This is no longer necessary as newer uvcvideo versions query the informationįor details on the UVCIOC_CTRL_MAP ioctl please refer to the section titledįor applications that need to access XU controls directly, e.g.
#GV USB2 LINUX DRIVER DRIVER#
Previous driver versions (before 0.2.0) required another ioctl to be usedīeforehand (UVCIOC_CTRL_ADD) to pass XU control information to the UVC driver. The ioctl used to create these control mappings is called UVCIOC_CTRL_MAP. Triggers a read or write of the associated XU control. However, reading or writing of such a V4L2 controls the stock controls, such asīrightness, contrast, etc.). Such controls appear andįunction exactly like normal V4L2 controls (i.e. Ranges thereof to be mapped to new V4L2 controls.
These allow for individual XU controls or byte
0 kommentar(er)
