+++ /dev/null
-/*
- * Generic Implementation of IPin Interface
- *
- * Copyright 2003 Robert Shearman
- * Copyright 2010 Aric Stewart, CodeWeavers
- *
- * 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 "strmbase_private.h"
-
-static const IMemInputPinVtbl MemInputPin_Vtbl;
-
-typedef HRESULT (*SendPinFunc)( IPin *to, LPVOID arg );
-
-static inline BasePin *impl_from_IPin( IPin *iface )
-{
- return CONTAINING_RECORD(iface, BasePin, IPin_iface);
-}
-
-/** Helper function, there are a lot of places where the error code is inherited
- * The following rules apply:
- *
- * Return the first received error code (E_NOTIMPL is ignored)
- * If no errors occur: return the first received non-error-code that isn't S_OK
- */
-static HRESULT updatehres( HRESULT original, HRESULT new )
-{
- if (FAILED( original ) || new == E_NOTIMPL)
- return original;
-
- if (FAILED( new ) || original == S_OK)
- return new;
-
- return original;
-}
-
-/** Sends a message from a pin further to other, similar pins
- * fnMiddle is called on each pin found further on the stream.
- * fnEnd (can be NULL) is called when the message can't be sent any further (this is a renderer or source)
- *
- * If the pin given is an input pin, the message will be sent downstream to other input pins
- * If the pin given is an output pin, the message will be sent upstream to other output pins
- */
-static HRESULT SendFurther( IPin *from, SendPinFunc fnMiddle, LPVOID arg, SendPinFunc fnEnd )
-{
- PIN_INFO pin_info;
- ULONG amount = 0;
- HRESULT hr = S_OK;
- HRESULT hr_return = S_OK;
- IEnumPins *enumpins = NULL;
- BOOL foundend = TRUE;
- PIN_DIRECTION from_dir;
-
- IPin_QueryDirection( from, &from_dir );
-
- hr = IPin_QueryInternalConnections( from, NULL, &amount );
- if (hr != E_NOTIMPL && amount)
- FIXME("Use QueryInternalConnections!\n");
-
- pin_info.pFilter = NULL;
- hr = IPin_QueryPinInfo( from, &pin_info );
- if (FAILED(hr))
- goto out;
-
- hr = IBaseFilter_EnumPins( pin_info.pFilter, &enumpins );
- if (FAILED(hr))
- goto out;
-
- hr = IEnumPins_Reset( enumpins );
- while (hr == S_OK) {
- IPin *pin = NULL;
- hr = IEnumPins_Next( enumpins, 1, &pin, NULL );
- if (hr == VFW_E_ENUM_OUT_OF_SYNC)
- {
- hr = IEnumPins_Reset( enumpins );
- continue;
- }
- if (pin)
- {
- PIN_DIRECTION dir;
-
- IPin_QueryDirection( pin, &dir );
- if (dir != from_dir)
- {
- IPin *connected = NULL;
-
- foundend = FALSE;
- IPin_ConnectedTo( pin, &connected );
- if (connected)
- {
- HRESULT hr_local;
-
- hr_local = fnMiddle( connected, arg );
- hr_return = updatehres( hr_return, hr_local );
- IPin_Release(connected);
- }
- }
- IPin_Release( pin );
- }
- else
- {
- hr = S_OK;
- break;
- }
- }
-
- if (!foundend)
- hr = hr_return;
- else if (fnEnd) {
- HRESULT hr_local;
-
- hr_local = fnEnd( from, arg );
- hr_return = updatehres( hr_return, hr_local );
- }
- IEnumPins_Release(enumpins);
-
-out:
- if (pin_info.pFilter)
- IBaseFilter_Release( pin_info.pFilter );
- return hr;
-}
-
-static void Copy_PinInfo(PIN_INFO * pDest, const PIN_INFO * pSrc)
-{
- /* Tempting to just do a memcpy, but the name field is
- 128 characters long! We will probably never exceed 10
- most of the time, so we are better off copying
- each field manually */
- strcpyW(pDest->achName, pSrc->achName);
- pDest->dir = pSrc->dir;
- pDest->pFilter = pSrc->pFilter;
-}
-
-static void dump_AM_MEDIA_TYPE(const AM_MEDIA_TYPE * pmt)
-{
- if (!pmt)
- return;
- TRACE("\t%s\n\t%s\n\t...\n\t%s\n", debugstr_guid(&pmt->majortype), debugstr_guid(&pmt->subtype), debugstr_guid(&pmt->formattype));
-}
-
-static BOOL CompareMediaTypes(const AM_MEDIA_TYPE * pmt1, const AM_MEDIA_TYPE * pmt2, BOOL bWildcards)
-{
- TRACE("pmt1: ");
- dump_AM_MEDIA_TYPE(pmt1);
- TRACE("pmt2: ");
- dump_AM_MEDIA_TYPE(pmt2);
- return (((bWildcards && (IsEqualGUID(&pmt1->majortype, &GUID_NULL) || IsEqualGUID(&pmt2->majortype, &GUID_NULL))) || IsEqualGUID(&pmt1->majortype, &pmt2->majortype)) &&
