Re:Show HN: Boltstream – Self-hosted full end-to-end live vi...
by iso1631 on Monday December 07, 2020 @01:12PM
(#25335041)
No, SRT is made for web startups and prosumers.
(SRT itself is a defunct file transfer protocol that's had some life brought back into it by Haivision)
Big broadcasters tend to go for "open standards" from groups like SMPTE and DPP. The "DPP001 - Live IP Profile" recommendation has a variety of different profiles depending on the importance of the media and the network that's involved, but it generally revolves around MPEGTS over RTP, with either dual streaming (sending the same packets down two different networks), or RIST (so a NACK based error correction), or perhaps both. Certainly when I broadcasted major international TV events recently, I've gone for both RIST and two networks.
The last thing you want is your signal to drop out for 10 seconds due to a power failure while your network reroutes just as the final touchdown at the superbowl happens - or worse in the the commercials.
(SRT itself is a defunct file transfer protocol that's had some life brought back into it by Haivision)
Big broadcasters tend to go for "open standards" from groups like SMPTE and DPP. The "DPP001 - Live IP Profile" recommendation has a variety of different profiles depending on the importance of the media and the network that's involved, but it generally revolves around MPEGTS over RTP, with either dual streaming (sending the same packets down two different networks), or RIST (so a NACK based error correction), or perhaps both. Certainly when I broadcasted major international TV events recently, I've gone for both RIST and two networks.
The last thing you want is your signal to drop out for 10 seconds due to a power failure while your network reroutes just as the final touchdown at the superbowl happens - or worse in the the commercials.