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Bilibili Tech
Bilibili Tech
Apr 29, 2025 · Cloud Computing

Bilibili Live Streaming Technology for the Spring Festival Gala: Experience Enhancement and Interactive Features

Bilibili's R&D built a cloud-based broadcast console for the 2024 CCTV Spring Festival Gala, delivering 4K HDR streaming, AI SDR-to-HDR conversion, low latency, bandwidth‑aware transcoding, and a synchronized “send bullet screen” interactive feature using custom SEI timestamps for hundreds of millions of viewers.

HDRLive StreamingSEI
0 likes · 15 min read
Bilibili Live Streaming Technology for the Spring Festival Gala: Experience Enhancement and Interactive Features
Liulishuo Tech Team
Liulishuo Tech Team
Jul 29, 2020 · Backend Development

Understanding AI Live Streaming: Architecture, Protocols, and Practical Implementation

This article explains the AI live‑streaming architecture used by Liulishuo, covering the basic workflow of push, server, and pull, video/audio encoding and container formats, streaming protocols such as RTMP, HLS and HTTP‑FLV, SEI integration, and provides a step‑by‑step demo using nginx‑rtmp and FFmpeg.

FFmpegLive StreamingNginx
0 likes · 11 min read
Understanding AI Live Streaming: Architecture, Protocols, and Practical Implementation