[FFmpeg-trac] #8589(undetermined:new): Concat demuxer is not closing file handles for old playlists

[FFmpeg]

#8589: Concat demuxer is not closing file handles for old playlists
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             Reporter:  karli2000    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  4.2          |               Resolution:
             Keywords:  concat       |               Blocked By:
  playlist cpu                       |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by cus):

 I guess you are referring to the "Automatically appending to the list
 file" example on the wiki, right?

 The problem is that you are crearing an infinite recursion of playlists.
 That will eventually run out of resources, file descriptors first in your
 case.

 FFmpeg only closes the playlist source file descriptor when that playlist
 finishes. None of the playlist files finishes, because the last entry is
 another playlist which never finishes, and so on.

 If you need simple loop features, use -stream_loop, and not this endless
 playlist recursion, which is a *if it works it is not stupid* kind of hack
 and has its limitations.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8589#comment:3>
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