/* * Modified for use with MPlayer, detailed changelog at * http://svn.mplayerhq.hu/mplayer/trunk/ */ #include "wine/winerror.h" #include "wine/windef.h" #include "outputpin.h" #include "mediatype.h" #include #include #include static inline int output_unimplemented(const char* s, void* p) { Debug printf("%s(%p) called (UNIMPLEMENTED)", s, p); return E_NOTIMPL; } /** An object beyond interface IEnumMediaTypes. Returned by COutputPin through call IPin::EnumMediaTypes(). */ typedef struct CEnumMediaTypes { IEnumMediaTypes_vt* vt; DECLARE_IUNKNOWN(); AM_MEDIA_TYPE type; GUID interfaces[2]; } CEnumMediaTypes; /** IMemOutput interface implementation */ struct COutputMemPin { IMemInputPin_vt* vt; DECLARE_IUNKNOWN(); char** frame_pointer; long* frame_size_pointer; MemAllocator* pAllocator; COutputPin* parent; }; /** * \brief IEnumMediaTypes:Next (retrives a specified number of media types ) * * \param[in] This pointer to CEnumMediaTypes object * \param[in] cMediaTypes number of media types to retrive * \param[out] ppMediaTypes array of AM_MEDIA_TYPE structure pointers of size cMediaTypes * \param[out] pcFetched address of variables that receives number of returned media types * * \return S_OK - success * \return S_FALSE - did not return as meny structures as requested * \return E_INVALIDARG Invalid argument * \return E_POINTER Null pointer * \return VFW_E_ENUM_OUT_OF_SYNC - pin's state has changed and is now inconsistent with enumerator * */ static HRESULT STDCALL CEnumMediaTypes_Next(IEnumMediaTypes * This, /* [in] */ ULONG cMediaTypes, /* [size_is][out] */ AM_MEDIA_TYPE **ppMediaTypes, /* [out] */ ULONG *pcFetched) { AM_MEDIA_TYPE* type = &((CEnumMediaTypes*)This)->type; Debug printf("CEnumMediaTypes::Next(%p) called\n", This); if (!ppMediaTypes) return E_INVALIDARG; if (!pcFetched && (cMediaTypes!=1)) return E_INVALIDARG; if (cMediaTypes <= 0) return 0; if (pcFetched) *pcFetched=1; ppMediaTypes[0] = CreateMediaType(type); if (cMediaTypes == 1) return 0; return 1; } /* I expect that these methods are unused. */ /** * \brief IEnumMediaTypes::Skip (skips over a specified number of media types) * * \param[in] This pointer to CEnumMEdiaTypes object * \param[in] cMediaTypes number of media types to skip * * \return S_OK - success * \return S_FALSE - skipped past the end of the sequence * \return VFW_E_ENUM_OUT_OF_SYNC - pin's state has changed and is now inconsistent with enumerator * */ static HRESULT STDCALL CEnumMediaTypes_Skip(IEnumMediaTypes * This, /* [in] */ ULONG cMediaTypes) { return output_unimplemented("CEnumMediaTypes::Skip", This); } /** * \brief IEnumMediaTypes::Reset (resets enumeration sequence to beginning) * * \param[in] This pointer to CEnumMEdiaTypes object * * \return S_OK - success * */ static HRESULT STDCALL CEnumMediaTypes_Reset(IEnumMediaTypes * This) { Debug printf("CEnumMediaTypes::Reset(%p) called\n", This); return 0; } /** * \brief IEnumMediaTypes::Clone (makes a copy of enumerator, returned object * starts at the same position as original) * * \param[in] This pointer to CEnumMEdiaTypes object * \param[out] ppEnum address of variable that receives pointer to IEnumMediaTypes interface * * \return S_OK - success * \return E_OUTOFMEMRY - Insufficient memory * \return E_POINTER - Null pointer * \return VFW_E_ENUM_OUT_OF_SYNC - pin's state has changed and is now inconsistent with enumerator * */ static HRESULT STDCALL CEnumMediaTypes_Clone(IEnumMediaTypes * This, /* [out] */ IEnumMediaTypes **ppEnum) { Debug printf("CEnumMediaTypes::Clone(%p) called\n", This); return E_NOTIMPL; } /** * \brief CEnumMediaTypes destructor * * \param[in] This pointer to CEnumMediaTypes object * */ static void CEnumMediaTypes_Destroy(CEnumMediaTypes* This) { FreeMediaType(&(This->type)); free(This->vt); free(This); } // IEnumMediaTypes->IUnknown