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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?

I tried

ffmpeg -i %04d.png out.avi
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2  
How about temporarily renaming them, making the AVI and then renaming them back to the (3x-2).png scheme? Bulk Rename Utility @ bulkrenameutility.co.uk/Main_Intro.php is a free, umm, bulk renamer. –  Mulvya Mar 4 '13 at 15:25

4 Answers 4

up vote 3 down vote accepted

with ffmpeg 0.11.1 it's as easy as:

ffmpeg -f image2 -i %*.png out.avi

From the man page, in an example under "Video and Audio file format conversion":

When importing an image sequence, -i also supports expanding shell-like wildcard patterns (globbing) internally. To lower the chance of interfering with your actual file names and the shell's glob expansion, you are required to activate glob meta characters by prefixing them with a single % character, like in foo-%*.jpeg, foo-%?%?%?.jpeg or foo-00%[234%]%*.jpeg.

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2  
This hasn't been working for me using ffmpeg or avconv in Ubuntu 13.04 –  hellocatfood Sep 12 '13 at 19:24

From http://www.ffmpeg.org/faq.html: If you have large number of pictures to rename, you can use the following command to ease the burden. The command, using the bourne shell syntax, symbolically links all files in the current directory that match *jpg to the ‘/tmp’ directory in the sequence of ‘img001.jpg’, ‘img002.jpg’ and so on.

x=1; for i in *jpg; do counter=$(printf %03d $x); ln -s "$i" /tmp/img"$counter".jpg; x=$(($x+1)); done

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I used this to combine multiple sequences seqA-[0001-n].png, seqB-[0001-n].png, etc. Much easier than messing around with image2 globbing and the concat filter. –  z0r Mar 3 at 3:45

I would actually suggest the same thing Mulvya suggested. Whenever I've needed to do stuff like this when dealing with 3D animation renderings, I've renamed the files to make them sequential. It's just easier to work with that way in a lot of different software unless you need to preserve the file names for some reason. Total Commander is also a great tool for multi-renaming.

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I ended up doing something similar (a Python renaming script). –  FakeRainBrigand Mar 5 '13 at 20:16

Besides the workaround in my comment, you should be able to use this syntax from the ffmpeg documentation:

ffmpeg -f image2 -pattern_type glob -i *.png out.avi
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Doesn't work for me, but it's probably because I have an older build. I'm accepting this one because it's most likely to help future users. –  FakeRainBrigand Mar 5 '13 at 20:14
    
According to the ffmpeg documentation you should use '*.png' instead of %04d.png with the glob pattern type. –  Friend Of George Mar 5 '13 at 22:06
    
That would then select all the pngs present in the folder, besides 00xx.png, whereas the OP wants to queue only the %04d pngs without worrying about numbering continuity. –  Mulvya Mar 6 '13 at 7:09
    
Did you actually test this command? I don't think -pattern_type glob works with %04d.png and will probably result in Could not open file : %04d.png. –  LordNeckbeard Mar 6 '13 at 20:15
    
I haven't tested it. I just checked the syntax for glob @ jedit.org/users-guide/globs.html and it seems that %04d won't work. However, %?%?%?%?.png should work. –  Mulvya Mar 7 '13 at 5:26

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