- ((bWildcards && (IsEqualGUID(&pmt1->subtype, &GUID_NULL) || IsEqualGUID(&pmt2->subtype, &GUID_NULL))) || IsEqualGUID(&pmt1->subtype, &pmt2->subtype)));
-}
-
-/*** Common Base Pin function */
-HRESULT WINAPI BasePinImpl_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
-{
- if (iPosition < 0)
- return E_INVALIDARG;
- return VFW_S_NO_MORE_ITEMS;
-}
-
-LONG WINAPI BasePinImpl_GetMediaTypeVersion(BasePin *iface)
-{
- return 1;
-}
-
-ULONG WINAPI BasePinImpl_AddRef(IPin * iface)
-{
- BasePin *This = impl_from_IPin(iface);
- ULONG refCount = InterlockedIncrement(&This->refCount);
-
- TRACE("(%p)->() AddRef from %d\n", iface, refCount - 1);
-
- return refCount;
-}
-
-HRESULT WINAPI BasePinImpl_Disconnect(IPin * iface)
-{
- HRESULT hr;
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("()\n");
-
- EnterCriticalSection(This->pCritSec);
- {
- if (This->pConnectedTo)
- {
- IPin_Release(This->pConnectedTo);
- This->pConnectedTo = NULL;
- FreeMediaType(&This->mtCurrent);
- ZeroMemory(&This->mtCurrent, sizeof(This->mtCurrent));
- hr = S_OK;
- }
- else
- hr = S_FALSE;
- }
- LeaveCriticalSection(This->pCritSec);
-
- return hr;
-}
-
-HRESULT WINAPI BasePinImpl_ConnectedTo(IPin * iface, IPin ** ppPin)
-{
- HRESULT hr;
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%p)\n", ppPin);
-
- EnterCriticalSection(This->pCritSec);
- {
- if (This->pConnectedTo)
- {
- *ppPin = This->pConnectedTo;
- IPin_AddRef(*ppPin);
- hr = S_OK;
- }
- else
- {
- hr = VFW_E_NOT_CONNECTED;
- *ppPin = NULL;
- }
- }
- LeaveCriticalSection(This->pCritSec);
-
- return hr;
-}
-
-HRESULT WINAPI BasePinImpl_ConnectionMediaType(IPin * iface, AM_MEDIA_TYPE * pmt)
-{
- HRESULT hr;
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
-
- EnterCriticalSection(This->pCritSec);
- {
- if (This->pConnectedTo)
- {
- CopyMediaType(pmt, &This->mtCurrent);
- hr = S_OK;
- }
- else
- {
- ZeroMemory(pmt, sizeof(*pmt));
- hr = VFW_E_NOT_CONNECTED;
- }
- }
- LeaveCriticalSection(This->pCritSec);
-
- return hr;
-}
-
-HRESULT WINAPI BasePinImpl_QueryPinInfo(IPin * iface, PIN_INFO * pInfo)
-{
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
-
- Copy_PinInfo(pInfo, &This->pinInfo);
- IBaseFilter_AddRef(pInfo->pFilter);
-
- return S_OK;
-}
-
-HRESULT WINAPI BasePinImpl_QueryDirection(IPin * iface, PIN_DIRECTION * pPinDir)
-{
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, pPinDir);
-
- *pPinDir = This->pinInfo.dir;
-
- return S_OK;
-}
-
-HRESULT WINAPI BasePinImpl_QueryId(IPin * iface, LPWSTR * Id)
-{
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, Id);
-
- *Id = CoTaskMemAlloc((strlenW(This->pinInfo.achName) + 1) * sizeof(WCHAR));
- if (!*Id)
- return E_OUTOFMEMORY;
-
- strcpyW(*Id, This->pinInfo.achName);
-
- return S_OK;
-}
-
-HRESULT WINAPI BasePinImpl_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt)
-{
- TRACE("(%p)->(%p)\n", iface, pmt);
-
- return S_OK;
-}
-
-HRESULT WINAPI BasePinImpl_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
-{
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
-
- /* override this method to allow enumeration of your types */
-
- return EnumMediaTypes_Construct(This, This->pFuncsTable->pfnGetMediaType, This->pFuncsTable->pfnGetMediaTypeVersion , ppEnum);
-}
-
-HRESULT WINAPI BasePinImpl_QueryInternalConnections(IPin * iface, IPin ** apPin, ULONG * cPin)
-{
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p, %p)\n", This, iface, apPin, cPin);
-
- return E_NOTIMPL; /* to tell caller that all input pins connected to all output pins */
-}
-
-HRESULT WINAPI BasePinImpl_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
-{
- BasePin *This = impl_from_IPin(iface);
-
- TRACE("(%x%08x, %x%08x, %e)\n", (ULONG)(tStart >> 32), (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
-
- This->tStart = tStart;
- This->tStop = tStop;
- This->dRate = dRate;
-
- return S_OK;
