// get the stream time at which this sample should start and finish.
STDMETHODIMP
CMediaSample::GetTime(
REFERENCE_TIME * pTimeStart, // put time here
REFERENCE_TIME * pTimeEnd
)
{
ValidateReadWritePtr(pTimeStart,sizeof(REFERENCE_TIME));
ValidateReadWritePtr(pTimeEnd,sizeof(REFERENCE_TIME));
if (!(m_dwFlags & Sample_StopValid)) {
if (!(m_dwFlags & Sample_TimeValid)) {
return VFW_E_SAMPLE_TIME_NOT_SET;
} else {
*pTimeStart = m_Start;
// Make sure old stuff works
*pTimeEnd = m_Start + 1;
return VFW_S_NO_STOP_TIME;
}
}
*pTimeStart = m_Start;
*pTimeEnd = m_End;
return NOERROR;
}
//----------------------------------------------------------------------------
//! @brief 要求するメモリの詳細を設定する。
//! @param pRequest : バッファ要求を含む ALLOCATOR_PROPERTIES 構造体のポインタ
//! @param pActual : 実際のバッファ プロパティを受け取る ALLOCATOR_PROPERTIES 構造体のポインタ
//! @return エラーコード
//----------------------------------------------------------------------------
STDMETHODIMP TBufferRendererAllocator::SetProperties( ALLOCATOR_PROPERTIES* pRequest, ALLOCATOR_PROPERTIES* pActual )
{
CheckPointer( pActual, E_POINTER );
ValidateReadWritePtr( pActual, sizeof(ALLOCATOR_PROPERTIES) );
CAutoLock cObjectLock(this);
ZeroMemory( pActual, sizeof(ALLOCATOR_PROPERTIES) );
if( m_bCommitted == TRUE)
return VFW_E_ALREADY_COMMITTED;
if( m_lFree.GetCount() < m_lAllocated ) // m_lAllocatedが1個以上の時はエラーにした方がよい？
return VFW_E_BUFFERS_OUTSTANDING;
if( pRequest->cBuffers == 1 && pRequest->cbBuffer == m_pRenderer->GetBufferSize() &&
pRequest->cbAlign == 1 && pRequest->cbPrefix == 0 )
{
*pActual = *pRequest;
m_lSize = pRequest->cbBuffer;
m_lCount = pRequest->cBuffers;
m_lAlignment = pRequest->cbAlign;
m_lPrefix = pRequest->cbPrefix;
m_bChanged = TRUE;
return S_OK;
}
return VFW_E_BADALIGN;
}
STDMETHODIMP CTransInPlaceInputPin::GetAllocator(IMemAllocator ** ppAllocator)
{
CheckPointer(ppAllocator,E_POINTER);
ValidateReadWritePtr(ppAllocator,sizeof(IMemAllocator *));
CAutoLock cObjectLock(m_pLock);
HRESULT hr;
if ( m_pTIPFilter->m_pOutput->IsConnected() ) {
// Store the allocator we got
hr = m_pTIPFilter->OutputPin()->ConnectedIMemInputPin()
->GetAllocator( ppAllocator );
if (SUCCEEDED(hr)) {
m_pTIPFilter->OutputPin()->SetAllocator( *ppAllocator );
}
}
else {
// Help upstream filter (eg TIP filter which is having to do a copy)
// by providing a temp allocator here - we'll never use
// this allocator because when our output is connected we'll
// reconnect this pin
hr = CTransformInputPin::GetAllocator( ppAllocator );
}
return hr;
} // GetAllocator
STDMETHODIMP
CTransformOutputPin::NonDelegatingQueryInterface(REFIID riid, void **ppv) {
CheckPointer(ppv,E_POINTER);
ValidateReadWritePtr(ppv,sizeof(PVOID));
*ppv = NULL;
if(riid == IID_IMediaPosition || riid == IID_IMediaSeeking) {
