738 lines
21 KiB
C
738 lines
21 KiB
C
/*
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* Parser (Base for parsers and splitters)
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*
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* Copyright 2003 Robert Shearman
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* Copyright 2004-2005 Christian Costa
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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 "quartz_private.h"
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#include "control_private.h"
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#include "pin.h"
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#include "uuids.h"
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#include "aviriff.h"
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#include "mmreg.h"
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#include "vfwmsgs.h"
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#include "amvideo.h"
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#include "fourcc.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include <math.h>
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#include <assert.h>
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#include "parser.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
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static const IBaseFilterVtbl Parser_Vtbl;
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static const IMediaSeekingVtbl Parser_Seeking_Vtbl;
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static const IPinVtbl Parser_OutputPin_Vtbl;
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static const IPinVtbl Parser_InputPin_Vtbl;
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static HRESULT Parser_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt);
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static HRESULT Parser_ChangeStart(LPVOID iface);
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static HRESULT Parser_ChangeStop(LPVOID iface);
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static HRESULT Parser_ChangeRate(LPVOID iface);
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static HRESULT Parser_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
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#define _IMediaSeeking_Offset ((int)(&(((Parser_OutputPin*)0)->mediaSeeking)))
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#define ICOM_THIS_From_IMediaSeeking(impl, iface) impl* This = (impl*)(((char*)iface)-_IMediaSeeking_Offset);
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HRESULT Parser_Create(ParserImpl* pParser, const CLSID* pClsid, PFN_PROCESS_SAMPLE fnProcessSample, PFN_QUERY_ACCEPT fnQueryAccept, PFN_PRE_CONNECT fnPreConnect)
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{
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HRESULT hr;
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PIN_INFO piInput;
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/* pTransformFilter is already allocated */
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pParser->clsid = *pClsid;
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pParser->lpVtbl = &Parser_Vtbl;
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pParser->refCount = 1;
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InitializeCriticalSection(&pParser->csFilter);
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pParser->state = State_Stopped;
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pParser->pClock = NULL;
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ZeroMemory(&pParser->filterInfo, sizeof(FILTER_INFO));
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pParser->cStreams = 0;
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pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
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/* construct input pin */
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piInput.dir = PINDIR_INPUT;
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piInput.pFilter = (IBaseFilter *)pParser;
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lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
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hr = Parser_InputPin_Construct(&piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, &pParser->csFilter, (IPin **)&pParser->pInputPin);
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if (SUCCEEDED(hr))
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{
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pParser->ppPins[0] = (IPin *)pParser->pInputPin;
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pParser->pInputPin->fnPreConnect = fnPreConnect;
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}
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else
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{
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CoTaskMemFree(pParser->ppPins);
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DeleteCriticalSection(&pParser->csFilter);
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CoTaskMemFree(pParser);
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}
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return hr;
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}
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static HRESULT Parser_OutputPin_Init(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, const AM_MEDIA_TYPE * pmt, float fSamplesPerSec, LPCRITICAL_SECTION pCritSec, Parser_OutputPin * pPinImpl)
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{
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pPinImpl->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
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CopyMediaType(pPinImpl->pmt, pmt);
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pPinImpl->dwSamplesProcessed = 0;
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pPinImpl->dwSampleSize = 0;
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pPinImpl->fSamplesPerSec = fSamplesPerSec;
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MediaSeekingImpl_Init((LPVOID)pPinInfo->pFilter, Parser_ChangeStop, Parser_ChangeStart, Parser_ChangeRate, &pPinImpl->mediaSeeking);
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pPinImpl->mediaSeeking.lpVtbl = &Parser_Seeking_Vtbl;
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return OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, &pPinImpl->pin);
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}
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static HRESULT Parser_OutputPin_Construct(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, const AM_MEDIA_TYPE * pmt, float fSamplesPerSec, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
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{
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Parser_OutputPin * pPinImpl;
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*ppPin = NULL;
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assert(pPinInfo->dir == PINDIR_OUTPUT);
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pPinImpl = CoTaskMemAlloc(sizeof(Parser_OutputPin));
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if (!pPinImpl)
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return E_OUTOFMEMORY;
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if (SUCCEEDED(Parser_OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pmt, fSamplesPerSec, pCritSec, pPinImpl)))
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{
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pPinImpl->pin.pin.lpVtbl = &Parser_OutputPin_Vtbl;
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*ppPin = (IPin *)pPinImpl;
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return S_OK;
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}
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return E_FAIL;
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}
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static HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
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{
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
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*ppv = NULL;
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if (IsEqualIID(riid, &IID_IUnknown))
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*ppv = (LPVOID)This;
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else if (IsEqualIID(riid, &IID_IPersist))
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*ppv = (LPVOID)This;
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else if (IsEqualIID(riid, &IID_IMediaFilter))
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*ppv = (LPVOID)This;
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else if (IsEqualIID(riid, &IID_IBaseFilter))
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*ppv = (LPVOID)This;
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if (*ppv)
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{
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IUnknown_AddRef((IUnknown *)(*ppv));
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return S_OK;
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}
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FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
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return E_NOINTERFACE;
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}
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static ULONG WINAPI Parser_AddRef(IBaseFilter * iface)
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{
