diff options
Diffstat (limited to 'loader/dshow/inputpin.c')
| -rw-r--r-- | loader/dshow/inputpin.c | 1492 |
1 files changed, 0 insertions, 1492 deletions
diff --git a/loader/dshow/inputpin.c b/loader/dshow/inputpin.c deleted file mode 100644 index f3ca4ba6c0..0000000000 --- a/loader/dshow/inputpin.c +++ /dev/null @@ -1,1492 +0,0 @@ -/* - * Modified for use with MPlayer, detailed changelog at - * http://svn.mplayerhq.hu/mplayer/trunk/ - */ - -#include "inputpin.h" -#include "mediatype.h" -#include "loader/wine/winerror.h" -#include <string.h> -#include <stdio.h> -#include <stdlib.h> - -static inline int unimplemented(const char* s, void* p) -{ - Debug printf("%s(%p) called (UNIMPLEMENTED)", s, p); - return E_NOTIMPL; -} - -/*********** - * EnumPins - ***********/ - -typedef struct -{ - IEnumPins_vt* vt; - DECLARE_IUNKNOWN(); - IPin* pin1; - IPin* pin2; - int counter; - GUID interfaces[2]; -} CEnumPins; - -/** - * \brief IEnumPins:Next (retrives a specified number of pins ) - * - * \param[in] This pointer to CEnumPins object - * \param[in] cMediaTypes number of pins to retrive - * \param[out] ppMediaTypes array of IPin interface pointers of size cMediaTypes - * \param[out] pcFetched address of variables that receives number of returned pins - * - * \return S_OK - success - * \return S_FALSE - did not return as meny pins as requested - * \return E_INVALIDARG Invalid argument - * \return E_POINTER Null pointer - * \return VFW_E_ENUM_OUT_OF_SYNC - filter's state has changed and is now inconsistent with enumerator - * - */ -static long STDCALL CEnumPins_Next(IEnumPins* This, - /* [in] */ unsigned long cMediaTypes, - /* [size_is][out] */ IPin** ppMediaTypes, - /* [out] */ unsigned long* pcFetched) -{ - CEnumPins* pin = (CEnumPins*)This; - - Debug printf("CEnumPins_Next(%p) called\n", This); - if (!ppMediaTypes) - return E_INVALIDARG; - if (!pcFetched && (cMediaTypes!=1)) - return E_INVALIDARG; - if (cMediaTypes<=0) - return 0; - - //lcounter = ((CEnumPins*)This)->counter; - //lpin1 = ((CEnumPins*)This)->pin1; - //lpin2 = ((CEnumPins*)This)->pin2; - if (((pin->counter == 2) && pin->pin2) - || ((pin->counter == 1) && !pin->pin2)) - { - if (pcFetched) - *pcFetched=0; - return 1; - } - - if (pcFetched) - *pcFetched=1; - if (pin->counter==0) - { - *ppMediaTypes = pin->pin1; - pin->pin1->vt->AddRef((IUnknown*)pin->pin1); - } - else - { - *ppMediaTypes = pin->pin2; - pin->pin2->vt->AddRef((IUnknown*)pin->pin2); - } - pin->counter++; - if (cMediaTypes == 1) - return 0; - return 1; -} - -/** - * \brief IEnumPins::Skip (skips over a specified number of pins) - * - * \param[in] This pointer to CEnumPinss object - * \param[in] cMediaTypes number of pins to skip - * - * \return S_OK - success - * \return S_FALSE - skipped past the end of the sequence - * \return VFW_E_ENUM_OUT_OF_SYNC - filter's state has changed and is now inconsistent with enumerator - * - */ -static long STDCALL CEnumPins_Skip(IEnumPins* This, - /* [in] */ unsigned long cMediaTypes) -{ - Debug unimplemented("CEnumPins_Skip", This); - return E_NOTIMPL; -} - -/** - * \brief IEnumPins::Reset (resets enumeration sequence to beginning) - * - * \param[in] This pointer to CEnumPins object - * - * \return S_OK - success - * - */ -static long STDCALL CEnumPins_Reset(IEnumPins* This) -{ - Debug printf("CEnumPins_Reset(%p) called\n", This); - ((CEnumPins*)This)->counter = 0; - return 0; -} - -/** - * \brief IEnumPins::Clone (makes a copy of enumerator, returned object - * starts at the same position as original) - * - * \param[in] This pointer to CEnumPins object - * \param[out] ppEnum address of variable that receives pointer to IEnumPins interface - * - * \return S_OK - success - * \return E_OUTOFMEMRY - Insufficient memory - * \return