// we should have an input pin by now
ASSERT(m_pTransformFilter->m_pInput != NULL);
if(m_pPosition == NULL) {
HRESULT hr = CreatePosPassThru(GetOwner(),
FALSE,
(IPin *)m_pTransformFilter->m_pInput,
&m_pPosition);
if(FAILED(hr)) {
return hr;
}
}
return m_pPosition->QueryInterface(riid, ppv);
}
else {
return CBaseOutputPin::NonDelegatingQueryInterface(riid, ppv);
}
}
STDMETHODIMP CStreamSwitcherOutputPin::NonDelegatingQueryInterface(REFIID riid, void** ppv)
{
CheckPointer(ppv, E_POINTER);
ValidateReadWritePtr(ppv, sizeof(PVOID));
*ppv = nullptr;
if (riid == IID_IMediaPosition || riid == IID_IMediaSeeking) {
if (m_pStreamSwitcherPassThru == nullptr) {
HRESULT hr = S_OK;
m_pStreamSwitcherPassThru = (IUnknown*)(INonDelegatingUnknown*)
DEBUG_NEW CStreamSwitcherPassThru(GetOwner(), &hr, static_cast<CStreamSwitcherFilter*>(m_pFilter));
if (!m_pStreamSwitcherPassThru) {
return E_OUTOFMEMORY;
}
if (FAILED(hr)) {
return hr;
}
}
return m_pStreamSwitcherPassThru->QueryInterface(riid, ppv);
}
/*
else if (riid == IID_IStreamBuilder)
{
return GetInterface((IStreamBuilder*)this, ppv);
}
*/
return CBaseOutputPin::NonDelegatingQueryInterface(riid, ppv);
}
//
// FindPin
//
// If Id is In or Out then return the IPin* for that pin
// creating the pin if need be. Otherwise return NULL with an error.
STDMETHODIMP CParserFilter::FindPin(LPCWSTR Id, IPin **ppPin)
{
CheckPointer(ppPin,E_POINTER);
ValidateReadWritePtr(ppPin,sizeof(IPin *));
if(0==lstrcmpW(Id,L"In")) {
*ppPin = GetPin(0);
}
else if(0==lstrcmpW(Id,L"Out")) {
*ppPin = GetPin(1);
}
else {
*ppPin = NULL;
return VFW_E_NOT_FOUND;
}
HRESULT hr = NOERROR;
// AddRef() returned pointer - but GetPin could fail if memory is low.
if(*ppPin) {
(*ppPin)->AddRef();
}
else {
hr = E_OUTOFMEMORY; // probably. There's no pin anyway.
}
return hr;
}
STDMETHODIMP CAnalyzerWriterFilter::GetClassID(CLSID *pClsID)
{
CheckPointer(pClsID,E_POINTER);
ValidateReadWritePtr(pClsID,sizeof(CLSID));
*pClsID = CLSID_FileWriter;
return NOERROR;
}
// get the media times (eg bytes) for this sample
STDMETHODIMP
CMediaSample::GetMediaTime(
LONGLONG * pTimeStart,
LONGLONG * pTimeEnd
)
{
ValidateReadWritePtr(pTimeStart,sizeof(LONGLONG));
ValidateReadWritePtr(pTimeEnd,sizeof(LONGLONG));
if (!(m_dwFlags & Sample_MediaTimeValid)) {
return VFW_E_MEDIA_TIME_NOT_SET;
}
*pTimeStart = m_MediaStart;
*pTimeEnd = (m_MediaStart + m_MediaEnd);
return NOERROR;
}
/* Return the clock's clsid */
STDMETHODIMP
CSystemClock::GetClassID(__out CLSID *pClsID)
{
CheckPointer(pClsID,E_POINTER);
ValidateReadWritePtr(pClsID,sizeof(CLSID));
*pClsID = CLSID_SystemClock;
return NOERROR;
}
STDMETHODIMP
CBaseDispatch::GetTypeInfoCount(UINT * pctinfo)
{
CheckPointer(pctinfo,E_POINTER);
