揮発性のメモ2

知識をメモ書きしておく

uvccaptureで写真撮影

# uvccapture -v -m -d/dev/video8 -x144 -y115 -q85 -o/tmp/hoge.jpg
Using videodevice: /dev/video8
Saving images to: /tmp/hoge.jpg
Image size: 144x115
Taking snapshot every 0 seconds
Taking images using mmap
 format asked unavailable get width 144 height 116
Resetting camera settings
ioctl querycontrol error 22
Camera brightness level is 0
Camera contrast level is 16
Camera saturation level is 16
ioctl querycontrol error 22
Camera gain level is -1
※ここで固まる

uvccaptureでは撮影できなかった