[FFmpeg-user] how to change a sequences gamma

[Stefano Sabatini]

On date Friday 2012-05-18 08:20:27 +0200, Jared Glass encoded:
> Hi there
> 
> Does anyone have any ideas how to change the gamma of a sequence?
> I've seen in the documentation that it is possible thought it looks
> like it can only be done by ffplay when playing back a video. I need
> this gamma change burnt into the actual frames.
> 
> Any ideas?

Check the lut filter:
http://ffmpeg.org/libavfilter.html#lut_002c-lutrgb_002c-lutyuv

I guess this is supported also through some mp wrapped filters, or
through frei0r.
-- 
ffmpeg-user random tip #19
X11 session recording with ffmpeg:
ffmpeg -f oss -i /dev/audio -f x11grab -s $WIDTHx$HEIGHT -r 5 -i :0.0 \
    x11-session.avi
Use xdpyinfo to get WIDTH and HEIGHT values.