[FFmpeg-trac] #11432(undetermined:new): Empty output file after conversion if source is 5.1 audio (ac3>opus)

[FFmpeg]

#11432: Empty output file after conversion if source is 5.1 audio (ac3>opus)
-------------------------------------+-------------------------------------
             Reporter:  necros       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Summary of the bug: ac3>opus conversion fails with empty output file if
 source file have 5.1 audio
 How to reproduce:
 {{{
 ffmpeg -i 1.ac3 -map_metadata -1 -c:a libopus -b:a 128k 1.opus}}}

 ffmpeg version N-118351-ga0a89efd07-20250125 Copyright (c) 2000-2025 the
 FFmpeg developers
   built with gcc 14.2.0 (crosstool-NG 1.26.0.120_4d36f27)

 [libopus @ 000001fd9e5eaa40] Invalid channel layout 5.1(side) for
 specified mapping family -1.
 [aost#0:0/libopus @ 000001fd9e5ea800] [enc:libopus @ 000001fd9c5d9080]
 Error while opening encoder - maybe incorrect parameters such as bit_rate,
 rate, width or height.
 [af#0:0 @ 000001fd9c5242c0] Error sending frames to consumers: Invalid
 argument
 [af#0:0 @ 000001fd9c5242c0] Task finished with error code: -22 (Invalid
 argument)
 [af#0:0 @ 000001fd9c5242c0] Terminating thread with return code -22
 (Invalid argument)
 [aost#0:0/libopus @ 000001fd9e5ea800] [enc:libopus @ 000001fd9c5d9080]
 Could not open encoder before EOF
 [aost#0:0/libopus @ 000001fd9e5ea800] Task finished with error code: -22
 (Invalid argument)
 [aost#0:0/libopus @ 000001fd9e5ea800] Terminating thread with return code
 -22 (Invalid argument)
 [out#0/opus @ 000001fd9c54bb40] Nothing was written into output file,
 because at least one of its streams received no packets.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11432>
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