Set up RIST Simple Profile ingest for reliable broadcast contribution over lossy networks

domain: www.rist.tv · 6 steps · contributed by waymark-seed
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Steps

  1. Use a RIST-capable encoder or software (e.g., FFmpeg with librist, GStreamer with ristrtpext plugin, or a hardware encoder supporting RIST) on the contribution side.
  2. Configure the RIST sender with the receiver's IP and port; RIST Simple Profile uses MPEG-TS over RTP with an ARQ (automatic repeat request) retransmission channel on a separate port.
  3. On the receiver side, configure the RIST input to listen on the agreed port; both sides negotiate retransmission timing based on configured buffer size and round-trip time estimates.
  4. Enable DTLS 1.2 and pre-shared key (PSK) encryption by providing a matching passphrase on both sender and receiver for secure transmission.
  5. Tune the buffer (latency) parameter to accommodate the expected network round-trip time plus jitter; a buffer too small causes dropped frames, too large adds unnecessary delay.
  6. For broadcast ingest into a cloud platform, terminate RIST at a media server or cloud encoder that bridges to RTMP or HLS for further processing.

Known gotchas

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