IltmmAudioInputs::get_MixLevel

#include "ltmm.h"

C Syntax

HRESULT IltmmAudioInputs_get_MixLevel(pInputs, pVal)

C++ Syntax

HRESULT get_MixLevel(pVal)

IltmmAudioInputs *pInputs;

pointer to an interface

double *pVal;

pointer to a variable

Retrieves the recording volume level for all audio inputs.

Parameter Description
pInputs Pointer to an IltmmAudioInputs interface.
pVal Pointer to a variable to be updated with the recording volume level. Possible values are:
  Value Meaning
  0.0 to 1.0 Expected range of recording volume level. 0.0 indicates the recording level is off (muted) and 1.0 is the full volume.
  -1.0 The recording level is adjusted automatically. Automatic gain adjustment)

Returns

S_OK

The function was successful.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

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