[FFmpeg-trac] #8893(avformat:new): multiple calls to srt_startup/srt_cleanup within a process

[FFmpeg]

#8893: multiple calls to srt_startup/srt_cleanup within a process
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             Reporter:  malcolmb  |                     Type:  enhancement
               Status:  new       |                 Priority:  normal
            Component:  avformat  |                  Version:  git-master
             Keywords:  srt       |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 For software using libavformat directly, allocating and deallocating a
 context that's using libsrt will cause srt_startup() and srt_cleanup() to
 be called. Unless you always have SRT context in existence, this will
 cause the srt startup/cleanup to actually execute multiple times within
 one process. It's reference counted so if you have one context in
 existence all the time then it's fine, the work won't be done multiple
 times in a single process.
 As mentioned by a SRT developer here:
 https://github.com/Haivision/srt/issues/928#issuecomment-550432768
 This is not a recommended workflow (and it's untested).
 It would be great if somehow (maybe via avformat_network_init(),
 avformat_network_deinit()), a calling app could avoid the actual extra
 startup/cleanups until the process is shutting down.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8893>
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