IMSVidAudioRenderer::get_Volume
| Microsoft DirectShow 9.0 |
IMSVidAudioRenderer::get_Volume
This topic applies to Windows XP or later.
The get_Volume method retrieves the audio renderer's volume level.
Syntax
HRESULT get_Volume( long* plVol );
Parameters
plVol
[out] Pointer to a variable that receives the volume level, in units of .01 decibel (dB).
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an error code.
Remarks
Full volume is 0 and silence is –10,000. Divide by 100 to get the equivalent decibel value; for example, –10,000 is –100 dB.
Requirements
Header: Dshow.h.
Library: Quartz.dll.
See Also