I have a bunch of images, that follow this pattern.
0001.png 0004.png 0007.png 0010.png 0013.png 0016.png 0019.png ...
They're in the correct order, but FFMPEG ignores anything after the first file, because it can't find a
0002.png. How can I get it to join these files?
ffmpeg -i %04d.png out.avi