Add pin functions from quartz.
This commit is contained in:
Maarten Lankhorst
Alexandre Julliard
parent
919d53f22d
commit
2c9cb01379
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@ -12,6 +12,7 @@ C_SRCS = \
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dllsetup.c \
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enummedia.c \
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enumpins.c \
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pin.c \
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qcap_main.c
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RC_SRCS = version.rc
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@ -0,0 +1,421 @@
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/*
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* Generic Implementation of IPin Interface
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*
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* Copyright 2003 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "wtypes.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "dshow.h"
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#include "qcap_main.h"
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#include "pin.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "uuids.h"
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#include "vfwmsgs.h"
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#include <assert.h>
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WINE_DEFAULT_DEBUG_CHANNEL(qcap);
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#define ALIGNDOWN(value,boundary) ((value) & ~(boundary-1))
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#define ALIGNUP(value,boundary) (ALIGNDOWN(value - 1, boundary) + boundary)
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static void Copy_PinInfo(PIN_INFO * pDest, const PIN_INFO * pSrc)
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{
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/* Tempting to just do a memcpy, but the name field is
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128 characters long! We will probably never exceed 10
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most of the time, so we are better off copying
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each field manually */
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strcpyW(pDest->achName, pSrc->achName);
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pDest->dir = pSrc->dir;
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pDest->pFilter = pSrc->pFilter;
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}
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HRESULT WINAPI IPinImpl_ConnectedTo(IPin * iface, IPin ** ppPin)
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{
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HRESULT hr;
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IPinImpl *This = (IPinImpl *)iface;
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/* TRACE("(%p)\n", ppPin);*/
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EnterCriticalSection(This->pCritSec);
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{
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if (This->pConnectedTo)
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{
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*ppPin = This->pConnectedTo;
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IPin_AddRef(*ppPin);
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hr = S_OK;
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}
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else
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hr = VFW_E_NOT_CONNECTED;
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}
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LeaveCriticalSection(This->pCritSec);
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return hr;
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}
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HRESULT WINAPI IPinImpl_ConnectionMediaType(IPin * iface, AM_MEDIA_TYPE * pmt)
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{
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HRESULT hr;
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
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EnterCriticalSection(This->pCritSec);
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{
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if (This->pConnectedTo)
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{
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CopyMediaType(pmt, &This->mtCurrent);
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hr = S_OK;
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}
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else
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{
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ZeroMemory(pmt, sizeof(*pmt));
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hr = VFW_E_NOT_CONNECTED;
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}
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}
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LeaveCriticalSection(This->pCritSec);
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return hr;
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}
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HRESULT WINAPI IPinImpl_QueryPinInfo(IPin * iface, PIN_INFO * pInfo)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
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Copy_PinInfo(pInfo, &This->pinInfo);
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IBaseFilter_AddRef(pInfo->pFilter);
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return S_OK;
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}
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HRESULT WINAPI IPinImpl_QueryDirection(IPin * iface, PIN_DIRECTION * pPinDir)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pPinDir);
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*pPinDir = This->pinInfo.dir;
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return S_OK;
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}
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HRESULT WINAPI IPinImpl_QueryId(IPin * iface, LPWSTR * Id)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, Id);
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*Id = CoTaskMemAlloc((strlenW(This->pinInfo.achName) + 1) * sizeof(WCHAR));
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if (!Id)
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return E_OUTOFMEMORY;
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strcpyW(*Id, This->pinInfo.achName);
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return S_OK;
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}
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HRESULT WINAPI IPinImpl_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
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if (!This->fnQueryAccept) return S_OK;
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return (This->fnQueryAccept(This->pUserData, pmt) == S_OK ? S_OK : S_FALSE);
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}
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HRESULT WINAPI IPinImpl_QueryInternalConnections(IPin * iface, IPin ** apPin, ULONG * cPin)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p, %p)\n", This, iface, apPin, cPin);
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return E_NOTIMPL; /* to tell caller that all input pins connected to all output pins */
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}
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/* Function called as a helper to IPin_Connect */
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/* specific AM_MEDIA_TYPE - it cannot be NULL */
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/* NOTE: not part of standard interface */
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static HRESULT OutputPin_ConnectSpecific(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
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{
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OutputPin *This = (OutputPin *)iface;
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HRESULT hr;
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IMemAllocator * pMemAlloc = NULL;
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ALLOCATOR_PROPERTIES actual; /* FIXME: should we put the actual props back in to This? */
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TRACE("(%p, %p)\n", pReceivePin, pmt);
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dump_AM_MEDIA_TYPE(pmt);
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/* FIXME: call queryacceptproc */
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This->pin.pConnectedTo = pReceivePin;
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IPin_AddRef(pReceivePin);
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CopyMediaType(&This->pin.mtCurrent, pmt);
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hr = IPin_ReceiveConnection(pReceivePin, iface, pmt);
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/* get the IMemInputPin interface we will use to deliver samples to the
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* connected pin */
