[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:  7.1          |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Comment (by Niklas Haas):

 > Clearly, not fixed: JPEG uses center chroma, yet that was never mandated
 by the code, see: #9693.

 Adding support for chroma location negotiation is somewhere on my TODO
 list. I believe I have a branch for it somewhere, even. But it's not in
 scope for 7.1.

 > That is false. #8074 703288cec6522655e8533c89efa3cd6df9613b99

 Patches welcome. If you add proper tag handling to ProRes, we can relax
 this restriction easily.
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Ticket URL: <https://trac.ffmpeg.org/ticket/11179#comment:3>
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