ST2110SenderSender.AncillarySender
ST 2110-40 ancillary sender. Transports SMPTE 291 VANC packets
(CCs, SCTE-104 splice commands, AFD, timecode, etc.) at the
paired video session’s frame rate. Wire SDP advertises
m=video application/smpte291 90000 — the video media type is
per RFC 8331 even though the payload is data.
Field |
Type |
Repeated |
Description |
frame_buffer_size |
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frame_rate |
Pacing rate. Must match the paired video session’s frame rate. |
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interlaced |
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ssrc |
See VideoSender.ssrc. |
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payload_type |
See VideoSender.payload_type. 0 = use Norsk default (113 for ancillary). |
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timecode |
When set, the sender carries ATC (SMPTE ST 12-2) for every video frame of its device, and needs no ancillary input of its own. |