Class: Muzak::Player::MPV

Inherits:
StubPlayer show all
Defined in:
lib/muzak/player/mpv.rb

Instance Attribute Summary

Attributes inherited from StubPlayer

#instance

Instance Method Summary collapse

Methods inherited from StubPlayer

#initialize

Methods included from Utils

#album_art?, #debug, #debug?, #error, #fail_arity, #info, #music?, #output, #pretty, resolve_command, resolve_method, #verbose, #verbose?, #warn, #warn_arity

Constructor Details

This class inherits a constructor from Muzak::Player::StubPlayer

Instance Method Details

#activate! ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 17

def activate!
  return if running?

  debug "activating #{self.class}"

  @sock_path = Dir::Tmpname.make_tmpname("/tmp/mpv", ".sock")
  mpv_args = [
    "--idle",
    # if i get around to separating album art from playback,
    # these two flags disable mpv's video output entirely
    # "--no-force-window",
    # "--no-video",
    "--no-osc",
    "--no-osd-bar",
    "--no-input-default-bindings",
    "--no-input-cursor",
    "--no-terminal",
    "--load-scripts=no", # autoload and other scripts with clobber our mpv management
    "--input-ipc-server=%{socket}" % { socket: @sock_path }
  ]

  mpv_args << "--geometry=#{Config.art_geometry}" if Config.art_geometry

  @pid = Process.spawn("mpv", *mpv_args)

  until File.exists?(@sock_path)
    sleep 0.1
  end

  @socket = UNIXSocket.new(@sock_path)

  @command_queue = Queue.new
  @result_queue = Queue.new
  @event_queue = Queue.new

  @command_thread = Thread.new { pump_commands! }
  @results_thread = Thread.new { pump_results! }
  @events_thread = Thread.new { dispatch_events! }

  instance.event :player_activated
end

#clear_queue ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 142

def clear_queue
  return unless running?

  command "playlist-clear"
end

#deactivate! ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 59

def deactivate!
  return unless running?

  debug "deactivating #{self.class}"

  command "quit"

  Process.kill :TERM, @pid
  Process.wait @pid
  @pid = nil

  @socket.close
ensure
  instance.event :player_deactivated
  File.delete(@sock_path) if @sock_path && File.exists?(@sock_path)
end

#enqueue_album(album) ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 108

def enqueue_album(album)
  activate! unless running?

  album.songs.each do |song|
    load_song song, album.cover_art
  end
end

#enqueue_playlist(playlist) ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 116

def enqueue_playlist(playlist)
  activate! unless running?

  playlist.songs.each do |song|
    load_song song, song.best_guess_album_art
  end
end

#enqueue_song(song) ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 102

def enqueue_song(song)
  activate! unless running?

  load_song song, song.best_guess_album_art
end

#list_queue ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 124

def list_queue
  entries = get_property "playlist/count"

  playlist = []

  entries.times do |i|
    playlist << Song.new(get_property("playlist/#{i}/filename"))
  end

  playlist
end

#next_song ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 94

def next_song
  command "playlist-next"
end

#now_playing ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 148

def now_playing
  return unless running? && playing?

  Song.new(get_property "path")
end

#pause ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 82

def pause
  return unless running?

  set_property "pause", true
end

#play ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 76

def play
  return unless running?

  set_property "pause", false
end

#playing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/muzak/player/mpv.rb', line 88

def playing?
  return false unless running?

  !get_property "pause"
end

#previous_song ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 98

def previous_song
  command "playlist-prev"
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/muzak/player/mpv.rb', line 9

def running?
  begin
    !!@pid && Process.waitpid(@pid, Process::WNOHANG).nil?
  rescue Errno::ECHILD
    false
  end
end

#shuffle_queue ⇒ Object 



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# File 'lib/muzak/player/mpv.rb', line 136

def shuffle_queue
  return unless running?

  command "playlist-shuffle"
end