Apa itu M3U8?
Panduan praktis untuk format M3U8 playlist dan protokol HLS streaming.
Pengantar
M3U8 adalah format playlist UTF-8 yang digunakan HLS (HTTP Live Streaming). Biasanya tidak berisi video, tetapi menunjuk ke segments, variants, keys, dan metadata.
HLS diperkenalkan oleh Apple dan kini banyak dipakai untuk live streaming dan VOD di browser, apps, dan platform OTT.
Cara kerja M3U8
1. Server segmentation
The server splits a video into short TS or fMP4 segments and writes an M3U8 index file.
2. M3U8 index
The playlist records segment URLs, playback order, duration, variants, and related metadata.
3. Progressive download
The player downloads segments in order and starts playback before the full video is available.
4. Adaptive bitrate
A master playlist can provide multiple qualities, so the player switches according to network conditions.
Struktur file M3U8
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:10
#EXT-X-MEDIA-SEQUENCE:0
#EXTINF:9.009,
http://media.example.com/first.ts
#EXTINF:9.009,
http://media.example.com/second.ts
#EXTINF:3.003,
http://media.example.com/third.ts
#EXT-X-ENDLIST#EXTM3U - file header for an M3U playlist
#EXT-X-VERSION - HLS protocol version
#EXT-X-TARGETDURATION - maximum segment duration
#EXTINF - segment duration and URL
#EXT-X-ENDLIST - marks VOD playlist end
M3U8 vs MP4
Kelebihan M3U8
- Supports live streaming.
- Adapts quality to bandwidth.
- Starts quickly without downloading the full file.
- Works well with CDN caching.
- Supports encryption.
Batasan M3U8
- Not ideal for local file playback without an HTTP server.
- Many files can be harder to manage.
- Latency can be higher than direct file playback.
- Older devices may need a compatible player.
- Saving offline is less simple than MP4.
Penggunaan umum
Live video
Sports, news, events, and game streams.
VOD platforms
Video sites, online education, and OTT libraries.
Mobile apps
Video playback in phone and tablet applications.
Cara menggunakan M3U8
Online playback
Open a direct M3U8 URL in an HLS-capable player such as M3U8 Player.
Download and save
Use an M3U8 downloader to fetch segments and merge them when you have permission.
Format conversion
Use FFmpeg or a converter to create MP4 from an allowed M3U8 source.