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Real-Time Messaging RTMP

⬢ 層級 2技術
中等
薪資影響
6 個月
學習時長
困難
難度
12
職業
一覽

RTMP (Real-Time Messaging Protocol) is a TCP-based protocol for streaming low-latency audio and video from encoders to servers and then to viewers. Livestream engineers and video platform builders use RTMP for broadcasting. Learning time: 4–6 months. Salary impact: Medium; specialized skill in live streaming. Adjacent: WebRTC, HLS Streaming, Video Encoding, Nginx, FFmpeg.

什麼是 Real-Time Messaging RTMP

RTMP (Real-Time Messaging Protocol) is a protocol designed by Adobe for streaming media (audio, video, data) over TCP. It's optimized for low-latency ingest from encoders (cameras, broadcast equipment) to streaming servers. RTMP is not consumed directly by browsers (no native support), but servers use it to ingest streams and then transcode them to HLS/DASH for web playback. RTMP remains the industry standard for encoder-to-server communication, even though WebRTC and HLS dominate playback. If you're building a live streaming platform, RTMP ingest is essential.

🔧 工具與生態
Nginx-RTMP ModuleOBS StudioFFmpeglibrtmpWowza Streaming EngineAdobe Media ServerStreamLabs OBSGStreamer

💰 各地區薪資

地區初級中級高級
USA$75,000$120,000$170,000
UK£45,000£80,000£120,000
EU€50,000€85,000€125,000
CANADACA$70,000CA$115,000CA$165,000

❓ 常見問題

Why RTMP and not HLS or DASH?
RTMP is low-latency (1-3 sec) but old, mainly used for ingest from encoders to servers. HLS/DASH are for playback (10-30 sec latency) but universal browser support. Modern platforms use RTMP for ingest, HLS/DASH for playback.
What's the latency on RTMP?
Typically 1–3 seconds from encoder to viewer. Lower than HLS (10s) but higher than WebRTC (0.5–2s). Good for most live events, not for interactive games.
Can I stream RTMP to the web directly?
No, browsers don't support RTMP natively. You ingest via RTMP, then transcode to HLS/DASH for playback in browsers. OBS streams RTMP but the viewer watches via HLS.
Is RTMP dying?
RTMP is mature and stable, mainly used for ingest now. WebRTC is taking over for low-latency playback. Most platforms use RTMP ingest + HLS playback.
What's the difference between RTMPS?
RTMPS is RTMP over TLS encryption. Use RTMPS for security when sending streams over the internet (streaming to a public server).

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