[FFmpeg-trac] #5644(undetermined:new): Concat protocol broken

FFmpeg trac at avcodec.org
Wed Jun 15 17:05:57 CEST 2016

#5644: Concat protocol broken
             Reporter:  hunnypuppy   |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  concat       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug: This is a bug with the latest build(N-80335-gcb46b78),
 it was working fine from a old build that I have (N-77010-g4e31176). With
 the new build yesterday I'm getting this error.
 How to reproduce:
 ffmpeg.exe -hide_banner -probesize 100M -analyzeduration 300M -fflags
 +genpts -y -f concat -i "C:\temp\working1\WMV_ConcatList.txt" -map v
 -vcodec copy -map a -acodec copy -avoid_negative_ts 1
 [concat @ 000000e8fb210b00] Unsafe file name
 C:\temp\working1\WMV_ConcatList.txt: Operation not permitted

 I checked the documentation and while I know the safe option exists, based
 on the rules specified this filename should be legal but ffmpeg doesn't
 seem to think so. It may be a bug or a regression not sure how to classify
 it but I don't think it should break.

Ticket URL: <https://trac.ffmpeg.org/ticket/5644>
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