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ParserImpl *This = (ParserImpl *)iface;
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ULONG refCount = InterlockedIncrement(&This->refCount);
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TRACE("(%p/%p)->() AddRef from %ld\n", This, iface, refCount - 1);
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return refCount;
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}
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static ULONG WINAPI Parser_Release(IBaseFilter * iface)
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{
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ParserImpl *This = (ParserImpl *)iface;
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ULONG refCount = InterlockedDecrement(&This->refCount);
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TRACE("(%p/%p)->() Release from %ld\n", This, iface, refCount + 1);
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if (!refCount)
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{
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ULONG i;
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DeleteCriticalSection(&This->csFilter);
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if (This->pClock)
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IReferenceClock_Release(This->pClock);
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for (i = 0; i < This->cStreams + 1; i++)
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IPin_Release(This->ppPins[i]);
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HeapFree(GetProcessHeap(), 0, This->ppPins);
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This->lpVtbl = NULL;
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TRACE("Destroying AVI splitter\n");
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CoTaskMemFree(This);
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return 0;
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}
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else
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return refCount;
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}
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/** IPersist methods **/
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static HRESULT WINAPI Parser_GetClassID(IBaseFilter * iface, CLSID * pClsid)
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{
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TRACE("(%p)\n", pClsid);
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*pClsid = CLSID_AviSplitter;
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return S_OK;
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}
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/** IMediaFilter methods **/
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static HRESULT WINAPI Parser_Stop(IBaseFilter * iface)
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{
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HRESULT hr;
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("()\n");
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EnterCriticalSection(&This->csFilter);
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{
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hr = PullPin_StopProcessing(This->pInputPin);
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This->state = State_Stopped;
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}
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LeaveCriticalSection(&This->csFilter);
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return hr;
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}
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static HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
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{
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HRESULT hr = S_OK;
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BOOL bInit;
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("()\n");
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EnterCriticalSection(&This->csFilter);
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{
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bInit = (This->state == State_Stopped);
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This->state = State_Paused;
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}
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LeaveCriticalSection(&This->csFilter);
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if (bInit)
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{
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unsigned int i;
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/*hr = PullPin_Seek(This->pInputPin, This->CurrentChunkOffset, This->EndOfFile); */
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if (SUCCEEDED(hr))
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hr = PullPin_InitProcessing(This->pInputPin);
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if (SUCCEEDED(hr))
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{
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for (i = 1; i < This->cStreams + 1; i++)
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{
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Parser_OutputPin* StreamPin = (Parser_OutputPin *)This->ppPins[i];
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OutputPin_DeliverNewSegment((OutputPin *)This->ppPins[i], 0, (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec), 1.0);
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StreamPin->mediaSeeking.llDuration = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec);
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StreamPin->mediaSeeking.llStop = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec);
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OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
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}
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/* FIXME: this is a little hacky: we have to deliver (at least?) one sample
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* to each renderer before they will complete their transitions. We should probably
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* seek through the stream for the first of each, rather than do it this way which is
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* probably a bit prone to deadlocking */
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hr = PullPin_StartProcessing(This->pInputPin);
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}
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}
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/* FIXME: else pause thread */
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return hr;
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}
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static HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
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{
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HRESULT hr = S_OK;
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ParserImpl *This = (ParserImpl *)iface;
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int i;
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TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
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EnterCriticalSection(&This->csFilter);
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{
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This->rtStreamStart = tStart;
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This->state = State_Running;
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hr = PullPin_InitProcessing(This->pInputPin);
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if (SUCCEEDED(hr))
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{
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for (i = 1; i < This->cStreams + 1; i++)
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{
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OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
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}
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hr = PullPin_StartProcessing(This->pInputPin);
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}
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}
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LeaveCriticalSection(&This->csFilter);
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return hr;
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}
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static HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
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{
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("(%ld, %p)\n", dwMilliSecsTimeout, pState);
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EnterCriticalSection(&This->csFilter);
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{
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*pState = This->state;
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}
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LeaveCriticalSection(&This->csFilter);
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/* FIXME: this is a little bit unsafe, but I don't see that we can do this
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* while in the critical section. Maybe we could copy the pointer and addref in the
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* critical section and then release after this.
