CDXAReader.h
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上传日期:2015-12-05
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- /*
- * Copyright (C) 2003-2005 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 "..asyncreaderasyncio.h"
- #include "..asyncreaderasyncrdr.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;
- };
- [uuid("D367878E-F3B8-4235-A968-F378EF1B9A44")]
- class 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);
- };