LEADTOOLS Filters Help
| LEADTOOLS Filters Help > Filters, Codecs and Interfaces > Audio Filters > VU Meter Filter > ILMAVUMeter Interface |
typedef struct
{
long lLeft;
long lRight;
} VUMETER_LEVEL;
Describes the current VU meter power levels.
|
Member |
Description |
|
lLeft |
Left channel power level. The range is 10000 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 10,000 = 100 dB). |
|
lRight |
Right channel power level. The range is 10000 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 10,000 = 100 dB). |
Parameters
|
pLevel |
Pointer to a VUMETER_LEVEL structure that receives the current power levels. |
Description
Used to query the current audio power levels.
Returns
S_OK if successful, an HRESULT error code otherwise.