methods IMPLEMENT_IUNKNOWN(CEnumMediaTypes) /** * \brief CEnumMediaTypes constructor * * \param[in] amt media type for enumerating * * \return pointer to CEnumMEdiaTypes object or NULL if error occured * */ static CEnumMediaTypes* CEnumMediaTypesCreate(const AM_MEDIA_TYPE* amt) { CEnumMediaTypes *This = malloc(sizeof(CEnumMediaTypes)) ; if (!This) return NULL; This->vt = malloc(sizeof(IEnumMediaTypes_vt)); if (!This->vt) { free(This); return NULL; } This->refcount = 1; CopyMediaType(&(This->type),amt); This->vt->QueryInterface = CEnumMediaTypes_QueryInterface; This->vt->AddRef = CEnumMediaTypes_AddRef; This->vt->Release = CEnumMediaTypes_Release; This->vt->Next = CEnumMediaTypes_Next; This->vt->Skip = CEnumMediaTypes_Skip; This->vt->Reset = CEnumMediaTypes_Reset; This->vt->Clone = CEnumMediaTypes_Clone; This->interfaces[0] = IID_IUnknown; This->interfaces[1] = IID_IEnumMediaTypes; return This; } /************* * COutputPin * * WARNING: * This is implementation of INPUT pin in DirectShow's terms * *************/ /** * * \brief IUnknown::QueryInterface (query object for interface) * \param[in] This pointer to IUnknown interface * \param[in] iid GUID of requested interface * \param[out] ppv receives pointer to interface * * \return S_OK - success (and *ppv contains valid pointer) * \return E_NOINTERFACE - interface not found (and *ppv was set NULL) * * \note * Make sure to call Release on received interface when you are done * */ static HRESULT STDCALL COutputPin_QueryInterface(IUnknown* This, const GUID* iid, void** ppv) { COutputPin* p = (COutputPin*) This; Debug printf("COutputPin_QueryInterface(%p) called\n", This); if (!ppv) return E_INVALIDARG; if (memcmp(iid, &IID_IUnknown, 16) == 0) { *ppv = p; p->vt->AddRef(This); return 0; } if (memcmp(iid, &IID_IMemInputPin, 16) == 0) { *ppv = p->mempin; p->mempin->vt->AddRef((IUnknown*)*ppv); return 0; } Debug printf("Unknown interface : %08x-%04x-%04x-%02x%02x-" "%02x%02x%02x%02x%02x%02x\n", iid->f1, iid->f2, iid->f3, (unsigned char)iid->f4[1], (unsigned char)iid->f4[0], (unsigned char)iid->f4[2], (unsigned char)iid->f4[3], (unsigned char)iid->f4[4], (unsigned char)iid->f4[5], (unsigned char)iid->f4[6], (unsigned char)iid->f4[7]); return E_NOINTERFACE; } // IPin methods /** * \brief IPin::Connect (connects pin to another pin) * * \param[in] This pointer to IPin interface * \param[in] pReceivePin pointer to IPin interface of remote pin * \param[in] pmt suggested media type for link. Can be NULL (any media type) * * \return S_OK - success. * \return VFW_E_ALREADY_CONNECTED - pin already connected * \return VFW_E_NOT_STOPPED - filter is active * \return VFW_E_TYPE_NOT_ACCEPT - type is not acceptable * \return Apropriate error code otherwise. * */ static HRESULT STDCALL COutputPin_Connect(IPin * This, /* [in] */ IPin *pReceivePin, /* [in] */ /* const */ AM_MEDIA_TYPE *pmt) { Debug printf("COutputPin_Connect(%p) called\n",This); /* *pmt=((COutputPin*)This)->type; if(pmt->cbFormat>0) { pmt->pbFormat=malloc(pmt->cbFormat); memcpy(pmt->pbFormat, ((COutputPin*)This)->type.pbFormat, pmt->cbFormat); } */ //return E_NOTIMPL; return 0;// XXXXXXXXXXXXX CHECKME XXXXXXXXXXXXXXX // if I put return 0; here, it crashes } /** * \brief IPin::ReceiveConnection (accepts a connection from another pin) * * \param[in] This pointer to IPin interface * \param[in] pConnector connecting pin's IPin interface * \param[in] pmt suggested media type for connection * * \return S_OK - success * \return E_POINTER - Null pointer * \return VFW_E_ALREADY_CONNECTED - pin already connected * \return VFW_E_NOT_STOPPED - filter is active * \return VFW_E_TYPE_NOT_ACCEPT - type is not acceptable * * \note * When returning