess;}
HRESULT HasMoreData(__int64 len = 1, DWORD ms = 1);
};
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