SRT

moq import srt accepts SRT pushes (--listen) or pulls from a remote SRT source (--connect); moq export srt serves SRT to players or pushes to a remote. The payload is MPEG-TS, so the same codecs as import ts apply: H.264/H.265 video and AAC, MP2, AC-3, or E-AC-3 audio. Ingest logs the same per-stream lines as import ts, under an srt{path=...} span: an elementary stream that stopped delivering access units, audio frame sync lost, and damaged units refused. Damage drops that unit and keeps the session alive; video closes its group at the break and resumes at its next keyframe, freezing for up to one GOP.

bash

# Accept a contribution feed and publish it
moq --connect https://relay.example.com/anon --broadcast event.hang import srt --listen '[::]:9000'

# Serve a broadcast to SRT players
moq --connect https://relay.example.com/anon --broadcast event.hang export srt --listen '[::]:9000'
ffplay srt://localhost:9000

# Pull from a remote encoder
moq --connect https://relay.example.com/anon --broadcast event.hang import srt --connect 'srt://encoder.example.com:9000?streamid=live/cam'

A multi-program feed is refused, as with import ts, unless --program picks one: --program 2 imports program 2 alone, and --program all publishes each program as its own broadcast (event.hang becomes event/1.hang, event/2.hang, and so on).

bash

moq --connect https://relay.example.com/anon --broadcast event.hang import srt --listen '[::]:9000' --program all

--latency sets the SRT receive buffer and doubles as the skip threshold on export. Export paces each SRT payload on the media clock, and re-anchors that pacing on a declared marker, so a restarted timeline plays out from the live edge instead of stalling until it catches up. A --connect URL needs a streamid query or a path; a listener bridges one --broadcast and ignores the stream id it is offered. The library is moq-srt.

SRT ​

SRT