ValidateReadWritePtr(pctinfo,sizeof(UINT *));
*pctinfo = 1;
return S_OK;
}
STDMETHODIMP CAMMediaContent::NonDelegatingQueryInterface(REFIID riid, __deref_out void **ppv)
{
ValidateReadWritePtr(ppv,sizeof(PVOID));
if (riid == IID_IAMMediaContent) {
return GetInterface((IAMMediaContent*)this, ppv);
} else {
return CUnknown::NonDelegatingQueryInterface(riid, ppv);
}
}
STDMETHODIMP
CMediaPosition::NonDelegatingQueryInterface(REFIID riid, void **ppv)
{
ValidateReadWritePtr(ppv,sizeof(PVOID));
if (riid == IID_IMediaPosition) {
return GetInterface( (IMediaPosition *) this, ppv);
} else {
return CUnknown::NonDelegatingQueryInterface(riid, ppv);
}
}
STDMETHODIMP
CBasePin::QueryDirection(
PIN_DIRECTION * pPinDir
)
{
CheckPointer(pPinDir,E_POINTER);
ValidateReadWritePtr(pPinDir,sizeof(PIN_DIRECTION));
*pPinDir = m_dir;
return NOERROR;
}
STDMETHODIMP CMVEADPCMDecompressor::NonDelegatingQueryInterface(REFIID riid, void **ppv)
{
// Check and validate the pointer
CheckPointer(ppv, E_POINTER);
ValidateReadWritePtr(ppv, sizeof(PVOID));
// Expose ISpecifyPropertyPages (and the base-class interfaces)
if (riid == IID_ISpecifyPropertyPages)
return GetInterface((ISpecifyPropertyPages*)this, ppv);
else
return CTransformFilter::NonDelegatingQueryInterface(riid, ppv);
}
// get me a read/write pointer to this buffer's memory. I will actually
// want to use sizeUsed bytes.
STDMETHODIMP
CMediaSample::GetPointer(BYTE ** ppBuffer)
{
ValidateReadWritePtr(ppBuffer,sizeof(BYTE *));
// creator must have set pointer either during
// constructor or by SetPointer
ASSERT(m_pBuffer);
*ppBuffer = m_pBuffer;
return NOERROR;
}
STDMETHODIMP CSubtitleSource::QueryFilterInfo(FILTER_INFO* pInfo)
{
CheckPointer(pInfo, E_POINTER);
ValidateReadWritePtr(pInfo, sizeof(FILTER_INFO));
wcscpy_s(pInfo->achName, SubtitleSourceName);
pInfo->pGraph = m_pGraph;
if (m_pGraph) {
m_pGraph->AddRef();
}
return S_OK;
}
// Return a wide string - allocating memory for it
// Returns:
// S_OK - no error
// E_POINTER - ppszReturn == NULL
// E_OUTOFMEMORY - can't allocate memory for returned string
STDAPI AMGetWideString(LPCWSTR psz, LPWSTR *ppszReturn)
{
CheckPointer(ppszReturn, E_POINTER);
ValidateReadWritePtr(ppszReturn, sizeof(LPWSTR));
DWORD nameLen = sizeof(WCHAR) * (lstrlenW(psz)+1);
*ppszReturn = (LPWSTR)CoTaskMemAlloc(nameLen);
if (*ppszReturn == NULL) {
return E_OUTOFMEMORY;
}
CopyMemory(*ppszReturn, psz, nameLen); /*ffdshow custom*/
return NOERROR;
}
// overriden to expose IMediaPosition and IMediaSeeking control interfaces
STDMETHODIMP CParserOutputPin::NonDelegatingQueryInterface(REFIID riid, void **ppv)
{
CheckPointer(ppv,E_POINTER);
ValidateReadWritePtr(ppv,sizeof(PVOID));
*ppv = NULL;
// See what interface the caller is interested in.
