[FFmpeg-trac] #8967(avcodec:new): FFmpeg fails with image2pipe while image2 works

FFmpeg trac at avcodec.org
Mon Nov 9 11:18:27 EET 2020


#8967: FFmpeg fails with image2pipe while image2 works
-------------------------------------+-------------------------------------
             Reporter:  fritsch      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avcodec
              Version:  unspecified  |               Resolution:
             Keywords:  mjpeg        |               Blocked By:
  regression kodi                    |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Cigaes):

 In every console output, you have quoted `1 frames successfully decoded`,
 and never mentioned the successfully decoded frame was wrong. It would
 have been helpful to start with that.

 image2 reads one image per file. image2pipe reads many images concatenated
 together. Therefore, image2pipe, unlike image2, needs to first split the
 frames, which is a complex task and fragile with regard to corrupted data.

 If you know you have only one image, you should be using image2 anyway.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8967#comment:8>
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