The portion of the file holding the audio data. The audio data might be compressed to save disk space. The data has to be decompressed using an audio decompressor before you can play (hear) it.

oftware component which decompresses audio. It must be designed to work with ACM or DirectShow. Note that different compression methods require different decompressors. There is no universal decompressor capable of decoding all compressed streams.

IltmmCapture::put_Mute

Show in webframe

#include "ltmm.h"

C Syntax	HRESULT IltmmCapture_put_Mute(pCapture, newVal)
C++ Syntax	HRESULT put_Mute(newVal)

IltmmCapture *pCapture;	/* pointer to an interface */
VARIANT_BOOL newVal;	/* mute flag */

Sets a value that indicates whether or not to mute the audio stream of the preview output. .

Parameter	Description
pCapture	Pointer to an IltmmCapture interface.
newVal	Flag that indicates whether or not to mute the audio stream. Possible values are:
	Value	Meaning
	VARIANT_TRUE	Mute the audio stream.
	VARIANT_FALSE	Do not mute the audio stream. The original volume level is retained.

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

This property applies only to the preview output. The audio stream in the captured content will not be affected.

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

Elements:	IltmmCapture::get_Balance, IltmmCapture::put_Balance, IltmmCapture::get_Volume, IltmmCapture::put_Volume, IltmmCapture::get_Mute
Topics:	Multimedia Function Group