Guide · updated

What Is IPTV? How It Works, What You Need and Is It Legal

IPTV (internet protocol television) is live TV, films and series delivered as streams over an internet connection instead of an aerial, cable or satellite dish. To watch it you need three things: a source that gives you a playlist or login, an app that plays it, and a fast enough connection.

Opus Media Player is the app part: a player for the M3U playlist or Xtream Codes login you already have.

How does IPTV work?

Each channel is a stream on a server: a continuous run of short video segments (HLS, with addresses ending in .m3u8) or one continuous transport stream (addresses ending in .ts). The player asks the server for the stream and plays it as it arrives.

A source hands you the list of those stream addresses, either as an M3U playlist link or as an Xtream Codes login from which the player fetches the list itself. The TV guide (EPG) is a separate file of programme times, described in the XMLTV guide.

Player, playlist and provider: what is the difference?

Provider (source)
The service that runs the streams and issues your playlist or login. It decides which channels you get, how many devices may connect and when access ends.
Playlist or login
The list of stream addresses, as an M3U link or an Xtream Codes server, username and password.
Player
The app that reads the list and plays the streams. It cannot add channels, extend an account or fix a stream that is offline.

That split tells you who to ask when something breaks: a missing channel or an expired account is the provider's job; an app that crashes or will not accept a valid link is the player's.

How fast does my internet need to be?

PictureRough speed per streamNotes
SD3–4 MbpsFine on most connections, including mobile data.
HD (720p–1080p)5–10 MbpsLive sport at 50 frames per second needs the upper end.
4K20–25 MbpsWired Ethernet is far more reliable than Wi-Fi at this rate.

These are rules of thumb; the real figure is whatever bitrate the source sends. Each device watching at the same time needs its own share. Many live IPTV streams come at one fixed quality, so a connection that is too slow shows up as buffering rather than a softer picture.

Live TV, films and series, and catch-up

Most sources offer live channels plus a library of films and series (often called VOD). Some also keep recent broadcasts for a few days so you can watch them later (catch-up or TV archive); that depends on both the source and the player supporting it. Opus plays live channels, films and series; it does not offer catch-up.

The technology is legal; many TV operators and broadcasters use it to deliver their own channels. What can be illegal is the source: a service that resells channels without the rights to them. A low price for thousands of premium channels is the usual sign.

Using an IPTV player is legal. Whether watching a particular source is legal depends on the rights to its content and the law where you live.

Frequently asked questions

Can I watch IPTV without the internet?

No. Every channel is streamed as you watch, so playback needs a connection the whole time.

Do I need a special box?

No. A phone, tablet, Apple TV, Android TV or Fire TV with a player app is enough. Opus runs on all of them; the Apple TV page shows a typical setup.

Does Opus include channels?

No. Opus is the player only; it is empty until you add a playlist or login from your own source.

Why does IPTV buffer?

Usually because the connection, the Wi-Fi to the TV or the source server cannot keep up with the stream. The IPTV troubleshooting guide shows how to tell which.