write make a gif

vision/make_a_gif.md

@@ -0,0 +1,22 @@
+---
+title: "Make a gif"
+tags: [ "vision" ]
+---
+
+Split your video into frames.
+
+```sh
+d=$(mktemp -d)
+cp $vid.mp4 $d
+cd $d
+
+ffmpeg -i $vid.mp4 -vf "fps=10, scale=360:-1" frame%04d.png
+gifski --fps 10 -o ${out}.gif frame*.png
+```
+
+Optimize:
+
+```sh
+gifsicle --optimize=3 --lossy=100 -o ${final}.gif ${out}.gif
+```
+