// To only look at non-digital output pins, check that pPin->IsVolumeSupported() is TRUE,

// as digital output pins don't have volume controls associated with them.

if(pPin->IsFormatSupported())

{/ This should be a valid pin

TRACE_LEAVE();

return pPin;}}

TRACE_LEAVE();

return NULL;}

В файле audfilter.h

Что заменить:

CKsAudRenPin* CreateRenderPin(const WAVEFORMATEX* pwfx, BOOL fLooped);

Заменить на:

CKsAudRenPin * CreateRenderPin(BOOL fLooped);

Что заменить:

CKsAudRenPin* FindViablePin(const WAVEFORMATEX* pwfx);

Заменить на:

CKsAudRenPin * FindViablePin();

В файле audpin.cpp

Что заменить:

BOOL CKsAudPin::IsFormatSupported(const WAVEFORMATEX* pwfx)

{TRACE_ENTER();

LISTPOS listPosRange = m_listDataRange.GetHeadPosition();

KSDATARANGE_AUDIO* pKSDATARANGE_AUDIO;

while( m_listDataRange.GetNext( listPosRange, &pKSDATARANGE_AUDIO ) )

{if( KSDATAFORMAT_TYPE_WILDCARD == pKSDATARANGE_AUDIO->DataRange.MajorFormat

|| KSDATAFORMAT_TYPE_AUDIO == pKSDATARANGE_AUDIO->DataRange.MajorFormat )

{// Set the format to search for

GUID guidFormat = {DEFINE_WAVEFORMATEX_GUID(pwfx->wFormatTag)};

// If this is a WaveFormatExtensible structure, then use its defined SubFormat

if( WAVE_FORMAT_EXTENSIBLE == pwfx->wFormatTag )

{guidFormat = ((WAVEFORMATEXTENSIBLE *)pwfx)->SubFormat;}

if( KSDATAFORMAT_SUBTYPE_WILDCARD == pKSDATARANGE_AUDIO->DataRange.SubFormat

|| guidFormat == pKSDATARANGE_AUDIO->DataRange.SubFormat )

{if( KSDATAFORMAT_SPECIFIER_WILDCARD == pKSDATARANGE_AUDIO->DataRange.Specifier

|| KSDATAFORMAT_SPECIFIER_WAVEFORMATEX == pKSDATARANGE_AUDIO->DataRange.Specifier )

{if( pKSDATARANGE_AUDIO->MaximumChannels >= pwfx->nChannels

&& pKSDATARANGE_AUDIO->MinimumBitsPerSample <= pwfx->wBitsPerSample

&& pKSDATARANGE_AUDIO->MaximumBitsPerSample >= pwfx->wBitsPerSample

&& pKSDATARANGE_AUDIO->MinimumSampleFrequency <= pwfx->nSamplesPerSec

&& pKSDATARANGE_AUDIO->MaximumSampleFrequency >= pwfx->nSamplesPerSec )

{// This should be a valid pin

TRACE_LEAVE();

return TRUE;}}}}}

TRACE_LEAVE();

return FALSE;}

Заменить на:

BOOL CKsAudPin::IsFormatSupported()

{TRACE_ENTER();

LISTPOS listPosRange = m_listDataRange.GetHeadPosition();

KSDATARANGE_MUSIC * pKSDATARANGE_MUSIC;

while(m_listDataRange.GetNext(listPosRange, &pKSDATARANGE_MUSIC))

{if(KSDATAFORMAT_TYPE_WILDCARD == pKSDATARANGE_MUSIC->DataRange.MajorFormat

||KSDATAFORMAT_TYPE_MUSIC == pKSDATARANGE_MUSIC->DataRange.MajorFormat)

{if(KSDATAFORMAT_SUBTYPE_WILDCARD == pKSDATARANGE_MUSIC->DataRange.SubFormat

||KSDATAFORMAT_SUBTYPE_MIDI == pKSDATARANGE_MUSIC->DataRange.SubFormat)

{if(KSDATAFORMAT_SPECIFIER_WILDCARD == pKSDATARANGE_MUSIC->DataRange.Specifier

||KSDATAFORMAT_SPECIFIER_NONE == pKSDATARANGE_MUSIC->DataRange.Specifier)

{if(KSMUSIC_TECHNOLOGY_SWSYNTH == pKSDATARANGE_MUSIC->Technology)

{// This should be a valid pin

TRACE_LEAVE();

return TRUE;}}}}}

TRACE_LEAVE();

return FALSE;}

Что заменить:

HRESULT CKsAudPin::Init()

{TRACE_ENTER();

HRESULT hr = S_OK;

BOOL fViablePin = FALSE;

