mpv/loader/dshow/inputpin.c

#include "inputpin.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define E_NOTIMPL 0x80004001
GUID CInputPin::interfaces[]=
{
 IID_IUnknown,
};
IMPLEMENT_IUNKNOWN(CInputPin) 

GUID CRemotePin::interfaces[]=
{ 
 IID_IUnknown,
};
IMPLEMENT_IUNKNOWN(CRemotePin)
 
GUID CRemotePin2::interfaces[]=
{
 IID_IUnknown,
}; 
IMPLEMENT_IUNKNOWN(CRemotePin2)
 
GUID CBaseFilter::interfaces[]=
{
 IID_IUnknown,
 IID_IBaseFilter,
};
IMPLEMENT_IUNKNOWN(CBaseFilter)

GUID CBaseFilter2::interfaces[]=
{
 IID_IUnknown,
 IID_IBaseFilter,
 {0x76c61a30, 0xebe1, 0x11cf, {0x89, 0xf9, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xcb}}, 
 {0xaae7e4e2, 0x6388, 0x11d1, {0x8d, 0x93, 0x00, 0x60, 0x97, 0xc9, 0xa2, 0xb2}}, 
 {0x02ef04dd, 0x7580, 0x11d1, {0xbe, 0xce, 0x00, 0xc0, 0x4f, 0xb6, 0xe9, 0x37}}, 
};
IMPLEMENT_IUNKNOWN(CBaseFilter2)

class CEnumPins: public IEnumPins
{
    IPin* pin1;
    IPin* pin2;
    int counter;
    static GUID interfaces[];
    DECLARE_IUNKNOWN(CEnumPins)
public:
    CEnumPins(IPin*, IPin* =0);
    ~CEnumPins(){delete vt;}
    static long STDCALL Next ( 
        IEnumPins * This,
        /* [in] */ unsigned long cMediaTypes,
        /* [size_is][out] */ IPin **ppMediaTypes,
        /* [out] */ unsigned long *pcFetched);
    
    static long STDCALL Skip ( 
        IEnumPins * This,
        /* [in] */ unsigned long cMediaTypes);
    
    static long STDCALL Reset ( 
        IEnumPins * This);
    
    static long STDCALL Clone ( 
        IEnumPins * This,
        /* [out] */ IEnumPins **ppEnum);

};
GUID CEnumPins::interfaces[]=
{
    IID_IUnknown,
    IID_IEnumPins,
};
IMPLEMENT_IUNKNOWN(CEnumPins)

CEnumPins::CEnumPins(IPin* p, IPin* pp): pin1(p), pin2(pp), counter(0), refcount(1)
{
    vt=new IEnumPins_vt;
    vt->QueryInterface = QueryInterface;
    vt->AddRef = AddRef;
    vt->Release = Release;
    vt->Next = Next; 
    vt->Skip = Skip; 
    vt->Reset = Reset;
    vt->Clone = Clone; 
}

long STDCALL CEnumPins::Next ( 
    IEnumPins * This,
    /* [in] */ unsigned long cMediaTypes,
    /* [size_is][out] */ IPin **ppMediaTypes,
    /* [out] */ unsigned long *pcFetched)
{
    IPin* pin1=((CEnumPins*)This)->pin1;
    IPin* pin2=((CEnumPins*)This)->pin2;
    Debug printf("CEnumPins::Next() called\n");
    if(!ppMediaTypes)return 0x80004003;
    if(!pcFetched && (cMediaTypes!=1))return 0x80004003;
    if(cMediaTypes<=0)return 0;
    int& counter=((CEnumPins*)This)->counter;
    if(((counter==2) && pin2) || ((counter==1) && !pin2))
    {
	if(pcFetched)*pcFetched=0;
	return 1;
    }
    
    if(pcFetched)*pcFetched=1;
    if(counter==0)
    {
	*ppMediaTypes=pin1;
	pin1->vt->AddRef((IUnknown*)pin1);
    }
    else
    {
	*ppMediaTypes=pin2;
	pin2->vt->AddRef((IUnknown*)pin2);
    }
    counter++;
    if(cMediaTypes==1)return 0;
    return 1;
}

