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v4l2-ctl -d /dev/video0 --set-fmt-video=width=1280,height=720,pixelformat=UYVY --stream-mmap=3 --stream-to=/home/root/OV5640_UYVY_720P.yuv --stream-skip=9 --stream-count=1

• --set-fmt-video=width=19201280,height=1080720,pixelformat=pGAA UYVY set image format

• --stream-count <count> stream <count> buffers. The default is to keep streaming forever. This count does not include the number of initial skipped buffers as is passed by --stream-skip.

• --stream-skip <count> skip the first <count> buffers. The default is 0.

• --stream-to <file> stream to this file. The default is to discard the data. If <file> is '-', then the data is written to stdout and the --silent option is turned on automatically.

• --stream-mmap <count> capture video using mmap() [VIDIOC_(D)QBUF] count: the number of buffers to allocate. The default is 3.

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