User Controls
jiangtao nie <[email protected]> Wed, 23 Jun 2010 17:19:56 +0800
| Newsgroups | gmane.comp.video.video4linux |
|---|---|
| Message-ID | <[email protected]> |
Dear ALL:
V4L2 has defined many user controls IDs prefixed with V4L2_CID_, which
can be found in header file *videodev*2*.h* or *v4l2 spec*. Does it miss
any? For example, Camera class control IDs have been pre-defined as
followed.
*/*in videodev2.h*/*
*/* Camera class control IDs */*
*#define V4L2_CID_CAMERA_CLASS ** **(V4L2_CTRL_CLASS_CAMERA | 1)*
*#define V4L2_CID_EXPOSURE_AUTO** **(V4L2_CID_CAMERA_CLASS_BASE+1)*
*.....................................*
*#define V4L2_CID_PRIVACY** **(V4L2_CID_CAMERA_CLASS_BASE+16)*
16 IDs has been defined,But Camera terminal support 19 controls described
UVC spec.
*D00 Scanning Mode*
* D01 Auto-Exposure Mode*
* D02 Auto-Exposure Priority*
* D03 Exposure Time (Absolute)*
* D04 Exposure Time (Relative)*
* D05 Focus (Absolute)*
* D06 Focus (Relative)*
* D07 Iris (Absolute)*
* D08 Iris (Relative)*
* D09 Zoom (Absolute)*
* D10 Zoom (Relative)*
* D11 Pan (Absolute)*
* D12 Pan (Relative)*
* D13 Roll (Absolute)*
* D14 Roll (Relative)*
* D15 Tilt (Absolute)*
* D16 Tilt (Relative)*
* D17 Focus Auto*
* D18 Privacy*
*
*
* Would V4l2 will support all controls defined by uvc?*
*
*
*
*
*Tony*
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