Written by marcelpetrick
on April 20, 2016
The sun rose, the cats were watching the birds on the windowsill and at first I just wanted to take a cute picture of them sitting soo close, but then I had another inspiration ..
0. Prepared the logo from some internetsearch; stripped of colors, converted to 3-color-GIF with transparency: all done by GIMP and some magic.
1. converted the video to GIF with greyscaling and resizing
2. merged the two pictures while optimizing the layers and applying some contrast
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ffmpeg -i VID_20160420_061216.mp4 -vf scale=320:180 -strict -2 -vf format=gray video_gray.mp4 && \ ffmpeg -i video_gray.mp4 -t 3 -b:v 1024k -vf scale="320x180" gray320.gif && \ convert gray320.gif -contrast -coalesce -gravity SouthWest -draw 'image Over 0,0 0,0 "leben2.gif"' -layers Optimize combined320.gif |
BTW: sometimes empty phrase-error messages spark my fury … “convert.im6: non-conforming drawing primitive definition `image’ @ error/draw.c/DrawImage/3158.
” … and what does this tell me now?!?
But at least I am not the first one who understood nothing! Thank you.
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