[FFmpeg-trac] #7920(avformat:new): "-strict_mime_boundary 1" doesn't actually apply a strict boundary

[FFmpeg]

#7920: "-strict_mime_boundary 1" doesn't actually apply a strict boundary
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             Reporter:  barsnick  |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avformat  |                  Version:  git-master
             Keywords:  mpjpeg    |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 Summary of the bug:
 The mpjpegdec option "-strict_mime_boundary 1" doesn't actually apply a
 strict boundary, as it doesn't find the boundary tag in the "Content-
 type:" header.

 How to reproduce:
 You would need a stream which doesn't actually adhere strictly to the
 boundary specification to notice.

 With debug code, you can determine that even if a boundary is given in the
 "Content-type:" header, mpjpegdec fails to match it and falls back to the
 non-strict "\r\n--" boundary.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7920>
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