Sweden-Number/dlls/quartz/pin.h

121 lines
5.3 KiB
C

/*
* IPin function declarations to allow inheritance
*
* Copyright 2003 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* This function will process incoming samples to the pin.
* Any return value valid in IMemInputPin::Receive is allowed here
*/
typedef HRESULT (* SAMPLEPROC)(LPVOID userdata, IMediaSample * pSample);
/* This function will determine whether a type is supported or not.
* It is allowed to return any error value (within reason), as opposed
* to IPin::QueryAccept which is only allowed to return S_OK or S_FALSE.
*/
typedef HRESULT (* QUERYACCEPTPROC)(LPVOID userdata, const AM_MEDIA_TYPE * pmt);
typedef struct IPinImpl
{
const struct IPinVtbl * lpVtbl;
ULONG refCount;
LPCRITICAL_SECTION pCritSec;
PIN_INFO pinInfo;
IPin * pConnectedTo;
AM_MEDIA_TYPE mtCurrent;
ENUMMEDIADETAILS enumMediaDetails;
QUERYACCEPTPROC pQueryAccept;
LPVOID pUserData;
} IPinImpl;
typedef struct InputPin
{
/* inheritance C style! */
IPinImpl pin;
const IMemInputPinVtbl * lpVtblMemInput;
IMemAllocator * pAllocator;
SAMPLEPROC pSampleProc;
REFERENCE_TIME tStart;
REFERENCE_TIME tStop;
double dRate;
} InputPin;
typedef struct OutputPin
{
/* inheritance C style! */
IPinImpl pin;
IMemInputPin * pMemInputPin;
HRESULT (* pConnectSpecific)(IPin * iface, IPin * pReceiver, const AM_MEDIA_TYPE * pmt);
} OutputPin;
/*** Initializers ***/
HRESULT InputPin_Init(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, InputPin * pPinImpl);
HRESULT OutputPin_Init(const PIN_INFO * pPinInfo, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, OutputPin * pPinImpl);
/*** Constructors ***/
HRESULT InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
/**************************/
/*** Pin Implementation ***/
/* Common */
ULONG WINAPI IPinImpl_AddRef(IPin * iface);
HRESULT WINAPI IPinImpl_Disconnect(IPin * iface);
HRESULT WINAPI IPinImpl_ConnectedTo(IPin * iface, IPin ** ppPin);
HRESULT WINAPI IPinImpl_ConnectionMediaType(IPin * iface, AM_MEDIA_TYPE * pmt);
HRESULT WINAPI IPinImpl_QueryPinInfo(IPin * iface, PIN_INFO * pInfo);
HRESULT WINAPI IPinImpl_QueryDirection(IPin * iface, PIN_DIRECTION * pPinDir);
HRESULT WINAPI IPinImpl_QueryId(IPin * iface, LPWSTR * Id);
HRESULT WINAPI IPinImpl_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt);
HRESULT WINAPI IPinImpl_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum);
HRESULT WINAPI IPinImpl_QueryInternalConnections(IPin * iface, IPin ** apPin, ULONG * cPin);
/* Input Pin */
HRESULT WINAPI InputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv);
ULONG WINAPI InputPin_Release(IPin * iface);
HRESULT WINAPI InputPin_Connect(IPin * iface, IPin * pConnector, const AM_MEDIA_TYPE * pmt);
HRESULT WINAPI InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
HRESULT WINAPI InputPin_EndOfStream(IPin * iface);
HRESULT WINAPI InputPin_BeginFlush(IPin * iface);
HRESULT WINAPI InputPin_EndFlush(IPin * iface);
HRESULT WINAPI InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
/* Output Pin */
HRESULT WINAPI OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv);
ULONG WINAPI OutputPin_Release(IPin * iface);
HRESULT WINAPI OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
HRESULT WINAPI OutputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
HRESULT WINAPI OutputPin_EndOfStream(IPin * iface);
HRESULT WINAPI OutputPin_BeginFlush(IPin * iface);
HRESULT WINAPI OutputPin_EndFlush(IPin * iface);
HRESULT WINAPI OutputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
/**********************************/
/*** MemInputPin Implementation ***/
HRESULT WINAPI MemInputPin_QueryInterface(IMemInputPin * iface, REFIID riid, LPVOID * ppv);
ULONG WINAPI MemInputPin_AddRef(IMemInputPin * iface);
ULONG WINAPI MemInputPin_Release(IMemInputPin * iface);
HRESULT WINAPI MemInputPin_GetAllocator(IMemInputPin * iface, IMemAllocator ** ppAllocator);
HRESULT WINAPI MemInputPin_NotifyAllocator(IMemInputPin * iface, IMemAllocator * pAllocator, BOOL bReadOnly);
HRESULT WINAPI MemInputPin_GetAllocatorRequirements(IMemInputPin * iface, ALLOCATOR_PROPERTIES * pProps);
HRESULT WINAPI MemInputPin_Receive(IMemInputPin * iface, IMediaSample * pSample);
HRESULT WINAPI MemInputPin_ReceiveMultiple(IMemInputPin * iface, IMediaSample ** pSamples, long nSamples, long *nSamplesProcessed);
HRESULT WINAPI MemInputPin_ReceiveCanBlock(IMemInputPin * iface);