-}
-
-/*** OutputPin implementation ***/
-
-static inline BaseOutputPin *impl_BaseOutputPin_from_IPin( IPin *iface )
-{
- return CONTAINING_RECORD(iface, BaseOutputPin, pin.IPin_iface);
-}
-
-static inline BaseOutputPin *impl_BaseOutputPin_from_BasePin( BasePin *iface )
-{
- return CONTAINING_RECORD(iface, BaseOutputPin, pin);
-}
-
-HRESULT WINAPI BaseOutputPinImpl_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
-{
- BaseOutputPin *This = impl_BaseOutputPin_from_IPin(iface);
-
- TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppv);
-
- *ppv = NULL;
-
- if (IsEqualIID(riid, &IID_IUnknown))
- *ppv = iface;
- else if (IsEqualIID(riid, &IID_IPin))
- *ppv = iface;
- else if (IsEqualIID(riid, &IID_IMediaSeeking) ||
- IsEqualIID(riid, &IID_IQualityControl))
- {
- return IBaseFilter_QueryInterface(This->pin.pinInfo.pFilter, riid, ppv);
- }
-
- if (*ppv)
- {
- IUnknown_AddRef((IUnknown *)(*ppv));
- return S_OK;
- }
-
- FIXME("No interface for %s!\n", debugstr_guid(riid));
-
- return E_NOINTERFACE;
-}
-
-ULONG WINAPI BaseOutputPinImpl_Release(IPin * iface)
-{
- BaseOutputPin *This = impl_BaseOutputPin_from_IPin(iface);
- ULONG refCount = InterlockedDecrement(&This->pin.refCount);
-
- TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
-
- if (!refCount)
- {
- BaseOutputPin_Destroy(This);
- return 0;
- }
- return refCount;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
-{
- HRESULT hr;
- BaseOutputPin *This = impl_BaseOutputPin_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
- dump_AM_MEDIA_TYPE(pmt);
-
- if (!pReceivePin)
- return E_POINTER;
-
- /* If we try to connect to ourselves, we will definitely deadlock.
- * There are other cases where we could deadlock too, but this
- * catches the obvious case */
- assert(pReceivePin != iface);
-
- EnterCriticalSection(This->pin.pCritSec);
- {
- /* if we have been a specific type to connect with, then we can either connect
- * with that or fail. We cannot choose different AM_MEDIA_TYPE */
- if (pmt && !IsEqualGUID(&pmt->majortype, &GUID_NULL) && !IsEqualGUID(&pmt->subtype, &GUID_NULL))
- hr = This->pin.pFuncsTable->pfnAttemptConnection(&This->pin, pReceivePin, pmt);
- else
- {
- /* negotiate media type */
-
- IEnumMediaTypes * pEnumCandidates;
- AM_MEDIA_TYPE * pmtCandidate = NULL; /* Candidate media type */
-
- if (SUCCEEDED(hr = IPin_EnumMediaTypes(iface, &pEnumCandidates)))
- {
- hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
-
- /* try this filter's media types first */
- while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, NULL))
- {
- assert(pmtCandidate);
- dump_AM_MEDIA_TYPE(pmtCandidate);
- if (!IsEqualGUID(&FORMAT_None, &pmtCandidate->formattype)
- && !IsEqualGUID(&GUID_NULL, &pmtCandidate->formattype))
- assert(pmtCandidate->pbFormat);
- if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
- (This->pin.pFuncsTable->pfnAttemptConnection(&This->pin, pReceivePin, pmtCandidate) == S_OK))
- {
- hr = S_OK;
- DeleteMediaType(pmtCandidate);
- break;
- }
- DeleteMediaType(pmtCandidate);
- pmtCandidate = NULL;
- }
- IEnumMediaTypes_Release(pEnumCandidates);
- }
-
- /* then try receiver filter's media types */
- if (hr != S_OK && SUCCEEDED(hr = IPin_EnumMediaTypes(pReceivePin, &pEnumCandidates))) /* if we haven't already connected successfully */
- {
- ULONG fetched;
-
- hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
-
- while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, &fetched))
- {
- assert(pmtCandidate);
- dump_AM_MEDIA_TYPE(pmtCandidate);
- if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
- (This->pin.pFuncsTable->pfnAttemptConnection(&This->pin, pReceivePin, pmtCandidate) == S_OK))
- {
- hr = S_OK;
- DeleteMediaType(pmtCandidate);
- break;
- }
- DeleteMediaType(pmtCandidate);
- pmtCandidate = NULL;
- } /* while */
- IEnumMediaTypes_Release(pEnumCandidates);
- } /* if not found */
