## MMPM/2 Device Driver Reference

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### VCAI_SAVE (61h) - Save Device State

Category:
VIDEO_IOCTL_CAT (140)
Function:
VCAI_SAVE (61h)
Description:
Save Device State

Select an item:

    Description
    Parameter Packet Format
    Data Packet Format

This IOCtl saves the current state of the video device. The video device can be shared among several processes that might gain or lose ownership of the device at any time. This IOCtl is issued when a process is about to lose ownership of the device and needs to save the state of the device before relinquishing ownership.