#include "ltmm.h"
C Syntax |
HRESULT IltmmAudioInput_get_Loudness(pInput, pVal) |
C++ Syntax |
HRESULT get_Loudness(pVal) |
IltmmAudioInput *pInput; |
pointer to an interface |
VARIANT_BOOL *pVal; |
pointer to a variable |
Retrieves a value that indicates whether the loudness control is on or off.
Parameter | Description | |
pInput | Pointer to an IltmmAudioInput Interface. | |
pVal | Pointer to a variable to be updated with a value that indicates whether the loudness control is on or off. Possible values are: | |
Value | Meaning | |
TRUE | Loudness is on. | |
FALSE | Loudness is off. |
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. |
For more information, refer to the Microsoft documentation for IAMAudioInputMixer::get_Loudness .
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. |
Win32, x64
For a C example, refer to IltmmAudioInput::get_Bass Example for C.
For a C++ example, refer to IltmmAudioInput::get_Bass Example for C++.
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document