if (riid == IID_IMediaPosition || riid == IID_IMediaSeeking)
{
return CSourceSeeking::NonDelegatingQueryInterface(riid, ppv);
}
else
return CBaseOutputPin::NonDelegatingQueryInterface(riid, ppv);
}
STDMETHODIMP CMPEGFilter::QueryVendorInfo(LPWSTR *pVendorInfo)
{
CheckPointer(pVendorInfo, E_POINTER);
ValidateReadWritePtr(pVendorInfo, sizeof(LPWSTR));
*pVendorInfo = (LPWSTR)CoTaskMemAlloc(256);
if(*pVendorInfo==NULL)
{
return E_OUTOFMEMORY;
}
wcscpy_s(*pVendorInfo, 256, L"Standard MPEG");
return NOERROR;
}
STDMETHODIMP CDXVA2Sample::QueryInterface(REFIID riid, __deref_out void **ppv)
{
CheckPointer(ppv,E_POINTER);
ValidateReadWritePtr(ppv,sizeof(PVOID));
if (riid == __uuidof(IMFGetService)) {
return GetInterface((IMFGetService*) this, ppv);
}
if (riid == __uuidof(ILAVDXVA2Sample)) {
return GetInterface((ILAVDXVA2Sample*) this, ppv);
} else {
return CMediaSample::QueryInterface(riid, ppv);
}
}
//
// Set Id to point to a CoTaskMemAlloc'd
STDMETHODIMP CSourceStream::QueryId(LPWSTR *Id) {
CheckPointer(Id,E_POINTER);
ValidateReadWritePtr(Id,sizeof(LPWSTR));
// We give the pins id's which are 1,2,...
// FindPinNumber returns -1 for an invalid pin
int i = 1+ m_pFilter->FindPinNumber(this);
if (i<1) return VFW_E_NOT_FOUND;
*Id = (LPWSTR)CoTaskMemAlloc(8);
if (*Id==NULL) {
return E_OUTOFMEMORY;
}
IntToWstr(i, *Id);
return NOERROR;
}
//
// FindPin
//
// Set *ppPin to the IPin* that has the id Id.
// or to NULL if the Id cannot be matched.
STDMETHODIMP CSource::FindPin(LPCWSTR Id, IPin **ppPin)
{
CheckPointer(ppPin,E_POINTER);
ValidateReadWritePtr(ppPin,sizeof(IPin *));
// The -1 undoes the +1 in QueryId and ensures that totally invalid
// strings (for which WstrToInt delivers 0) give a deliver a NULL pin.
int i = WstrToInt(Id) -1;
*ppPin = GetPin(i);
if (*ppPin!=NULL){
(*ppPin)->AddRef();
return NOERROR;
} else {
return VFW_E_NOT_FOUND;
}
}
STDMETHODIMP CUnknown::NonDelegatingQueryInterface(REFIID riid, void ** ppv)
{
CheckPointer(ppv,E_POINTER);
ValidateReadWritePtr(ppv,sizeof(PVOID));
/* We know only about IUnknown */
if (riid == IID_IUnknown) {
GetInterface((LPUNKNOWN) (PNDUNKNOWN) this, ppv);
return NOERROR;
} else {
*ppv = NULL;
return E_NOINTERFACE;
}
}
STDMETHODIMP CMpaSplitterFilter::QueryFilterInfo(FILTER_INFO* pInfo)
{
CheckPointer(pInfo, E_POINTER);
ValidateReadWritePtr(pInfo, sizeof(FILTER_INFO));
if (m_pName && m_pName[0]==L'M' && m_pName[1]==L'P' && m_pName[2]==L'C') {
(void)StringCchCopyW(pInfo->achName, NUMELMS(pInfo->achName), m_pName);
} else {
wcscpy(pInfo->achName, MpaSourceName);
}
pInfo->pGraph = m_pGraph;
if (m_pGraph) {
m_pGraph->AddRef();
}
return S_OK;
}