S_OK method should also do the following: * - store media type and return the same type in IPin::ConnectionMediaType * - store pConnector and return it in IPin::ConnectedTo * */ static HRESULT STDCALL COutputPin_ReceiveConnection(IPin * This, /* [in] */ IPin *pConnector, /* [in] */ const AM_MEDIA_TYPE *pmt) { Debug printf("COutputPin_ReceiveConnection(%p) called\n", This); ((COutputPin*)This)->remote = pConnector; return 0; } /** * \brief IPin::Disconnect (accepts a connection from another pin) * * \param[in] This pointer to IPin interface * * \return S_OK - success * \return S_FALSE - pin was not connected * \return VFW_E_NOT_STOPPED - filter is active * * \note * To break connection you have to also call Disconnect on other pin */ static HRESULT STDCALL COutputPin_Disconnect(IPin * This) { Debug printf("COutputPin_Disconnect(%p) called\n", This); return 1; } /** * \brief IPin::ConnectedTo (retrieves pointer to the connected pin, if such exist) * * \param[in] This pointer to IPin interface * \param[out] pPin pointer to remote pin's IPin interface * * \return S_OK - success * \return E_POINTER - Null pointer * \return VFW_E_NOT_CONNECTED - pin is not connected * * \note * Caller must call Release on received IPin, when done */ static HRESULT STDCALL COutputPin_ConnectedTo(IPin * This, /* [out] */ IPin **pPin) { Debug printf("COutputPin_ConnectedTo(%p) called\n", This); if (!pPin) return E_INVALIDARG; *pPin = ((COutputPin*)This)->remote; return 0; } /** * \brief IPin::ConnectionMediaType (retrieves media type for connection, if such exist) * * \param[in] This pointer to IPin interface * \param[out] pmt pointer to AM_MEDIA_TYPE, that receives connection media type * * \return S_OK - success * \return E_POINTER - Null pointer * \return VFW_E_NOT_CONNECTED - pin is not connected * */ static HRESULT STDCALL COutputPin_ConnectionMediaType(IPin * This, /* [out] */ AM_MEDIA_TYPE *pmt) { Debug printf("COutputPin_ConnectionMediaType(%p) called\n",This); if (!pmt) return E_INVALIDARG; CopyMediaType(pmt,&(((COutputPin*)This)->type)); return 0; } /** * \brief IPin::QueryPinInfo (retrieves information about the pin) * * \param[in] This pointer to IPin interface * \param[out] pInfo pointer to PIN_INFO structure, that receives pin info * * \return S_OK - success * \return E_POINTER - Null pointer * * \note * If pInfo->pFilter is not NULL, then caller must call Release on pInfo->pFilter when done * */ static HRESULT STDCALL COutputPin_QueryPinInfo(IPin * This, /* [out] */ PIN_INFO *pInfo) { return output_unimplemented("COutputPin_QueryPinInfo", This); } /** * \brief IPin::QueryDirection (retrieves pin direction) * * \param[in] This pointer to IPin interface * \param[out] pPinDir pointer to variable, that receives pin direction (PINDIR_INPUT,PINDIR_OUTPUT) * * \return S_OK - success * \return E_POINTER - Null pointer * */ static HRESULT STDCALL COutputPin_QueryDirection(IPin * This, /* [out] */ PIN_DIRECTION *pPinDir) { Debug printf("COutputPin_QueryDirection(%p) called\n", This); if (!pPinDir) return E_INVALIDARG; *pPinDir = PINDIR_INPUT; return 0; } /** * \brief IPin::QueryId (retrieves pin identificator) * * \param[in] This pointer to IPin interface * \param[out] Id adress of variable, that receives string with pin's Id. * * \return S_OK - success * \return E_OUTOFMEMORY - Insufficient memory * \return E_POINTER - Null pointer * * \note * Pin's Id is not the same as pin's name * */ static HRESULT STDCALL COutputPin_QueryId(IPin * This, /* [out] */ LPWSTR *Id) { return output_unimplemented("COutputPin_QueryId", This); } /** * \brief IPin::QueryAccept (determines can media type be accepted or not) * * \param[in] This pointer to IPin interface * \param[in] pmt Media type to check * * \return S_OK - success * \return S_FALSE - pin rejects media type * */ static HRESULT STDCALL COutputPin_QueryAccept(IPin * This, /* [in] */ const AM_MEDIA_TYPE *pmt) { return output_unimplemented("COutputPin_QueryAccept", This); } /** * \brief IPin::EnumMediaTypes (enumerates the pin's preferred media types) * * \param[in] This pointer to IPin interface * \param[out] ppEnum adress of variable that receives pointer to IEnumMEdiaTypes interface * * \return S_OK - success * \return E_OUTOFMEMORY - Insufficient memory * \return E_POINTER - Null pointer * * \note * Caller must call Release on received interface when done * */ static HRESULT STDCALL COutputPin_EnumMediaTypes(IPin * This, /* [out] */ IEnumMediaTypes **ppEnum) { Debug printf("COutputPin_EnumMediaTypes(%p) called\n",This); if (!ppEnum) return E_INVALIDARG; *ppEnum = (IEnumMediaTypes*) CEnumMediaTypesCreate(&((COutputPin*)This)->type); return 0; } /** * \brief IPin::QueryInternalConnections (retries pin's internal connections) * * \param[in] This pointer to IPin interface * \param[out] apPin Array that receives pins, internally connected to this * \param[in,out] nPint Size of an array * * \return S_OK - success * \return S_FALSE - pin rejects media type * \return E_NOTIMPL - not implemented * */ static HRESULT STDCALL COutputPin_QueryInternalConnections(IPin * This, /* [out] */ IPin **apPin, /* [out][in] */ ULONG *nPin) { return output_unimplemented("COutputPin_QueryInternalConnections", This); } /** * \brief IPin::EndOfStream (notifies pin, that no data is expected, until new run command) * * \param[in] This pointer to IPin interface * * \return S_OK - success * \return E_UNEXPECTED - The pin is output pin * * \note * IMemoryInputPin::Receive,IMemoryInputPin::ReceiveMultiple, IMemoryInputPin::EndOfStream, * IMemAllocator::GetBuffer runs in different (streaming) thread then other * methods (application thread). * IMemoryInputPin::NewSegment runs either in streaming or application thread. * Developer must use critical sections for thread-safing work. * */ static HRESULT STDCALL COutputPin_EndOfStream(IPin * This) { return output_unimplemented("COutputPin_EndOfStream", This); } /** * \brief IPin::BeginFlush (begins a flush operation) * * \param[in] This pointer to IPin interface * * \return S_OK - success * \return E_UNEXPECTED - The pin is output pin * */ static HRESULT STDCALL COutputPin_BeginFlush(IPin * This) { return output_unimplemented("COutputPin_BeginFlush", This); } /** * \brief IPin::EndFlush (ends a flush operation) * * \param[in] This pointer to IPin interface * * \return S_OK - success * \return E_UNEXPECTED - The pin is output pin * */ static HRESULT STDCALL COutputPin_EndFlush(IPin * This) { return output_unimplemented("COutputPin_EndFlush", This); } /** * \brief IPin::NewSegment (media sample received after this call grouped as segment with common * start,stop time and rate) * * \param[in] This pointer to IPin interface * \param[in] tStart start time of new segment * \param[in] tStop end time of new segment * \param[in] dRate rate at wich segment should be processed * * \return S_OK - success * \return E_UNEXPECTED - The pin is output pin * */ static HRESULT STDCALL COutputPin_NewSegment(IPin * This, /* [in] */ REFERENCE_TIME tStart, /* [in] */ REFERENCE_TIME tStop, /* [in] */ double dRate) { Debug printf("COutputPin_NewSegment(%Ld,%Ld,%f) called\n", tStart, tStop, dRate); return 0; } // IMemInputPin->IUnknown methods /** * \brief IUnknown::QueryInterface (query object for interface) * * \param[in] This pointer to IUnknown interface * \param[in] iid GUID of requested interface * \param[out] ppv receives pointer to interface * * \return S_OK - success (and *ppv contains valid pointer) * \return E_NOINTERFACE - interface not