#include "ltmm.h"
C Syntax |
HRESULT IltmmAudioInput_get_MixLevel(pInput, pVal) |
C++ Syntax |
HRESULT get_MixLevel(pVal) |
IltmmAudioInput *pInput; |
pointer to an interface |
double *pVal; |
pointer to a variable |
Retrieves the recording volume level for the audio input.
Parameter | Description | |
pInput | Pointer to an IltmmAudioInput 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, where 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) |
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_MixLevel .
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++.
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