[FFmpeg-trac] #7356(ffmpeg:new): -map 0:s:m:language:eng - ERORR it does not extract eng sub. It always extract first sub Stream

[FFmpeg]

#7356: -map 0:s:m:language:eng - ERORR it does not extract eng sub. It always
extract first sub Stream
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             Reporter:  KnightDanila  |                    Owner:
                 Type:  enhancement   |                   Status:  new
             Priority:  wish          |                Component:  ffmpeg
              Version:  unspecified   |               Resolution:
             Keywords:  map           |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Changes (by Gyan):

 * priority:  normal => wish
 * type:  defect => enhancement


Comment:

 Not a bug.

 Selecting streams via metadata keys cannot be compounded with use of
 stream specifiers.

 e.g. only `-map 0:m:language:eng` and not `-map 0:s:m:language:eng`

 And mapping using stream specifiers may only be suffixed with a stream
 index.

 e.g. `-map 0:s:2` to select the third subtitle stream of input 0.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7356#comment:1>
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