FFmpeg: Difference between revisions

FFmpeg (view source)

346 bytes added , 16 December 2021

5,337

edits

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      -vsync 2 \
      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>