[FFmpeg-trac] #7266(avcodec:closed): Splitting 5.1 audio into discrete AAC streams is broken in FFmpeg

[FFmpeg]

#7266: Splitting 5.1 audio into discrete AAC streams is broken in FFmpeg
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             Reporter:  owlboy       |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:  wontfix
             Keywords:  aac          |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
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Changes (by richardpl):

 * status:  open => closed
 * resolution:   => wontfix


Comment:

 This is usage issue. You need to add to every single output of your
 filtergraph `aformat=channel_layouts=mono` and properly map them to
 output.

 AAC with PCE can not encode FL/FR/SL/SR/.. channel layouts, so you need to
 convert each stream to mono channel layout.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7266#comment:7>
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