81 lines
3.3 KiB
C
81 lines
3.3 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);
|
||
|
|
|
||
|
|
/* This function is called prior to finalizing a connection with
|
||
|
|
* another pin and can be used to get things from the other pin
|
||
|
|
* like IMemInput interfaces.
|
||
|
|
*/
|
||
|
|
typedef HRESULT (* PRECONNECTPROC)(IPin * iface, IPin * pConnectPin);
|
||
|
|
|
||
|
|
typedef struct IPinImpl
|
||
|
|
{
|
||
|
|
const struct IPinVtbl * lpVtbl;
|
||
|
|
ULONG refCount;
|
||
|
|
LPCRITICAL_SECTION pCritSec;
|
||
|
|
PIN_INFO pinInfo;
|
||
|
|
IPin * pConnectedTo;
|
||
|
|
AM_MEDIA_TYPE mtCurrent;
|
||
|
|
ENUMMEDIADETAILS enumMediaDetails;
|
||
|
|
QUERYACCEPTPROC fnQueryAccept;
|
||
|
|
LPVOID pUserData;
|
||
|
|
} IPinImpl;
|
||
|
|
|
||
|
|
typedef struct OutputPin
|
||
|
|
{
|
||
|
|
/* inheritance C style! */
|
||
|
|
IPinImpl pin;
|
||
|
|
|
||
|
|
IMemInputPin * pMemInputPin;
|
||
|
|
HRESULT (* pConnectSpecific)(IPin * iface, IPin * pReceiver, const AM_MEDIA_TYPE * pmt);
|
||
|
|
ALLOCATOR_PROPERTIES allocProps;
|
||
|
|
} OutputPin;
|
||
|
|
|
||
|
|
/*** Initializers ***/
|
||
|
|
HRESULT OutputPin_Init(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES *props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, OutputPin * pPinImpl);
|
||
|
|
|
||
|
|
/* Common */
|
||
|
|
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);
|
||
|
|
|
||
|
|
/* Output Pin */
|
||
|
|
HRESULT WINAPI OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
|
||
|
|
HRESULT WINAPI OutputPin_Disconnect(IPin * iface);
|
||
|
|
HRESULT WINAPI OutputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
|
||
|
|
|
||
|
|
HRESULT OutputPin_GetDeliveryBuffer(OutputPin * This, IMediaSample ** ppSample, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, DWORD dwFlags);
|
||
|
|
HRESULT OutputPin_SendSample(OutputPin * This, IMediaSample * pSample);
|