// Make sure at least one interface is standard streaming

if (SUCCEEDED(hr))

{fViablePin = FALSE;

for(ULONG i = 0; i < m_Descriptor.cInterfaces && !fViablePin; i++)

fViablePin =

fViablePin

if (!fViablePin)

{DebugPrintf(TRACE_ERROR, TEXT("No standard streaming interfaces on the pin"));

hr = E_FAIL;}}

// Make sure at least one medium is standard streaming

if (SUCCEEDED(hr))

{fViablePin = FALSE;

for(ULONG i = 0; i < m_Descriptor.cInterfaces && !fViablePin; i++)

IsEqualGUIDAligned(m_Descriptor.pMediums[i].Set, KSMEDIUMSETID_Standard) &&

(m_Descriptor.pMediums[i].Id == KSMEDIUM_STANDARD_DEVIO) ;

if (!fViablePin)

{DebugPrintf(TRACE_ERROR, TEXT("No standard streaming mediums on the pin"));

hr = E_FAIL;}}

// Make sure at least one datarange supports audio

if (SUCCEEDED(hr))

{fViablePin = FALSE;

PKSDATARANGE pDataRange = m_Descriptor.pDataRanges;

for(ULONG i = 0; i < m_Descriptor.cDataRanges; i++)

{// SubType should either be compatible with WAVEFORMATEX or

// it should be WILDCARD

fViablePin =

fViablePin ||

IS_VALID_WAVEFORMATEX_GUID(&pDataRange->SubFormat) ||

IsEqualGUIDAligned(pDataRange->SubFormat, KSDATAFORMAT_SUBTYPE_PCM) ||

IsEqualGUIDAligned(pDataRange->SubFormat, KSDATAFORMAT_SUBTYPE_WILDCARD);

if (fViablePin && IsEqualGUIDAligned(pDataRange->MajorFormat, KSDATAFORMAT_TYPE_AUDIO))

{// Copy the data range into the pin

PKSDATARANGE_AUDIO pCopyDataRangeAudio = new KSDATARANGE_AUDIO;

if( pCopyDataRangeAudio )

{PKSDATARANGE_AUDIO pDataRangeAudio = (PKSDATARANGE_AUDIO)pDataRange;

CopyMemory( pCopyDataRangeAudio, pDataRangeAudio, sizeof(KSDATARANGE_AUDIO) );

if (NULL == m_listDataRange.AddTail( pCopyDataRangeAudio ))

{delete pCopyDataRangeAudio;

pCopyDataRangeAudio = NULL;

DebugPrintf(TRACE_ERROR, TEXT("Unable to allocate list entry to save datarange in"));

hr = E_OUTOFMEMORY;}}

else

{DebugPrintf(TRACE_ERROR, TEXT("Unable to allocate memory to save datarange in"));

hr = E_OUTOFMEMORY;}}

pDataRange = (PKSDATARANGE)( ((PBYTE)pDataRange) + pDataRange->FormatSize);}

if (!fViablePin)

{DebugPrintf(TRACE_ERROR, TEXT("No audio dataranges on the pin"));

hr = E_FAIL;}}

TRACE_LEAVE_HRESULT(hr);

return hr;}

Заменить на:

HRESULT CKsAudPin::Init()

{TRACE_ENTER();

HRESULT hr = S_OK;

BOOL fViablePin = FALSE;

// Make sure at least one interface is standard streaming

if (SUCCEEDED(hr))

{fViablePin = FALSE;

for(ULONG i = 0; i < m_Descriptor.cInterfaces && !fViablePin; i++)

fViablePin =

fViablePin

if (!fViablePin)

{DebugPrintf(TRACE_ERROR, TEXT("No standard streaming interfaces on the pin"));

hr = E_FAIL;}}

// Make sure at least one medium is standard streaming

if (SUCCEEDED(hr))

{fViablePin = FALSE;

for(ULONG i = 0; i < m_Descriptor.cInterfaces && !fViablePin; i++)

if (!fViablePin)

{DebugPrintf(TRACE_ERROR, TEXT("No standard streaming mediums on the pin"));

hr = E_FAIL;}}

// Make sure at least one datarange supports audio

if (SUCCEEDED(hr))

{fViablePin = FALSE;

PKSDATARANGE pDataRange = m_Descriptor.pDataRanges;

for(ULONG i = 0; i < m_Descriptor.cDataRanges; i++)

{fViablePin = fViablePin ||

IsEqualGUIDAligned(pDataRange->SubFormat, KSDATAFORMAT_SUBTYPE_MIDI) ||

IsEqualGUIDAligned(pDataRange->SubFormat, KSDATAFORMAT_SUBTYPE_WILDCARD);

if (fViablePin && IsEqualGUIDAligned(pDataRange->MajorFormat, KSDATAFORMAT_TYPE_MUSIC))

