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This topic applies to Windows XP or later.
The put_Volume method specifies the audio renderer's volume level.
Syntax
HRESULT put_Volume(
[in] long lVol
);
Parameters
- lVol [in]
Specifies the volume level, in units of .01 decibel (dB).
Return Value
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 | Declared in Dshow.h. |
| DLL | Requires Quartz.dll. |
See Also
IBasicAudio::put_Volume
IMSVidAudioRenderer Interface
IMSVidAudioRenderer::get_Volume
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Build date: 12/4/2008