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IAMVideoProcAmp::GetRange method (strmif.h)

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[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

The GetRange method gets the range and default value of a specified video property.

Syntax

HRESULT GetRange(
  [in]  long Property,
  [out] long *pMin,
  [out] long *pMax,
  [out] long *pSteppingDelta,
  [out] long *pDefault,
  [out] long *pCapsFlags
);

Parameters

[in] Property

Specifies the property to query, as a value from the VideoProcAmpProperty enumeration.

[out] pMin

Receives the minimum value of the property.

[out] pMax

Receives the maximum value of the property.

[out] pSteppingDelta

Receives the step size for the property. The step size is the smallest increment by which the property can change.

[out] pDefault

Receives the default value of the property.

[out] pCapsFlags

Receives one or more members of the VideoProcAmpFlags enumeration, indicating whether the property is controlled automatically, manually, or both.

Return value

Returns an HRESULT value. Possible values include the following.

Return code Description
E_INVALIDARG
 Invalid argument.
E_POINTER
 NULL pointer argument.
E_PROP_ID_UNSUPPORTED
 The device does not support this property.
S_OK
 No error.

Requirements

Requirement Value
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header strmif.h (include Dshow.h)
Library Strmiids.lib

See also

Configure the Video Quality

Error and Success Codes

IAMVideoProcAmp Interface