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*/
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if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
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return VFW_S_STATE_INTERMEDIATE;
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return S_OK;
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}
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static HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
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{
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("(%p)\n", pClock);
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EnterCriticalSection(&This->csFilter);
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{
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if (This->pClock)
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IReferenceClock_Release(This->pClock);
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This->pClock = pClock;
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if (This->pClock)
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IReferenceClock_AddRef(This->pClock);
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}
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LeaveCriticalSection(&This->csFilter);
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return S_OK;
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}
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static HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
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{
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("(%p)\n", ppClock);
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EnterCriticalSection(&This->csFilter);
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{
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*ppClock = This->pClock;
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if (This->pClock)
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IReferenceClock_AddRef(This->pClock);
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}
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LeaveCriticalSection(&This->csFilter);
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return S_OK;
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}
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/** IBaseFilter implementation **/
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static HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
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{
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ENUMPINDETAILS epd;
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("(%p)\n", ppEnum);
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epd.cPins = This->cStreams + 1; /* +1 for input pin */
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epd.ppPins = This->ppPins;
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return IEnumPinsImpl_Construct(&epd, ppEnum);
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}
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static HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
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{
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FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
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/* FIXME: critical section */
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return E_NOTIMPL;
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}
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static HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
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{
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("(%p)\n", pInfo);
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strcpyW(pInfo->achName, This->filterInfo.achName);
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pInfo->pGraph = This->filterInfo.pGraph;
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if (pInfo->pGraph)
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IFilterGraph_AddRef(pInfo->pGraph);
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return S_OK;
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}
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static HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
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{
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HRESULT hr = S_OK;
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ParserImpl *This = (ParserImpl *)iface;
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TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
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EnterCriticalSection(&This->csFilter);
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{
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if (pName)
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strcpyW(This->filterInfo.achName, pName);
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else
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*This->filterInfo.achName = '\0';
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This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
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}
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LeaveCriticalSection(&This->csFilter);
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return hr;
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}