E_POINTER - Null pointer - * \return VFW_E_ENUM_OUT_OF_SYNC - filter's state has changed and is now inconsistent with enumerator - * - */ -static long STDCALL CEnumPins_Clone(IEnumPins* This, - /* [out] */ IEnumPins** ppEnum) -{ - Debug unimplemented("CEnumPins_Clone", This); - return E_NOTIMPL; -} - -/** - * \brief CEnumPins destructor - * - * \param[in] This pointer to CEnumPins object - * - */ -static void CEnumPins_Destroy(CEnumPins* This) -{ - free(This->vt); - free(This); -} - -IMPLEMENT_IUNKNOWN(CEnumPins) - -/** - * \brief CEnumPins constructor - * - * \param[in] p first pin for enumerator - * \param[in] pp second pin for enumerator - * - * \return pointer to CEnumPins object or NULL if error occured - * - */ -static CEnumPins* CEnumPinsCreate(IPin* p, IPin* pp) -{ - CEnumPins* This = malloc(sizeof(CEnumPins)); - - if (!This) - return NULL; - - This->refcount = 1; - This->pin1 = p; - This->pin2 = pp; - This->counter = 0; - - This->vt = malloc(sizeof(IEnumPins_vt)); - if (!This->vt) - { - free(This); - return NULL; - } - This->vt->QueryInterface = CEnumPins_QueryInterface; - This->vt->AddRef = CEnumPins_AddRef; - This->vt->Release = CEnumPins_Release; - This->vt->Next = CEnumPins_Next; - This->vt->Skip = CEnumPins_Skip; - This->vt->Reset = CEnumPins_Reset; - This->vt->Clone = CEnumPins_Clone; - - This->interfaces[0] = IID_IUnknown; - This->interfaces[1] = IID_IEnumPins; - - return This; -} - - - -/*********** - * InputPin - * - * WARNING: - * This is implementation of OUTPUT pin in DirectShow's terms - * - ***********/ - -/** - * \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 long STDCALL CInputPin_Connect(IPin* This, - /* [in] */ IPin* pReceivePin, - /* [in] */ AM_MEDIA_TYPE* pmt) -{ - Debug unimplemented("CInputPin_Connect", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_ReceiveConnection(IPin* This, - /* [in] */ IPin* pConnector, - /* [in] */ const AM_MEDIA_TYPE *pmt) -{ - Debug unimplemented("CInputPin_ReceiveConnection", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_Disconnect(IPin* This) -{ - Debug unimplemented("CInputPin_Disconnect", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_ConnectedTo(IPin* This, - /* [out] */ IPin** pPin) -{ - Debug unimplemented("CInputPin_ConnectedTo", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_ConnectionMediaType(IPin* This, - /* [out] */ AM_MEDIA_TYPE *pmt) -{ - Debug printf("CInputPin_ConnectionMediaType(%p) called\n", This); - if (!pmt) - return E_INVALIDARG; - CopyMediaType(pmt,&(((CInputPin*)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 long STDCALL CInputPin_QueryPinInfo(IPin* This, - /* [out] */ PIN_INFO *pInfo) -{ - CBaseFilter* lparent=((CInputPin*)This)->parent; - Debug printf("CInputPin_QueryPinInfo(%p) called\n", This); - pInfo->dir = PINDIR_OUTPUT; - pInfo->pFilter = (IBaseFilter*) lparent; - lparent->vt->AddRef((IUnknown*)lparent); - pInfo->achName[0] = 0; - return 0; -} - -/** - * \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 long STDCALL CInputPin_QueryDirection(IPin* This, - /* [out] */ PIN_DIRECTION *pPinDir) -{ - *pPinDir = PINDIR_OUTPUT; - Debug printf("CInputPin_QueryDirection(%p) called\n", This); - 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 long STDCALL CInputPin_QueryId(IPin* This, - /* [out] */ unsigned short* *Id) -{ - Debug unimplemented("CInputPin_QueryId", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_QueryAccept(IPin* This, - /* [in] */ const AM_MEDIA_TYPE* pmt) -{ - Debug unimplemented("CInputPin_QueryAccept", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_EnumMediaTypes(IPin* This, - /* [out] */ IEnumMediaTypes** ppEnum) -{ - Debug unimplemented("CInputPin_EnumMediaTypes", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_QueryInternalConnections(IPin* This, - /* [out] */ IPin** apPin, - /* [out][in] */ unsigned long *nPin) -{ - Debug unimplemented("CInputPin_QueryInternalConnections", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_EndOfStream(IPin * This) -{ - Debug unimplemented("CInputPin_EndOfStream", This); - return E_NOTIMPL; -} - - -/** - * \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 long STDCALL CInputPin_BeginFlush(IPin * This) -{ - Debug unimplemented("CInputPin_BeginFlush", This); - return E_NOTIMPL; -} - - -/** - * \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 long STDCALL CInputPin_EndFlush(IPin* This) -{ - Debug unimplemented("CInputPin_EndFlush", This); - return E_NOTIMPL; -} - -/** - * \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 long STDCALL CInputPin_NewSegment(IPin* This, - /* [in] */ REFERENCE_TIME tStart, - /* [in] */ REFERENCE_TIME tStop, - /* [in] */ double dRate) -{ - Debug unimplemented("CInputPin_NewSegment", This); - return E_NOTIMPL; -} - -/** - * \brief CInputPin destructor - * - * \param[in] This pointer to CInputPin class - * - */ -static void CInputPin_Destroy(CInputPin* This) -{ - free(This->vt); - FreeMediaType(&(This->type)); - free(This); -} - -IMPLEMENT_IUNKNOWN(CInputPin) - -/** - * \brief CInputPin constructor - * - * \param[in] amt media type for pin - * - * \return pointer to CInputPin if success - * \return NULL if error occured - * - */ -CInputPin* CInputPinCreate(CBaseFilter* p, const AM_MEDIA_TYPE* amt) -{ - CInputPin* This = malloc(sizeof(CInputPin)); - - if (!This) - return NULL; - - This->refcount = 1; - This->parent = p; - CopyMediaType(&(This->type),amt); - - This->vt= malloc(sizeof(IPin_vt)); - - if (!This->vt) - { - free(This); - return NULL; - } - - This->vt->QueryInterface = CInputPin_QueryInterface; - This->vt->AddRef = CInputPin_AddRef; - This->vt->Release = CInputPin_Release; - This->vt->Connect = CInputPin_Connect; - This->vt->ReceiveConnection = CInputPin_ReceiveConnection; - This->vt->Disconnect = CInputPin_Disconnect; - This->vt->ConnectedTo = CInputPin_ConnectedTo; - This->vt->ConnectionMediaType = CInputPin_ConnectionMediaType; - This->vt->QueryPinInfo = CInputPin_QueryPinInfo; - This->vt->QueryDirection = CInputPin_QueryDirection; - This->vt->QueryId = CInputPin_QueryId; - This->vt->QueryAccept = CInputPin_QueryAccept; - This->vt->EnumMediaTypes = CInputPin_EnumMediaTypes; - This->vt->QueryInternalConnections = CInputPin_QueryInternalConnections; - This->vt->EndOfStream = CInputPin_EndOfStream; - This->vt->BeginFlush = CInputPin_BeginFlush; - This->vt->EndFlush = CInputPin_EndFlush; - This->vt->NewSegment = CInputPin_NewSegment; - - This->interfaces[0]=IID_IUnknown; - - return This; -} - - -/************* - * BaseFilter - *************/ - -static long STDCALL CBaseFilter_GetClassID(IBaseFilter * This, - /* [out] */ CLSID *pClassID) -{ - Debug unimplemented("CBaseFilter_GetClassID", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::Stop (stops the filter) - * - * \param[in] This pointer to IBaseFilter interface - * - * \return S_OK success - * \return S_FALSE transition is not complete - * - * \remarks - * When filter is stopped it does onot deliver or process any samples and rejects any samples - * from upstream filter. - * Transition may be asynchronous. In this case method should return S_FALSE. - * Method always sets filter's state to State_Stopped even if error occured. - * - */ -static long STDCALL CBaseFilter_Stop(IBaseFilter* This) -{ - Debug unimplemented("CBaseFilter_Stop", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::Pause (pauses filter) - * - * \param[in] This pointer to IBaseFilter interface - * - * \return S_OK success - * \return S_FALSE transition is not complete - * - * \remarks - * When filter is paused it can receive, process and deliver samples. - * Live source filters do not deliver any samples while paused. - * Transition may be asynchronous. In this case method should return S_FALSE. - * Method always sets filter's state to State_Stopped even if error occured. - * - */ -static long STDCALL CBaseFilter_Pause(IBaseFilter* This) -{ - Debug unimplemented("CBaseFilter_Pause", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::Run (runs the filter) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] tStart Reference time corresponding to stream time 0. - * - * \return S_OK success - * \return S_FALSE transition is not complete - * - * \remarks - * When filter is running it can receive, process and deliver samples. Source filters - * generatesnew samples, and renderers renders them. - * Stream time is calculated as the current reference time minus tStart. - * Graph Manager sets tStart slightly in the future according to graph latency. - * - */ -static long STDCALL CBaseFilter_Run(IBaseFilter* This, REFERENCE_TIME tStart) -{ - Debug unimplemented("CBaseFilter_Run", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::GetState (retrieves the filter's state (running, stopped or paused)) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] dwMilliSecsTimeout Timeout interval in milliseconds. To block indifinitely pass - * INFINITE. - * \param[out] State pointer to variable that receives a member of FILTER_STATE enumeration. - * - * \return S_OK success - * \return E_POINTER Null pointer - * \return VFW_S_STATE_INTERMEDATE Intermediate state - * \return VFW_S_CANT_CUE The filter is active, but cannot deliver data. - * - */ -static long STDCALL CBaseFilter_GetState(IBaseFilter* This, - /* [in] */ unsigned long dwMilliSecsTimeout, - // /* [out] */ FILTER_STATE *State) - void* State) -{ - Debug unimplemented("CBaseFilter_GetState", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::SetSyncSource (sets the reference clock) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] pClock IReferenceClock interface of reference clock - * - * \return S_OK success - * \return apripriate error otherwise - * - */ -static long STDCALL CBaseFilter_SetSyncSource(IBaseFilter* This, - /* [in] */ IReferenceClock *pClock) -{ - Debug unimplemented("CBaseFilter_SetSyncSource", This); - return E_NOTIMPL; -} - -/** - * \brief IMediafilter::GetSyncSource (gets current reference clock) - * - * \param[in] This pointer to IBaseFilter interface - * \param[out] pClock address of variable that receives pointer to clock's - * IReferenceClock interface - * - * \return S_OK success - * \return E_POINTER Null pointer - * - */ -static long STDCALL CBaseFilter_GetSyncSource(IBaseFilter* This, - /* [out] */ IReferenceClock **pClock) -{ - Debug unimplemented("CBaseFilter_GetSyncSource", This); - return E_NOTIMPL; -} - - -/** - * \brief IBaseFilter::EnumPins (enumerates the pins of this filter) - * - * \param[in] This pointer to IBaseFilter interface - * \param[out] ppEnum address of variable that receives pointer to IEnumPins interface - * - * \return S_OK success - * \return E_OUTOFMEMORY Insufficient memory - * \return E_POINTER Null pointer - * - */ -static long STDCALL CBaseFilter_EnumPins(IBaseFilter* This, - /* [out] */ IEnumPins **ppEnum) -{ - Debug printf("CBaseFilter_EnumPins(%p) called\n", This); - *ppEnum = (IEnumPins*) CEnumPinsCreate(((CBaseFilter*)This)->pin, ((CBaseFilter*)This)->unused_pin); - return 0; -} - -/** - * \brief IBaseFilter::FindPin (retrieves the pin with specified id) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] Id constant wide string, containing pin id - * \param[out] ppPin address of variable that receives pointer to pin's IPin interface - * - * \return S_OK