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VEYE CS Camera on Firfly Boards (view source)
Revision as of 11:44, 22 November 2022
, 11:44, 22 November 2022→Check system status
==== v4l2-ctl ====
==== v4l2-ctl ====
===== Install v4l2-utils =====
<code>sudo apt-get install v4l-utils</code>
===== List the data formats supported by the camera =====
<code>v4l2-ctl --list-formats-ext</code>
===== Snap YUV picture =====
<code>v4l2-ctl --set-fmt-video=width=1920,height=1080,pixelformat=UYVY --stream-mmap --stream-count=1 --stream-to=uyvy-1920x1080.yuv</code>
<code>v4l2-ctl --set-fmt-video=width=1920,height=1080,pixelformat='NV12' --stream-mmap --stream-count=100 --stream-to=nv12-1920x1080.yuv</code>
Play YUV picture
<code>ffplay -f rawvideo -video_size 1920x1080 -pix_fmt nv12 nv12-1920x1080.yuv</code>
===== Check frame rate =====
<code>v4l2-ctl --set-fmt-video=width=1920,height=1080,pixelformat=UYVY --stream-mmap --stream-count=-1 --stream-to=/dev/null</code>
<br />
==== yavta ====
==== yavta ====