tips:video

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tips:video [2018/04/03 20:13] – [on motion] scipiotips:video [2020/09/02 15:59] (current) – [from images to video] scipio
Line 26: Line 26:
 <code> <code>
 # 5 images per seconds # 5 images per seconds
-ffmpeg -y -framerate 5 -pattern_type glob -i '*.jpg' -c:v libx264 -vf "fps=25,scale=720:-1" out.mp4+ffmpeg -y -framerate 5 -pattern_type glob -i '*.jpg' -c:v libx264 -vf "fps=25,scale=720:trunc(ow/a/2)*2" out.mp4
 </code> </code>
 +
 +
 +<code>
 +ffmpeg -r 30 -s 1080x1080 -i imgs/%05d.jpg -vcodec libx264 -crf 15 -pix_fmt yuv420p out.mkv
 +</code>
 +  * crf: quality, minor is better
 +
 +===== from video to images =====
 +
 +
 +<code>
 +ffmpeg -i input.mp4 -qscale:v 2 imgs/%05d.jpg
 +</code>
 +  * qscale:v is quality, 2-15 minor is better
  
 ===== MKV===== ===== MKV=====
  • tips/video.1522779220.txt.gz
  • Last modified: 2018/04/03 20:13
  • by scipio