- } /* if negotiate media type */
- } /* if succeeded */
- LeaveCriticalSection(This->pin.pCritSec);
-
- TRACE(" -- %x\n", hr);
- return hr;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
-{
- ERR("Incoming connection on an output pin! (%p, %p)\n", pReceivePin, pmt);
-
- return E_UNEXPECTED;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_Disconnect(IPin * iface)
-{
- HRESULT hr;
- BaseOutputPin *This = impl_BaseOutputPin_from_IPin(iface);
-
- TRACE("()\n");
-
- EnterCriticalSection(This->pin.pCritSec);
- {
- if (This->pMemInputPin)
- {
- IMemInputPin_Release(This->pMemInputPin);
- This->pMemInputPin = NULL;
- }
- if (This->pin.pConnectedTo)
- {
- IPin_Release(This->pin.pConnectedTo);
- This->pin.pConnectedTo = NULL;
- FreeMediaType(&This->pin.mtCurrent);
- ZeroMemory(&This->pin.mtCurrent, sizeof(This->pin.mtCurrent));
- hr = S_OK;
- }
- else
- hr = S_FALSE;
- }
- LeaveCriticalSection(This->pin.pCritSec);
-
- return hr;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_EndOfStream(IPin * iface)
-{
- TRACE("()\n");
-
- /* not supposed to do anything in an output pin */
-
- return E_UNEXPECTED;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_BeginFlush(IPin * iface)
-{
- TRACE("(%p)->()\n", iface);
-
- /* not supposed to do anything in an output pin */
-
- return E_UNEXPECTED;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_EndFlush(IPin * iface)
-{
- TRACE("(%p)->()\n", iface);
-
- /* not supposed to do anything in an output pin */
-
- return E_UNEXPECTED;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_GetDeliveryBuffer(BaseOutputPin *This, IMediaSample ** ppSample, REFERENCE_TIME * tStart, REFERENCE_TIME * tStop, DWORD dwFlags)
-{
- HRESULT hr;
-
- TRACE("(%p, %p, %p, %x)\n", ppSample, tStart, tStop, dwFlags);
-
- if (!This->pin.pConnectedTo)
- hr = VFW_E_NOT_CONNECTED;
- else
- {
- hr = IMemAllocator_GetBuffer(This->pAllocator, ppSample, tStart, tStop, dwFlags);
-
- if (SUCCEEDED(hr))
- hr = IMediaSample_SetTime(*ppSample, tStart, tStop);
- }
-
- return hr;
-}
-
-/* replaces OutputPin_SendSample */
-HRESULT WINAPI BaseOutputPinImpl_Deliver(BaseOutputPin *This, IMediaSample * pSample)
-{
- IMemInputPin * pMemConnected = NULL;
- PIN_INFO pinInfo;
- HRESULT hr;
-
- EnterCriticalSection(This->pin.pCritSec);
- {
- if (!This->pin.pConnectedTo || !This->pMemInputPin)
- hr = VFW_E_NOT_CONNECTED;
- else
- {
- /* we don't have the lock held when using This->pMemInputPin,
- * so we need to AddRef it to stop it being deleted while we are
- * using it. Same with its filter. */
- pMemConnected = This->pMemInputPin;
- IMemInputPin_AddRef(pMemConnected);
- hr = IPin_QueryPinInfo(This->pin.pConnectedTo, &pinInfo);
- }
- }
- LeaveCriticalSection(This->pin.pCritSec);
-
- if (SUCCEEDED(hr))
- {
- /* NOTE: if we are in a critical section when Receive is called
- * then it causes some problems (most notably with the native Video
- * Renderer) if we are re-entered for whatever reason */
- hr = IMemInputPin_Receive(pMemConnected, pSample);
-
- /* If the filter's destroyed, tell upstream to stop sending data */
- if(IBaseFilter_Release(pinInfo.pFilter) == 0 && SUCCEEDED(hr))
- hr = S_FALSE;
- }
- if (pMemConnected)
- IMemInputPin_Release(pMemConnected);
-
- return hr;
-}
-
-/* replaces OutputPin_CommitAllocator */
-HRESULT WINAPI BaseOutputPinImpl_Active(BaseOutputPin *This)
-{
- HRESULT hr;
-
- TRACE("(%p)->()\n", This);
-
- EnterCriticalSection(This->pin.pCritSec);
- {
- if (!This->pin.pConnectedTo || !This->pMemInputPin)
- hr = VFW_E_NOT_CONNECTED;
- else
- hr = IMemAllocator_Commit(This->pAllocator);
- }
- LeaveCriticalSection(This->pin.pCritSec);
-
- TRACE("--> %08x\n", hr);
- return hr;
-}
-
-/* replaces OutputPin_DecommitAllocator */
-HRESULT WINAPI BaseOutputPinImpl_Inactive(BaseOutputPin *This)
-{
- HRESULT hr;
-
- TRACE("(%p)->()\n", This);
-
- EnterCriticalSection(This->pin.pCritSec);
- {
