## MMPM/2 Device Driver Reference

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### VCAI_VIDEOADJ (75h) - Set/Query Video Adjustments

Category:
VIDEO_IOCTL_CAT (140)
Function:
VCAI_VIDEOADJ (75h)
Description:
Set/Query Video Adjustments

Select an item:

    Description
    Parameter Packet Format
    Data Packet Format
    Remarks

This IOCtl allows the caller to set and query the value of attributes controlling the behavior (and thus the image) of the video device. Typical video image adjustments, such as those found on television sets, including brightness, contrast, and hue, can be queried and set with this call.