Resources
Links
Official channels, support contacts and the standards C21 Live Control implements.
This page collects the external resources referenced across the documentation.
Product
- cires21.com — CIRES21 corporate site and product portfolio.
- MediaCopilot — transcription, captioning and clip-generation service used downstream of C21 Live Control Recordings.
Support
- Contact email: hello@cires21.com.
Specifications and standards
Transport and contribution
- SRT Alliance — SRT technical overview — protocol overview used by the
SRTChannel and Destination types. (SRT is an IETF Internet-Draft,draft-sharabayko-srt, not a published RFC.) - DASH-IF Implementation Guidelines — interoperability guidelines that constrain the DASH outputs.
- RFC 8216 — HTTP Live Streaming (HLS) — the IETF version of the HLS specification.
DRM
- Widevine — Widevine DRM SDKs and integration documentation.
- PlayReady — Microsoft PlayReady product portal.
- FairPlay Streaming — Apple's developer portal for FairPlay Streaming.
- ISO/IEC 23001-7 — Common Encryption (CENC) — the CENC and CBCS encryption modes used by the multi-DRM outputs.
AI and agents
- Model Context Protocol — the open protocol C21 Live Control's MCP server implements to expose streaming operations to MCP-compatible agents and automations.
Adjacent transports
- Network Device Interface (NDI) — the studio-routing protocol used by the
NDIChannel type.
Packaging and codecs
- ISO/IEC 14496-12 — ISO Base Media File Format — the container behind
fMP4. - ITU-T H.264 — the specification behind the
h264video codec. - ITU-T H.265 — the specification behind the
hevcvideo codec.
Conventions
- Specification links point to the canonical authority (IETF, ISO, ITU, vendor) rather than to mirrors or third-party explainers.
- Vendor portals are listed for the three DRM systems the product attaches to Destinations: Widevine (Google), PlayReady (Microsoft), FairPlay (Apple).