mpv/loader/dshow/inputpin.c

1496 lines
40 KiB
C

/*
* Modified for use with MPlayer, detailed changelog at
* http://svn.mplayerhq.hu/mplayer/trunk/
* $Id$
*/
#include "inputpin.h"
#include "mediatype.h"
#include "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 = (CEnumPins*) malloc(sizeof(CEnumPins));
if (!This)
return NULL;
This->refcount = 1;
This->pin1 = p;
This->pin2 = pp;
This->counter = 0;
This->vt = (IEnumPins_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 = (CInputPin*) malloc(sizeof(CInputPin));
if (!This)
return NULL;
This->refcount = 1;
This->parent = p;
CopyMediaType(&(This->type),amt);
This->vt= (IPin_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)
{
if (This->vt)
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 = (CBaseFilter*) 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 = (IBaseFilter_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 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 CBaseFilter2_JoinFilterGraph(IBaseFilter* This,
/* [in] */ IFilterGraph* pGraph,
/* [string][in] */
const unsigned short* pName)
{
Debug unimplemented("CBaseFilter2_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 CBaseFilter2_QueryVendorInfo(IBaseFilter* This,
/* [string][out] */
unsigned short** pVendorInfo)
{
Debug unimplemented("CBaseFilter2_QueryVendorInfo", This);
return E_NOTIMPL;
}
/**
* \brief CBaseFilter2::GetPin (gets used pin)
*
* \param[in] This pointer to CBaseFilter2 object
*
* \return pointer to used pin's IPin interface
*
*/
static IPin* CBaseFilter2_GetPin(CBaseFilter2* This)
{
return This->pin;
}
/**
* \brief CBaseFilter2 destructor
*
* \param[in] This pointer to CBaseFilter2 object
*
*/
static void CBaseFilter2_Destroy(CBaseFilter2* This)
{
Debug printf("CBaseFilter2_Destroy(%p) called\n", This);
if (This->pin)
This->pin->vt->Release((IUnknown*) This->pin);
if (This->vt)
free(This->vt);
free(This);
}
IMPLEMENT_IUNKNOWN(CBaseFilter2)
static GUID CBaseFilter2_interf1 =
{0x76c61a30, 0xebe1, 0x11cf, {0x89, 0xf9, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xcb}};
/// IID_IAMNetShowPreroll
static GUID CBaseFilter2_interf2 =
{0xaae7e4e2, 0x6388, 0x11d1, {0x8d, 0x93, 0x00, 0x60, 0x97, 0xc9, 0xa2, 0xb2}};
/// IID_IAMRebuild
static GUID CBaseFilter2_interf3 =
{0x02ef04dd, 0x7580, 0x11d1, {0xbe, 0xce, 0x00, 0xc0, 0x4f, 0xb6, 0xe9, 0x37}};
/**
* \brief CBaseFilter2 constructor
*
* \return pointer to CBaseFilter2 object or NULL if error occured
*
*/
CBaseFilter2* CBaseFilter2Create()
{
CBaseFilter2* This = (CBaseFilter2*) malloc(sizeof(CBaseFilter2));
if (!This)
return NULL;
This->refcount = 1;
This->pin = (IPin*) CRemotePin2Create(This);
This->vt = (IBaseFilter_vt*) malloc(sizeof(IBaseFilter_vt));
if (!This->pin || !This->vt)
{
CBaseFilter2_Destroy(This);
return NULL;
}
memset(This->vt, 0, sizeof(IBaseFilter_vt));
This->vt->QueryInterface = CBaseFilter2_QueryInterface;
This->vt->AddRef = CBaseFilter2_AddRef;
This->vt->Release = CBaseFilter2_Release;
This->vt->GetClassID = CBaseFilter2_GetClassID;
This->vt->Stop = CBaseFilter2_Stop;
This->vt->Pause = CBaseFilter2_Pause;
This->vt->Run = CBaseFilter2_Run;
This->vt->GetState = CBaseFilter2_GetState;
This->vt->SetSyncSource = CBaseFilter2_SetSyncSource;
This->vt->GetSyncSource = CBaseFilter2_GetSyncSource;
This->vt->EnumPins = CBaseFilter2_EnumPins;
This->vt->FindPin = CBaseFilter2_FindPin;
This->vt->QueryFilterInfo = CBaseFilter2_QueryFilterInfo;
This->vt->JoinFilterGraph = CBaseFilter2_JoinFilterGraph;
This->vt->QueryVendorInfo = CBaseFilter2_QueryVendorInfo;
This->GetPin = CBaseFilter2_GetPin;
This->interfaces[0] = IID_IUnknown;
This->interfaces[1] = IID_IBaseFilter;
This->interfaces[2] = CBaseFilter2_interf1;
This->interfaces[3] = CBaseFilter2_interf2;
This->interfaces[4] = CBaseFilter2_interf3;
return This;
}
/*************
* CRemotePin
*************/
/**
