[FFmpeg-trac] #7712(ffmpeg:open): Check for multiple -filter options broken

[FFmpeg]

#7712: Check for multiple -filter options broken
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             Reporter:  Gyan        |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  ffmpeg
              Version:  git-master  |               Resolution:
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Changes (by kara):

 * cc: alexandr.kara@… (added)


Comment:

 I can trigger it with ffmpeg -i v0.avi  -i v1.avi -c:v copy -c:a aac -map
 0:0 -map 1:1 -map 0:1 -ac:a:0 2 -filter:a:0 "adelay=1s,atempo=0.959"
 -filter:a:1 "atrim=1.45" -metadata:s:a:0 language=cze -metadata:s:a:1
 language=eng -metadata:s:s:0 language=eng output.mkv

 Looks like -filter:a:0 and -filter:a:1 are not treated as separate.

 The error is:
 Only '-vf (null)' read, ignoring remaining -vf options: Use ',' to
 separate filters
 Only '-af adelay=1s,atempo=0.959' read, ignoring remaining -af options:
 Use ',' to separate filters
 Only '-af atrim=1.45' read, ignoring remaining -af options: Use ',' to
 separate filters

 The version is 4.2.1 (Fedora 31)

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Ticket URL: <https://trac.ffmpeg.org/ticket/7712#comment:4>
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