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static HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
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{
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TRACE("(%p)\n", pVendorInfo);
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return E_NOTIMPL;
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}
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static const IBaseFilterVtbl Parser_Vtbl =
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{
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Parser_QueryInterface,
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Parser_AddRef,
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Parser_Release,
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Parser_GetClassID,
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Parser_Stop,
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Parser_Pause,
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Parser_Run,
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Parser_GetState,
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Parser_SetSyncSource,
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Parser_GetSyncSource,
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Parser_EnumPins,
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Parser_FindPin,
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Parser_QueryFilterInfo,
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Parser_JoinFilterGraph,
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Parser_QueryVendorInfo
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};
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HRESULT Parser_AddPin(ParserImpl * This, PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, AM_MEDIA_TYPE * amt, float fSamplesPerSec, DWORD dwSampleSize, DWORD dwLength)
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{
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IPin ** ppOldPins;
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HRESULT hr;
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ppOldPins = This->ppPins;
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This->ppPins = HeapAlloc(GetProcessHeap(), 0, (This->cStreams + 2) * sizeof(IPin *));
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memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
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hr = Parser_OutputPin_Construct(piOutput, props, NULL, Parser_OutputPin_QueryAccept, amt, fSamplesPerSec, &This->csFilter, This->ppPins + This->cStreams + 1);
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if (SUCCEEDED(hr))
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{
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((Parser_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwSampleSize = dwSampleSize;
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((Parser_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwLength = dwLength;
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((Parser_OutputPin *)(This->ppPins[This->cStreams + 1]))->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
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This->cStreams++;
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HeapFree(GetProcessHeap(), 0, ppOldPins);
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}
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else
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{
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HeapFree(GetProcessHeap(), 0, This->ppPins);
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This->ppPins = ppOldPins;
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ERR("Failed with error %lx\n", hr);
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}
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return hr;
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}
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static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
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{
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/* NOTE: should be in critical section when calling this function */
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ULONG i;
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IPin ** ppOldPins = This->ppPins;
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/* reduce the pin array down to 1 (just our input pin) */
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This->ppPins = HeapAlloc(GetProcessHeap(), 0, sizeof(IPin *) * 1);
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memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
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for (i = 0; i < This->cStreams; i++)
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{
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OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
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IPin_Release(ppOldPins[i + 1]);
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}
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This->cStreams = 0;
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HeapFree(GetProcessHeap(), 0, ppOldPins);
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return S_OK;
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}
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|
|
static HRESULT Parser_ChangeStart(LPVOID iface)
|
|
{
|
|
FIXME("(%p)\n", iface);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT Parser_ChangeStop(LPVOID iface)
|
|
{
|
