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IMSVidAudioRenderer::get_Volume Method

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This topic applies to Windows XP or later.
The get_Volume method retrieves the audio renderer's volume level.

Syntax

HRESULT get_Volume(
  [out]  long *plVol
);

Parameters

  • plVol [out]
    Pointer to a variable that receives 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. Divide by 100 to get the equivalent decibel value; for example, –10,000 is –100 dB.

Requirements

Header Declared in Dshow.h.
DLL Requires Quartz.dll.

See Also

IBasicAudio::get_Volume
IMSVidAudioRenderer Interface
IMSVidAudioRenderer::put_Volume

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Build date: 12/4/2008