Hardware-Accelerated Live Broadcasting of Uncompressed ST 2110 Streams with GStreamer leveraging NVIDIA GPUs and NICs

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This presentation showcases pipelines with open sourced NVIDIA GStreamer plugins for GPU and NIC accelerated RTP transmit and receive (NvDsUdp) and NMOS integration (NvDsNmos) for uncompressed broadcast ST 2110 workflows with low CPU overhead and high throughput. It details technical advances such as direct GPU-to-NIC memory transfer, packet paced transmission, and kernel bypass for optimized networking, as well as dynamic endpoint registration and connection management via NMOS. Further, we introduce new SMPTE291 RTP payloader/depayloader for ancillary data streaming, which we demonstrate used in real-time AI enabled live workflows. SMPTE: Society of Motion Picture and Television Engineers ST2110: Suite of standards from SMPTE describing how to send very high bitrate streams (over 10 Gb/s for UHD) with precise synchronization over an IP network. SMPTE291: RTP payload specification for Ancillary Data NMOS: Networked Media Open Specifications for interoperability on the control layer for media devices on an IP infrastructure

Creation date: Oct. 23, 2025
Speakers: Johan Jino
License: CC BY-SA 3.0
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