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太晚了无咯无咯
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Ubuntu qt+opencv出现错误：
libv4l2: error setting pixformat: 设备或资源忙
HIGHGUI ERROR: libv4l unable to ioctl S_FMT
libv4l2: error setting pixformat: 设备或资源忙
libv4l1: error setting pixformat: 设备或资源忙
libv4l2: error setting pixformat: 设备或资源忙
libv4l1: error setting pixformat: 设备或资源忙
HIGHGUI ERROR: libv4l unable to ioctl VIDIOCSPICT
2018年07月28日 06点07分
1
libv4l2: error setting pixformat: 设备或资源忙
HIGHGUI ERROR: libv4l unable to ioctl S_FMT
libv4l2: error setting pixformat: 设备或资源忙
libv4l1: error setting pixformat: 设备或资源忙
libv4l2: error setting pixformat: 设备或资源忙
libv4l1: error setting pixformat: 设备或资源忙
HIGHGUI ERROR: libv4l unable to ioctl VIDIOCSPICT
