#include "ltmm.h"

C Syntax

HRESULT IltmmAudioInput_get_Mono(pInput, pVal)

C++ Syntax

HRESULT get_Mono(pVal)

IltmmAudioInput *pInput;

pointer to an interface


pointer to a variable

Retrieves a value that indicates whether the audio input is mono or multi-channel.

Parameter Description
pInput Pointer to an IltmmAudioInput Interface.
pVal Pointer to a variable to be updated with a value that indicates whether the audio input is mono-channel or multi-channel. Possible values are:
  Value Meaning
  VARIANT_TRUE All channels are combined into a mono signal.
  VARIANT_FALSE Multi-channel.



The function was successful.

<> S_OK

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


For more information, refer to the Microsoft documentation for IAMAudioInputMixer::get_Mono .

Required DLLs and Libraries


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


Win32, x64

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