nf-mfidl-imfratesupport-isratesupported.md

UID	title	description	helpviewer_keywords	old-location	tech.root	ms.assetid	ms.date	ms.keywords	req.header	req.include-header	req.target-type	req.target-min-winverclnt	req.target-min-winversvr	req.kmdf-ver	req.umdf-ver	req.ddi-compliance	req.unicode-ansi	req.idl	req.max-support	req.namespace	req.assembly	req.type-library	req.lib	req.dll	req.irql	targetos	req.typenames	req.redist	ms.custom	f1_keywords	dev_langs	topic_type	api_type	api_location	api_name
NF:mfidl.IMFRateSupport.IsRateSupported	IMFRateSupport::IsRateSupported (mfidl.h)	Queries whether the object supports a specified playback rate.	3ac04683-17d3-4d87-b260-39b04eab9e59 IMFRateSupport interface [Media Foundation] IsRateSupported method IMFRateSupport.IsRateSupported IMFRateSupport::IsRateSupported IsRateSupported IsRateSupported method [Media Foundation] IsRateSupported method [Media Foundation] IMFRateSupport interface mf.imfratesupport_isratesupported mfidl/IMFRateSupport::IsRateSupported	mf\imfratesupport_isratesupported.htm	mf	3ac04683-17d3-4d87-b260-39b04eab9e59	12/05/2018	3ac04683-17d3-4d87-b260-39b04eab9e59, IMFRateSupport interface [Media Foundation],IsRateSupported method, IMFRateSupport.IsRateSupported, IMFRateSupport::IsRateSupported, IsRateSupported, IsRateSupported method [Media Foundation], IsRateSupported method [Media Foundation],IMFRateSupport interface, mf.imfratesupport_isratesupported, mfidl/IMFRateSupport::IsRateSupported	mfidl.h		Windows	Windows Vista [desktop apps \| UWP apps]	Windows Server 2008 [desktop apps \| UWP apps]										Mfuuid.lib			Windows			19H1	IMFRateSupport::IsRateSupported mfidl/IMFRateSupport::IsRateSupported	c++	APIRef kbSyntax	COM	mfuuid.lib mfuuid.dll	IMFRateSupport.IsRateSupported

IMFRateSupport::IsRateSupported

-description

Queries whether the object supports a specified playback rate.

-parameters

-param fThin [in]

If TRUE, the method queries whether the object supports the playback rate with thinning. Otherwise, the method queries whether the object supports the playback rate without thinning. For information about thinning, see About Rate Control.

-param flRate [in]

The playback rate to query.

-param pflNearestSupportedRate [in, out]

If the object does not support the playback rate given in flRate, this parameter receives the closest supported playback rate. If the method returns S_OK, this parameter receives the value given in flRate. This parameter can be NULL.

-returns

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

Return code	Description
S_OK	The object supports the specified rate.
MF_E_REVERSE_UNSUPPORTED	The object does not support reverse playback.
MF_E_THINNING_UNSUPPORTED	The object does not support thinning.
MF_E_UNSUPPORTED_RATE	The object does not support the specified rate.

-see-also

How to Determine Supported Rates

IMFRateSupport