Opened 8 months ago
#10539 new defect
SRT listen on IPv6 fails
| Reported by: | Sesse | Owned by: | |
|---|---|---|---|
| Priority: | normal | Component: | avformat |
| Version: | git-master | Keywords: | libsrt |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | no | |
| Analyzed by developer: | no |
Description
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.
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