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CTransformOutputPin::Notify

  • Artículo
 
Microsoft DirectShow 9.0

CTransformOutputPin::Notify

The Notify method notifies the pin that a quality change is requested. This method implements the IQualityControl::Notify method.

Syntax

  HRESULT Notify(
    IBaseFilter *pSelf,
    Quality q
);

Parameters

pSelf

Pointer to the IBaseFilter interface of the filter that delivered the quality control message.

q

Quality structure that contains the quality control message.

Return Value

Returns an HRESULT value. Possible values include those shown in the following table.

Value Description
S_OK Success.
VFW_E_NOT_FOUND Could not find an object to accept the message.

Remarks

This method calls the filter's CTransformFilter::AlterQuality method. If the filter does not handle the quality message, this method calls the CBaseInputPin::PassNotify method on the filter's input pin. The PassNotify method passes the quality message upstream (or to a custom quality manager, if one was installed).

Requirements

**  Header:** Declared in Transfrm.h; include Streams.h.

**  Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).

See Also

CTransformOutputPin Class