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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 "pin.h"
#include "vfwmsgs.h"
#include "amvideo.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 IMediaSeekingVtbl Parser_Seeking_Vtbl;
static const IPinVtbl Parser_OutputPin_Vtbl;
static const IPinVtbl Parser_InputPin_Vtbl;
static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface);
static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface);
static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface);
static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest);
static HRESULT WINAPI Parser_OutputPin_CheckMediaType(BasePin *pin, const AM_MEDIA_TYPE *pmt);
static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt);
static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *This, IMemInputPin *pPin, IMemAllocator **pAlloc);
static inline ParserImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
{
return CONTAINING_RECORD(iface, ParserImpl, sourceSeeking.IMediaSeeking_iface);
}
static inline ParserImpl *impl_from_IBaseFilter( IBaseFilter *iface )
{
return CONTAINING_RECORD(iface, ParserImpl, filter.IBaseFilter_iface);
}
static inline ParserImpl *impl_from_BaseFilter( BaseFilter *iface )
{
return CONTAINING_RECORD(iface, ParserImpl, filter);
}
IPin *parser_get_pin(BaseFilter *iface, unsigned int index)
{
ParserImpl *filter = impl_from_BaseFilter(iface);
if (index <= filter->cStreams)
return filter->ppPins[index];
return NULL;
}
HRESULT Parser_Create(ParserImpl *pParser, const IBaseFilterVtbl *vtbl, IUnknown *outer,
const CLSID *clsid, const BaseFilterFuncTable *func_table, const WCHAR *sink_name,
PFN_PROCESS_SAMPLE fnProcessSample, PFN_QUERY_ACCEPT fnQueryAccept, PFN_PRE_CONNECT fnPreConnect,
PFN_CLEANUP fnCleanup, PFN_DISCONNECT fnDisconnect, REQUESTPROC fnRequest,
STOPPROCESSPROC fnDone, SourceSeeking_ChangeStop stop,
SourceSeeking_ChangeStart start, SourceSeeking_ChangeRate rate)
{
HRESULT hr;
PIN_INFO piInput;
strmbase_filter_init(&pParser->filter, vtbl, outer, clsid,
(DWORD_PTR)(__FILE__ ": ParserImpl.csFilter"), func_table);
pParser->fnDisconnect = fnDisconnect;
pParser->cStreams = 0;
pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = &pParser->filter.IBaseFilter_iface;
lstrcpynW(piInput.achName, sink_name, ARRAY_SIZE(piInput.achName));
if (!start)
start = Parser_ChangeStart;
if (!stop)
stop = Parser_ChangeStop;
if (!rate)
rate = Parser_ChangeRate;
SourceSeeking_Init(&pParser->sourceSeeking, &Parser_Seeking_Vtbl, stop, start, rate, &pParser->filter.csFilter);
hr = PullPin_Construct(&Parser_InputPin_Vtbl, &piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, fnCleanup, fnRequest, fnDone, &pParser->filter.csFilter, (IPin **)&pParser->pInputPin);
if (SUCCEEDED(hr))
{
pParser->ppPins[0] = &pParser->pInputPin->pin.IPin_iface;
pParser->pInputPin->fnPreConnect = fnPreConnect;
}
else
{
CoTaskMemFree(pParser->ppPins);
strmbase_filter_cleanup(&pParser->filter);
CoTaskMemFree(pParser);
}
return hr;
}
HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
{
ParserImpl *This = impl_from_IBaseFilter(iface);
TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
*ppv = NULL;
if ( IsEqualIID(riid, &IID_IUnknown)
|| IsEqualIID(riid, &IID_IPersist)
|| IsEqualIID(riid, &IID_IMediaFilter)
|| IsEqualIID(riid, &IID_IBaseFilter) )
*ppv = &This->filter.IBaseFilter_iface;
if (*ppv)
{
IUnknown_AddRef((IUnknown *)*ppv);
return S_OK;
}
if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
return E_NOINTERFACE;
}
ULONG WINAPI Parser_AddRef(IBaseFilter * iface)
{
return BaseFilterImpl_AddRef(iface);
}
void Parser_Destroy(ParserImpl *This)
