IltmmAudioInput::put_MixLevel

#include "ltmm.h"

C Syntax	HRESULT IltmmAudioInput_put_MixLevel(pInput, newVal)
C++ Syntax	HRESULT put_MixLevel(newVal)

IltmmAudioInput *pInput;	pointer to an interface
double newVal;	recording volume

Sets the recording volume level for the audio input.

Parameter	Description
pInput	Pointer to an IltmmAudioInput Interface.
newVal	Value that represents the new recording volume level. Possible values are:
	Value	Meaning
	0.0 to 1.0	The allowed range for the recording volume level. 0.0 indicates the recording level is off (muted) and 1.0 is 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.

Comments

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

See Also

Elements:	IltmmAudioInput::get_Bass, IltmmAudioInput::get_BassRange, IltmmAudioInput::get_Loudness, IltmmAudioInput::get_MixLevel, IltmmAudioInput::get_Pan, IltmmAudioInput::get_Treble, IltmmAudioInput::get_TrebleRange, IltmmAudioInput::put_Bass, IltmmAudioInput::put_Loudness, IltmmAudioInput::put_Mono, IltmmAudioInput::get_Mono, IltmmAudioInput::put_Pan, IltmmAudioInput::put_Treble
Topics:	Multimedia Function Group