CapturePin Class Reference

Collaboration diagram for CapturePin:

[legend]

Public Member Functions
	CapturePin (vlc_object_t *_p_input, access_sys_t *p_sys, CaptureFilter *_p_filter, AM_MEDIA_TYPE *mt, size_t mt_count)
virtual	~CapturePin ()
STDMETHODIMP	QueryInterface (REFIID riid, void **ppv)
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()
STDMETHODIMP	Connect (IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
STDMETHODIMP	ReceiveConnection (IPin *pConnector, const AM_MEDIA_TYPE *pmt)
STDMETHODIMP	Disconnect ()
STDMETHODIMP	ConnectedTo (IPin **pPin)
STDMETHODIMP	ConnectionMediaType (AM_MEDIA_TYPE *pmt)
STDMETHODIMP	QueryPinInfo (PIN_INFO *pInfo)
STDMETHODIMP	QueryDirection (PIN_DIRECTION *pPinDir)
STDMETHODIMP	QueryId (LPWSTR *Id)
STDMETHODIMP	QueryAccept (const AM_MEDIA_TYPE *pmt)
STDMETHODIMP	EnumMediaTypes (IEnumMediaTypes **ppEnum)
STDMETHODIMP	QueryInternalConnections (IPin **apPin, ULONG *nPin)
STDMETHODIMP	EndOfStream (void)
STDMETHODIMP	BeginFlush (void)
STDMETHODIMP	EndFlush (void)
STDMETHODIMP	NewSegment (REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
STDMETHODIMP	GetAllocator (IMemAllocator **ppAllocator)
STDMETHODIMP	NotifyAllocator (IMemAllocator *pAllocator, BOOL bReadOnly)
STDMETHODIMP	GetAllocatorRequirements (ALLOCATOR_PROPERTIES *pProps)
STDMETHODIMP	Receive (IMediaSample *pSample)
STDMETHODIMP	ReceiveMultiple (IMediaSample **pSamples, long nSamples, long *nSamplesProcessed)
STDMETHODIMP	ReceiveCanBlock (void)
HRESULT	CustomGetSample (VLCMediaSample *)
	Returns a sample from its sample queue.
HRESULT	CustomGetSamples (deque< VLCMediaSample > &external_queue)
	Returns the complete queue of samples that have been received so far.
AM_MEDIA_TYPE &	CustomGetMediaType ()
Friends
class	CaptureEnumMediaTypes

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Constructor & Destructor Documentation

CapturePin::CapturePin	(	vlc_object_t *	_p_input,
		access_sys_t *	p_sys,
		CaptureFilter *	_p_filter,
		AM_MEDIA_TYPE *	mt,
		size_t	mt_count
	)

References p_sys.

CapturePin::~CapturePin

(

)

[virtual]

References c, FreeMediaType(), and msg_Dbg.

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Member Function Documentation

STDMETHODIMP CapturePin::QueryInterface	(	REFIID	riid,
		void **	ppv
	)

References AddRef(), and msg_Dbg.

CapturePin::STDMETHODIMP_

(

ULONG

)

CapturePin::STDMETHODIMP_

(

ULONG

)

STDMETHODIMP CapturePin::Connect	(	IPin *	pReceivePin,
		const AM_MEDIA_TYPE *	pmt
	)

References GetFourCCFromMediaType(), msg_Dbg, and CaptureFilter::state.

STDMETHODIMP CapturePin::ReceiveConnection	(	IPin *	pConnector,
		const AM_MEDIA_TYPE *	pmt
	)

References CopyMediaType(), FreeMediaType(), msg_Dbg, QueryAccept(), and CaptureFilter::state.

STDMETHODIMP CapturePin::Disconnect

(

)

References msg_Dbg.

STDMETHODIMP CapturePin::ConnectedTo

(

IPin **

pPin

)

References msg_Dbg.

STDMETHODIMP CapturePin::ConnectionMediaType

(

AM_MEDIA_TYPE *

pmt

)

References CopyMediaType(), and msg_Dbg.

