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CBaseInputPin::CheckStreaming

  • Artículo
 
Microsoft DirectShow 9.0

CBaseInputPin::CheckStreaming

Determines whether the pin can accept samples.

Syntax

  virtual HRESULT CheckStreaming(void);

Return Value

Returns one of the HRESULT values listed in the following table.

Value Description
S_OK Success.
S_FALSE Pin is currently flushing.
VFW_E_RUNTIME_ERROR A run-time error occurred.
VFW_E_WRONG_STATE The pin is stopped.

Remarks

The derived class can override this method to perform further checks. In the overriding method, also call the base class implementation.

The CBaseInputPin::Receive method calls this method. You should override the CBasePin::EndOfStream method to call this method as well.

Requirements

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

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

See Also