found (and *ppv was set NULL) * * \note * Make sure to call Release on received interface when you are done * */ static HRESULT STDCALL COutputMemPin_QueryInterface(IUnknown* This, const GUID* iid, void** ppv) { COutputMemPin* p = (COutputMemPin*)This; Debug printf("COutputMemPin_QueryInterface(%p) called\n", This); if (!ppv) return E_INVALIDARG; if(!memcmp(iid, &IID_IUnknown, 16)) { *ppv = p; p->vt->AddRef(This); return 0; } /*if(!memcmp(iid, &IID_IPin, 16)) { COutputPin* ptr=(COutputPin*)(This-1); *ppv=(void*)ptr; AddRef((IUnknown*)ptr); return 0; }*/ if(!memcmp(iid, &IID_IMemInputPin, 16)) { *ppv = p; p->vt->AddRef(This); return 0; } Debug printf("Unknown interface : %08x-%04x-%04x-%02x%02x-" \ "%02x%02x%02x%02x%02x%02x\n", iid->f1, iid->f2, iid->f3, (unsigned char)iid->f4[1], (unsigned char)iid->f4[0], (unsigned char)iid->f4[2], (unsigned char)iid->f4[3], (unsigned char)iid->f4[4], (unsigned char)iid->f4[5], (unsigned char)iid->f4[6], (unsigned char)iid->f4[7]); return E_NOINTERFACE; } // IMemInputPin methods /** * \brief IMemInputPin::GetAllocator (retrives memory allocator, proposed by pin) * * \param[in] This pointer to IMemInputPin interface * \param[out] ppAllocator address of variable that receives allocator's IMemAllocator interface * * \return S_OK - success * \return VFW_E_NO_ALLOCATOR - No allocator * * \note * Make sure to call Release on received interface when you are done * */ static HRESULT STDCALL COutputMemPin_GetAllocator(IMemInputPin* This, /* [out] */ IMemAllocator** ppAllocator) { Debug printf("COutputMemPin_GetAllocator(%p, %p) called\n", This->vt, ppAllocator); *ppAllocator = (IMemAllocator*) MemAllocatorCreate(); return 0; } /** * * \brief IMemInputPin::NotifyAllocator (specifies an allocator for the connection) * * \param[in] This pointer to IMemInputPin interface * \param[in] pAllocator allocator's IMemAllocator interface * \param[in] bReadOnly specifies whether samples from allocator are readonly * * \return S_OK - success * \return Apropriate error code otherwise * */ static HRESULT STDCALL COutputMemPin_NotifyAllocator(IMemInputPin* This, /* [in] */ IMemAllocator* pAllocator, /* [in] */ int bReadOnly) { Debug printf("COutputMemPin_NotifyAllocator(%p, %p) called\n", This, pAllocator); ((COutputMemPin*)This)->pAllocator = (MemAllocator*) pAllocator; return 0; } /** * \brief IMemInputPin::GetAllocatorRequirements (retrieves allocator properties requested by * input pin) * * \param[in] This pointer to IMemInputPin interface * \param[out] pProps pointer to a structure that receives allocator properties * * \return S_OK - success * \return E_NOTIMPL - Not implemented * \return E_POINTER - Null pointer * */ static HRESULT STDCALL COutputMemPin_GetAllocatorRequirements(IMemInputPin* This, /* [out] */ ALLOCATOR_PROPERTIES* pProps) { return output_unimplemented("COutputMemPin_GetAllocatorRequirements", This); } /** * \brief IMemInputPin::Receive (receives the next media sample int thre stream) * * \param[in] This pointer to IMemInputPin interface * \param[in] pSample pointer to sample's IMediaSample interface * * \return S_OK - success * \return S_FALSE - The sample was rejected * \return E_POINTER - Null pointer * \return VFW_E_INVALIDMEDIATYPE - invalid media type * \return VFW_E_RUNTIME_ERROR - run-time error occured * \return VFW_E_WRONG_STATE - pin is stopped * * \remarks * Method san do on of the following: * - reject sample * - accept sample and process it in another thread * - accept sample and process it before returning * * In second case method should increase reference count for sample (through AddRef) * In the last case method might block indefinitely. If this might * happen IMemInpuPin::ReceiveCAnBlock returns S_OK * * \note * IMemoryInputPin::Receive,IMemoryInputPin::ReceiveMultiple, IMemoryInputPin::EndOfStream, * IMemAllocator::GetBuffer runs in different (streaming) thread then other * methods (application thread). * IMemoryInputPin::NewSegment runs either in streaming or application thread. * Developer must use critical sections for thread-safing work. * */ static HRESULT STDCALL COutputMemPin_Receive(IMemInputPin* This, /* [in] */ IMediaSample* pSample) { Debug printf("COutputMemPin_Receive(%p) called\n", This); if (!pSample) return E_INVALIDARG; if(((COutputMemPin*)This)->parent->SampleProc) return ((COutputMemPin*)This)->parent->SampleProc(((COutputMemPin*)This)->parent->pUserData,pSample); //reject sample return S_FALSE; } /** * \brief IMemInputPin::ReceiveMultiple (receives multiple samples in the stream) * * \param[in] This pointer to IMemInputPin interface * \param[in] pSamples pointer to array with samples * \param[in] nSamples number of samples in array * \param[out] nSamplesProcessed number of processed samples * * \return S_OK - success * \return S_FALSE - The sample was rejected * \return E_POINTER - Null pointer * \return VFW_E_INVALIDMEDIATYPE - invalid media type * \return VFW_E_RUNTIME_ERROR - run-time error occured * \return VFW_E_WRONG_STATE - pin is stopped * * \remarks * This method behaves like IMemInputPin::Receive but for array of samples * * \note * IMemoryInputPin::Receive,IMemoryInputPin::ReceiveMultiple, IMemoryInputPin::EndOfStream, * IMemAllocator::GetBuffer runs in different (streaming) thread then other * methods (application thread). * IMemoryInputPin::NewSegment runs either in streaming or application thread. * Developer must use critical sections for thread-safing work. * */ static HRESULT STDCALL COutputMemPin_ReceiveMultiple(IMemInputPin * This, /* [size_is][in] */ IMediaSample **pSamples, /* [in] */ long nSamples, /* [out] */ long *nSamplesProcessed) { HRESULT hr; Debug printf("COutputMemPin_ReceiveMultiple(%p) %ld\n", This,nSamples); for(*nSamplesProcessed=0; *nSamplesProcessed < nSamples; *nSamplesProcessed++) { hr = This->vt->Receive(This,pSamples[*nSamplesProcessed]); if (hr != S_OK) break; } return hr; } /** * \brief IMemInputPin::ReceiveCanBlock (determines whether IMemInputPin:::Receive might block) * * \param[in] This pointer to IMemInputPin interface * * \return S_OK - the pin might block * \return S_FALSE - the pin will not block * */ static HRESULT STDCALL COutputMemPin_ReceiveCanBlock(IMemInputPin * This) { return output_unimplemented("COutputMemPin_ReceiveCanBlock", This); } /** * \brief COutputPin::SetNewFormat(sets new media format for the pin) * * \param[in] This pointer to COutputPin class * \param[in] amt new media format * */ static void COutputPin_SetNewFormat(COutputPin* This, const AM_MEDIA_TYPE* amt) { CopyMediaType(&(This->type),amt); } /** * \brief COutputPin destructor * * \param[in] This pointer to COutputPin class * */ static void COutputPin_Destroy(COutputPin* This) { if (This->mempin->vt) free(This->mempin->vt); if (This->mempin) free(This->mempin); if (This->vt) free(This->vt); FreeMediaType(&(This->type)); free(This); } /** * \brief IUnknown::AddRef (increases reference counter for interface) * * \param[in] This pointer to IUnknown class * * \return new value of reference counter * * \remarks * Return value should be used only for debug purposes * */ static HRESULT STDCALL COutputPin_AddRef(IUnknown* This) { Debug printf("COutputPin_AddRef(%p) called (%d)\n", This, ((COutputPin*)This)->refcount); ((COutputPin*)This)->refcount++; return 0; } /** * \brief IUnknown::Release (desreases reference counter for interface) * * \param[in] This pointer to IUnknown class * * \return new value of reference counter * * \remarks * When reference counter reaches