IltmmAudioInput::put

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)

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

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

Example