STDMETHODIMP CapturePin::QueryPinInfo

(

PIN_INFO *

pInfo

)

References msg_Dbg, and PIN_NAME.

STDMETHODIMP CapturePin::QueryDirection

(

PIN_DIRECTION *

pPinDir

)

References msg_Dbg.

STDMETHODIMP CapturePin::QueryId

(

LPWSTR *

Id

)

References msg_Dbg.

STDMETHODIMP CapturePin::QueryAccept

(

const AM_MEDIA_TYPE *

pmt

)

References CopyMediaType(), FreeMediaType(), GetFourCCFromMediaType(), i_fourcc, msg_Dbg, and CaptureFilter::state.

Referenced by ReceiveConnection().

STDMETHODIMP CapturePin::EnumMediaTypes

(

IEnumMediaTypes **

ppEnum

)

References CaptureEnumMediaTypes, and msg_Dbg.

STDMETHODIMP CapturePin::QueryInternalConnections	(	IPin **	apPin,
		ULONG *	nPin
	)

References msg_Dbg.

STDMETHODIMP CapturePin::EndOfStream

(

void

)

References msg_Dbg.

STDMETHODIMP CapturePin::BeginFlush

(

void

)

References msg_Dbg.

STDMETHODIMP CapturePin::EndFlush

(

void

)

References access_sys_t::lock, msg_Dbg, VLCMediaSample::p_sample, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by CaptureFilter::Stop().

STDMETHODIMP CapturePin::NewSegment	(	REFERENCE_TIME	tStart,
		REFERENCE_TIME	tStop,
		double	dRate
	)

References msg_Dbg.

STDMETHODIMP CapturePin::GetAllocator

(

IMemAllocator **

ppAllocator

)

References msg_Dbg.

STDMETHODIMP CapturePin::NotifyAllocator	(	IMemAllocator *	pAllocator,
		BOOL	bReadOnly
	)

References msg_Dbg.

STDMETHODIMP CapturePin::GetAllocatorRequirements

(

ALLOCATOR_PROPERTIES *

pProps

)

References msg_Dbg.

STDMETHODIMP CapturePin::Receive

(

IMediaSample *

pSample

)

References access_sys_t::lock, mdate(), msg_Dbg, VLCMediaSample::p_sample, vlc_cond_signal(), vlc_mutex_lock(), vlc_mutex_unlock(), and access_sys_t::wait.

Referenced by ReceiveMultiple().

STDMETHODIMP CapturePin::ReceiveMultiple	(	IMediaSample **	pSamples,
		long	nSamples,
		long *	nSamplesProcessed
	)

References Receive().

STDMETHODIMP CapturePin::ReceiveCanBlock

(

void

)

References msg_Dbg.

HRESULT CapturePin::CustomGetSample

(

VLCMediaSample *

vlc_sample

)

Returns a sample from its sample queue.

Proper locking must be done prior to this call. Current dshow code protects the access to any sample queue (audio and video) with the p_sys->lock

Parameters:

vlc_sample

[out] Address of a sample if sucessfull. Undefined otherwise.

Returns:

S_OK if a sample was available, S_FALSE if no sample was available

References msg_Dbg.

Referenced by ReadCompressed().

HRESULT CapturePin::CustomGetSamples

(

deque< VLCMediaSample > &

external_queue

)

Returns the complete queue of samples that have been received so far.

Lock the p_sys->lock before calling this function.

Parameters:

samples_queue

[out] Empty queue that will get all elements from the pin queue.

Returns:

S_OK if a sample was available, S_FALSE if no sample was available

References msg_Dbg.

Referenced by Demux().

AM_MEDIA_TYPE & CapturePin::CustomGetMediaType

(

)

Referenced by ConnectFilters(), and OpenDevice().

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Friends And Related Function Documentation

friend class CaptureEnumMediaTypes [friend]

Referenced by EnumMediaTypes().

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The documentation for this class was generated from the following files:

• modules/access/dshow/filter.h
• modules/access/dshow/filter.cpp