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-vsync 2 \ | -vsync 2 \ | ||
all_parts.mp4 -y | all_parts.mp4 -y | ||
</pre> | |||
===Replace transparency=== | |||
[https://superuser.com/questions/1341674/ffmpeg-convert-transparency-to-a-certain-color Reference]<br> | |||
Add a background to transparent images.<br> | |||
<pre> | |||
ffmpeg -i in.mov -filter_complex | |||
"[0]split=2[bg][fg];[bg]drawbox=c=blue@1:replace=1:t=fill[bg]; | |||
[bg][fg]overlay=format=auto" -c:a copy new.mov | |||
</pre> | </pre> | ||