[FFmpeg-trac] #9769(avcodec:open): JPEG 2000 decoder: decoder should ignore any data that appears after End of Codestream marker 0xFFD9

FFmpeg trac at avcodec.org
Sat Aug 6 23:15:59 EEST 2022


#9769: JPEG 2000 decoder: decoder should ignore any data that appears after End of
Codestream marker 0xFFD9
-------------------------------------+-------------------------------------
             Reporter:  Pierre-      |                    Owner:  (none)
  Anthony Lemieux                    |
                 Type:  defect       |                   Status:  open
             Priority:  minor        |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  j2k          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by Carl Eugen Hoyos):

 * priority:  normal => minor

Comment:

 Replying to [ticket:9769 Pierre-Anthony Lemieux]:

 > A J2C file can contain only one codestreams, and thus bytes after the
 End of Codestream marker 0xFFD9 should be ignored.

 Why do you think so? Can you point to the specification saying so?
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9769#comment:20>
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