IEncoderAPI::IsAvailable

Microsoft DirectShow 9.0

Note The IEncoderAPI interface is deprecated. Use ICodecAPI instead.

The IsAvailable method queries whether a given parameter can be read and modified.

Syntax

  HRESULT IsSupported(
  const GUID* Api
);

Parameters

Api

[in] Pointer to a GUID that specifies the parameter.

Return Values

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Values	Description
S_OK	The parameter can be read and modified. (Set and get operations are supported for this parameter.)
E_NOTIMPL	The parameter cannot be read or modified.

Remarks

Any errors besides those in the table above indicate an inability to process the call.

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also

Additional resources