{// Copy the data range into the pin

PKSDATARANGE_MUSIC pCopyDataRangeAudio = new KSDATARANGE_MUSIC;

if( pCopyDataRangeAudio )

{PKSDATARANGE_MUSIC pDataRangeAudio = (PKSDATARANGE_MUSIC)pDataRange;

CopyMemory( pCopyDataRangeAudio, pDataRangeAudio, sizeof(KSDATARANGE_MUSIC) );

if (NULL == m_listDataRange.AddTail( pCopyDataRangeAudio ))

{delete pCopyDataRangeAudio;

pCopyDataRangeAudio = NULL;

DebugPrintf(TRACE_ERROR, TEXT("Unable to allocate list entry to save datarange in"));

hr = E_OUTOFMEMORY;}}

else

{DebugPrintf(TRACE_ERROR, TEXT("Unable to allocate memory to save datarange in"));

hr = E_OUTOFMEMORY;}}

pDataRange = (PKSDATARANGE)( ((PBYTE)pDataRange) + pDataRange->FormatSize);}

if (!fViablePin)

{DebugPrintf(TRACE_ERROR, TEXT("No audio dataranges on the pin"));

hr = E_FAIL;}}

TRACE_LEAVE_HRESULT(hr);

return hr;}

Что заменить:

CKsAudPin::~CKsAudPin(void)

{TRACE_ENTER();

KSDATARANGE_AUDIO *pKSDATARANGE_AUDIO;

CKsNode *pKsNode;

// Clear datarange list

while( m_listDataRange.RemoveHead(&pKSDATARANGE_AUDIO) )

{delete pKSDATARANGE_AUDIO;}

// Clear the node list

while( m_listNodes.RemoveHead(&pKsNode) )

{delete pKsNode;}

delete[] (BYTE *)m_pWaveFormatEx;

TRACE_LEAVE();

return;}

Заменить на:

CKsAudPin::~CKsAudPin(void)

{TRACE_ENTER();

KSDATARANGE_MUSIC * pKSDATARANGE_MUSIC;

CKsNode * pKsNode;

// Clear datarange list

while(m_listDataRange.RemoveHead(&pKSDATARANGE_MUSIC))

{delete pKSDATARANGE_MUSIC;}

// Clear the node list

while(m_listNodes.RemoveHead(&pKsNode))

{delete pKsNode;}

TRACE_LEAVE();

return;}

Что заменить:

CKsAudPin::CKsAudPin

(CKsAudFilter* pFilter,

ULONG nId,

HRESULT* phr

) : CKsPin(pFilter, nId, phr),

m_pAudFilter(pFilter),

m_pWaveFormatEx(NULL),

m_pksDataFormatWfx(NULL)

{TRACE_ENTER();

HRESULT hr = *phr;

if (SUCCEEDED(hr))

{hr = m_listDataRange.Initialize(1);

if (FAILED(hr))

DebugPrintf(TRACE_ERROR,TEXT("Failed to Initialize m_listDataRange"));}

if (SUCCEEDED(hr))

{hr = m_listNodes.Initialize(1);

if (FAILED(hr))

DebugPrintf(TRACE_ERROR,TEXT("Failed to Initialize m_listNodes"));}

// create a KSPIN_CONNECT structure to describe a waveformatex pin

if (SUCCEEDED(hr))

{m_cbPinCreateSize = sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT_WAVEFORMATEX);

m_pksPinCreate = (PKSPIN_CONNECT)new BYTE[m_cbPinCreateSize];

if (!m_pksPinCreate)

{DebugPrintf(TRACE_ERROR,TEXT("Failed to allocate m_pksPinCreate"));

hr = E_OUTOFMEMORY;}}

if (SUCCEEDED(hr))

{m_pksPinCreate->Interface.Set = KSINTERFACESETID_Standard;

m_pksPinCreate->Interface.Id = KSINTERFACE_STANDARD_STREAMING;

m_pksPinCreate->Interface.Flags = 0;

m_pksPinCreate->Medium.Set = KSMEDIUMSETID_Standard;

m_pksPinCreate->Medium.Id = KSMEDIUM_TYPE_ANYINSTANCE;

m_pksPinCreate->Medium.Flags = 0;

m_pksPinCreate->PinId = nId;

m_pksPinCreate->PinToHandle = NULL;

m_pksPinCreate->Priority.PriorityClass = KSPRIORITY_NORMAL;

m_pksPinCreate->Priority.PrioritySubClass = 1;

