[FFmpeg-trac] #11179(undetermined:new): JPEG conversion failure with zscale

[FFmpeg]

#11179: JPEG conversion failure with zscale
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             Reporter:  Niklas Haas  |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Comment (by Balling):

 > And everyone in the industry used libfaad/libfaac, used MS binary
 decoders, used ...

 Yes, everyone (Android) uses libfdkaac. MS binary decoders for eac3 are
 used by chrome and free hevc hw decoder from microsoft store is used not
 ffmpeg, EAC3 Atmos decoder is Dolby Access.

 >We need to have good scaling support internally

 You do. it is called zscale that uses WTFPL license anyway.
 https://github.com/sekrit-twc/zimg


 >Time and effort should be concentrated on our scaler

 It is unsalvageable, there is a undefined behaviour without accurate_rnd
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Ticket URL: <https://trac.ffmpeg.org/ticket/11179#comment:8>
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