IMSVidAudioRenderer::put_Volume
Microsoft DirectShow 9.0 |
IMSVidAudioRenderer::put_Volume
This topic applies to Windows XP or later.
The put_Volume method specifies the audio renderer's volume level.
Syntax
HRESULT put_Volume( long lVol );
Parameters
lVol
[in] Specifies 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. Multiply the desired decibel level by 100; for example, –100 dB is -10,000.
Requirements
Header: Dshow.h.
Library: Quartz.dll.
See Also