- if (!This->pin.pConnectedTo || !This->pMemInputPin)
- hr = VFW_E_NOT_CONNECTED;
- else
- hr = IMemAllocator_Decommit(This->pAllocator);
- }
- LeaveCriticalSection(This->pin.pCritSec);
-
- TRACE("--> %08x\n", hr);
- return hr;
-}
-
-/* replaces OutputPin_DeliverDisconnect */
-HRESULT WINAPI BaseOutputPinImpl_BreakConnect(BaseOutputPin *This)
-{
- HRESULT hr;
-
- TRACE("(%p)->()\n", This);
-
- EnterCriticalSection(This->pin.pCritSec);
- {
- if (!This->pin.pConnectedTo || !This->pMemInputPin)
- hr = VFW_E_NOT_CONNECTED;
- else
- {
- hr = IMemAllocator_Decommit(This->pAllocator);
-
- if (SUCCEEDED(hr))
- hr = IPin_Disconnect(This->pin.pConnectedTo);
- }
- IPin_Disconnect(&This->pin.IPin_iface);
- }
- LeaveCriticalSection(This->pin.pCritSec);
-
- return hr;
-}
-
-HRESULT WINAPI BaseOutputPinImpl_InitAllocator(BaseOutputPin *This, IMemAllocator **pMemAlloc)
-{
- return CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER, &IID_IMemAllocator, (LPVOID*)pMemAlloc);
-}
-
-HRESULT WINAPI BaseOutputPinImpl_DecideAllocator(BaseOutputPin *This, IMemInputPin *pPin, IMemAllocator **pAlloc)
-{
- HRESULT hr;
-
- hr = IMemInputPin_GetAllocator(pPin, pAlloc);
-
- if (hr == VFW_E_NO_ALLOCATOR)
- /* Input pin provides no allocator, use standard memory allocator */
- hr = BaseOutputPinImpl_InitAllocator(This, pAlloc);
-
- if (SUCCEEDED(hr))
- {
- ALLOCATOR_PROPERTIES rProps;
- ZeroMemory(&rProps, sizeof(ALLOCATOR_PROPERTIES));
-
- IMemInputPin_GetAllocatorRequirements(pPin, &rProps);
- hr = This->pFuncsTable->pfnDecideBufferSize(This, *pAlloc, &rProps);
- }
-
- if (SUCCEEDED(hr))
- hr = IMemInputPin_NotifyAllocator(pPin, *pAlloc, FALSE);
-
- return hr;
-}
-
-/*** The Construct functions ***/
-
-/* Function called as a helper to IPin_Connect */
-/* specific AM_MEDIA_TYPE - it cannot be NULL */
-HRESULT WINAPI BaseOutputPinImpl_AttemptConnection(BasePin* iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
-{
- BaseOutputPin *This = impl_BaseOutputPin_from_BasePin(iface);
- HRESULT hr;
- IMemAllocator * pMemAlloc = NULL;
-
- TRACE("(%p, %p)\n", pReceivePin, pmt);
- dump_AM_MEDIA_TYPE(pmt);
-
- /* FIXME: call queryacceptproc */
-
- This->pin.pConnectedTo = pReceivePin;
- IPin_AddRef(pReceivePin);
- CopyMediaType(&This->pin.mtCurrent, pmt);
-
- hr = IPin_ReceiveConnection(pReceivePin, &iface->IPin_iface, pmt);
-
- /* get the IMemInputPin interface we will use to deliver samples to the
- * connected pin */
- if (SUCCEEDED(hr))
- {
- This->pMemInputPin = NULL;
- hr = IPin_QueryInterface(pReceivePin, &IID_IMemInputPin, (LPVOID)&This->pMemInputPin);
-
- if (SUCCEEDED(hr))
- {
- hr = This->pFuncsTable->pfnDecideAllocator(This, This->pMemInputPin, &pMemAlloc);
- if (SUCCEEDED(hr))
- This->pAllocator = pMemAlloc;
- else if (pMemAlloc)
- IMemAllocator_Release(pMemAlloc);
- }
-
- /* break connection if we couldn't get the allocator */
- if (FAILED(hr))
- {
- if (This->pMemInputPin)
- IMemInputPin_Release(This->pMemInputPin);
- This->pMemInputPin = NULL;
-
- IPin_Disconnect(pReceivePin);
- }
- }
-
- if (FAILED(hr))
- {
- IPin_Release(This->pin.pConnectedTo);
- This->pin.pConnectedTo = NULL;
- FreeMediaType(&This->pin.mtCurrent);
- }
-
- TRACE(" -- %x\n", hr);
- return hr;
-}
-
-static HRESULT OutputPin_Init(const IPinVtbl *OutputPin_Vtbl, const PIN_INFO * pPinInfo, const BaseOutputPinFuncTable* vtbl, LPCRITICAL_SECTION pCritSec, BaseOutputPin * pPinImpl)
-{
- TRACE("\n");
-
- /* Common attributes */
- pPinImpl->pin.IPin_iface.lpVtbl = OutputPin_Vtbl;
- pPinImpl->pin.refCount = 1;
- pPinImpl->pin.pConnectedTo = NULL;
- pPinImpl->pin.pCritSec = pCritSec;
- pPinImpl->pin.tStart = 0;
- pPinImpl->pin.tStop = 0;
- pPinImpl->pin.dRate = 1.0;
- Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
- pPinImpl->pin.pFuncsTable = &vtbl->base;
- ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
-
- /* Output pin attributes */
- pPinImpl->pMemInputPin = NULL;
