IltmmCapture::get_Balance

#include "ltmm.h"

C Syntax

HRESULT IltmmCapture_get_Balance(pCapture, pBalance)

C++ Syntax

HRESULT get_Balance(pBalance)

IltmmCapture *pCapture;

pointer to an interface

long *pBalance;

pointer to a variable

Retrieves the balance of the audio stream of the preview output.

Parameter

Description

pCapture

Pointer to an IltmmCapture interface.

pBalance

Pointer to a variable to be updated with the balance value. Possible values range from -10000 to 10000, where -10000 indicates that the right channel is receiving no signal, 10000 indicates that the left channel is receiving no signal, and 0 indicates that both channels are getting the same amount of the audio signal.

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.

Comments

Units correspond to .01 decibels (multiplied by -1 when pVal is a positive value). For example, a value of 1000 indicates -10 dB on the right channel and -90 dB on the left channel.

This property gets only the balance of the preview output.

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

See Also

Elements:

IltmmCapture::put_Balance, IltmmCapture::get_Volume, IltmmCapture::put_Volume, IltmmCapture::get_Mute, IltmmCapture::put_Mute

Topics:

Multimedia Function Group

Example

For a C example, refer to IltmmCapture::IsPreviewTapSupported Example for C.

For a C++ example, refer to IltmmCapture::IsPreviewTapSupported Example for C++.

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