// point m_pksDataFormatWfx to just after the pConnect struct

PKSDATAFORMAT_WAVEFORMATEX pksDataFormatWfx = (PKSDATAFORMAT_WAVEFORMATEX)(m_pksPinCreate + 1);

// set up format for KSDATAFORMAT_WAVEFORMATEX

pksDataFormatWfx->DataFormat.FormatSize = sizeof(KSDATAFORMAT_WAVEFORMATEX);

pksDataFormatWfx->DataFormat.Flags = 0;

pksDataFormatWfx->DataFormat.Reserved = 0;

pksDataFormatWfx->DataFormat.MajorFormat = KSDATAFORMAT_TYPE_AUDIO;

pksDataFormatWfx->DataFormat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;

pksDataFormatWfx->DataFormat.Specifier = KSDATAFORMAT_SPECIFIER_WAVEFORMATEX;

m_pksDataFormatWfx = pksDataFormatWfx;}

// Initialize the Pin;

if (SUCCEEDED(hr))

{hr = CKsAudPin::Init();}

TRACE_LEAVE_HRESULT(hr);

*phr = hr;

return;}

Заменить на:

CKsAudPin::CKsAudPin

(CKsAudFilter* pFilter,

ULONG nId,

HRESULT* phr

) : CKsPin(pFilter, nId, phr),

m_pAudFilter(pFilter),

m_pksDataFormat(NULL)

{TRACE_ENTER();

HRESULT hr = *phr;

if (SUCCEEDED(hr))

{hr = m_listDataRange.Initialize(1);

if (FAILED(hr))

DebugPrintf(TRACE_ERROR,TEXT("Failed to Initialize m_listDataRange"));}

if (SUCCEEDED(hr))

{hr = m_listNodes.Initialize(1);

if (FAILED(hr))

DebugPrintf(TRACE_ERROR,TEXT("Failed to Initialize m_listNodes"));}

// create a KSPIN_CONNECT structure to describe a waveformatex pin

if (SUCCEEDED(hr))

{m_cbPinCreateSize = sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT);

m_pksPinCreate = (PKSPIN_CONNECT)new BYTE[m_cbPinCreateSize];

if (!m_pksPinCreate)

{DebugPrintf(TRACE_ERROR,TEXT("Failed to allocate m_pksPinCreate"));

hr = E_OUTOFMEMORY;}}

if (SUCCEEDED(hr))

{m_pksPinCreate->Interface.Set = KSINTERFACESETID_Standard;

m_pksPinCreate->Interface.Id = KSINTERFACE_STANDARD_STREAMING;

m_pksPinCreate->Interface.Flags = 0;

m_pksPinCreate->Medium.Set = KSMEDIUMSETID_Standard;

m_pksPinCreate->Medium.Id = KSMEDIUM_TYPE_ANYINSTANCE;

m_pksPinCreate->Medium.Flags = 0;

m_pksPinCreate->PinId = nId;

m_pksPinCreate->PinToHandle = NULL;

m_pksPinCreate->Priority.PriorityClass = KSPRIORITY_NORMAL;

m_pksPinCreate->Priority.PrioritySubClass = 1;

// point m_pksDataFormat to just after the pConnect struct

PKSDATAFORMAT pksDataFormat = (PKSDATAFORMAT)(m_pksPinCreate + 1);

// set up format for KSDATAFORMAT

pksDataFormat->FormatSize = sizeof(KSDATAFORMAT);

pksDataFormat->Flags = 0;

pksDataFormat->SampleSize = 0;

pksDataFormat->Reserved = 0;

pksDataFormat->MajorFormat = KSDATAFORMAT_TYPE_MUSIC;

pksDataFormat->SubFormat = KSDATAFORMAT_SUBTYPE_MIDI;

pksDataFormat->Specifier = KSDATAFORMAT_SPECIFIER_NONE;

m_pksDataFormat = pksDataFormat;}

// Initialize the Pin;

if (SUCCEEDED(hr))

{hr = CKsAudPin::Init();}

TRACE_LEAVE_HRESULT(hr);

*phr = hr;

return;}

В файле audpin.h

Что заменить:

TList<KSDATARANGE_AUDIO> m_listDataRange;

Заменить на:

TList<KSDATARANGE_MUSIC> m_listDataRange;

Что заменить:

BOOL IsFormatSupported(const WAVEFORMATEX* pwfx);

Заменить на:

BOOL IsFormatSupported();

Что заменить:

KSDATAFORMAT_WAVEFORMATEX* m_pksDataFormatWfx;

Заменить на:

KSDATAFORMAT * m_pksDataFormat;

Страницы: 1, 2, 3, 4, 5, 6, 7