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if (SUCCEEDED(hr))
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{
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hr = IPin_QueryInterface(pReceivePin, &IID_IMemInputPin, (LPVOID)&This->pMemInputPin);
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if (SUCCEEDED(hr))
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hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pMemAlloc);
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if (hr == VFW_E_NO_ALLOCATOR)
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{
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/* Input pin provides no allocator, use standard memory allocator */
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hr = CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER, &IID_IMemAllocator, (LPVOID*)&pMemAlloc);
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if (SUCCEEDED(hr))
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{
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hr = IMemInputPin_NotifyAllocator(This->pMemInputPin, pMemAlloc, FALSE);
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}
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}
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if (SUCCEEDED(hr))
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hr = IMemAllocator_SetProperties(pMemAlloc, &This->allocProps, &actual);
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if (pMemAlloc)
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IMemAllocator_Release(pMemAlloc);
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/* break connection if we couldn't get the allocator */
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if (FAILED(hr))
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IPin_Disconnect(pReceivePin);
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}
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if (FAILED(hr))
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{
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IPin_Release(This->pin.pConnectedTo);
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This->pin.pConnectedTo = NULL;
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DeleteMediaType(&This->pin.mtCurrent);
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}
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TRACE(" -- %lx\n", hr);
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return hr;
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}
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HRESULT OutputPin_Init(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, OutputPin * pPinImpl)
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{
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TRACE("\n");
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/* Common attributes */
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pPinImpl->pin.refCount = 1;
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pPinImpl->pin.pConnectedTo = NULL;
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pPinImpl->pin.fnQueryAccept = pQueryAccept;
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pPinImpl->pin.pUserData = pUserData;
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pPinImpl->pin.pCritSec = pCritSec;
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Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
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/* Output pin attributes */
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pPinImpl->pMemInputPin = NULL;
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pPinImpl->pConnectSpecific = OutputPin_ConnectSpecific;
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if (props)
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{
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memcpy(&pPinImpl->allocProps, props, sizeof(pPinImpl->allocProps));
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if (pPinImpl->allocProps.cbAlign == 0)
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pPinImpl->allocProps.cbAlign = 1;
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}
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else
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ZeroMemory(&pPinImpl->allocProps, sizeof(pPinImpl->allocProps));
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return S_OK;
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}
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HRESULT WINAPI OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
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{
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HRESULT hr;
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OutputPin *This = (OutputPin *)iface;
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TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
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dump_AM_MEDIA_TYPE(pmt);
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/* If we try to connect to ourself, we will definitely deadlock.
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* There are other cases where we could deadlock too, but this
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* catches the obvious case */
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assert(pReceivePin != iface);
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EnterCriticalSection(This->pin.pCritSec);
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{
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/* if we have been a specific type to connect with, then we can either connect
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* with that or fail. We cannot choose different AM_MEDIA_TYPE */
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if (pmt && !IsEqualGUID(&pmt->majortype, &GUID_NULL) && !IsEqualGUID(&pmt->subtype, &GUID_NULL))
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hr = This->pConnectSpecific(iface, pReceivePin, pmt);
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else
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{
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/* negotiate media type */
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IEnumMediaTypes * pEnumCandidates;
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AM_MEDIA_TYPE * pmtCandidate; /* Candidate media type */
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if (SUCCEEDED(hr = IPin_EnumMediaTypes(iface, &pEnumCandidates)))
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{
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hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
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/* try this filter's media types first */
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while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, NULL))
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{
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if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
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(This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
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{
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hr = S_OK;
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TRACE("o_o\n");
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DeleteMediaType(pmtCandidate);
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break;
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}
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DeleteMediaType(pmtCandidate);
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}
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IEnumMediaTypes_Release(pEnumCandidates);
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}
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/* then try receiver filter's media types */
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if (hr != S_OK && SUCCEEDED(hr = IPin_EnumMediaTypes(pReceivePin, &pEnumCandidates))) /* if we haven't already connected successfully */
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{
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hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
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while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, NULL))
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{
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if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
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(This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
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{
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hr = S_OK;
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DeleteMediaType(pmtCandidate);
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break;
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}
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DeleteMediaType(pmtCandidate);
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} /* while */
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IEnumMediaTypes_Release(pEnumCandidates);
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} /* if not found */
