[FFmpeg-trac] #2465(avfilter:new): Hue filter bug after scale and padding

FFmpeg trac at avcodec.org
Fri Apr 12 20:15:33 CEST 2013

#2465: Hue filter bug after scale and padding
             Reporter:  jbvsmo      |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  hue         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |

Comment (by jbvsmo):

 Sorry, the command line is the simplest possible. It is just a
 I tried with some files and all gave the same result. I will upload the

 The error also shows on ffplay, so I assume libx264 is not the problem


 Another error:

 When scaled down, the "edgedetect" filter will make the original output
 black and white. If removed the "scale" filter, everything works fine.

 $ ffmpeg -i Madeon_Pop_Culture.flv -filter:v 'scale=320:trunc(ow/a/2)*2,
 split[a][b]; [a]pad=iw*2[aa]; [b]edgedetect=[bb]; [aa][bb]overlay=w' -t 10
 -c:a copy -b:v 800k side_by_side_edge.mp4

 Another example attatched.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2465#comment:2>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list