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Blu4Net is a .NET library that interfaces with BluOS players

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BluMiniPlayer sample app

Blu4Net

Blu4Net is a .NET library that interfaces with BluOS players (Bluesound, NAD). It uses an event-driven (RX), non-blocking (async/await) model that makes it lightweight and efficient.

Supported Targets:

  • .NET Standard: 2.0
  • .NET Standard: 2.1

Requires C# 8.0 (due to the use of IAsyncEnumerable<T>)

Features

Discovery

Player endpoint discovery (mDNS)

Basic operations

  • Play
  • Seek (offset)
  • Pause
  • Stop
  • Skip
  • Back
  • Shuffle (on | off)
  • Repeat (off | one | all)
  • Volume (percentage)
  • Position (elapsed time + length of current track)

Media information

  • Titles
  • Image (artwork)
  • Service icon

Presets

  • Fetch presets
  • Load preset (by number)

Queue

  • Info (name + length)
  • Fetch songs (paged)
  • Clear
  • Remove (song)
  • Save (name)

Music sources (Library, TuneIn, ...)

  • Browse hierarchy (note: partially implemented)
  • Search (full-text)

Notifications (Observable - ReactiveX)

  • State changes (playing, paused, streaming, ...)
  • Mode changes (shuffle, repeat)
  • Volume changes
  • Position changes (note: not realtime)
  • Media changes
  • Preset changes
  • Queue changes

Installation

Install the NuGet package.

Install-Package Blu4Net

Getting started

using Blu4Net;
using System;
using System.Linq;
using System.Reactive.Linq;
using System.Threading.Tasks;

namespace GettingStarted
{
    class Program
    {
        static async Task Main(string[] args)
        {
            // find endpoint of player (first one)
            var endpoint = await BluEnvironment.ResolveEndpoints().FirstOrDefaultAsync();
            Console.WriteLine($"Endpoint: {endpoint}");

            // success?
            if (endpoint != null)
            {
                // yes, so create and connect the player
                var player = await BluPlayer.Connect(endpoint);
                Console.WriteLine($"Player: {player}");

                // get the state
                var state = await player.GetState();
                Console.WriteLine($"State: {state}");

                // get the volume
                var volume = await player.GetVolume();
                Console.WriteLine($"Volume: {volume}");

                // get the current playing media
                var media = await player.GetMedia();
                Console.WriteLine($"Media: {media.Titles.FirstOrDefault()}");

                // subscribe to volume changes
                using (player.VolumeChanges.Subscribe(volume => Console.WriteLine($"Volume: {volume}")))
                {
                    Console.WriteLine();
                    Console.WriteLine($"Waiting for volume changes...");
                    Console.ReadLine();
                }
            }
            else
            {
                Console.WriteLine("No endpoint found!");
                Console.ReadLine();
            }
        }
    }
}

See the BluDumper sample app for a complete example