inputpin.c

linux下的MPEG1

{
    Debug unimplemented("CBaseFilter_JoinFilterGraph", This);
    return E_NOTIMPL;
}

static long STDCALL CBaseFilter_QueryVendorInfo(IBaseFilter* This,
						/* [string][out] */ unsigned short** pVendorInfo)
{
    Debug unimplemented("CBaseFilter_QueryVendorInfo", This);
    return E_NOTIMPL;
}

static IPin* CBaseFilter_GetPin(CBaseFilter* This)
{
    return This->pin;
}

static IPin* CBaseFilter_GetUnusedPin(CBaseFilter* This)
{
    return This->unused_pin;
}

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)

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;
}

static long STDCALL CBaseFilter2_Stop(IBaseFilter* This)
{
    Debug unimplemented("CBaseFilter2_Stop", This);
    return E_NOTIMPL;
}

static long STDCALL CBaseFilter2_Pause(IBaseFilter* This)
{
    Debug unimplemented("CBaseFilter2_Pause", This);
    return E_NOTIMPL;
}

static long STDCALL CBaseFilter2_Run(IBaseFilter* This, REFERENCE_TIME tStart)
{
    Debug unimplemented("CBaseFilter2_Run", This);
    return E_NOTIMPL;
}


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;
}

static long STDCALL CBaseFilter2_SetSyncSource(IBaseFilter* This,
					       /* [in] */ IReferenceClock* pClock)
{
    Debug unimplemented("CBaseFilter2_SetSyncSource", This);
    return E_NOTIMPL;
}

static long STDCALL CBaseFilter2_GetSyncSource(IBaseFilter* This,
					       /* [out] */ IReferenceClock** pClock)
{
    Debug unimplemented("CBaseFilter2_GetSyncSource", This);
    return E_NOTIMPL;
}

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;
}

static long STDCALL CBaseFilter2_FindPin(IBaseFilter* This,
					 /* [string][in] */ const unsigned short* Id,
					 /* [out] */ IPin** ppPin)
{
    Debug unimplemented("CBaseFilter2_FindPin", This);
    return E_NOTIMPL;
}

static long STDCALL CBaseFilter2_QueryFilterInfo(IBaseFilter* This,
						 // /* [out] */ FILTER_INFO *pInfo)
						 void* pInfo)
{
    Debug unimplemented("CBaseFilter2_QueryFilterInfo", This);
    return E_NOTIMPL;
}

static long STDCALL CBaseFilter2_JoinFilterGraph(IBaseFilter* This,
						 /* [in] */ IFilterGraph* pGraph,
						 /* [string][in] */
						  const unsigned short* pName)
{
    Debug unimplemented("CBaseFilter2_JoinFilterGraph", This);
    return E_NOTIMPL;
}

static long STDCALL CBaseFilter2_QueryVendorInfo(IBaseFilter* This,
						 /* [string][out] */
						 unsigned short** pVendorInfo)
{
    Debug unimplemented("CBaseFilter2_QueryVendorInfo", This);
    return E_NOTIMPL;
}

static IPin* CBaseFilter2_GetPin(CBaseFilter2* This)
{
    return This->pin;
}

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}};
static GUID CBaseFilter2_interf2 =
{0xaae7e4e2, 0x6388, 0x11d1, {0x8d, 0x93, 0x00, 0x60, 0x97, 0xc9, 0xa2, 0xb2}};
static GUID CBaseFilter2_interf3 =
{0x02ef04dd, 0x7580, 0x11d1, {0xbe, 0xce, 0x00, 0xc0, 0x4f, 0xb6, 0xe9, 0x37}};

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
 *************/


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;
}

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;
}

static long STDCALL CRemotePin_ConnectionMediaType(IPin* This, /* [out] */ AM_MEDIA_TYPE* pmt)
{
    Debug unimplemented("CRemotePin_ConnectionMediaType", This);
    return E_NOTIMPL;
}

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;
}

static void CRemotePin_Destroy(CRemotePin* This)
{
    Debug printf("CRemotePin_Destroy(%p) called\n", This);
    free(This->vt);
    free(This);
}

IMPLEMENT_IUNKNOWN(CRemotePin)

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
 *************/


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;
}

// 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)

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;
}