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Sweden-Number/dlls/quartz/parser.c

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/*
* Parser (Base for parsers and splitters)
*
* Copyright 2003 Robert Shearman
* Copyright 2004-2005 Christian Costa
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "quartz_private.h"
#include "control_private.h"
#include "pin.h"
#include "uuids.h"
#include "aviriff.h"
#include "mmreg.h"
#include "vfwmsgs.h"
#include "amvideo.h"
#include "fourcc.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include <math.h>
#include <assert.h>
#include "parser.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
static const IBaseFilterVtbl Parser_Vtbl;
static const IMediaSeekingVtbl Parser_Seeking_Vtbl;
static const IPinVtbl Parser_OutputPin_Vtbl;
static const IPinVtbl Parser_InputPin_Vtbl;
static HRESULT Parser_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt);
static HRESULT Parser_ChangeStart(LPVOID iface);
static HRESULT Parser_ChangeStop(LPVOID iface);
static HRESULT Parser_ChangeRate(LPVOID iface);
static HRESULT Parser_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
static inline Parser_OutputPin *impl_from_IMediaSeeking( IMediaSeeking *iface )
{
return (Parser_OutputPin *)((char*)iface - FIELD_OFFSET(Parser_OutputPin, mediaSeeking.lpVtbl));
}
HRESULT Parser_Create(ParserImpl* pParser, const CLSID* pClsid, PFN_PROCESS_SAMPLE fnProcessSample, PFN_QUERY_ACCEPT fnQueryAccept, PFN_PRE_CONNECT fnPreConnect)
{
HRESULT hr;
PIN_INFO piInput;
/* pTransformFilter is already allocated */
pParser->clsid = *pClsid;
pParser->lpVtbl = &Parser_Vtbl;
pParser->refCount = 1;
InitializeCriticalSection(&pParser->csFilter);
pParser->state = State_Stopped;
pParser->pClock = NULL;
ZeroMemory(&pParser->filterInfo, sizeof(FILTER_INFO));
pParser->cStreams = 0;
pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = (IBaseFilter *)pParser;
lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
hr = Parser_InputPin_Construct(&piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, &pParser->csFilter, (IPin **)&pParser->pInputPin);
if (SUCCEEDED(hr))
{
pParser->ppPins[0] = (IPin *)pParser->pInputPin;
pParser->pInputPin->fnPreConnect = fnPreConnect;
}
else
{
CoTaskMemFree(pParser->ppPins);
DeleteCriticalSection(&pParser->csFilter);
CoTaskMemFree(pParser);
}
return hr;
}
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)
{
pPinImpl->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
CopyMediaType(pPinImpl->pmt, pmt);
pPinImpl->dwSamplesProcessed = 0;
pPinImpl->dwSampleSize = 0;
pPinImpl->fSamplesPerSec = fSamplesPerSec;
MediaSeekingImpl_Init((LPVOID)pPinInfo->pFilter, Parser_ChangeStop, Parser_ChangeStart, Parser_ChangeRate, &pPinImpl->mediaSeeking);
pPinImpl->mediaSeeking.lpVtbl = &Parser_Seeking_Vtbl;
return OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, &pPinImpl->pin);
}
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)
{
Parser_OutputPin * pPinImpl;
*ppPin = NULL;
assert(pPinInfo->dir == PINDIR_OUTPUT);
pPinImpl = CoTaskMemAlloc(sizeof(Parser_OutputPin));
if (!pPinImpl)
return E_OUTOFMEMORY;
if (SUCCEEDED(Parser_OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pmt, fSamplesPerSec, pCritSec, pPinImpl)))
{
pPinImpl->pin.pin.lpVtbl = &Parser_OutputPin_Vtbl;
*ppPin = (IPin *)pPinImpl;
return S_OK;
}
return E_FAIL;
}
static HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
{
ParserImpl *This = (ParserImpl *)iface;
TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IPersist))
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IMediaFilter))
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IBaseFilter))
*ppv = (LPVOID)This;
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_AddRef(IBaseFilter * iface)
{
ParserImpl *This = (ParserImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->refCount);
TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
return refCount;
}
