IMFMediaEngine::SetVolume method (mfmediaengine.h)

Sets the audio volume level.

Syntax

HRESULT SetVolume(
  [in] double Volume
);

Parameters

[in] Volume

The volume level. Volume is expressed as an attenuation level, where 0.0 indicates silence and 1.0 indicates full volume (no attenuation).

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

When the audio balance changes, the Media Engine sends an MF_MEDIA_ENGINE_EVENT_VOLUMECHANGE event. See IMFMediaEventNotify::EventNotify.

Requirements

See also

IMFMediaEngine