[FFmpeg-user] use two video filters together

韩瑞松 550399108 at qq.com
Mon Jul 23 03:43:19 CEST 2012

   I used to add a logo into a movie with the command line that "-vf 'movie=logo.png,scale=100:50[logo];[in][logo]overlay=10:10[out]'".
It works!
   Now,I want to add another video filter that "-vf setpts=0.5*PTS".
   If I use the two together ,only the second one is effective.
   How can I transencod my video with the two filters together and make sure those two are both effective.

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