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Determines whether or not the audio in the video device is used.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmCapture_get_UseVideoDeviceAudio(pCapture, pVal) |
| C++ | HRESULT get_UseVideoDeviceAudio(pVal) |
Pointer to an IltmmCapture interface.
Pointer to a variable that receives a value indicating if the audio in the video device is used. Possible values are:
| Value | Meaning |
|---|---|
| VARIANT_FALSE | The audio in the video device is not used. |
| VARIANT_TRUE | The audio in the video device is used. |
| Value | Meaning |
|---|---|
| S_OK | The function ran successfully. |
| <> S_OK | An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation. |
Call IltmmCapture::put_UseVideoDeviceAudio to specify whether or not to use the audio from the video device.
Win32, x64.
| Language | Example |
|---|---|
| C | IltmmCapture::get_UseVideoDeviceAudio |
| C++ | IltmmCapture::get_UseVideoDeviceAudio |
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