Retrieves a camera control object exposed by the video input device.
#include "ltmm.h"
Language | Syntax |
---|---|
C | HRESULT IltmmCapture_get_CameraControl(pCapture, pVal) |
C++ | HRESULT get_CameraControl(pVal) |
Pointer to an IltmmCapture interface.
Pointer to a variable that will receive the camera control interface pointer.
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. |
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.
Win32, x64.
Language | Example |
---|---|
C | IltmmCameraControl::GetRange |
C++ | IltmmCameraControl::GetRange |
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