reactos/dll/directx/msdvbnp/pin.cpp

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Network Provider for MPEG2 based networks
* FILE: dll/directx/msdvbnp/pin.cpp
* PURPOSE: IPin interface
*
* PROGRAMMERS: Johannes Anderwald (janderwald@reactos.org)
*/
#include "precomp.h"
#ifndef _MSC_VER
const GUID KSDATAFORMAT_TYPE_BDA_ANTENNA = {0x71985f41, 0x1ca1, 0x11d3, {0x9c, 0xc8, 0x0, 0xc0, 0x4f, 0x79, 0x71, 0xe0}};
const GUID GUID_NULL = {0x00000000L, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
#endif
class CPin : public IPin
{
public:
STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
STDMETHODIMP_(ULONG) AddRef()
{
InterlockedIncrement(&m_Ref);
return m_Ref;
}
STDMETHODIMP_(ULONG) Release()
{
InterlockedDecrement(&m_Ref);
if (!m_Ref)
{
delete this;
return 0;
}
return m_Ref;
}
//IPin methods
HRESULT STDMETHODCALLTYPE Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE Disconnect();
HRESULT STDMETHODCALLTYPE ConnectedTo(IPin **pPin);
HRESULT STDMETHODCALLTYPE ConnectionMediaType(AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE QueryPinInfo(PIN_INFO *pInfo);
HRESULT STDMETHODCALLTYPE QueryDirection(PIN_DIRECTION *pPinDir);
HRESULT STDMETHODCALLTYPE QueryId(LPWSTR *Id);
HRESULT STDMETHODCALLTYPE QueryAccept(const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE EnumMediaTypes(IEnumMediaTypes **ppEnum);
HRESULT STDMETHODCALLTYPE QueryInternalConnections(IPin **apPin, ULONG *nPin);
HRESULT STDMETHODCALLTYPE EndOfStream();
HRESULT STDMETHODCALLTYPE BeginFlush();
HRESULT STDMETHODCALLTYPE EndFlush();
HRESULT STDMETHODCALLTYPE NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
CPin(IBaseFilter * ParentFilter);
virtual ~CPin(){};
static LPCWSTR PIN_ID;
protected:
LONG m_Ref;
IBaseFilter * m_ParentFilter;
AM_MEDIA_TYPE m_MediaType;
IPin * m_Pin;
};
LPCWSTR CPin::PIN_ID = L"Antenna Out";
CPin::CPin(
IBaseFilter * ParentFilter) : m_Ref(0),
m_ParentFilter(ParentFilter),
m_Pin(0)
{
m_MediaType.majortype = KSDATAFORMAT_TYPE_BDA_ANTENNA;
m_MediaType.subtype = MEDIASUBTYPE_None;
m_MediaType.formattype = FORMAT_None;
m_MediaType.bFixedSizeSamples = true;
m_MediaType.bTemporalCompression = false;
m_MediaType.lSampleSize = sizeof(CHAR);
m_MediaType.pUnk = NULL;
m_MediaType.cbFormat = 0;
m_MediaType.pbFormat = NULL;
}
HRESULT
STDMETHODCALLTYPE
CPin::QueryInterface(
IN REFIID refiid,
OUT PVOID* Output)
{
if (IsEqualGUID(refiid, IID_IUnknown))
{
*Output = PVOID(this);
reinterpret_cast<IUnknown*>(*Output)->AddRef();
return NOERROR;
}
if (IsEqualGUID(refiid, IID_IPin))
{
*Output = (IPin*)(this);
reinterpret_cast<IPin*>(*Output)->AddRef();
return NOERROR;
}
WCHAR Buffer[MAX_PATH];
LPOLESTR lpstr;
StringFromCLSID(refiid, &lpstr);
swprintf(Buffer, L"CPin::QueryInterface: NoInterface for %s\n", lpstr);
OutputDebugStringW(Buffer);
CoTaskMemFree(lpstr);
return E_NOINTERFACE;
}
//-------------------------------------------------------------------
// IPin interface
//
HRESULT
STDMETHODCALLTYPE
CPin::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
{
HRESULT hr;
OutputDebugStringW(L"CPin::Connect called\n");
if (pmt)
{
hr = pReceivePin->QueryAccept(pmt);
if (FAILED(hr))
{
OutputDebugStringW(L"CPin::Connect QueryAccept failed\n");
return hr;
}
}
else
{
// query accept
hr = pReceivePin->QueryAccept(&m_MediaType);
if (FAILED(hr))
{
OutputDebugStringW(L"CPin::Connect QueryAccept pmt default failed\n");
return hr;
}
pmt = &m_MediaType;
}
// receive connection;
hr = pReceivePin->ReceiveConnection((IPin*)this, pmt);
if (SUCCEEDED(hr))
{
// increment reference count