success - * \return E_POINTER Null pointer - * \return VFW_E_NOT_FOUND Could not find a pin with specified id - * - * \note - * Be sure to release the interface after use. - * - */ -static long STDCALL CBaseFilter_FindPin(IBaseFilter* This, - /* [string][in] */ const unsigned short* Id, - /* [out] */ IPin **ppPin) -{ - Debug unimplemented("CBaseFilter_FindPin\n", This); - return E_NOTIMPL; -} - -/** - * \brief IBaseFilter::QueryFilterInfo (retrieves information aboud the filter) - * - * \param[in] This pointer to IBaseFilter interface - * \param[out] pInfo pointer to FILTER_INFO structure - * - * \return S_OK success - * \return E_POINTER Null pointer - * - * \note - * If pGraph member of FILTER_INFO is not NULL, be sure to release IFilterGraph interface after use. - * - */ -static long STDCALL CBaseFilter_QueryFilterInfo(IBaseFilter* This, - // /* [out] */ FILTER_INFO *pInfo) - void* pInfo) -{ - Debug unimplemented("CBaseFilter_QueryFilterInfo", This); - return E_NOTIMPL; -} - -/** - * \brief IBaseFilter::JoinFilterGraph (notifies the filter that it has joined of left filter graph) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] pInfo pointer to graph's IFilterGraph interface or NULL if filter is leaving graph - * \param[in] pName pointer to wide character string that specifies a name for the filter - * - * \return S_OK success - * \return apropriate error code otherwise - * - * \remarks - * Filter should not call to graph's AddRef method. - * The IFilterGraph is guaranteed to be valid until graph manager calls this method again with - * the value NULL. - * - */ -static long STDCALL CBaseFilter_JoinFilterGraph(IBaseFilter* This, - /* [in] */ IFilterGraph* pGraph, - /* [string][in] */ const unsigned short* pName) -{ - Debug unimplemented("CBaseFilter_JoinFilterGraph", This); - return E_NOTIMPL; -} - -/** - * \brief IBaseFilter::QueryVendorInfo (retrieves a string containing vendor info) - * - * \param[in] This pointer to IBaseFilter interface - * \param[out] address of variable that receives pointer to a string containing vendor info - * - * \return S_OK success - * \return E_POINTER Null pointer - * \return E_NOTIMPL Not implemented - * - * \remarks - * Call to CoTaskMemFree to free memory allocated for string - * - */ -static long STDCALL CBaseFilter_QueryVendorInfo(IBaseFilter* This, - /* [string][out] */ unsigned short** pVendorInfo) -{ - Debug unimplemented("CBaseFilter_QueryVendorInfo", This); - return E_NOTIMPL; -} - -/** - * \brief CBaseFilter::GetPin (gets used pin) - * - * \param[in] This pointer to CBaseFilter object - * - * \return pointer to used pin's IPin interface - * - */ -static IPin* CBaseFilter_GetPin(CBaseFilter* This) -{ - return This->pin; -} - -/** - * \brief CBaseFilter::GetUnusedPin (gets used pin) - * - * \param[in] This pointer to CBaseFilter object - * - * \return pointer to unused pin's IPin interface - * - */ -static IPin* CBaseFilter_GetUnusedPin(CBaseFilter* This) -{ - return This->unused_pin; -} - -/** - * \brief CBaseFilter destructor - * - * \param[in] This pointer to CBaseFilter object - * - */ -static void CBaseFilter_Destroy(CBaseFilter* This) -{ - free(This->vt); - if (This->pin) - This->pin->vt->Release((IUnknown*)This->pin); - if (This->unused_pin) - This->unused_pin->vt->Release((IUnknown*)This->unused_pin); - free(This); -} - -IMPLEMENT_IUNKNOWN(CBaseFilter) - -/** - * \brief CBaseFilter constructor - * - * \param[in] type Pointer to media type for connection - * \param[in] parent Pointer to parent CBaseFilter2 object - * - * \return pointer to CBaseFilter object or NULL if error occured - * - */ -CBaseFilter* CBaseFilterCreate(const AM_MEDIA_TYPE* type, CBaseFilter2* parent) -{ - CBaseFilter* This = malloc(sizeof(CBaseFilter)); - if (!This) - return NULL; - - This->refcount = 1; - - This->pin = (IPin*) CInputPinCreate(This, type); - This->unused_pin = (IPin*) CRemotePinCreate(This, parent->GetPin(parent)); - - This->vt = malloc(sizeof(IBaseFilter_vt)); - if (!This->vt || !This->pin || !This->unused_pin) - { - CBaseFilter_Destroy(This); - return NULL; - } - - This->vt->QueryInterface = CBaseFilter_QueryInterface; - This->vt->AddRef = CBaseFilter_AddRef; - This->vt->Release = CBaseFilter_Release; - This->vt->GetClassID = CBaseFilter_GetClassID; - This->vt->Stop = CBaseFilter_Stop; - This->vt->Pause = CBaseFilter_Pause; - This->vt->Run = CBaseFilter_Run; - This->vt->GetState = CBaseFilter_GetState; - This->vt->SetSyncSource = CBaseFilter_SetSyncSource; - This->vt->GetSyncSource = CBaseFilter_GetSyncSource; - This->vt->EnumPins = CBaseFilter_EnumPins; - This->vt->FindPin = CBaseFilter_FindPin; - This->vt->QueryFilterInfo = CBaseFilter_QueryFilterInfo; - This->vt->JoinFilterGraph = CBaseFilter_JoinFilterGraph; - This->vt->QueryVendorInfo = CBaseFilter_QueryVendorInfo; - - This->interfaces[0] = IID_IUnknown; - This->interfaces[1] = IID_IBaseFilter; - - This->GetPin = CBaseFilter_GetPin; - This->GetUnusedPin = CBaseFilter_GetUnusedPin; - - return This; -} - - -/************** - * BaseFilter2 - **************/ - - -static long STDCALL CBaseFilter2_GetClassID(IBaseFilter* This, - /* [out] */ CLSID* pClassID) -{ - Debug unimplemented("CBaseFilter2_GetClassID", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::Stop (stops the filter) - * - * \param[in] This pointer to IBaseFilter interface - * - * \return S_OK success - * \return S_FALSE transition is not complete - * - * \remarks - * When filter is stopped it does onot deliver or process any samples and rejects any samples - * from upstream filter. - * Transition may be asynchronous. In this case method should return S_FALSE. - * Method always sets filter's state to State_Stopped even if error occured. - * - */ -static long STDCALL CBaseFilter2_Stop(IBaseFilter* This) -{ - Debug unimplemented("CBaseFilter2_Stop", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::Pause (pauses filter) - * - * \param[in] This pointer to IBaseFilter interface - * - * \return S_OK success - * \return S_FALSE transition is not complete - * - * \remarks - * When filter is paused it can receive, process and deliver samples. - * Live source filters do not deliver any samples while paused. - * Transition may be asynchronous. In this case method should return S_FALSE. - * Method always sets filter's state to State_Stopped even if error occured. - * - */ -static long STDCALL CBaseFilter2_Pause(IBaseFilter* This) -{ - Debug unimplemented("CBaseFilter2_Pause", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::Run (runs the filter) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] tStart Reference time corresponding to stream time 0. - * - * \return S_OK success - * \return S_FALSE transition is not complete - * - * \remarks - * When filter is running it can receive, process and deliver samples. Source filters - * generatesnew samples, and renderers renders them. - * Stream time is calculated as the current reference time minus tStart. - * Graph Manager sets tStart slightly in the future according to graph latency. - * - */ -static long STDCALL CBaseFilter2_Run(IBaseFilter* This, REFERENCE_TIME tStart) -{ - Debug unimplemented("CBaseFilter2_Run", This); - return E_NOTIMPL; -} - - -/** - * \brief IMediaFilter::GetState (retrieves the filter's state (running, stopped or paused)) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] dwMilliSecsTimeout Timeout interval in milliseconds. To block indifinitely pass - * INFINITE. - * \param[out] State pointer to variable that receives a