{
IPin *connected = NULL;
ULONG pinref;
HRESULT hr;
PullPin_WaitForStateChange(This->pInputPin, INFINITE);
/* Don't need to clean up output pins, freeing input pin will do that */
IPin_ConnectedTo(&This->pInputPin->pin.IPin_iface, &connected);
if (connected)
{
hr = IPin_Disconnect(connected);
assert(hr == S_OK);
IPin_Release(connected);
hr = IPin_Disconnect(&This->pInputPin->pin.IPin_iface);
assert(hr == S_OK);
}
pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
if (pinref)
{
/* Valgrind could find this, if I kill it here */
ERR("pinref should be null, is %u, destroying anyway\n", pinref);
assert((LONG)pinref > 0);
while (pinref)
pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
}
CoTaskMemFree(This->ppPins);
strmbase_filter_cleanup(&This->filter);
TRACE("Destroying parser\n");
CoTaskMemFree(This);
}
/** IMediaFilter methods **/
HRESULT WINAPI Parser_Stop(IBaseFilter * iface)
{
ParserImpl *This = impl_from_IBaseFilter(iface);
PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
ULONG i;
TRACE("%p->()\n", This);
EnterCriticalSection(&pin->thread_lock);
IAsyncReader_BeginFlush(This->pInputPin->pReader);
EnterCriticalSection(&This->filter.csFilter);
if (This->filter.state == State_Stopped)
{
LeaveCriticalSection(&This->filter.csFilter);
IAsyncReader_EndFlush(This->pInputPin->pReader);
LeaveCriticalSection(&pin->thread_lock);
return S_OK;
}
This->filter.state = State_Stopped;
for (i = 1; i < (This->cStreams + 1); i++)
{
BaseOutputPinImpl_Inactive((BaseOutputPin *)This->ppPins[i]);
}
LeaveCriticalSection(&This->filter.csFilter);
PullPin_PauseProcessing(This->pInputPin);
PullPin_WaitForStateChange(This->pInputPin, INFINITE);
IAsyncReader_EndFlush(This->pInputPin->pReader);
LeaveCriticalSection(&pin->thread_lock);
return S_OK;
}
HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
{
HRESULT hr = S_OK;
ParserImpl *This = impl_from_IBaseFilter(iface);
PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
TRACE("%p->()\n", This);
EnterCriticalSection(&pin->thread_lock);
EnterCriticalSection(&This->filter.csFilter);
if (This->filter.state == State_Paused)
{
LeaveCriticalSection(&This->filter.csFilter);
LeaveCriticalSection(&pin->thread_lock);
return S_OK;
}
if (This->filter.state == State_Stopped)
{
LeaveCriticalSection(&This->filter.csFilter);
hr = IBaseFilter_Run(iface, -1);
EnterCriticalSection(&This->filter.csFilter);
}
if (SUCCEEDED(hr))
This->filter.state = State_Paused;
LeaveCriticalSection(&This->filter.csFilter);
LeaveCriticalSection(&pin->thread_lock);
return hr;
}
HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
{
HRESULT hr = S_OK;
ParserImpl *This = impl_from_IBaseFilter(iface);
PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
ULONG i;
TRACE("%p->(%s)\n", This, wine_dbgstr_longlong(tStart));
EnterCriticalSection(&pin->thread_lock);
EnterCriticalSection(&This->filter.csFilter);
{
HRESULT hr_any = VFW_E_NOT_CONNECTED;
This->filter.rtStreamStart = tStart;
if (This->filter.state == State_Running || This->filter.state == State_Paused)
{
This->filter.state = State_Running;
LeaveCriticalSection(&This->filter.csFilter);
LeaveCriticalSection(&pin->thread_lock);
return S_OK;
}
for (i = 1; i < (This->cStreams + 1); i++)
{
hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[i]);
if (SUCCEEDED(hr))
hr_any = hr;
}
hr = hr_any;
if (SUCCEEDED(hr))
{
LeaveCriticalSection(&This->filter.csFilter);
hr = PullPin_StartProcessing(This->pInputPin);
EnterCriticalSection(&This->filter.csFilter);
}
if (SUCCEEDED(hr))
This->filter.state = State_Running;
}
LeaveCriticalSection(&This->filter.csFilter);
LeaveCriticalSection(&pin->thread_lock);
