require 'gst'

$files = Dir['/home/leon/Workspaces/rmpd/test/samples/gapless/*.wav'].sort

def play_next_track
  file = "file://#{$files.shift}"
  playbin = Gst::ElementFactory.make('playbin2')
  playbin.uri = file

  p "playing #{file}"

  playbin.bus.add_watch do |bus, message|
    case message.type
    when Gst::Message::EOS
      p "EOS received"
      playbin.set_state(Gst::State::NULL)
      $loop.quit
      play_next_track
    else
      p message
    end
    true
  end

  #$loop = GLib::MainLoop.new(nil, true)
  $loop = GLib::MainLoop.new(GLib::MainContext.default, true)
  begin
    playbin.play
    $loop.run
  ensure
    $loop.quit
  end
end

play_next_track