Modern Online Radio with Liquidsoap
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Modern Online Radio with Liquidsoap

About the Book

This book will show you how to create a more powerful, customized internet radio station with the software Liquidsoap. Liquidsoap offers many features that Icecast or Shoutcast alone does not, such as playlist scheduling, crossfading between tracks, live dj input with fallback to static playlist, and pretty much anything else you can imagine, as it exposes a full programming language interface.

However the learning curve can be a bit daunting. I'll walk you through creating all of the most popular radio features, such as scheduling, live dj, static playlists, and jingles. Then we'll go into some advanced things liquidsoap can do like audio effects and video.

You can read more about liquidsoap at their website.

About the Author

Tony Miller
Tony Miller

I've been using liquidsoap and icecast to run my own internet radio station over the past 3 years or so. I've learned a lot during that time and I'd love to help other people build out their stations. I am currently based in Tokyo, Japan working as a web engineer.

Table of Contents

  • 1.0 Intro
    • Why liquidsoap?
    • What liquidsoap doesn’t do
    • Resources
    • About me
  • 2.0 Quick Start
    • Liquidsoap Installation
    • Compiling from source
    • Icecast
    • Running the sample script
    • about source clients
  • 3.0 Digging into the basic example
    • Three sources to gradually fallback
    • Static playlists
    • Live dj input
    • fallibility, preparing for failure
    • Cascading fallbacks
    • outputs
    • Saving recordings to files
  • 4.0 The liquidsoap programming language
    • types
    • about mutability, no changing variables
    • no unused variables
    • static typing
    • function notation in the API docs
    • defining functions
    • refs
    • converting types
  • 5.0 Stream metadata
    • Files/Playlists
    • Live streams
    • Is the metadata there?
    • icy_metadata=true
    • Metadata from icecast json/xml
  • 6.0 dj authentication
    • source client
    • Using input.harbor’s auth parameter
    • other methods
  • 7.0 interaction with the telnet/socket interface
    • telnet commands
    • conncecting to liquidsoap via telnet
    • Domain socket
    • Defining your own commands
    • Ruby library
    • What’s next?
  • 8.0 audio processing and effects
    • setup
  • 9.0 broadcast directly from the browser with Webcaster
    • Technologies at hand
    • Getting started
    • But wouldn’t it be nice if…
  • 10.0 troubleshooting and finding help
  • Common Issues
    • Buffer over/underruns
  • Getting more help
    • Built in documentation!
    • Seeking help elsewhere

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