|
FIXME("(%p)\n", iface);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT Parser_ChangeRate(LPVOID iface)
|
|
{
|
|
FIXME("(%p)\n", iface);
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
|
|
{
|
|
ICOM_THIS_From_IMediaSeeking(Parser_OutputPin, iface);
|
|
|
|
return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
|
|
}
|
|
|
|
static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
|
|
{
|
|
ICOM_THIS_From_IMediaSeeking(Parser_OutputPin, iface);
|
|
|
|
return IUnknown_AddRef((IUnknown *)This);
|
|
}
|
|
|
|
static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
|
|
{
|
|
ICOM_THIS_From_IMediaSeeking(Parser_OutputPin, iface);
|
|
|
|
return IUnknown_Release((IUnknown *)This);
|
|
}
|
|
|
|
static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
|
|
{
|
|
Parser_Seeking_QueryInterface,
|
|
Parser_Seeking_AddRef,
|
|
Parser_Seeking_Release,
|
|
MediaSeekingImpl_GetCapabilities,
|
|
MediaSeekingImpl_CheckCapabilities,
|
|
MediaSeekingImpl_IsFormatSupported,
|
|
MediaSeekingImpl_QueryPreferredFormat,
|
|
MediaSeekingImpl_GetTimeFormat,
|
|
MediaSeekingImpl_IsUsingTimeFormat,
|
|
MediaSeekingImpl_SetTimeFormat,
|
|
MediaSeekingImpl_GetDuration,
|
|
MediaSeekingImpl_GetStopPosition,
|
|
MediaSeekingImpl_GetCurrentPosition,
|
|
MediaSeekingImpl_ConvertTimeFormat,
|
|
MediaSeekingImpl_SetPositions,
|
|
MediaSeekingImpl_GetPositions,
|
|
MediaSeekingImpl_GetAvailable,
|
|
MediaSeekingImpl_SetRate,
|
|
MediaSeekingImpl_GetRate,
|
|
MediaSeekingImpl_GetPreroll
|
|
};
|
|
|
|
HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
|
|
{
|
|
Parser_OutputPin *This = (Parser_OutputPin *)iface;
|
|
|
|
TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
if (IsEqualIID(riid, &IID_IUnknown))
|
|
*ppv = (LPVOID)iface;
|
|
else if (IsEqualIID(riid, &IID_IPin))
|
|
*ppv = (LPVOID)iface;
|
|
else if (IsEqualIID(riid, &IID_IMediaSeeking))
|
|
*ppv = (LPVOID)&This->mediaSeeking;
|
|
|
|
if (*ppv)
|
|
{
|
|
IUnknown_AddRef((IUnknown *)(*ppv));
|
|
return S_OK;
|
|
}
|
|
|
|
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
|
|
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
|
|
{
|
|
Parser_OutputPin *This = (Parser_OutputPin *)iface;
|
|
ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
|
|
|
|
TRACE("(%p)->() Release from %ld\n", iface, refCount + 1);
|
|
|
|
if (!refCount)
|
|
{
|
|
FreeMediaType(This->pmt);
|
|
CoTaskMemFree(This->pmt);
|
|
FreeMediaType(&This->pin.pin.mtCurrent);
|
|
CoTaskMemFree(This);
|
|
return 0;
|
|
}
|
|
return refCount;
|
|
}
|
|
|
|
static HRESULT WINAPI Parser_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
|
|
{
|
|
ENUMMEDIADETAILS emd;
|
|
Parser_OutputPin *This = (Parser_OutputPin *)iface;
|
|
|
|
TRACE("(%p)\n", ppEnum);
|
|
|
|
/* override this method to allow enumeration of your types */
|
|
emd.cMediaTypes = 1;
|
|
emd.pMediaTypes = This->pmt;
|
|
|
|
return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
|
|
}
|
|
|
|
static HRESULT Parser_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
|
|
{
|
|
Parser_OutputPin *This = (Parser_OutputPin *)iface;
|
|
|
|
TRACE("()\n");
|
|
dump_AM_MEDIA_TYPE(pmt);
|
|
|
|
return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
|
|
}
|
|
|
|
static const IPinVtbl Parser_OutputPin_Vtbl =
|
|
{
|
|
Parser_OutputPin_QueryInterface,
|
|
IPinImpl_AddRef,
|
|
Parser_OutputPin_Release,
|
|
OutputPin_Connect,
|
|
OutputPin_ReceiveConnection,
|
|
OutputPin_Disconnect,
|
|
IPinImpl_ConnectedTo,
|
|
IPinImpl_ConnectionMediaType,
|
|
IPinImpl_QueryPinInfo,
|
|
IPinImpl_QueryDirection,
|
|
IPinImpl_QueryId,
|
|
IPinImpl_QueryAccept,
|
|
Parser_OutputPin_EnumMediaTypes,
|
|
IPinImpl_QueryInternalConnections,
|
|
OutputPin_EndOfStream,
|
|
OutputPin_BeginFlush,
|
|
OutputPin_EndFlush,
|
|
OutputPin_NewSegment
|
|
};
|
|
|
|
static HRESULT Parser_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
|
|
{
|
|
PullPin * pPinImpl;
|
|
|
|
*ppPin = NULL;
|
|
|
|
if (pPinInfo->dir != PINDIR_INPUT)
|
|
{
|
|
ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
|
|
|
|
if (!pPinImpl)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if (SUCCEEDED(PullPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
|
|
{
|
|
pPinImpl->pin.lpVtbl = &Parser_InputPin_Vtbl;
|
|
|
|
*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
|
|
return S_OK;
|
|
}
|
|
return E_FAIL;
|
|
}
|
|
|
|
static HRESULT WINAPI Parser_InputPin_Disconnect(IPin * iface)
|
|
{
|
|
HRESULT hr;
|
|
IPinImpl *This = (IPinImpl *)iface;
|
|
|
|
TRACE("()\n");
|
|
|
|
EnterCriticalSection(This->pCritSec);
|
|
{
|
|
if (This->pConnectedTo)
|
|
{
|
|
FILTER_STATE state;
|
|
|
|
hr = IBaseFilter_GetState(This->pinInfo.pFilter, 0, &state);
|
|
|
|
if (SUCCEEDED(hr) && (state == State_Stopped))
|
|
{
|
|
IPin_Release(This->pConnectedTo);
|
|
This->pConnectedTo = NULL;
|
|
hr = Parser_RemoveOutputPins((ParserImpl *)This->pinInfo.pFilter);
|
|
}
|
|
else
|
|
hr = VFW_E_NOT_STOPPED;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
}
|
|
LeaveCriticalSection(This->pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static const IPinVtbl Parser_InputPin_Vtbl =
|
|
{
|
|
PullPin_QueryInterface,
|
|
IPinImpl_AddRef,
|
|
PullPin_Release,
|
|
OutputPin_Connect,
|
|
PullPin_ReceiveConnection,
|
|
Parser_InputPin_Disconnect,
|
|
IPinImpl_ConnectedTo,
|
|
IPinImpl_ConnectionMediaType,
|
|
IPinImpl_QueryPinInfo,
|
|
IPinImpl_QueryDirection,
|
|
IPinImpl_QueryId,
|
|
IPinImpl_QueryAccept,
|
|
IPinImpl_EnumMediaTypes,
|
|
IPinImpl_QueryInternalConnections,
|
|
PullPin_EndOfStream,
|
|
PullPin_BeginFlush,
|
|
PullPin_EndFlush,
|
|
PullPin_NewSegment
|
|
};
|