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I successfully convert videos to mp4 from images turning the video black and white, is there a way to add contrast and brightness to balance the higher contrast so that it looks sharper? Here is the line i use at the moment successfully

avconv -y -r 24 -i images%04D.png -i music.wav -vcodec libx264 -vf format=grey -strict experimental -acodec aac video.mp4
  • With ffmpeg you can use curves filter to add contrast. – Rajib Jan 19 '15 at 16:41
  • how do you use curves? @Rajib – Fight Fire With Fire Jan 19 '15 at 19:13
  • You should take a look at this. You used avconv so I did not provide an answer. I don't use avconv and so I'm not sure. – Rajib Jan 19 '15 at 20:15
  • you are right @Rajib - curves and presets don't work with avconv at all! just ffmpeg – Fight Fire With Fire Jan 19 '15 at 21:26

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