zero calls destructor * Return value should be used only for debug purposes * */ static HRESULT STDCALL COutputPin_Release(IUnknown* This) { Debug printf("COutputPin_Release(%p) called (%d)\n", This, ((COutputPin*)This)->refcount); if (--((COutputPin*)This)->refcount <= 0) COutputPin_Destroy((COutputPin*)This); return 0; } /** * \brief IUnknown::AddRef (increases reference counter for interface) * * \param[in] This pointer to IUnknown class * * \return new value of reference counter * * \remarks * Return value should be used only for debug purposes * */ static HRESULT STDCALL COutputMemPin_AddRef(IUnknown* This) { COutputMemPin* p = (COutputMemPin*) This; Debug printf("COutputMemPin_AddRef(%p) called (%p, %d)\n", p, p->parent, p->parent->refcount); p->parent->refcount++; return 0; } /** * \brief IUnknown::Release (desreases reference counter for interface) * * \param[in] This pointer to IUnknown class * * \return new value of reference counter * * \remarks * When reference counter reaches zero calls destructor * Return value should be used only for debug purposes * */ static HRESULT STDCALL COutputMemPin_Release(IUnknown* This) { COutputMemPin* p = (COutputMemPin*) This; Debug printf("COutputMemPin_Release(%p) called (%p, %d)\n", p, p->parent, p->parent->refcount); if (--p->parent->refcount <= 0) COutputPin_Destroy(p->parent); return 0; } /** * \brief COutputPin constructor * * \param[in] amt media type for pin * * \return pointer to COutputPin if success * \return NULL if error occured * */ COutputPin* COutputPinCreate(const AM_MEDIA_TYPE* amt,SAMPLEPROC SampleProc,void* pUserData) { COutputPin* This = malloc(sizeof(COutputPin)); IMemInputPin_vt* ivt; if (!This) return NULL; This->vt = malloc(sizeof(IPin_vt)); This->mempin = malloc(sizeof(COutputMemPin)); ivt = malloc(sizeof(IMemInputPin_vt)); if (!This->vt || !This->mempin || !ivt) { COutputPin_Destroy(This); free(ivt); return NULL; } This->SampleProc=SampleProc; This->pUserData=pUserData; This->mempin->vt = ivt; This->refcount = 1; This->remote = 0; CopyMediaType(&(This->type),amt); This->vt->QueryInterface = COutputPin_QueryInterface; This->vt->AddRef = COutputPin_AddRef; This->vt->Release = COutputPin_Release; This->vt->Connect = COutputPin_Connect; This->vt->ReceiveConnection = COutputPin_ReceiveConnection; This->vt->Disconnect = COutputPin_Disconnect; This->vt->ConnectedTo = COutputPin_ConnectedTo; This->vt->ConnectionMediaType = COutputPin_ConnectionMediaType; This->vt->QueryPinInfo = COutputPin_QueryPinInfo; This->vt->QueryDirection = COutputPin_QueryDirection; This->vt->QueryId = COutputPin_QueryId; This->vt->QueryAccept = COutputPin_QueryAccept; This->vt->EnumMediaTypes = COutputPin_EnumMediaTypes; This->vt->QueryInternalConnections = COutputPin_QueryInternalConnections; This->vt->EndOfStream = COutputPin_EndOfStream; This->vt->BeginFlush = COutputPin_BeginFlush; This->vt->EndFlush = COutputPin_EndFlush; This->vt->NewSegment = COutputPin_NewSegment; This->mempin->vt->QueryInterface = COutputMemPin_QueryInterface; This->mempin->vt->AddRef = COutputMemPin_AddRef; This->mempin->vt->Release = COutputMemPin_Release; This->mempin->vt->GetAllocator = COutputMemPin_GetAllocator; This->mempin->vt->NotifyAllocator = COutputMemPin_NotifyAllocator; This->mempin->vt->GetAllocatorRequirements = COutputMemPin_GetAllocatorRequirements; This->mempin->vt->Receive = COutputMemPin_Receive; This->mempin->vt->ReceiveMultiple = COutputMemPin_ReceiveMultiple; This->mempin->vt->ReceiveCanBlock = COutputMemPin_ReceiveCanBlock; This->mempin->frame_size_pointer = 0; This->mempin->frame_pointer = 0; This->mempin->pAllocator = 0; This->mempin->refcount = 1; This->mempin->parent = This; This->SetNewFormat = COutputPin_SetNewFormat; return This; }