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} /* if negotiate media type */
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} /* if succeeded */
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LeaveCriticalSection(This->pin.pCritSec);
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TRACE(" -- %lx\n", hr);
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return hr;
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}
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HRESULT WINAPI OutputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
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{
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ERR("Incoming connection on an output pin! (%p, %p)\n", pReceivePin, pmt);
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return E_UNEXPECTED;
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}
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HRESULT WINAPI OutputPin_Disconnect(IPin * iface)
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{
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HRESULT hr;
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OutputPin *This = (OutputPin *)iface;
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TRACE("()\n");
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EnterCriticalSection(This->pin.pCritSec);
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{
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if (This->pMemInputPin)
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{
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IMemInputPin_Release(This->pMemInputPin);
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This->pMemInputPin = NULL;
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}
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if (This->pin.pConnectedTo)
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{
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IPin_Release(This->pin.pConnectedTo);
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This->pin.pConnectedTo = NULL;
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hr = S_OK;
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}
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else
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hr = S_FALSE;
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}
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LeaveCriticalSection(This->pin.pCritSec);
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return hr;
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}
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HRESULT OutputPin_GetDeliveryBuffer(OutputPin * This, IMediaSample ** ppSample, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, DWORD dwFlags)
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{
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HRESULT hr;
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TRACE("(%p, %p, %p, %lx)\n", ppSample, tStart, tStop, dwFlags);
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EnterCriticalSection(This->pin.pCritSec);
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{
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if (!This->pin.pConnectedTo)
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hr = VFW_E_NOT_CONNECTED;
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else
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{
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IMemAllocator * pAlloc = NULL;
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hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pAlloc);
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if (SUCCEEDED(hr))
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hr = IMemAllocator_GetBuffer(pAlloc, ppSample, (REFERENCE_TIME *)tStart, (REFERENCE_TIME *)tStop, dwFlags);
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if (SUCCEEDED(hr))
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hr = IMediaSample_SetTime(*ppSample, (REFERENCE_TIME *)tStart, (REFERENCE_TIME *)tStop);
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if (pAlloc)
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IMemAllocator_Release(pAlloc);
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}
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}
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LeaveCriticalSection(This->pin.pCritSec);
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return hr;
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}
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HRESULT OutputPin_SendSample(OutputPin * This, IMediaSample * pSample)
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{
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HRESULT hr = S_OK;
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IMemInputPin * pMemConnected = NULL;
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EnterCriticalSection(This->pin.pCritSec);
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{
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if (!This->pin.pConnectedTo || !This->pMemInputPin)
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hr = VFW_E_NOT_CONNECTED;
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else
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{
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/* we don't have the lock held when using This->pMemInputPin,
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* so we need to AddRef it to stop it being deleted while we are
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* using it. */
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pMemConnected = This->pMemInputPin;
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IMemInputPin_AddRef(pMemConnected);
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}
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}
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LeaveCriticalSection(This->pin.pCritSec);
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if (SUCCEEDED(hr))
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{
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/* NOTE: if we are in a critical section when Receive is called
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* then it causes some problems (most notably with the native Video
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* Renderer) if we are re-entered for whatever reason */
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hr = IMemInputPin_Receive(pMemConnected, pSample);
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IMemInputPin_Release(pMemConnected);
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}
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return hr;
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}
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@ -0,0 +1,80 @@
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/*
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* IPin function declarations to allow inheritance
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*
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* Copyright 2003 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
|
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* This function will process incoming samples to the pin.
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* Any return value valid in IMemInputPin::Receive is allowed here
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*/
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typedef HRESULT (* SAMPLEPROC)(LPVOID userdata, IMediaSample * pSample);
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/* This function will determine whether a type is supported or not.
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* It is allowed to return any error value (within reason), as opposed
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* to IPin::QueryAccept which is only allowed to return S_OK or S_FALSE.
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*/
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typedef HRESULT (* QUERYACCEPTPROC)(LPVOID userdata, const AM_MEDIA_TYPE * pmt);
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/* This function is called prior to finalizing a connection with
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* another pin and can be used to get things from the other pin
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* like IMemInput interfaces.
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*/
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typedef HRESULT (* PRECONNECTPROC)(IPin * iface, IPin * pConnectPin);
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typedef struct IPinImpl
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{
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const struct IPinVtbl * lpVtbl;
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ULONG refCount;
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LPCRITICAL_SECTION pCritSec;
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PIN_INFO pinInfo;
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IPin * pConnectedTo;
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||||
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);
|
||||
Loading…
Reference in New Issue