ILMFAVUMeter

Data Types

VUMETER_LEVEL

Summary

Describes the current VU meter power levels.

Syntax

typedef struct 
{ 
   long lLeft; 
   long lRight; 
} VUMETER_LEVEL; 

Members

lLeft

The left channel power level.

Possible values are range from -10,000 to 0, where 0 is the full power and -10,000 is silence.

The scale is logarithmic.

Divide by 100 to get the equivalent decibel value (for example -10,000 = -100 dB).

lRight

The right channel power level.

Possible values are range from -10,000 to 0, where 0 is the full power and -10,000 is silence.

The scale is logarithmic.

Divide by 100 to get equivalent decibel value (for example -10,000 = -100 dB).

Methods

HRESULT GetLevel(VUMETER_LEVEL *pLevel)

Description

Used to query the current audio power levels.

Parameters

pLevel

Pointer to a VUMETER_LEVEL structure that receives the current power levels.

Returns