[FFmpeg-trac] #10539(avformat:new): SRT listen on IPv6 fails

[FFmpeg]

#10539: SRT listen on IPv6 fails
----------------------------------+--------------------------------------
             Reporter:  Sesse     |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avformat  |                  Version:  git-master
             Keywords:  libsrt    |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+--------------------------------------
 How to reproduce:
 {{{
 % ./ffmpeg -i 'srt://[::]:9710?mode=listener' foo.mp4
 ffmpeg version N-111830-gc48ec95ba3 Copyright (c) 2000-2023 the FFmpeg
 developers
   built with gcc 13 (Debian 13.2.0-1)
   configuration: --enable-libsrt
   libavutil      58. 17.100 / 58. 17.100
   libavcodec     60. 23.100 / 60. 23.100
   libavformat    60. 10.101 / 60. 10.101
   libavdevice    60.  2.101 / 60.  2.101
   libavfilter     9. 11.100 /  9. 11.100
   libswscale      7.  3.100 /  7.  3.100
   libswresample   4. 11.100 /  4. 11.100
 [srt @ 0x557d57e23600] Operation not supported: Bad parameters
 [in#0 @ 0x557d57e22cc0] Error opening input: Unknown error occurred
 Error opening input file srt://[::]:9710?mode=listener.
 Error opening input files: Unknown error occurred
 }}}

 It seems this broke with libsrt 1.5.0, cf.:
 https://github.com/Haivision/srt/issues/2764

 Seemingly FFmpeg needs to add a setsockopt call to SRTO_IPV6ONLY
 (preferably to zero, so that one can listen on IPv4+IPv6), or listening is
 forever restricted to legacy IP.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10539>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker