is_UnlockSeqBuf

USB 2.0

USB 3.0

GigE

USB 2.0

USB 3.0

GigE

Syntax

INT is_UnlockSeqBuf (HIDS hCam, INT nNum, char* pcMem)

Description

Using is_UnlockSeqBuf(), you unlock a previously locked image memory in order to make it available again for storing captured images. The image memory is re-inserted at its previous position in the sequence list.

Input parameters

hCam

Camera handle

nNum

Number of the image memory to unlock.
When you pass IS_IGNORE_PARAMETER, the image memory is only identified by its starting address.

nNum identifies the position in the sequence list, not the memory ID assigned with is_AllocImageMem().

pcMem

Starting address of the image memory

nNum	pcMem	Unlocks based on
valid	valid	pcMem
valid	NULL	nNum
IGNORE	valid	pcMem
IGNORE	NULL	Error

Return values

IS_BAD_STRUCTURE_SIZE	An internal structure has an incorrect size.
IS_INVALID_CAMERA_HANDLE	Invalid camera handle
IS_INVALID_PARAMETER	One of the submitted parameters is outside the valid range or is not supported for this sensor or is not available in this mode.
IS_NO_SUCCESS	General error message
IS_SUCCESS	Function executed successfully

Related functions

•is_LockSeqBuf()

•is_WaitForNextImage()

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