[MPlayer-users] how to keep the alpha channel

叶树根 bulutiang at yahoo.com.cn
Tue Sep 23 08:34:56 CEST 2008


hi all
  Making movies with ffmpeg from png images.
  my command is:
  mencoder "mf://*.png" -mf fps=25:type=png -ovc vfw -xvfwopts codec=vp6vfw.dll -of lavf -o ffff.flv
  I can get .flv file,  but it's lost alpha channel.
   
  Do i need to give an extra command to keep the alpha channel ? 
Does anybody know how to get a flv file with an alpha channel ?

       
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