LEADTOOLS Filters Help > Filters, Codecs and Interfaces > Audio Filters > VU Meter Filter > ILMAVUMeterDisp Interface |
Parameters
pVal |
Pointer to a variable that receives the current left channel power level. |
Description
Used to query the current 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).
Returns
S_OK if successful, an HRESULT error code otherwise.
Parameters
pVal |
Pointer to a variable that receives the current right channel power level. |
Description
Used to query the current 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).
Returns
S_OK if successful, an HRESULT error code otherwise.