return hr;
}
HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
{
ParserImpl *This = impl_from_IBaseFilter(iface);
PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
HRESULT hr = S_OK;
TRACE("%p->(%d, %p)\n", This, dwMilliSecsTimeout, pState);
EnterCriticalSection(&pin->thread_lock);
EnterCriticalSection(&This->filter.csFilter);
{
*pState = This->filter.state;
}
LeaveCriticalSection(&This->filter.csFilter);
if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
hr = VFW_S_STATE_INTERMEDIATE;
LeaveCriticalSection(&pin->thread_lock);
return hr;
}
HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
{
ParserImpl *This = impl_from_IBaseFilter(iface);
PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
TRACE("%p->(%p)\n", This, pClock);
EnterCriticalSection(&pin->thread_lock);
BaseFilterImpl_SetSyncSource(iface,pClock);
LeaveCriticalSection(&pin->thread_lock);
return S_OK;
}
static const BaseOutputPinFuncTable output_BaseOutputFuncTable = {
{
Parser_OutputPin_CheckMediaType,
Parser_OutputPin_GetMediaType
},
BaseOutputPinImpl_AttemptConnection,
Parser_OutputPin_DecideBufferSize,
Parser_OutputPin_DecideAllocator,
};
HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
{
IPin ** ppOldPins;
HRESULT hr;
ppOldPins = This->ppPins;
This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
hr = BaseOutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, &output_BaseOutputFuncTable, &This->filter.csFilter, This->ppPins + (This->cStreams + 1));
if (SUCCEEDED(hr))
{
IPin *pPin = This->ppPins[This->cStreams + 1];
Parser_OutputPin *pin = unsafe_impl_Parser_OutputPin_from_IPin(pPin);
pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
CopyMediaType(pin->pmt, amt);
pin->dwSamplesProcessed = 0;
pin->pin.pin.pinInfo.pFilter = &This->filter.IBaseFilter_iface;
pin->allocProps = *props;
This->cStreams++;
BaseFilterImpl_IncrementPinVersion(&This->filter);
CoTaskMemFree(ppOldPins);
}
else
{
CoTaskMemFree(This->ppPins);
This->ppPins = ppOldPins;
ERR("Failed with error %x\n", hr);
}
return hr;
}
static HRESULT WINAPI break_connection(IPin *iface)
{
Parser_OutputPin *pin = unsafe_impl_Parser_OutputPin_from_IPin(iface);
HRESULT hr;
if (!pin->pin.pin.pConnectedTo || !pin->pin.pMemInputPin)
hr = VFW_E_NOT_CONNECTED;
else
{
hr = IPin_Disconnect(pin->pin.pin.pConnectedTo);
IPin_Disconnect(iface);
}
return hr;
}
static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
{
/* NOTE: should be in critical section when calling this function */
HRESULT hr;
ULONG i;
IPin ** ppOldPins = This->ppPins;
TRACE("(%p)\n", This);
/* reduce the pin array down to 1 (just our input pin) */
This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
for (i = 0; i < This->cStreams; i++)
{
hr = break_connection(ppOldPins[i + 1]);
TRACE("Disconnect: %08x\n", hr);
IPin_Release(ppOldPins[i + 1]);
}
BaseFilterImpl_IncrementPinVersion(&This->filter);
This->cStreams = 0;
CoTaskMemFree(ppOldPins);
return S_OK;
}
static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface)
{
FIXME("(%p) filter hasn't implemented start position change!\n", iface);
return S_OK;
}
static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface)
{
FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
return S_OK;
}
static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface)
{
FIXME("(%p) filter hasn't implemented rate change!\n", iface);
return S_OK;
}
static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
{
ParserImpl *This = impl_from_IMediaSeeking(iface);
return IBaseFilter_QueryInterface(&This->filter.IBaseFilter_iface, riid, ppv);
}
static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