pReceivePin->AddRef();
m_Pin = pReceivePin;
OutputDebugStringW(L"CPin::Connect success\n");
}
return hr;
}
HRESULT
STDMETHODCALLTYPE
CPin::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt)
{
return E_UNEXPECTED;
}
HRESULT
STDMETHODCALLTYPE
CPin::Disconnect( void)
{
#ifdef MSDVBNP_TRACE
OutputDebugStringW(L"CPin::Disconnect\n");
#endif
if (!m_Pin)
{
// pin was not connected
return S_FALSE;
}
m_Pin->Release();
m_Pin = NULL;
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
CPin::ConnectedTo(IPin **pPin)
{
#ifdef MSDVBNP_TRACE
OutputDebugStringW(L"CPin::ConnectedTo\n");
#endif
if (!pPin)
return E_POINTER;
if (m_Pin)
{
// increment reference count
m_Pin->AddRef();
*pPin = m_Pin;
return S_OK;
}
*pPin = NULL;
return VFW_E_NOT_CONNECTED;
}
HRESULT
STDMETHODCALLTYPE
CPin::ConnectionMediaType(AM_MEDIA_TYPE *pmt)
{
OutputDebugStringW(L"CPin::ConnectionMediaType NotImplemented\n");
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
CPin::QueryPinInfo(PIN_INFO *pInfo)
{
wcscpy(pInfo->achName, PIN_ID);
pInfo->dir = PINDIR_OUTPUT;
pInfo->pFilter = m_ParentFilter;
m_ParentFilter->AddRef();
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
CPin::QueryDirection(PIN_DIRECTION *pPinDir)
{
if (pPinDir)
{
*pPinDir = PINDIR_OUTPUT;
return S_OK;
}
return E_POINTER;
}
HRESULT
STDMETHODCALLTYPE
CPin::QueryId(LPWSTR *Id)
{
*Id = (LPWSTR)CoTaskMemAlloc(sizeof(PIN_ID));
if (!*Id)
return E_OUTOFMEMORY;
wcscpy(*Id, PIN_ID);
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
CPin::QueryAccept(const AM_MEDIA_TYPE *pmt)
{
OutputDebugStringW(L"CPin::QueryAccept NotImplemented\n");
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
CPin::EnumMediaTypes(IEnumMediaTypes **ppEnum)
{
AM_MEDIA_TYPE *MediaType = (AM_MEDIA_TYPE*)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
if (!MediaType)
{
return E_OUTOFMEMORY;
}
MediaType->majortype = KSDATAFORMAT_TYPE_BDA_ANTENNA;
MediaType->subtype = MEDIASUBTYPE_None;
MediaType->formattype = FORMAT_None;
MediaType->bFixedSizeSamples = true;
MediaType->bTemporalCompression = false;
MediaType->lSampleSize = sizeof(CHAR);
MediaType->pUnk = NULL;
MediaType->cbFormat = 0;
MediaType->pbFormat = NULL;
return CEnumMediaTypes_fnConstructor(NULL, 1, MediaType, IID_IEnumMediaTypes, (void**)ppEnum);
}
HRESULT
STDMETHODCALLTYPE
CPin::QueryInternalConnections(IPin **apPin, ULONG *nPin)
{
OutputDebugStringW(L"CPin::QueryInternalConnections NotImplemented\n");
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
CPin::EndOfStream( void)
{
OutputDebugStringW(L"CPin::EndOfStream NotImplemented\n");
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
CPin::BeginFlush( void)
{
OutputDebugStringW(L"CPin::BeginFlush NotImplemented\n");
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
CPin::EndFlush( void)
{
OutputDebugStringW(L"CPin::EndFlush NotImplemented\n");
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
CPin::NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
{
OutputDebugStringW(L"CPin::NewSegment NotImplemented\n");
return E_NOTIMPL;
}
HRESULT
WINAPI
CPin_fnConstructor(
IUnknown *pUnknown,
IBaseFilter * ParentFilter,
REFIID riid,
LPVOID * ppv)
{
CPin * handler = new CPin(ParentFilter);
#ifdef MSDVBNP_TRACE
WCHAR Buffer[MAX_PATH];
LPOLESTR lpstr;
StringFromCLSID(riid, &lpstr);
swprintf(Buffer, L"CPin_fnConstructor riid %s pUnknown %p\n", lpstr, pUnknown);
OutputDebugStringW(Buffer);
#endif
if (!handler)
return E_OUTOFMEMORY;
if (FAILED(handler->QueryInterface(riid, ppv)))
{
/* not supported */
delete handler;
return E_NOINTERFACE;
}
return NOERROR;
}