- pPinImpl->pAllocator = NULL;
- pPinImpl->pFuncsTable = vtbl;
-
- return S_OK;
-}
-
-HRESULT WINAPI BaseOutputPin_Construct(const IPinVtbl *OutputPin_Vtbl, LONG outputpin_size, const PIN_INFO * pPinInfo, const BaseOutputPinFuncTable* vtbl, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
-{
- BaseOutputPin * pPinImpl;
-
- *ppPin = NULL;
-
- if (pPinInfo->dir != PINDIR_OUTPUT)
- {
- ERR("Pin direction(%x) != PINDIR_OUTPUT\n", pPinInfo->dir);
- return E_INVALIDARG;
- }
-
- assert(outputpin_size >= sizeof(BaseOutputPin));
- assert(vtbl->base.pfnAttemptConnection);
-
- pPinImpl = CoTaskMemAlloc(outputpin_size);
-
- if (!pPinImpl)
- return E_OUTOFMEMORY;
-
- if (SUCCEEDED(OutputPin_Init(OutputPin_Vtbl, pPinInfo, vtbl, pCritSec, pPinImpl)))
- {
- *ppPin = &pPinImpl->pin.IPin_iface;
- return S_OK;
- }
-
- CoTaskMemFree(pPinImpl);
- return E_FAIL;
-}
-
-HRESULT WINAPI BaseOutputPin_Destroy(BaseOutputPin *This)
-{
- FreeMediaType(&This->pin.mtCurrent);
- if (This->pAllocator)
- IMemAllocator_Release(This->pAllocator);
- This->pAllocator = NULL;
- CoTaskMemFree(This);
- return S_OK;
-}
-
-/*** Input Pin implementation ***/
-
-static inline BaseInputPin *impl_BaseInputPin_from_IPin( IPin *iface )
-{
- return CONTAINING_RECORD(iface, BaseInputPin, pin.IPin_iface);
-}
-
-HRESULT WINAPI BaseInputPinImpl_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
-{
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
-
- TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
-
- *ppv = NULL;
-
- if (IsEqualIID(riid, &IID_IUnknown))
- *ppv = iface;
- else if (IsEqualIID(riid, &IID_IPin))
- *ppv = iface;
- else if (IsEqualIID(riid, &IID_IMemInputPin))
- *ppv = &This->IMemInputPin_iface;
- else if (IsEqualIID(riid, &IID_IMediaSeeking))
- {
- return IBaseFilter_QueryInterface(This->pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
- }
-
- if (*ppv)
- {
- IUnknown_AddRef((IUnknown *)(*ppv));
- return S_OK;
- }
-
- FIXME("No interface for %s!\n", debugstr_guid(riid));
-
- return E_NOINTERFACE;
-}
-
-ULONG WINAPI BaseInputPinImpl_Release(IPin * iface)
-{
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
- ULONG refCount = InterlockedDecrement(&This->pin.refCount);
-
- TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
-
- if (!refCount)
- BaseInputPin_Destroy(This);
-
- return refCount;
-}
-
-HRESULT WINAPI BaseInputPinImpl_Connect(IPin * iface, IPin * pConnector, const AM_MEDIA_TYPE * pmt)
-{
- ERR("Outgoing connection on an input pin! (%p, %p)\n", pConnector, pmt);
-
- return E_UNEXPECTED;
-}
-
-
-HRESULT WINAPI BaseInputPinImpl_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
-{
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
- PIN_DIRECTION pindirReceive;
- HRESULT hr = S_OK;
-
- TRACE("(%p, %p)\n", pReceivePin, pmt);
- dump_AM_MEDIA_TYPE(pmt);
-
- EnterCriticalSection(This->pin.pCritSec);
- {
- if (This->pin.pConnectedTo)
- hr = VFW_E_ALREADY_CONNECTED;
-
- if (SUCCEEDED(hr) && This->pin.pFuncsTable->pfnCheckMediaType(&This->pin, pmt) != S_OK)
- hr = VFW_E_TYPE_NOT_ACCEPTED; /* FIXME: shouldn't we just map common errors onto
- * VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
-
- if (SUCCEEDED(hr))
- {
- IPin_QueryDirection(pReceivePin, &pindirReceive);
-
- if (pindirReceive != PINDIR_OUTPUT)
- {
- ERR("Can't connect from non-output pin\n");
- hr = VFW_E_INVALID_DIRECTION;
- }
- }
-
- if (SUCCEEDED(hr))
- {
- CopyMediaType(&This->pin.mtCurrent, pmt);
- This->pin.pConnectedTo = pReceivePin;
- IPin_AddRef(pReceivePin);
- }
- }
- LeaveCriticalSection(This->pin.pCritSec);
-
- return hr;
-}
-
-static HRESULT deliver_endofstream(IPin* pin, LPVOID unused)
-{
- return IPin_EndOfStream( pin );
-}
-
-HRESULT WINAPI BaseInputPinImpl_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt)
-{
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
-
- return (This->pin.pFuncsTable->pfnCheckMediaType(&This->pin, pmt) == S_OK ? S_OK : S_FALSE);
