Hi all.  I have a board nanopi neo air with armbian linux on it.   We with my colleague try to setting up ffmpeg with cedrus264 for hardware accelerated  capturing video from ov5640-like camera device.  There is my  armbianmonitor.   There are my v4l2-ctl -d /dev/videox -D out:   After some reconfiguration of dts, we can successfully capture video in low fps with  ffmpeg -f v4l2 -framerate 25 -video_size 960x720 -i /dev/video1 output.mkv but with  ffmpeg -