imaq1394GetBuffer
Format
rval = imaq1394GetBuffer (SESSION_ID sessionID, unsigned long imageIndex, void **buffer);
Purpose
Gets a single image from a low-level acquisition setting. This function takes a buffer as an input. The buffer must be large enough to contain the entire image.
Parameters
Parameter | Type | Description |
sessionID | SESSION_ID | A valid Session ID, which you can obtain with the function imaq1394CameraOpen. |
imageIndex | unsigned long | The index of the image to retrieve. This parameter is used only in non-continuous acquisitions using multiple buffers (sequence acquisitions). Set this parameter to 0 for continuous acquisitions. |
Buffer | void * (passed by reference) | The buffer that contains the image when the function returns. |
Return Value
On success, this function returns IMG1394_ERR_GOOD. On failure, this function returns an error code. You can obtain a more detailed error message with imaq1394ShowError.