member of FILTER_STATE enumeration. - * - * \return S_OK success - * \return E_POINTER Null pointer - * \return VFW_S_STATE_INTERMEDATE Intermediate state - * \return VFW_S_CANT_CUE The filter is active, but cannot deliver data. - * - */ -static long STDCALL CBaseFilter2_GetState(IBaseFilter* This, - /* [in] */ unsigned long dwMilliSecsTimeout, - // /* [out] */ FILTER_STATE *State) - void* State) -{ - Debug unimplemented("CBaseFilter2_GetState", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaFilter::SetSyncSource (sets the reference clock) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] pClock IReferenceClock interface of reference clock - * - * \return S_OK success - * \return apripriate error otherwise - * - */ -static long STDCALL CBaseFilter2_SetSyncSource(IBaseFilter* This, - /* [in] */ IReferenceClock* pClock) -{ - Debug unimplemented("CBaseFilter2_SetSyncSource", This); - return E_NOTIMPL; -} - -/** - * \brief IMediafilter::GetSyncSource (gets current reference clock) - * - * \param[in] This pointer to IBaseFilter interface - * \param[out] pClock address of variable that receives pointer to clock's - * IReferenceClock interface - * - * \return S_OK success - * \return E_POINTER Null pointer - * - */ -static long STDCALL CBaseFilter2_GetSyncSource(IBaseFilter* This, - /* [out] */ IReferenceClock** pClock) -{ - Debug unimplemented("CBaseFilter2_GetSyncSource", This); - return E_NOTIMPL; -} - -/** - * \brief IBaseFilter::EnumPins (enumerates the pins of this filter) - * - * \param[in] This pointer to IBaseFilter interface - * \param[out] ppEnum address of variable that receives pointer to IEnumPins interface - * - * \return S_OK success - * \return E_OUTOFMEMORY Insufficient memory - * \return E_POINTER Null pointer - * - */ -static long STDCALL CBaseFilter2_EnumPins(IBaseFilter* This, - /* [out] */ IEnumPins** ppEnum) -{ - Debug printf("CBaseFilter2_EnumPins(%p) called\n", This); - *ppEnum = (IEnumPins*) CEnumPinsCreate(((CBaseFilter2*)This)->pin, 0); - return 0; -} - -/** - * \brief IBaseFilter::FindPin (retrieves the pin with specified id) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] Id constant wide string, containing pin id - * \param[out] ppPin address of variable that receives pointer to pin's IPin interface - * - * \return S_OK success - * \return E_POINTER Null pointer - * \return VFW_E_NOT_FOUND Could not find a pin with specified id - * - * \note - * Be sure to release the interface after use. - * - */ -static long STDCALL CBaseFilter2_FindPin(IBaseFilter* This, - /* [string][in] */ const unsigned short* Id, - /* [out] */ IPin** ppPin) -{ - Debug unimplemented("CBaseFilter2_FindPin", This); - return E_NOTIMPL; -} - -/** - * \brief IBaseFilter::QueryFilterInfo (retrieves information aboud the filter) - * - * \param[in] This pointer to IBaseFilter interface - * \param[out] pInfo pointer to FILTER_INFO structure - * - * \return S_OK success - * \return E_POINTER Null pointer - * - * \note - * If pGraph member of FILTER_INFO is not NULL, be sure to release IFilterGraph interface after use. - * - */ -static long STDCALL CBaseFilter2_QueryFilterInfo(IBaseFilter* This, - // /* [out] */ FILTER_INFO *pInfo) - void* pInfo) -{ - Debug unimplemented("CBaseFilter2_QueryFilterInfo", This); - return E_NOTIMPL; -} - -/** - * \brief IBaseFilter::JoinFilterGraph (notifies the filter that it has joined of left filter graph) - * - * \param[in] This pointer to IBaseFilter interface - * \param[in] pInfo pointer to graph's IFilterGraph interface or NULL if filter is leaving graph - * \param[in] pName pointer to wide character string that specifies a name for the filter - * - * \return S_OK success - * \return apropriate error code otherwise - * - * \remarks - * Filter sh |