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KSPROPERTY_AUDIO_NUM_EQ_BANDS

The KSPROPERTY_AUDIO_NUM_EQ_BANDS property is used to retrieve the number of frequency bands in the equalization table. This is a get-only property of a channel in an EQ node (KSNODETYPE_EQUALIZER).

Usage Summary Table

GetSetTargetProperty descriptor typeProperty value type

Yes

No

Filter

KSNODEPROPERTY_AUDIO_CHANNEL

ULONG

 

The property value (operation data) is of type ULONG and specifies the number of frequency bands in the node's equalization table.

Return Value

A KSPROPERTY_AUDIO_NUM_EQ_BANDS property request returns STATUS_SUCCESS to indicate that it has completed successfully. Otherwise, the request returns an appropriate error status code.

Remarks

This property is used in conjunction with the KSPROPERTY_AUDIO_EQ_BANDS and KSPROPERTY_AUDIO_EQ_LEVEL properties to determine the lengths of the arrays that contain the values for those properties.

Requirements

Header

Ksmedia.h (include Ksmedia.h)

See also

KSNODEPROPERTY_AUDIO_CHANNEL
KSNODETYPE_EQUALIZER
KSPROPERTY_AUDIO_EQ_BANDS
KSPROPERTY_AUDIO_EQ_LEVEL

 

 

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