long STDCALL CEnumPins::Skip ( 
    IEnumPins * This,
    /* [in] */ unsigned long cMediaTypes)
{
    Debug printf("CEnumPins::Skip() called\n");
    return E_NOTIMPL;
}

long STDCALL CEnumPins::Reset ( 
    IEnumPins * This)
{
    Debug printf("CEnumPins::Reset() called\n");
    ((CEnumPins*)This)->counter=0;
    return 0;
}

long STDCALL CEnumPins::Clone ( 
    IEnumPins * This,
    /* [out] */ IEnumPins **ppEnum)
{
    Debug printf("CEnumPins::Clone() called\n");
    return E_NOTIMPL;
}
 
CInputPin::CInputPin(CBaseFilter* p, const AM_MEDIA_TYPE& vh)
     : refcount(1), type(vh), parent(p)
{
    vt=new IPin_vt;
    vt->QueryInterface = QueryInterface;
    vt->AddRef = AddRef;
    vt->Release = Release;
    vt->Connect = Connect;
    vt->ReceiveConnection = ReceiveConnection;
    vt->Disconnect=Disconnect;
    vt->ConnectedTo = ConnectedTo;
    vt->ConnectionMediaType = ConnectionMediaType;
    vt->QueryPinInfo = QueryPinInfo;
    vt->QueryDirection = QueryDirection;
    vt->QueryId = QueryId;
    vt->QueryAccept = QueryAccept;
    vt->EnumMediaTypes = EnumMediaTypes;
    vt->QueryInternalConnections = QueryInternalConnections;
    vt->EndOfStream = EndOfStream;
    vt->BeginFlush = BeginFlush;
    vt->EndFlush = EndFlush;
    vt->NewSegment = NewSegment;
}

long STDCALL CInputPin::Connect ( 
    IPin * This,
    /* [in] */ IPin *pReceivePin,
    /* [in] */ AM_MEDIA_TYPE *pmt)
{
    Debug printf("CInputPin::Connect() called\n");
    return E_NOTIMPL;
}

long STDCALL CInputPin::ReceiveConnection ( 
    IPin * This,
    /* [in] */ IPin *pConnector,
    /* [in] */ const AM_MEDIA_TYPE *pmt)
{
    Debug printf("CInputPin::ReceiveConnection() called\n");
    return E_NOTIMPL;
}
	    
long STDCALL CInputPin::Disconnect ( 
    IPin * This)
{
    Debug printf("CInputPin::Disconnect() called\n");
    return E_NOTIMPL;
}


long STDCALL CInputPin::ConnectedTo ( 
    IPin * This,
    /* [out] */ IPin **pPin)
{
    Debug printf("CInputPin::ConnectedTo() called\n");
    return E_NOTIMPL;
}


long STDCALL CInputPin::ConnectionMediaType ( 
    IPin * This,
    /* [out] */ AM_MEDIA_TYPE *pmt)
{
    Debug printf("CInputPin::ConnectionMediaType() called\n");
    if(!pmt)return 0x80004003;
    *pmt=((CInputPin*)This)->type;
    if(pmt->cbFormat>0)
    {
	pmt->pbFormat=(char *)CoTaskMemAlloc(pmt->cbFormat);
	memcpy(pmt->pbFormat, ((CInputPin*)This)->type.pbFormat, pmt->cbFormat);
    }	
    return 0;
}

long STDCALL CInputPin::QueryPinInfo ( 
    IPin * This,
    /* [out] */ PIN_INFO *pInfo)
{
    Debug printf("CInputPin::QueryPinInfo() called\n");
    pInfo->dir=PINDIR_OUTPUT;
    CBaseFilter* parent=((CInputPin*)This)->parent;
    pInfo->pFilter=parent;
    parent->vt->AddRef((IUnknown*)parent);
    pInfo->achName[0]=0;
    return 0;
}


long STDCALL CInputPin::QueryDirection ( 
    IPin * This,
    /* [out] */ PIN_DIRECTION *pPinDir)
{
    *pPinDir=PINDIR_OUTPUT;
    Debug printf("CInputPin::QueryDirection() called\n");
    return 0;
}


long STDCALL CInputPin::QueryId ( 
    IPin * This,
    /* [out] */ unsigned short* *Id)
{
    Debug printf("CInputPin::QueryId() called\n");
    return E_NOTIMPL;
}


long STDCALL CInputPin::QueryAccept ( 
    IPin * This,
    /* [in] */ const AM_MEDIA_TYPE *pmt)
{
    Debug printf("CInputPin::QueryAccept() called\n");
    return E_NOTIMPL;
}


long STDCALL CInputPin::EnumMediaTypes ( 
    IPin * This,
    /* [out] */ IEnumMediaTypes **ppEnum)
{
    Debug printf("CInputPin::EnumMediaTypes() called\n");
    return E_NOTIMPL;
}


long STDCALL CInputPin::QueryInternalConnections ( 
    IPin * This,
    /* [out] */ IPin **apPin,
    /* [out][in] */ unsigned long *nPin)
{
    Debug printf("CInputPin::QueryInternalConnections() called\n");
    return E_NOTIMPL;
}

long STDCALL CInputPin::EndOfStream ( 
    IPin * This)
{
    Debug printf("CInputPin::EndOfStream() called\n");
    return E_NOTIMPL;
}
    
    
long STDCALL CInputPin::BeginFlush ( 
IPin * This)
{
    Debug printf("CInputPin::BeginFlush() called\n");
    return E_NOTIMPL;
}


long STDCALL CInputPin::EndFlush ( 
    IPin * This)
{
    Debug printf("CInputPin::EndFlush() called\n");
    return E_NOTIMPL;
}

long STDCALL CInputPin::NewSegment ( 
    IPin * This,
    /* [in] */ REFERENCE_TIME tStart,
    /* [in] */ REFERENCE_TIME tStop,
    /* [in] */ double dRate)
{
    Debug printf("CInputPin::NewSegment() called\n");
    return E_NOTIMPL;
}






CBaseFilter::CBaseFilter(const AM_MEDIA_TYPE& type, CBaseFilter2* parent)
    : refcount(1)
{
    pin=new CInputPin(this, type);
    unused_pin=new CRemotePin(this, parent->GetPin());
    vt=new IBaseFilter_vt;
    vt->QueryInterface = QueryInterface;
    vt->AddRef = AddRef;
    vt->Release = Release;
    vt->GetClassID = GetClassID;
    vt->Stop = Stop;
    vt->Pause = Pause;
    vt->Run = Run;
    vt->GetState = GetState; 
    vt->SetSyncSource = SetSyncSource;
    vt->GetSyncSource = GetSyncSource;
    vt->EnumPins = EnumPins;
    vt->FindPin = FindPin;
    vt->QueryFilterInfo = QueryFilterInfo;
    vt->JoinFilterGraph = JoinFilterGraph;
    vt->QueryVendorInfo = QueryVendorInfo;
}

long STDCALL CBaseFilter::GetClassID ( 
        IBaseFilter * This,
        /* [out] */ CLSID *pClassID)
{
    Debug printf("CBaseFilter::GetClassID() called\n");
    return E_NOTIMPL;
}    

long STDCALL CBaseFilter::Stop ( 
        IBaseFilter * This)
{
    Debug printf("CBaseFilter::Stop() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::Pause ( 
        IBaseFilter * This)
{
    Debug printf("CBaseFilter::Pause() called\n");
    return E_NOTIMPL;
}    
    
