[FFmpeg-trac] #11619(avcodec:new): "libopus" downmix (5.1 -> 2ch) unintended volume clipping

[FFmpeg]

#11619: "libopus" downmix (5.1 -> 2ch) unintended volume clipping
---------------------------------+-----------------------------------
             Reporter:  Marco    |                    Owner:  (none)
                 Type:  defect   |                   Status:  new
             Priority:  normal   |                Component:  avcodec
              Version:  7.1      |               Resolution:
             Keywords:  libopus  |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  1        |
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Comment (by MasterQuestionable):

 ͏    FFmpeg tried to use "libopus" 's handling for channel remix.
 ͏    And "libopus" botched the job.

 ͏    Some codecs have internal extra conversion capability.
 ͏    Which FFmpeg may attempt to use.
 ͏    .
 ͏    E.g.
 ͏    "libwebp", when inputting unmatching color format; may warn:
 ͏    |*| Using libwebp for RGB-to-YUV conversion. You may want to consider
 passing in YUV instead for lossy encoding.
 ͏    |*| Using libwebp for YUV-to-RGB conversion. You may want to consider
 passing in RGB instead for lossless encoding.
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Ticket URL: <https://trac.ffmpeg.org/ticket/11619#comment:6>
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