-}
-
-HRESULT WINAPI BaseInputPinImpl_EndOfStream(IPin * iface)
-{
- HRESULT hr = S_OK;
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
-
- TRACE("(%p)\n", This);
-
- EnterCriticalSection(This->pin.pCritSec);
- if (This->flushing)
- hr = S_FALSE;
- else
- This->end_of_stream = TRUE;
- LeaveCriticalSection(This->pin.pCritSec);
-
- if (hr == S_OK)
- hr = SendFurther( iface, deliver_endofstream, NULL, NULL );
- return hr;
-}
-
-static HRESULT deliver_beginflush(IPin* pin, LPVOID unused)
-{
- return IPin_BeginFlush( pin );
-}
-
-HRESULT WINAPI BaseInputPinImpl_BeginFlush(IPin * iface)
-{
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
- HRESULT hr;
- TRACE("() semi-stub\n");
-
- EnterCriticalSection(This->pin.pCritSec);
- This->flushing = TRUE;
-
- hr = SendFurther( iface, deliver_beginflush, NULL, NULL );
- LeaveCriticalSection(This->pin.pCritSec);
-
- return hr;
-}
-
-static HRESULT deliver_endflush(IPin* pin, LPVOID unused)
-{
- return IPin_EndFlush( pin );
-}
-
-HRESULT WINAPI BaseInputPinImpl_EndFlush(IPin * iface)
-{
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
- HRESULT hr;
- TRACE("(%p)\n", This);
-
- EnterCriticalSection(This->pin.pCritSec);
- This->flushing = This->end_of_stream = FALSE;
-
- hr = SendFurther( iface, deliver_endflush, NULL, NULL );
- LeaveCriticalSection(This->pin.pCritSec);
-
- return hr;
-}
-
-typedef struct newsegmentargs
-{
- REFERENCE_TIME tStart, tStop;
- double rate;
-} newsegmentargs;
-
-static HRESULT deliver_newsegment(IPin *pin, LPVOID data)
-{
- newsegmentargs *args = data;
- return IPin_NewSegment(pin, args->tStart, args->tStop, args->rate);
-}
-
-HRESULT WINAPI BaseInputPinImpl_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
-{
- BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
- newsegmentargs args;
-
- TRACE("(%x%08x, %x%08x, %e)\n", (ULONG)(tStart >> 32), (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
-
- args.tStart = This->pin.tStart = tStart;
- args.tStop = This->pin.tStop = tStop;
- args.rate = This->pin.dRate = dRate;
-
- return SendFurther( iface, deliver_newsegment, &args, NULL );
-}
-
-/*** IMemInputPin implementation ***/
-
-static inline BaseInputPin *impl_from_IMemInputPin( IMemInputPin *iface )
-{
- return CONTAINING_RECORD(iface, BaseInputPin, IMemInputPin_iface);
-}
-
-static HRESULT WINAPI MemInputPin_QueryInterface(IMemInputPin * iface, REFIID riid, LPVOID * ppv)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- return IPin_QueryInterface(&This->pin.IPin_iface, riid, ppv);
-}
-
-static ULONG WINAPI MemInputPin_AddRef(IMemInputPin * iface)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- return IPin_AddRef(&This->pin.IPin_iface);
-}
-
-static ULONG WINAPI MemInputPin_Release(IMemInputPin * iface)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- return IPin_Release(&This->pin.IPin_iface);
-}
-
-static HRESULT WINAPI MemInputPin_GetAllocator(IMemInputPin * iface, IMemAllocator ** ppAllocator)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, ppAllocator);
-
- *ppAllocator = This->pAllocator;
- if (*ppAllocator)
- IMemAllocator_AddRef(*ppAllocator);
-
- return *ppAllocator ? S_OK : VFW_E_NO_ALLOCATOR;
-}
-
-static HRESULT WINAPI MemInputPin_NotifyAllocator(IMemInputPin * iface, IMemAllocator * pAllocator, BOOL bReadOnly)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- TRACE("(%p/%p)->(%p, %d)\n", This, iface, pAllocator, bReadOnly);
-
- if (bReadOnly)
- FIXME("Read only flag not handled yet!\n");
-
- /* FIXME: Should we release the allocator on disconnection? */
- if (!pAllocator)
- {
- WARN("Null allocator\n");
- return E_POINTER;
- }
-
- if (This->preferred_allocator && pAllocator != This->preferred_allocator)
- return E_FAIL;
-
- if (This->pAllocator)
- IMemAllocator_Release(This->pAllocator);
- This->pAllocator = pAllocator;
- if (This->pAllocator)