static ULONG WINAPI Parser_Release(IBaseFilter * iface)
{
ParserImpl *This = (ParserImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->refCount);
TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
if (!refCount)
{
ULONG i;
DeleteCriticalSection(&This->csFilter);
if (This->pClock)
IReferenceClock_Release(This->pClock);
for (i = 0; i < This->cStreams + 1; i++)
IPin_Release(This->ppPins[i]);
HeapFree(GetProcessHeap(), 0, This->ppPins);
This->lpVtbl = NULL;
TRACE("Destroying AVI splitter\n");
CoTaskMemFree(This);
return 0;
}
else
return refCount;
}
/** IPersist methods **/
static HRESULT WINAPI Parser_GetClassID(IBaseFilter * iface, CLSID * pClsid)
{
TRACE("(%p)\n", pClsid);
*pClsid = CLSID_AviSplitter;
return S_OK;
}
/** IMediaFilter methods **/
static HRESULT WINAPI Parser_Stop(IBaseFilter * iface)
{
HRESULT hr;
ParserImpl *This = (ParserImpl *)iface;
TRACE("()\n");
EnterCriticalSection(&This->csFilter);
{
if (This->state == State_Stopped)
{
LeaveCriticalSection(&This->csFilter);
return S_OK;
}
hr = PullPin_StopProcessing(This->pInputPin);
This->state = State_Stopped;
}
LeaveCriticalSection(&This->csFilter);
return hr;
}
static HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
{
HRESULT hr = S_OK;
BOOL bInit;
ParserImpl *This = (ParserImpl *)iface;
TRACE("()\n");
EnterCriticalSection(&This->csFilter);
{
if (This->state == State_Paused)
{
LeaveCriticalSection(&This->csFilter);
return S_OK;
}
bInit = (This->state == State_Stopped);
This->state = State_Paused;
}
LeaveCriticalSection(&This->csFilter);
if (bInit)
{
unsigned int i;
hr = PullPin_Seek(This->pInputPin, 0, ((LONGLONG)0x7fffffff << 32) | 0xffffffff);
if (SUCCEEDED(hr))
hr = PullPin_InitProcessing(This->pInputPin);
if (SUCCEEDED(hr))
{
for (i = 1; i < This->cStreams + 1; i++)
{
Parser_OutputPin* StreamPin = (Parser_OutputPin *)This->ppPins[i];
OutputPin_DeliverNewSegment((OutputPin *)This->ppPins[i], 0, (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec), 1.0);
StreamPin->mediaSeeking.llDuration = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec);
StreamPin->mediaSeeking.llStop = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec);
OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
}
/* FIXME: this is a little hacky: we have to deliver (at least?) one sample
* to each renderer before they will complete their transitions. We should probably
* seek through the stream for the first of each, rather than do it this way which is
* probably a bit prone to deadlocking */
hr = PullPin_StartProcessing(This->pInputPin);
}
}
/* FIXME: else pause thread */
if (SUCCEEDED(hr))
hr = PullPin_PauseProcessing(This->pInputPin);
return hr;
}
static HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
{
HRESULT hr = S_OK;
ParserImpl *This = (ParserImpl *)iface;
int i;
TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
EnterCriticalSection(&This->csFilter);
{
if (This->state == State_Running)
{
LeaveCriticalSection(&This->csFilter);
return S_OK;
}
This->rtStreamStart = tStart;
hr = PullPin_Seek(This->pInputPin, tStart, ((LONGLONG)0x7fffffff << 32) | 0xffffffff);
if (SUCCEEDED(hr) && (This->state == State_Stopped))
{
hr = PullPin_InitProcessing(This->pInputPin);
if (SUCCEEDED(hr))
{
for (i = 1; i < (This->cStreams + 1); i++)
{
OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
}
}
}
if (SUCCEEDED(hr))
hr = PullPin_StartProcessing(This->pInputPin);
if (SUCCEEDED(hr))
This->state = State_Running;
}
LeaveCriticalSection(&This->csFilter);
return hr;
}
static HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
{
ParserImpl *This = (ParserImpl *)iface;
TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
EnterCriticalSection(&This->csFilter);
{
*pState = This->state;
}
LeaveCriticalSection(&This->csFilter);
/* FIXME: this is a little bit unsafe, but I don't see that we can do this
* while in the critical section. Maybe we could copy the pointer and addref in the
* critical section and then release after this.
