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is_CaptureVideo |
uEye Camera Manual Version 3.80
is_CaptureVideo
USB 2.0 GigE |
USB 2.0 GigE |
Syntax
INT is_CaptureVideo (HIDS hCam, INT Wait)
Description
is_CaptureVideo() activates the camera's live video mode (free run mode). The driver transfers the images to an allocated image memory or, if Direct3D is used, to the graphics card. The image data (DIB mode) is stored in the memory created using is_AllocImageMem() and designated as active image memory using is_SetImageMem(). Using is_GetImageMem(), you can query the memory address.
If ring buffering is used, the image capturing function cycles through all image memories used for storing the images of a capture sequence in an endless loop. Sequence memories locked by is_LockSeqBuf() will be skipped. If the last available sequence memory has been filled, the sequence event or message will be triggered. Capturing always starts with the first element of the sequence.
For further information on the image capture modes of the uEye camera, see the How To Proceed: Image Capture section.
Input Parameters
hCam |
Camera handle |
Wait |
|
IS_DONT_WAIT |
Timeout value for image capture (see also the How To Proceed: Timeout Values for Image Capture section) |
IS_WAIT |
|
Time t |
|
IS_GET_LIVE |
Returns if live capture is enabled. |
Return Values
IS_SUCCESS |
Function executed successfully |
IS_NO_SUCCESS |
General error message |
IS_TRIGGER_ACTIVATED |
The function cannot be used because the camera is waiting for a trigger signal. |
When used with IS_GET_LIVE |
TRUE if live capture is enabled |
Related Functions
Sample Programs
• | SimpleLive (C++) |
• | uEyeC# Demo (C#) |