IBasicAudio::put_Volume (Compact 2013)
3/26/2014
This method sets the volume (amplitude) of the audio signal.
Syntax
HRESULT put_Volume(
long lVolume
);
Parameters
lVolume
[in] Value to which to set the Volume property.The allowable input range is -10,000 to 0.
Return Value
Returns an HRESULT value.
E_INVALIDARG is returned for values outside the allowable input range and E_FAIL is returned if the underlying device returns an error.
Remarks
Full volume is 0, and -10,000 is silence; the scale is logarithmic.
Multiply the desired decibel level by 100 (for example -10,000 = -100 dB).
Requirements
Header |
dshow.h |
Library |
Strmiids.lib |