[FFmpeg-trac] #9547(ffmpeg:new): Not auto-detecting dts codec when encoding to m3u8

[FFmpeg]

#9547: Not auto-detecting dts codec when encoding to m3u8
-------------------------------------+-------------------------------------
             Reporter:  AlexPress0   |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  ffmpeg
              Version:  4.4.1        |               Resolution:
             Keywords:  DTS m3u8     |               Blocked By:
  autodetect                         |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by AlexPress0):

 After a few tests, I noticed that, when mapping the audio stream (adding
 {{{-map 0:1}}}) it stopped to give an error on the stream #0:1 and then
 gave the same error for the stream #0:2, which is a subrip subtitles
 stream.

 Specifying the subtitles codec ({{{-scodec srt}}}) makes the encoding work
 for the video and the audio, but the console always gives that warning:
 {{{
 [mpegts @ 000001d381f0a1c0] Stream 2, codec subrip, is muxed as a private
 data stream and may not be recognized upon reading.
 }}}

 Tried to read the files with VLC, there was no subtitles displayed
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9547#comment:2>
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