long STDCALL CBaseFilter::Run ( 
        IBaseFilter * This,
        REFERENCE_TIME tStart)
{
    Debug printf("CBaseFilter::Run() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::GetState ( 
        IBaseFilter * This,
        /* [in] */ unsigned long dwMilliSecsTimeout,
//        /* [out] */ FILTER_STATE *State)
    	void* State)
{
    Debug printf("CBaseFilter::GetState() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::SetSyncSource ( 
        IBaseFilter * This,
        /* [in] */ IReferenceClock *pClock)
{
    Debug printf("CBaseFilter::SetSyncSource() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::GetSyncSource ( 
        IBaseFilter * This,
        /* [out] */ IReferenceClock **pClock)
{
    Debug printf("CBaseFilter::GetSyncSource() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::EnumPins ( 
        IBaseFilter * This,
        /* [out] */ IEnumPins **ppEnum)
{
    Debug printf("CBaseFilter::EnumPins() called\n");
    *ppEnum=new CEnumPins(((CBaseFilter*)This)->pin, ((CBaseFilter*)This)->unused_pin);
    return 0;
}    

    
long STDCALL CBaseFilter::FindPin ( 
        IBaseFilter * This,
        /* [string][in] */ const unsigned short* Id,
        /* [out] */ IPin **ppPin)
{
    Debug printf("CBaseFilter::FindPin() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::QueryFilterInfo ( 
        IBaseFilter * This,
//        /* [out] */ FILTER_INFO *pInfo)
	void* pInfo)
{
    Debug printf("CBaseFilter::QueryFilterInfo() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::JoinFilterGraph ( 
        IBaseFilter * This,
        /* [in] */ IFilterGraph *pGraph,
        /* [string][in] */ const unsigned short* pName)
{
    Debug printf("CBaseFilter::JoinFilterGraph() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter::QueryVendorInfo ( 
        IBaseFilter * This,
        /* [string][out] */ unsigned short* *pVendorInfo)
{
    Debug printf("CBaseFilter::QueryVendorInfo() called\n");
    return E_NOTIMPL;
}    


CBaseFilter2::CBaseFilter2() : refcount(1)
{
    pin=new CRemotePin2(this);
    vt=new IBaseFilter_vt;
    memset(vt, 0, sizeof (IBaseFilter_vt));
    vt->QueryInterface = QueryInterface;
    vt->AddRef = AddRef;
    vt->Release = Release;
    vt->GetClassID = GetClassID;
    vt->Stop = Stop;
    vt->Pause = Pause;
    vt->Run = Run;
    vt->GetState = GetState; 
    vt->SetSyncSource = SetSyncSource;
    vt->GetSyncSource = GetSyncSource;
    vt->EnumPins = EnumPins;
    vt->FindPin = FindPin;
    vt->QueryFilterInfo = QueryFilterInfo;
    vt->JoinFilterGraph = JoinFilterGraph;
    vt->QueryVendorInfo = QueryVendorInfo;
}
CRemotePin2::CRemotePin2(CBaseFilter2* p):parent(p),
    refcount(1)
{
    vt=new IPin_vt;
    memset(vt, 0, sizeof (IPin_vt));
    vt->QueryInterface = QueryInterface;
    vt->AddRef = AddRef;
    vt->Release = Release;
    vt->QueryPinInfo=QueryPinInfo;
}
CRemotePin::CRemotePin(CBaseFilter* pt, IPin* rpin): parent(pt), remote_pin(rpin),
    refcount(1)
{
    vt=new IPin_vt;
    memset(vt, 0, sizeof (IPin_vt));
    vt->QueryInterface = QueryInterface;
    vt->AddRef = AddRef;
    vt->Release = Release;
    vt->QueryDirection = QueryDirection;
    vt->ConnectedTo = ConnectedTo;
    vt->ConnectionMediaType = ConnectionMediaType;
    vt->QueryPinInfo = QueryPinInfo;
}












long STDCALL CBaseFilter2::GetClassID ( 
        IBaseFilter * This,
        /* [out] */ CLSID *pClassID)
{
    Debug printf("CBaseFilter2::GetClassID() called\n");
    return E_NOTIMPL;
}    

long STDCALL CBaseFilter2::Stop ( 
        IBaseFilter * This)
{
    Debug printf("CBaseFilter2::Stop() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::Pause ( 
        IBaseFilter * This)
{
    Debug printf("CBaseFilter2::Pause() called\n");
    return E_NOTIMPL;
}    
    