{
ParserImpl *This = impl_from_IMediaSeeking(iface);
return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
}
static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
{
ParserImpl *This = impl_from_IMediaSeeking(iface);
return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
}
static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
{
Parser_Seeking_QueryInterface,
Parser_Seeking_AddRef,
Parser_Seeking_Release,
SourceSeekingImpl_GetCapabilities,
SourceSeekingImpl_CheckCapabilities,
SourceSeekingImpl_IsFormatSupported,
SourceSeekingImpl_QueryPreferredFormat,
SourceSeekingImpl_GetTimeFormat,
SourceSeekingImpl_IsUsingTimeFormat,
SourceSeekingImpl_SetTimeFormat,
SourceSeekingImpl_GetDuration,
SourceSeekingImpl_GetStopPosition,
SourceSeekingImpl_GetCurrentPosition,
SourceSeekingImpl_ConvertTimeFormat,
SourceSeekingImpl_SetPositions,
SourceSeekingImpl_GetPositions,
SourceSeekingImpl_GetAvailable,
SourceSeekingImpl_SetRate,
SourceSeekingImpl_GetRate,
SourceSeekingImpl_GetPreroll
};
static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
{
Parser_OutputPin *This = (Parser_OutputPin*)iface;
ALLOCATOR_PROPERTIES actual;
if (ppropInputRequest->cbAlign && ppropInputRequest->cbAlign != This->allocProps.cbAlign)
FIXME("Requested Buffer cbAlign mismatch %i,%i\n",This->allocProps.cbAlign, ppropInputRequest->cbAlign);
if (ppropInputRequest->cbPrefix)
FIXME("Requested Buffer cbPrefix mismatch %i,%i\n",This->allocProps.cbPrefix, ppropInputRequest->cbPrefix);
if (ppropInputRequest->cbBuffer)
FIXME("Requested Buffer cbBuffer mismatch %i,%i\n",This->allocProps.cbBuffer, ppropInputRequest->cbBuffer);
if (ppropInputRequest->cBuffers)
FIXME("Requested Buffer cBuffers mismatch %i,%i\n",This->allocProps.cBuffers, ppropInputRequest->cBuffers);
return IMemAllocator_SetProperties(pAlloc, &This->allocProps, &actual);
}
static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
{
Parser_OutputPin *This = (Parser_OutputPin*)iface;
if (iPosition < 0)
return E_INVALIDARG;
if (iPosition > 0)
return VFW_S_NO_MORE_ITEMS;
CopyMediaType(pmt, This->pmt);
return S_OK;
}
static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *iface, IMemInputPin *pPin, IMemAllocator **pAlloc)
{
Parser_OutputPin *This = (Parser_OutputPin*)iface;
HRESULT hr;
*pAlloc = NULL;
if (This->alloc)
{
hr = IMemInputPin_NotifyAllocator(pPin, This->alloc, This->readonly);
if (SUCCEEDED(hr))
{
*pAlloc = This->alloc;
IMemAllocator_AddRef(*pAlloc);
}
}
else
hr = VFW_E_NO_ALLOCATOR;
return hr;
}
static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
{
Parser_OutputPin *This = unsafe_impl_Parser_OutputPin_from_IPin(iface);
TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = iface;
else if (IsEqualIID(riid, &IID_IPin))
*ppv = iface;
/* The Parser filter does not support querying IMediaSeeking, return it directly */
else if (IsEqualIID(riid, &IID_IMediaSeeking))
*ppv = &impl_from_IBaseFilter(This->pin.pin.pinInfo.pFilter)->sourceSeeking;
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 = unsafe_impl_Parser_OutputPin_from_IPin(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);
if (This->pin.pAllocator)
IMemAllocator_Release(This->pin.pAllocator);
CoTaskMemFree(This);
return 0;
}
return refCount;
}
static HRESULT WINAPI Parser_OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
{
Parser_OutputPin *This = unsafe_impl_Parser_OutputPin_from_IPin(iface);
ParserImpl *parser = impl_from_IBaseFilter(This->pin.pin.pinInfo.pFilter);
/* Set the allocator to our input pin's */
EnterCriticalSection(This->pin.pin.pCritSec);
This->alloc = parser->pInputPin->pAlloc;
LeaveCriticalSection(This->pin.pin.pCritSec);