* \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 CRemotePin_ConnectedTo(IPin* This, /* [out] */ IPin** pPin)
{
Debug printf("CRemotePin_ConnectedTo(%p) called\n", This);
if (!pPin)
return E_INVALIDARG;
*pPin = ((CRemotePin*)This)->remote_pin;
(*pPin)->vt->AddRef((IUnknown*)(*pPin));
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 CRemotePin_QueryDirection(IPin* This,
/* [out] */ PIN_DIRECTION* pPinDir)
{
Debug printf("CRemotePin_QueryDirection(%p) called\n", This);
if (!pPinDir)
return E_INVALIDARG;
*pPinDir=PINDIR_INPUT;
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 long STDCALL CRemotePin_ConnectionMediaType(IPin* This, /* [out] */ AM_MEDIA_TYPE* pmt)
{
Debug unimplemented("CRemotePin_ConnectionMediaType", This);
return E_NOTIMPL;
}
/**
* \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 CRemotePin_QueryPinInfo(IPin* This, /* [out] */ PIN_INFO* pInfo)
{
CBaseFilter* lparent = ((CRemotePin*)This)->parent;
Debug printf("CRemotePin_QueryPinInfo(%p) called\n", This);
pInfo->dir= PINDIR_INPUT;
pInfo->pFilter = (IBaseFilter*) lparent;
lparent->vt->AddRef((IUnknown*)lparent);
pInfo->achName[0]=0;
return 0;
}
/**
* \brief CRemotePin destructor
*
* \param[in] This pointer to CRemotePin object
*
*/
static void CRemotePin_Destroy(CRemotePin* This)
{
Debug printf("CRemotePin_Destroy(%p) called\n", This);
free(This->vt);
free(This);
}
IMPLEMENT_IUNKNOWN(CRemotePin)
/**
* \brief CRemotePin constructor
*
* \param[in] pt parent filter
* \param[in] rpin remote pin
*
* \return pointer to CRemotePin or NULL if error occured
*
*/
CRemotePin* CRemotePinCreate(CBaseFilter* pt, IPin* rpin)
{
CRemotePin* This = (CRemotePin*) malloc(sizeof(CRemotePin));
if (!This)
return NULL;
Debug printf("CRemotePinCreate() called -> %p\n", This);
This->parent = pt;
This->remote_pin = rpin;
This->refcount = 1;
This->vt = (IPin_vt*) malloc(sizeof(IPin_vt));
if (!This->vt)
{
free(This);
return NULL;
}
memset(This->vt, 0, sizeof(IPin_vt));
This->vt->QueryInterface = CRemotePin_QueryInterface;
This->vt->AddRef = CRemotePin_AddRef;
This->vt->Release = CRemotePin_Release;
This->vt->QueryDirection = CRemotePin_QueryDirection;
This->vt->ConnectedTo = CRemotePin_ConnectedTo;
This->vt->ConnectionMediaType = CRemotePin_ConnectionMediaType;
This->vt->QueryPinInfo = CRemotePin_QueryPinInfo;
This->interfaces[0] = IID_IUnknown;
return This;
}
/*************
* CRemotePin2
*************/
/**
* \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 CRemotePin2_QueryPinInfo(IPin* This,
/* [out] */ PIN_INFO* pInfo)
{
CBaseFilter2* lparent=((CRemotePin2*)This)->parent;
Debug printf("CRemotePin2_QueryPinInfo(%p) called\n", This);
pInfo->pFilter=(IBaseFilter*)lparent;
lparent->vt->AddRef((IUnknown*)lparent);
pInfo->dir=PINDIR_OUTPUT;
pInfo->achName[0]=0;
return 0;
}
/**
* \brief CremotePin2 destructor
*
* \param This pointer to CRemotePin2 object
*
* FIXME - not being released!
*/
static void CRemotePin2_Destroy(CRemotePin2* This)
{
Debug printf("CRemotePin2_Destroy(%p) called\n", This);
free(This->vt);
free(This);
}
IMPLEMENT_IUNKNOWN(CRemotePin2)
/**
* \brief CRemotePin2 contructor
*
* \param[in] p pointer to parent CBaseFilter2 object
*
* \return pointer to CRemotePin2 object or NULL if error occured
*
*/
CRemotePin2* CRemotePin2Create(CBaseFilter2* p)
{
CRemotePin2* This = (CRemotePin2*) malloc(sizeof(CRemotePin2));
if (!This)
return NULL;
Debug printf("CRemotePin2Create() called -> %p\n", This);
This->parent = p;
This->refcount = 1;
This->vt = (IPin_vt*) malloc(sizeof(IPin_vt));
if (!This->vt)
{
free(This);
return NULL;
}
memset(This->vt, 0, sizeof(IPin_vt));
This->vt->QueryInterface = CRemotePin2_QueryInterface;
This->vt->AddRef = CRemotePin2_AddRef;
This->vt->Release = CRemotePin2_Release;
This->vt->QueryPinInfo = CRemotePin2_QueryPinInfo;
This->interfaces[0] = IID_IUnknown;
return This;
}