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ICodecAPI::IsSupported method

The IsSupported method queries whether a codec supports a given property.

Syntax


HRESULT IsSupported(
  [inconst GUID *Api
);

Parameters

Api [in]

Pointer to a GUID that specifies the property to query. For a list of standard codec properties, see Codec API Properties.

Return value

This method can return one of these values.

Return codeDescription
S_FALSE

The codec does not support the property.

S_OK

The codec supports the property.

E_NOTIMPL

The codec does not support the property.

 

Remarks

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

Note  If the codec does not support the property, the method can return either S_FALSE or E_NOTIMPL. The value E_NOTIMPL is preferred, but earlier documentation listed only S_FALSE, so some codecs might return that value. Applications should explicitly test for the value S_OK.

Requirements

Minimum supported client

Windows XP with SP2 [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2003 R2 [desktop apps | Windows Store apps]

Header

Strmif.h (include Dshow.h)

Library

Strmiids.lib

See also

Codec API Reference
ICodecAPI
Encoder API

 

 

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