*/
if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
return VFW_S_STATE_INTERMEDIATE;
return S_OK;
}
static HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
{
ParserImpl *This = (ParserImpl *)iface;
TRACE("(%p)\n", pClock);
EnterCriticalSection(&This->csFilter);
{
if (This->pClock)
IReferenceClock_Release(This->pClock);
This->pClock = pClock;
if (This->pClock)
IReferenceClock_AddRef(This->pClock);
}
LeaveCriticalSection(&This->csFilter);
return S_OK;
}
static HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
{
ParserImpl *This = (ParserImpl *)iface;
TRACE("(%p)\n", ppClock);
EnterCriticalSection(&This->csFilter);
{
*ppClock = This->pClock;
if (This->pClock)
IReferenceClock_AddRef(This->pClock);
}
LeaveCriticalSection(&This->csFilter);
return S_OK;
}
/** IBaseFilter implementation **/
static HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
{
ENUMPINDETAILS epd;
ParserImpl *This = (ParserImpl *)iface;
TRACE("(%p)\n", ppEnum);
epd.cPins = This->cStreams + 1; /* +1 for input pin */
epd.ppPins = This->ppPins;
return IEnumPinsImpl_Construct(&epd, ppEnum);
}
static HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
{
FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
/* FIXME: critical section */
return E_NOTIMPL;
}
static HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
{
ParserImpl *This = (ParserImpl *)iface;
TRACE("(%p)\n", pInfo);
strcpyW(pInfo->achName, This->filterInfo.achName);
pInfo->pGraph = This->filterInfo.pGraph;
if (pInfo->pGraph)
IFilterGraph_AddRef(pInfo->pGraph);
return S_OK;
}
static HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
{
HRESULT hr = S_OK;
ParserImpl *This = (ParserImpl *)iface;
TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
EnterCriticalSection(&This->csFilter);
{
if (pName)
strcpyW(This->filterInfo.achName, pName);
else
*This->filterInfo.achName = '\0';
This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
}
LeaveCriticalSection(&This->csFilter);
return hr;
}
static HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
{
TRACE("(%p)\n", pVendorInfo);
return E_NOTIMPL;
}
static const IBaseFilterVtbl Parser_Vtbl =
{
Parser_QueryInterface,
Parser_AddRef,
Parser_Release,
Parser_GetClassID,
Parser_Stop,
Parser_Pause,
Parser_Run,
Parser_GetState,
Parser_SetSyncSource,
Parser_GetSyncSource,
Parser_EnumPins,
Parser_FindPin,
Parser_QueryFilterInfo,
Parser_JoinFilterGraph,
Parser_QueryVendorInfo
};
HRESULT Parser_AddPin(ParserImpl * This, PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, AM_MEDIA_TYPE * amt, float fSamplesPerSec, DWORD dwSampleSize, DWORD dwLength)
{
IPin ** ppOldPins;
HRESULT hr;
ppOldPins = This->ppPins;
This->ppPins = HeapAlloc(GetProcessHeap(), 0, (This->cStreams + 2) * sizeof(IPin *));
memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
hr = Parser_OutputPin_Construct(piOutput, props, NULL, Parser_OutputPin_QueryAccept, amt, fSamplesPerSec, &This->csFilter, This->ppPins + This->cStreams + 1);
if (SUCCEEDED(hr))
{
((Parser_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwSampleSize = dwSampleSize;
((Parser_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwLength = dwLength;
((Parser_OutputPin *)(This->ppPins[This->cStreams + 1]))->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
This->cStreams++;
HeapFree(GetProcessHeap(), 0, ppOldPins);
}
else
{
HeapFree(GetProcessHeap(), 0, This->ppPins);
This->ppPins = ppOldPins;
ERR("Failed with error %x\n", hr);
}
return hr;
}
static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
{
/* NOTE: should be in critical section when calling this function */
ULONG i;
IPin ** ppOldPins = This->ppPins;
/* reduce the pin array down to 1 (just our input pin) */
This->ppPins = HeapAlloc(GetProcessHeap(), 0, sizeof(IPin *) * 1);
memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
for (i = 0; i < This->cStreams; i++)
{
OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
IPin_Release(ppOldPins[i + 1]);
}
This->cStreams = 0;
HeapFree(GetProcessHeap(), 0, ppOldPins);
return S_OK;
}
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)
{
Parser_OutputPin *This = impl_from_IMediaSeeking(iface);
return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
}
static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
{
Parser_OutputPin *This = impl_from_IMediaSeeking(iface);
return IUnknown_AddRef((IUnknown *)This);
}
static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
{
Parser_OutputPin *This = impl_from_IMediaSeeking(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
};
static 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 %d\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
};
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