Sweden-Number/dlls/quartz/asyncsrc.h

141 lines
3.6 KiB
C

/*
* Implements Asynchronous File/URL Source.
*
* hidenori@a2.ctktv.ne.jp
*/
#ifndef WINE_DSHOW_ASYNCSRC_H
#define WINE_DSHOW_ASYNCSRC_H
#include "iunk.h"
#include "basefilt.h"
typedef struct CAsyncSourceImpl CAsyncSourceImpl;
typedef struct CAsyncSourcePinImpl CAsyncSourcePinImpl;
typedef struct AsyncSourceRequest AsyncSourceRequest;
typedef struct AsyncSourceHandlers AsyncSourceHandlers;
typedef struct CAsyncReaderImpl
{
ICOM_VFIELD(IAsyncReader);
/* IUnknown fields */
IUnknown* punkControl;
/* IAsyncReader fields */
CAsyncSourceImpl* pSource;
CRITICAL_SECTION m_csReader;
BOOL m_bInFlushing;
BOOL m_bAbortThread;
HANDLE m_hEventInit;
HANDLE m_hEventCancel;
HANDLE m_hEventReqQueued;
HANDLE m_hEventSampQueued;
HANDLE m_hThread;
CRITICAL_SECTION m_csRequest;
AsyncSourceRequest* m_pRequestFirst;
CRITICAL_SECTION m_csReply;
AsyncSourceRequest* m_pReplyFirst;
CRITICAL_SECTION m_csFree;
AsyncSourceRequest* m_pFreeFirst;
} CAsyncReaderImpl;
typedef struct CFileSourceFilterImpl
{
ICOM_VFIELD(IFileSourceFilter);
/* IUnknown fields */
IUnknown* punkControl;
/* IFileSourceFilter fields */
CAsyncSourceImpl* pSource;
CRITICAL_SECTION* pcsFileSource;
WCHAR* m_pwszFileName;
DWORD m_cbFileName;
AM_MEDIA_TYPE m_mt;
} CFileSourceFilterImpl;
struct CAsyncSourceImpl
{
QUARTZ_IUnkImpl unk;
CBaseFilterImpl basefilter;
CFileSourceFilterImpl filesrc;
CRITICAL_SECTION csFilter;
CAsyncSourcePinImpl* pPin;
const AsyncSourceHandlers* m_pHandler;
void* m_pUserData;
};
struct CAsyncSourcePinImpl
{
QUARTZ_IUnkImpl unk;
CPinBaseImpl pin;
CAsyncReaderImpl async;
QUARTZ_IFDelegation qiext;
BOOL bAsyncReaderQueried;
CAsyncSourceImpl* pSource;
};
struct AsyncSourceRequest
{
AsyncSourceRequest* pNext;
LONGLONG llStart;
LONG lLength;
LONG lActual;
BYTE* pBuf;
IMediaSample* pSample; /* for async req. */
DWORD_PTR dwContext; /* for async req. */
};
struct AsyncSourceHandlers
{
/* all handlers MUST be implemented. */
HRESULT (*pLoad)( CAsyncSourceImpl* pImpl, LPCWSTR lpwszSourceName );
HRESULT (*pCleanup)( CAsyncSourceImpl* pImpl );
HRESULT (*pGetLength)( CAsyncSourceImpl* pImpl, LONGLONG* pllTotal, LONGLONG* pllAvailable );
/* S_OK = OK / S_FALSE = Canceled / other = error */
/* hEventCancel may be NULL */
HRESULT (*pRead)( CAsyncSourceImpl* pImpl, LONGLONG llOfsStart, LONG lLength, BYTE* pBuf, LONG* plReturned, HANDLE hEventCancel );
};
#define CAsyncSourceImpl_THIS(iface,member) CAsyncSourceImpl* This = ((CAsyncSourceImpl*)(((char*)iface)-offsetof(CAsyncSourceImpl,member)))
#define CAsyncSourcePinImpl_THIS(iface,member) CAsyncSourcePinImpl* This = ((CAsyncSourcePinImpl*)(((char*)iface)-offsetof(CAsyncSourcePinImpl,member)))
HRESULT CAsyncReaderImpl_InitIAsyncReader(
CAsyncReaderImpl* This, IUnknown* punkControl,
CAsyncSourceImpl* pSource );
void CAsyncReaderImpl_UninitIAsyncReader(
CAsyncReaderImpl* This );
HRESULT CFileSourceFilterImpl_InitIFileSourceFilter(
CFileSourceFilterImpl* This, IUnknown* punkControl,
CAsyncSourceImpl* pSource,
CRITICAL_SECTION* pcsFileSource );
void CFileSourceFilterImpl_UninitIFileSourceFilter(
CFileSourceFilterImpl* This );
HRESULT QUARTZ_CreateAsyncSource(
IUnknown* punkOuter,void** ppobj,
const CLSID* pclsidAsyncSource,
LPCWSTR pwszAsyncSourceName,
LPCWSTR pwszOutPinName,
const AsyncSourceHandlers* pHandler );
HRESULT QUARTZ_CreateAsyncSourcePin(
CAsyncSourceImpl* pFilter,
CRITICAL_SECTION* pcsPin,
CAsyncSourcePinImpl** ppPin,
LPCWSTR pwszPinName );
HRESULT QUARTZ_CreateAsyncReader(IUnknown* punkOuter,void** ppobj);
HRESULT QUARTZ_CreateURLReader(IUnknown* punkOuter,void** ppobj);
#define ASYNCSRC_FILE_BLOCKSIZE 4096
#endif /* WINE_DSHOW_ASYNCSRC_H */