diff options
Diffstat (limited to 'dll/src/baseclasses/source.h')
| -rw-r--r-- | dll/src/baseclasses/source.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/dll/src/baseclasses/source.h b/dll/src/baseclasses/source.h deleted file mode 100644 index 528d5bc..0000000 --- a/dll/src/baseclasses/source.h +++ /dev/null @@ -1,172 +0,0 @@ -//------------------------------------------------------------------------------
-// File: Source.h
-//
-// Desc: DirectShow base classes - defines classes to simplify creation of
-// ActiveX source filters that support continuous generation of data.
-// No support is provided for IMediaControl or IMediaPosition.
-//
-// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved.
-//------------------------------------------------------------------------------
-
-
-//
-// Derive your source filter from CSource.
-// During construction either:
-// Create some CSourceStream objects to manage your pins
-// Provide the user with a means of doing so eg, an IPersistFile interface.
-//
-// CSource provides:
-// IBaseFilter interface management
-// IMediaFilter interface management, via CBaseFilter
-// Pin counting for CBaseFilter
-//
-// Derive a class from CSourceStream to manage your output pin types
-// Implement GetMediaType/1 to return the type you support. If you support multiple
-// types then overide GetMediaType/3, CheckMediaType and GetMediaTypeCount.
-// Implement Fillbuffer() to put data into one buffer.
-//
-// CSourceStream provides:
-// IPin management via CBaseOutputPin
-// Worker thread management
-
-#ifndef __CSOURCE__
-#define __CSOURCE__
-
-class CSourceStream; // The class that will handle each pin
-
-
-//
-// CSource
-//
-// Override construction to provide a means of creating
-// CSourceStream derived objects - ie a way of creating pins.
-class CSource : public CBaseFilter {
-public:
-
- CSource(__in_opt LPCTSTR pName, __inout_opt LPUNKNOWN lpunk, CLSID clsid, __inout HRESULT *phr);
- CSource(__in_opt LPCTSTR pName, __inout_opt LPUNKNOWN lpunk, CLSID clsid);
-#ifdef UNICODE
- CSource(__in_opt LPCSTR pName, __inout_opt LPUNKNOWN lpunk, CLSID clsid, __inout HRESULT *phr);
- CSource(__in_opt LPCSTR pName, __inout_opt LPUNKNOWN lpunk, CLSID clsid);
-#endif
- ~CSource();
-
- int GetPinCount(void);
- CBasePin *GetPin(int n);
-
- // -- Utilities --
-
- CCritSec* pStateLock(void) { return &m_cStateLock; } // provide our critical section
-
- HRESULT AddPin(__in CSourceStream *);
- HRESULT RemovePin(__in CSourceStream *);
-
- STDMETHODIMP FindPin(
- LPCWSTR Id,
- __deref_out IPin ** ppPin
- );
-
- int FindPinNumber(__in IPin *iPin);
-
-protected:
-
- int m_iPins; // The number of pins on this filter. Updated by CSourceStream
- // constructors & destructors.
- CSourceStream **m_paStreams; // the pins on this filter.
-
- CCritSec m_cStateLock; // Lock this to serialize function accesses to the filter state
-
-};
-
-
-//
-// CSourceStream
-//
-// Use this class to manage a stream of data that comes from a
-// pin.
-// Uses a worker thread to put data on the pin.
-class CSourceStream : public CAMThread, public CBaseOutputPin {
-public:
-
- CSourceStream(__in_opt LPCTSTR pObjectName,
- __inout HRESULT *phr,
- __inout CSource *pms,
- __in_opt LPCWSTR pName);
-#ifdef UNICODE
- CSourceStream(__in_opt LPCSTR pObjectName,
- __inout HRESULT *phr,
- __inout CSource *pms,
- __in_opt LPCWSTR pName);
-#endif
- virtual ~CSourceStream(void); // virtual destructor ensures derived class destructors are called too.
-
-protected:
-
- CSource *m_pFilter; // The parent of this stream
-
- // *
- // * Data Source
- // *
- // * The following three functions: FillBuffer, OnThreadCreate/Destroy, are
- // * called from within the ThreadProc. They are used in the creation of
- // * the media samples this pin will provide
- // *
-
- // Override this to provide the worker thread a means
- // of processing a buffer
- virtual HRESULT FillBuffer(IMediaSample *pSamp) PURE;
-
- // Called as the thread is created/destroyed - use to perform
- // jobs such as start/stop streaming mode
- // If OnThreadCreate returns an error the thread will exit.
- virtual HRESULT OnThreadCreate(void) {return NOERROR;};
- virtual HRESULT OnThreadDestroy(void) {return NOERROR;};
- virtual HRESULT OnThreadStartPlay(void) {return NOERROR;};
-
- // *
- // * Worker Thread
- // *
-
- HRESULT Active(void); // Starts up the worker thread
- HRESULT Inactive(void); // Exits the worker thread.
-
-public:
- // thread commands
- enum Command {CMD_INIT, CMD_PAUSE, CMD_RUN, CMD_STOP, CMD_EXIT};
- HRESULT Init(void) { return CallWorker(CMD_INIT); }
- HRESULT Exit(void) { return CallWorker(CMD_EXIT); }
- HRESULT Run(void) { return CallWorker(CMD_RUN); }
- HRESULT Pause(void) { return CallWorker(CMD_PAUSE); }
- HRESULT Stop(void) { return CallWorker(CMD_STOP); }
-
-protected:
- Command GetRequest(void) { return (Command) CAMThread::GetRequest(); }
- BOOL CheckRequest(Command *pCom) { return CAMThread::CheckRequest( (DWORD *) pCom); }
-
- // override these if you want to add thread commands
- virtual DWORD ThreadProc(void); // the thread function
-
- virtual HRESULT DoBufferProcessingLoop(void); // the loop executed whilst running
-
-
- // *
- // * AM_MEDIA_TYPE support
- // *
-
- // If you support more than one media type then override these 2 functions
- virtual HRESULT CheckMediaType(const CMediaType *pMediaType);
- virtual HRESULT GetMediaType(int iPosition, __inout CMediaType *pMediaType); // List pos. 0-n
-
- // If you support only one type then override this fn.
- // This will only be called by the default implementations
- // of CheckMediaType and GetMediaType(int, CMediaType*)
- // You must override this fn. or the above 2!
- virtual HRESULT GetMediaType(__inout CMediaType *pMediaType) {return E_UNEXPECTED;}
-
- STDMETHODIMP QueryId(
- __deref_out LPWSTR * Id
- );
-};
-
-#endif // __CSOURCE__
-
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