Web5. Start ffmpeg using that input codec and changing the pixel format to yuyv: ffmpeg -f v4l2 \ -input_format mjpeg \ -framerate 30 \ -video_size 1280x720 \ -i /dev/video0 \ -pix_fmt yuyv422 \ -f v4l2 /dev/video6. Update the video size to the highest size your livestream/video record will support, as long as your camera also supports it. WebJun 2, 2024 · The encoders surely are different, but since the difference here is so large, it can't be purely down to that. ffmpeg -q:v 1 should output the highest possible quality jpeg, and a 95% quality jpeg from imagemagick is 120K, way bigger than the 83K from ffmpeg. motion jpeg is just a sequence of jpeg images so the different formats should not be ...
FFmpegでよく使う例、コーデックをまとめてみた(2024年版)
WebJan 17, 2024 · Failing that you can use motion-JPEG, or even 2 flavours of lossless JPEG (I have no idea what the difference is). Oh and there's JPEG2000 if you really want, … WebApr 17, 2015 · It looks like that would work. However I ended up getting some Free licenses to use Xeoma which handled this for me and added a bunch of features. Like motion detection that triggers a popup with the live video on my Kodi Media center. Archive recording by motion, and transcoding with date/time stamps so I can have my tablet act … data - write.csv r
What is the default FFMPEG codec for outputting images and …
WebSep 19, 2024 · 1 Answer. Sorted by: 8. The usual reason for this is the pixel format. The MJPEG may have 4:2:2 or 4:4:4 chroma sampling which most players don't support in H264. So try. ffmpeg -i source_file.mov -pix_fmt yuv420p -b:v 4000k -c:v libx264 destination_file.mp4. Share. Improve this answer. WebAug 28, 2016 · 4. Still no answer, so I found a workaround : In the on_movie_end event of the motion.conf, I run a command that convert my .avi file in .mp4. ffmpeg -i %f -c:v libx264 -c:a copy myvideo.mp4. ( %f will be the fullpath of the video file) Works like a charm. Share. Improve this answer. Follow. WebJul 28, 2010 · By contrast, MJPEG bandwidth was 13.27Mbps, a 18x difference, with a 95% bandwidth savings. Although both images look similar in quality, the MJPEG scene has a little more visible noise, while … maserati d\u0027occasion à vendre