I got the same error on orange pi pc and newest armbian (mainline based kernel 5.10.y) on it.

We check kernel config for configuration, provided by Sunxi- Cedrus and determine that cedrus was configured right. If we replace /dev/cedar_dev by /dev/video0, where is our cedrus driver, ffmpeg fails on ioctl IOCTL_GET_ENV_INFO. We check kernel config for configuration, provided by Sunxi-Cedrus and determine that cedrus was configured right.Īlso we have tried all described actions on official armbian buster image for nanopi neo air and we have got the same result.įfmpeg was buided from FFmpeg- Cedrus, also we try follow this and use this binaries - result haven't changed.Īfter some inspecting sources of ffmpeg- cedrus we found that ffmpeg try to open /dev/cedar_dev device, which don't exists in our system. Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (cedrus264))Įrror while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or heightįfmpeg was buided from FFmpeg-Cedrus, also we try follow this and use this binaries - result haven't changed.Īfter some inspecting sources of ffmpeg-cedrus we found that ffmpeg try to open /dev/cedar_dev device, which don't exists in our system. Link 0x02000007: from remote pad 0x1000006 of entity 'Borei_VideoDriver 0-003c': Data, Enabled, ImmutableĪfter some reconfiguration of dts, we can successfully capture video in low fps withįfmpeg -f v4l2 -framerate 25 -video_size 960x720 -i /dev/video1 output.mkvįfmpeg -f v4l2 -channel 0 -video_size 960x720 -i /dev/video1 -pix_fmt nv12 -r 30 -b:v 64k -c:v cedrus264 test.mp4įfmpeg ffmpeg -f v4l2 -channel 0 -video_size 960x720 -i /dev/video1 -pix_fmt nv12 -r 30 -b:v 64k -c:v cedrus264 test.mp4 > ffmpeg_error.txtįfmpeg version git-f86a076 Copyright (c) 2000-2014 the FFmpeg developersīuilt on 09:02:41 with gcc 8 (Debian 8.3.0-6)Ĭonfiguration: -prefix=/usr -enable-nonfree -enable-gpl -enable-vdpau -enable-libx264 -enable-libv4l2

Ubuntu ffmpeg serial number