/* Return the media type of the connection */
STDMETHODIMP
CBasePin::ConnectionMediaType(
AM_MEDIA_TYPE *pmt
)
{
CheckPointer(pmt,E_POINTER);
ValidateReadWritePtr(pmt,sizeof(AM_MEDIA_TYPE));
CComAutoLock cObjectLock(m_pLock);
/* Copy constructor of m_mt allocates the memory */
if (IsConnected()) {
CopyMediaType( pmt, &m_mt );
return S_OK;
} else {
((CMediaType *)pmt)->InitMediaType();
return VFW_E_NOT_CONNECTED;
}
}
STDMETHODIMP
CBasePin::EnumMediaTypes(
IEnumMediaTypes **ppEnum
)
{
CheckPointer(ppEnum,E_POINTER);
ValidateReadWritePtr(ppEnum,sizeof(IEnumMediaTypes *));
/* Create a new ref counted enumerator */
*ppEnum = new CEnumMediaTypes(this,
NULL);
if (*ppEnum == NULL) {
return E_OUTOFMEMORY;
}
return NOERROR;
}
STDMETHODIMP CDXFilterInPin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
{
CheckPointer(ppEnum,E_POINTER);
ValidateReadWritePtr(ppEnum,sizeof(IEnumMediaTypes *));
// if the output pin isn't connected yet, offer the possibly
// partially specified media type that has been set by the user
if( !((CDXFilter*)m_pTIPFilter)->OutputPin( )->IsConnected() )
{
// Create a new reference counted enumerator
*ppEnum = new CEnumMediaTypes( this, NULL );
return (*ppEnum) ? NOERROR : E_OUTOFMEMORY;
}
// if the output pin is connected, offer it's fully qualified media type
return ((CDXFilter*)m_pTIPFilter)->OutputPin( )->GetConnected()->EnumMediaTypes( ppEnum );
}
STDMETHODIMP
CEnumPins::Clone(IEnumPins **ppEnum)
{
CheckPointer(ppEnum,E_POINTER);
ValidateReadWritePtr(ppEnum,sizeof(IEnumPins *));
HRESULT hr = NOERROR;
/* Check we are still in sync with the filter */
if (AreWeOutOfSync() == TRUE) {
*ppEnum = NULL;
hr = VFW_E_ENUM_OUT_OF_SYNC;
} else {
*ppEnum = new CEnumPins(m_pFilter,
this);
if (*ppEnum == NULL) {
hr = E_OUTOFMEMORY;
}
}
return hr;
}
//
// get_OutputFormat
//
STDMETHODIMP CAudioSynth::get_OutputFormat(SYNTH_OUTPUT_FORMAT *pOutputFormat)
{
CheckPointer(pOutputFormat, E_POINTER);
ValidateReadWritePtr(pOutputFormat, sizeof(SYNTH_OUTPUT_FORMAT));
switch(m_wFormatTag)
{
case WAVE_FORMAT_PCM:
*pOutputFormat = SYNTH_OF_PCM;
break;
case WAVE_FORMAT_ADPCM:
*pOutputFormat = SYNTH_OF_MS_ADPCM;
break;
default:
return E_UNEXPECTED;
}
return S_OK;
}
/* Return an AddRef()'d pointer to the connected pin if there is one */
STDMETHODIMP
CBasePin::ConnectedTo(
IPin **ppPin
)
{
CheckPointer(ppPin,E_POINTER);
ValidateReadWritePtr(ppPin,sizeof(IPin *));
//
// It's pointless to lock here.
// The caller should ensure integrity.
//
IPin *pPin = m_Connected;
*ppPin = pPin;
if (pPin != NULL) {
pPin->AddRef();
return S_OK;
} else {
ASSERT(*ppPin == NULL);
return VFW_E_NOT_CONNECTED;
}
}