- IMemAllocator_AddRef(This->pAllocator);
-
- return S_OK;
-}
-
-static HRESULT WINAPI MemInputPin_GetAllocatorRequirements(IMemInputPin * iface, ALLOCATOR_PROPERTIES * pProps)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- TRACE("(%p/%p)->(%p)\n", This, iface, pProps);
-
- /* override this method if you have any specific requirements */
-
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI MemInputPin_Receive(IMemInputPin * iface, IMediaSample * pSample)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
- HRESULT hr = S_FALSE;
-
- /* this trace commented out for performance reasons */
- /*TRACE("(%p/%p)->(%p)\n", This, iface, pSample);*/
- if (This->pFuncsTable->pfnReceive)
- hr = This->pFuncsTable->pfnReceive(This, pSample);
- return hr;
-}
-
-static HRESULT WINAPI MemInputPin_ReceiveMultiple(IMemInputPin * iface, IMediaSample ** pSamples, LONG nSamples, LONG *nSamplesProcessed)
-{
- HRESULT hr = S_OK;
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- TRACE("(%p/%p)->(%p, %d, %p)\n", This, iface, pSamples, nSamples, nSamplesProcessed);
-
- for (*nSamplesProcessed = 0; *nSamplesProcessed < nSamples; (*nSamplesProcessed)++)
- {
- hr = IMemInputPin_Receive(iface, pSamples[*nSamplesProcessed]);
- if (hr != S_OK)
- break;
- }
-
- return hr;
-}
-
-static HRESULT WINAPI MemInputPin_ReceiveCanBlock(IMemInputPin * iface)
-{
- BaseInputPin *This = impl_from_IMemInputPin(iface);
-
- TRACE("(%p/%p)->()\n", This, iface);
-
- return S_OK;
-}
-
-static const IMemInputPinVtbl MemInputPin_Vtbl =
-{
- MemInputPin_QueryInterface,
- MemInputPin_AddRef,
- MemInputPin_Release,
- MemInputPin_GetAllocator,
- MemInputPin_NotifyAllocator,
- MemInputPin_GetAllocatorRequirements,
- MemInputPin_Receive,
- MemInputPin_ReceiveMultiple,
- MemInputPin_ReceiveCanBlock
-};
-
-static HRESULT InputPin_Init(const IPinVtbl *InputPin_Vtbl, const PIN_INFO * pPinInfo,
- const BaseInputPinFuncTable* vtbl,
- LPCRITICAL_SECTION pCritSec, IMemAllocator *allocator, BaseInputPin * pPinImpl)
-{
- TRACE("\n");
-
- /* Common attributes */
- pPinImpl->pin.refCount = 1;
- pPinImpl->pin.pConnectedTo = NULL;
- pPinImpl->pin.pCritSec = pCritSec;
- pPinImpl->pin.tStart = 0;
- pPinImpl->pin.tStop = 0;
- pPinImpl->pin.dRate = 1.0;
- Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
- ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
- pPinImpl->pin.pFuncsTable = &vtbl->base;
-
- /* Input pin attributes */
- pPinImpl->pFuncsTable = vtbl;
- pPinImpl->pAllocator = pPinImpl->preferred_allocator = allocator;
- if (pPinImpl->preferred_allocator)
- IMemAllocator_AddRef(pPinImpl->preferred_allocator);
- pPinImpl->pin.IPin_iface.lpVtbl = InputPin_Vtbl;
- pPinImpl->IMemInputPin_iface.lpVtbl = &MemInputPin_Vtbl;
- pPinImpl->flushing = pPinImpl->end_of_stream = FALSE;
-
- return S_OK;
-}
-
-HRESULT BaseInputPin_Construct(const IPinVtbl *InputPin_Vtbl, LONG inputpin_size, const PIN_INFO * pPinInfo,
- const BaseInputPinFuncTable* vtbl,
- LPCRITICAL_SECTION pCritSec, IMemAllocator *allocator, IPin ** ppPin)
-{
- BaseInputPin * pPinImpl;
-
- *ppPin = NULL;
-
- assert(inputpin_size >= sizeof(BaseInputPin));
- assert(vtbl->base.pfnCheckMediaType);
-
- if (pPinInfo->dir != PINDIR_INPUT)
- {
- ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
- return E_INVALIDARG;
- }
-
- pPinImpl = CoTaskMemAlloc(inputpin_size);
-
- if (!pPinImpl)
- return E_OUTOFMEMORY;
-
- if (SUCCEEDED(InputPin_Init(InputPin_Vtbl, pPinInfo, vtbl, pCritSec, allocator, pPinImpl)))
- {
- *ppPin = (IPin *)pPinImpl;
- return S_OK;
- }
-
- CoTaskMemFree(pPinImpl);
- return E_FAIL;
-}
-
-HRESULT WINAPI BaseInputPin_Destroy(BaseInputPin *This)
-{
- FreeMediaType(&This->pin.mtCurrent);
- if (This->pAllocator)
- IMemAllocator_Release(This->pAllocator);
- This->pAllocator = NULL;
- This->pin.IPin_iface.lpVtbl = NULL;
- CoTaskMemFree(This);
- return S_OK;
-}
projects / reactos.git / blobdiff