return BaseOutputPinImpl_Connect(iface, pReceivePin, pmt);
}
static HRESULT WINAPI Parser_OutputPin_CheckMediaType(BasePin *pin, const AM_MEDIA_TYPE *pmt)
{
Parser_OutputPin *This = (Parser_OutputPin *)pin;
dump_AM_MEDIA_TYPE(pmt);
return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
}
static const IPinVtbl Parser_OutputPin_Vtbl =
{
Parser_OutputPin_QueryInterface,
BasePinImpl_AddRef,
Parser_OutputPin_Release,
Parser_OutputPin_Connect,
BaseOutputPinImpl_ReceiveConnection,
BaseOutputPinImpl_Disconnect,
BasePinImpl_ConnectedTo,
BasePinImpl_ConnectionMediaType,
BasePinImpl_QueryPinInfo,
BasePinImpl_QueryDirection,
BasePinImpl_QueryId,
BasePinImpl_QueryAccept,
BasePinImpl_EnumMediaTypes,
BasePinImpl_QueryInternalConnections,
BaseOutputPinImpl_EndOfStream,
BaseOutputPinImpl_BeginFlush,
BaseOutputPinImpl_EndFlush,
BasePinImpl_NewSegment
};
static HRESULT WINAPI Parser_PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
{
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
*ppv = NULL;
/*
* It is important to capture the request for the IMediaSeeking interface before it is passed
* on to PullPin_QueryInterface, this is necessary since the Parser filter does not support
* querying IMediaSeeking
*/
if (IsEqualIID(riid, &IID_IMediaSeeking))
*ppv = &impl_from_IBaseFilter(This->pin.pinInfo.pFilter)->sourceSeeking;
if (*ppv)
{
IUnknown_AddRef((IUnknown *)(*ppv));
return S_OK;
}
return PullPin_QueryInterface(iface, riid, ppv);
}
static HRESULT WINAPI Parser_PullPin_Disconnect(IPin * iface)
{
HRESULT hr;
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("()\n");
EnterCriticalSection(&This->thread_lock);
EnterCriticalSection(This->pin.pCritSec);
{
if (This->pin.pConnectedTo)
{
FILTER_STATE state;
ParserImpl *Parser = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
LeaveCriticalSection(This->pin.pCritSec);
hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
EnterCriticalSection(This->pin.pCritSec);
if (SUCCEEDED(hr) && (state == State_Stopped) && SUCCEEDED(Parser->fnDisconnect(Parser)))
{
LeaveCriticalSection(This->pin.pCritSec);
PullPin_Disconnect(iface);
EnterCriticalSection(This->pin.pCritSec);
hr = Parser_RemoveOutputPins(impl_from_IBaseFilter(This->pin.pinInfo.pFilter));
}
else
hr = VFW_E_NOT_STOPPED;
}
else
hr = S_FALSE;
}
LeaveCriticalSection(This->pin.pCritSec);
LeaveCriticalSection(&This->thread_lock);
return hr;
}
static HRESULT WINAPI Parser_PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
{
HRESULT hr;
TRACE("()\n");
hr = PullPin_ReceiveConnection(iface, pReceivePin, pmt);
if (FAILED(hr))
{
BasePin *This = (BasePin *)iface;
EnterCriticalSection(This->pCritSec);
Parser_RemoveOutputPins(impl_from_IBaseFilter(This->pinInfo.pFilter));
LeaveCriticalSection(This->pCritSec);
}
return hr;
}
static HRESULT WINAPI Parser_PullPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
{
BasePin *This = (BasePin *)iface;
TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
return EnumMediaTypes_Construct(This, BasePinImpl_GetMediaType, BasePinImpl_GetMediaTypeVersion, ppEnum);
}
static const IPinVtbl Parser_InputPin_Vtbl =
{
Parser_PullPin_QueryInterface,
BasePinImpl_AddRef,
PullPin_Release,
BaseInputPinImpl_Connect,
Parser_PullPin_ReceiveConnection,
Parser_PullPin_Disconnect,
BasePinImpl_ConnectedTo,
BasePinImpl_ConnectionMediaType,
BasePinImpl_QueryPinInfo,
BasePinImpl_QueryDirection,
BasePinImpl_QueryId,
PullPin_QueryAccept,
Parser_PullPin_EnumMediaTypes,
BasePinImpl_QueryInternalConnections,
PullPin_EndOfStream,
PullPin_BeginFlush,
PullPin_EndFlush,
PullPin_NewSegment
};
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