Using ffmpeg to create looping apng

ffmpeg apng
Harry picture Harry · May 5, 2017 · Viewed 12.1k times · Source

I'm trying to create looping apng files from mkvs. My problem is that they don't loop. The files play once, but stop.

This is what I'm doing:

 ffmpeg -ss 16:43 -i ./10.mkv -loop 10 -t 1 -filter:v "setpts=PTS-STARTPTS, crop=1200:800, hqdn3d=1.5:1.5:6:6, scale=600:400"  10-file-2.apng

I've tried -loop -1 -loop 10 -loop 1 but there is no looping done. My version is

ffmpeg-3.3.el_capitan.bottle.tar.gz

Answer

Gyan picture Gyan · May 5, 2017

The parameter for looping APNGs is -plays.

ffmpeg -ss 16:43 -i ./10.mkv -plays 10 -t 1 -vf "setpts=PTS-STARTPTS, crop=1200:800, hqdn3d=1.5:1.5:6:6, scale=600:400"  10-file-2.apng
  • -plays 0: loops forever
  • -plays 1: plays once (i.e. no loop)
  • etc.

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