UHD playout goes cloud-light: “4K on five cores”
coralbay.tv updated its cloud-native coralPlay playout pipeline to support UHD 4K 2160p (BT.2100) and HDR workflows, including HLG at 50 and 59.94 fps, plus built-in HDR-to-SDR and SDR-to-HDR conversion. The release adds 10- and 12-bit color depth support and performance optimizations (AVX2/AVX512, GPU acceleration for encoding and HTML graphics rendering), with the company citing UHD channel operation on an Amazon EC2 g4dn instance using as few as five CPU cores.
Key Takeaways
- coralPlay now supports UHD 2160p (BT.2100) and HLG at p50/p59.94 for broadcast-grade HDR playout
- Built-in HDR-to-SDR and SDR-to-HDR conversion targets mixed-device distribution without extra processing stages
- Adds 10- and 12-bit color depth support for higher-fidelity HDR pipelines
- Performance optimizations include AVX2/AVX512 compositor improvements and GPU acceleration for encoding + HTML graphics rendering
- coralbay.tv claims a full UHD channel can run on an Amazon EC2 g4dn instance using as few as five CPU cores
Why It Matters
UHD/HDR channel origination is shifting from “specialized hardware” to “efficient cloud software,” and cost-per-channel is the battleground. If coralPlay can reliably deliver 4K HDR with minimal CPU on commodity GPU instances, it lowers the barrier for FAST networks, regional broadcasters, and pop-up event channels to go premium without premium infrastructure. Built-in HDR↔SDR conversion also simplifies multi-platform output where HDR adoption is uneven. The emerging meme: optimization is the new feature—vendors that turn 4K into a predictable cloud line item win budget, scale, and deployment velocity.
Read full article at tvbeurope.com