long STDCALL CBaseFilter2::Run ( 
        IBaseFilter * This,
        REFERENCE_TIME tStart)
{
    Debug printf("CBaseFilter2::Run() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::GetState ( 
        IBaseFilter * This,
        /* [in] */ unsigned long dwMilliSecsTimeout,
//        /* [out] */ FILTER_STATE *State)
    	void* State)
{
    Debug printf("CBaseFilter2::GetState() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::SetSyncSource ( 
        IBaseFilter * This,
        /* [in] */ IReferenceClock *pClock)
{
    Debug printf("CBaseFilter2::SetSyncSource() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::GetSyncSource ( 
        IBaseFilter * This,
        /* [out] */ IReferenceClock **pClock)
{
    Debug printf("CBaseFilter2::GetSyncSource() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::EnumPins ( 
        IBaseFilter * This,
        /* [out] */ IEnumPins **ppEnum)
{
    Debug printf("CBaseFilter2::EnumPins() called\n");
    *ppEnum=new CEnumPins(((CBaseFilter2*)This)->pin);
    return 0;
}    

    
long STDCALL CBaseFilter2::FindPin ( 
        IBaseFilter * This,
        /* [string][in] */ const unsigned short* Id,
        /* [out] */ IPin **ppPin)
{
    Debug printf("CBaseFilter2::FindPin() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::QueryFilterInfo ( 
        IBaseFilter * This,
//        /* [out] */ FILTER_INFO *pInfo)
	void* pInfo)
{
    Debug printf("CBaseFilter2::QueryFilterInfo() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::JoinFilterGraph ( 
        IBaseFilter * This,
        /* [in] */ IFilterGraph *pGraph,
        /* [string][in] */ const unsigned short* pName)
{
    Debug printf("CBaseFilter2::JoinFilterGraph() called\n");
    return E_NOTIMPL;
}    

    
long STDCALL CBaseFilter2::QueryVendorInfo ( 
        IBaseFilter * This,
        /* [string][out] */ unsigned short* *pVendorInfo)
{
    Debug printf("CBaseFilter2::QueryVendorInfo() called\n");
    return E_NOTIMPL;
}    

long STDCALL CRemotePin::ConnectionMediaType ( 
    IPin * This,
    /* [out] */ AM_MEDIA_TYPE *pmt)
{
    Debug printf("CRemotePin::ConnectionMediaType() called\n");
    return E_NOTIMPL;
}

long STDCALL CRemotePin::QueryPinInfo ( 
    IPin * This,
    /* [out] */ PIN_INFO *pInfo)
{
    Debug printf("CRemotePin::QueryPinInfo() called\n");
    pInfo->dir=PINDIR_INPUT;
    CBaseFilter* parent=((CRemotePin*)This)->parent;
    pInfo->pFilter=parent;
    parent->vt->AddRef((IUnknown*)parent);
    pInfo->achName[0]=0;
    return 0;
}
    long STDCALL CRemotePin2::QueryPinInfo ( 
        IPin * This,
        /* [out] */ PIN_INFO *pInfo)
    {
	Debug printf("CRemotePin2::QueryPinInfo called\n");
	CBaseFilter2* parent=((CRemotePin2*)This)->parent;	
	pInfo->pFilter=(IBaseFilter*)parent;
	parent->vt->AddRef((IUnknown*)parent);
	pInfo->dir=PINDIR_OUTPUT;
	pInfo->achName[0]=0;
	return 0;	
    }
    long STDCALL CRemotePin::ConnectedTo ( 
        IPin * This,
        /* [out] */ IPin **pPin)
    {
    	Debug printf("CRemotePin::ConnectedTo called\n");
	if(!pPin)return 0x80004003;
	*pPin=((CRemotePin*)This)->remote_pin;
	(*pPin)->vt->AddRef((IUnknown*)(*pPin));
	return 0;
    }
    long STDCALL CRemotePin::QueryDirection (
        IPin * This,
        /* [out] */ PIN_DIRECTION *pPinDir)
    {
	Debug printf("CRemotePin::QueryDirection called\n");
	if(!pPinDir)return 0x80004003;
	*pPinDir=PINDIR_INPUT;
	return 0;
    }