Describes the current VU meter power levels.
typedef struct
{
long lLeft;
long lRight;
} VUMETER_LEVEL;
Left channel power level. The range is -10,000 to 0. Full power is 0, and -10,000 is silence; the scale is logarithmic. Divide by 100 to get the equivalent decibel value (for example -10,0000 = -100 dB).
Right channel power level. The range is -10,000 to 0. Full power is 0, and -10,000 is silence; the scale is logarithmic. Divide by 100 to get equivalent decibel value (for example -10,0000 = -100 dB).
Used to query the current audio power levels.
Pointer to a VUMETER_LEVEL structure that receives the current power levels.
Return | Description |
---|---|
S_OK | Successful. |
HRESULT code | An error occurred. |
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