Understanding RTMP, HLS and How Viewers Actually Watch
One common mistake is thinking RTMP is always what viewers watch directly. In modern streaming setups, RTMP is usually used to send video into the server, while viewers often watch through HLS in a browser, mobile app or embedded video player. Understanding this split makes your whole streaming setup easier to manage.
Step 1: Think of RTMP as the upload path. Your encoder, such as OBS Studio, sends video to the server using a URL like rtmp://server/live plus a stream key.
Step 2: Think of HLS as the viewer path. Nginx can convert the incoming RTMP stream into small .ts video chunks and an .m3u8 playlist file. This allows playback through HTML5 players on websites and mobile devices.
Step 3: Use RTMP for presenters, cameras, studios and contribution feeds. It is reliable, widely supported and simple to configure in encoders.
Step 4: Use HLS for public viewing where browser compatibility matters. Most listeners and viewers do not want to install special software just to watch a stream.
Step 5: Accept that HLS usually adds delay. RTMP ingest can feel quick, but HLS buffers small segments, so a delay of several seconds is normal.
For a professional setup, build your workflow like this: OBS sends RTMP to Ubuntu, Nginx receives the feed, Nginx creates HLS output, and your website embeds the HLS player. That setup is easier to scale, easier to secure and much more user-friendly for viewers.
Hosting tip: For Online Audience style hosting guides, remind users to test changes outside busy broadcast times, keep a backup of the last working configuration, and avoid exposing admin services publicly. A clear checklist, sensible firewall rules and careful bitrate choices will prevent most support issues before they happen.