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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 <atlbase.h>
#include "../asyncreader/asyncio.h"
#include "../asyncreader/asyncrdr.h"
class CCDXAStream : public CAsyncStream
{
private:
enum
{
RIFFCDXA_HEADER_SIZE = 44, // usually...
RAW_SYNC_SIZE = 12, // 00 FF .. FF 00
RAW_HEADER_SIZE = 4,
RAW_SUBHEADER_SIZE = 8,
RAW_DATA_SIZE = 2324,
RAW_EDC_SIZE = 4,
RAW_SECTOR_SIZE = 2352
};
CCritSec m_csLock;
HANDLE m_hFile;
LONGLONG m_llPosition, m_llLength;
int m_nFirstSector;
int m_nBufferedSector;
BYTE m_sector[RAW_SECTOR_SIZE];
bool LookForMediaSubType();
public:
CCDXAStream();
virtual ~CCDXAStream();
bool Load(const WCHAR* fnw);
HRESULT SetPointer(LONGLONG llPos);
HRESULT Read(PBYTE pbBuffer, DWORD dwBytesToRead, BOOL bAlign, LPDWORD pdwBytesRead);
LONGLONG Size(LONGLONG* pSizeAvailable);
DWORD Alignment();
void Lock();
void Unlock();
GUID m_subtype;
};
class __declspec(uuid("D367878E-F3B8-4235-A968-F378EF1B9A44"))
CCDXAReader
: public CAsyncReader
, public IFileSourceFilter
{
CCDXAStream m_stream;
CStringW m_fn;
public:
CCDXAReader(IUnknown* pUnk, HRESULT* phr);
~CCDXAReader();
DECLARE_IUNKNOWN
STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);
// IFileSourceFilter
STDMETHODIMP Load(LPCOLESTR pszFileName, const AM_MEDIA_TYPE* pmt);
STDMETHODIMP GetCurFile(LPOLESTR* ppszFileName, AM_MEDIA_TYPE* pmt);
};
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