[FFmpeg-trac] #8035(undetermined:new): Issue with audio channel mapping

FFmpeg trac at avcodec.org
Wed Jul 24 16:48:29 EEST 2019

#8035: Issue with audio channel mapping
             Reporter:  svihalekjan  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
  filter_complex amerge audio        |
  channel mapping                    |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by Cigaes):

 - Is the video part necessary to observe the issue or can it be reproduced
 with simple PCM output, in WAVE or FLAC or anything?

 - Can you observe the differences on the output of the showinfo filter
 added after amerge?

 - Instead of merging the useful channels with synthetic silence, try to
 just merge the useful channels and then add empty channels using pan.

Ticket URL: <https://trac.ffmpeg.org/ticket/8035#comment:1>
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