IltmmCapture::get_CameraControl

Summary

Retrieves a camera control object exposed by the video input device.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmCapture_get_CameraControl(pCapture, pVal)
C++ HRESULT get_CameraControl(pVal)

Parameters

IltmmCapture *pCapture

Pointer to an IltmmCapture interface.

IltmmCameraControl **pVal

Pointer to a variable that will receive the camera control interface pointer.

Returns

Value Meaning
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

Not all devices expose this interface. Therefore, this function may update the Camera parameter with NULL.

The IltmmCameraControl interface obtained by this function is used to control device properties such as zoom, tilt, iris, etc. For more information, refer to the IltmmCameraControl interface.

If the function succeeds, the user should release the returned interface pointer by calling the interfaces Release method.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C IltmmCameraControl::GetRange
C++ IltmmCameraControl::GetRange
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.