def test_same_song(self):
md1=Metadata("artist1","song1")
md2=Metadata("artist1","song1", albumTitle="album1")
md3=Metadata("artist1","song1", albumTitle="album2")
md4=Metadata("artist2","song1")
md5=Metadata("","song1")
self.assertTrue(md1.sameSong(md2))
self.assertTrue(md1.sameSong(md3))
self.assertTrue(md2.sameSong(md3))
self.assertFalse(md1.sameSong(md4))
self.assertFalse(md1.sameSong(md5))
def main_loop(self):
"""
Main loop:
- monitors state of all players
- pauses players if a new player starts playback
"""
finished = False
md = Metadata()
active_players = []
MAX_FAIL = 3
# Workaround for spotifyd problems
# spotify_stopped = 0
# Workaround for squeezelite mute
squeezelite_active = 0
previous_state = ""
ts = datetime.datetime.now()
while not (finished):
additional_delay = 0
new_player_started = None
metadata_notified = False
playing = False
new_song = False
state = "unknown"
last_ts = ts
ts = datetime.datetime.now()
duration = (ts - last_ts).total_seconds()
for p in self.all_players():
if self.playername(p) in self.ignore_players:
continue
if p not in self.state_table:
ps = PlayerState()
ps.supported_commands = self.get_supported_commands(p)
logging.debug("Player %s supports %s", p,
ps.supported_commands)
self.state_table[p] = ps
thisplayer_state = "unknown"
try:
thisplayer_state = self.get_player_state(p).lower()
self.state_table[p].failed = 0
except:
logging.info("Got no state from " + p)
state = "unknown"
self.state_table[p].failed = \
self.state_table[p].failed + 1
if self.state_table[p].failed >= MAX_FAIL:
playername = self.playername(p)
logging.warning("%s failed, trying to restart",
playername)
watchdog.restart_service(playername)
self.state_table[p].failed = 0
self.state_table[p].state = thisplayer_state
# Check if playback started on a player that wasn't
# playing before
if thisplayer_state == STATE_PLAYING:
playing = True
state = "playing"
# if self.playername(p) == SPOTIFY_NAME:
# spotify_stopped = 0
if self.playername(p) == LMS_NAME:
squeezelite_active = 2
report_usage(
"audiocontrol_playing_{}".format(self.playername(p)),
duration)
md = self.get_meta(p)
if (p not in active_players):
new_player_started = p
active_players.insert(0, p)
md.playerState = thisplayer_state
# MPRIS delivers only very few metadata, these will be
# enriched with external sources
if (md.sameSong(self.metadata)):
md.fill_undefined(self.metadata)
else:
new_song = True
self.state_table[p].metadata = md
if not (md.sameSong(self.metadata)):
logging.debug("updated metadata: \nold %s\nnew %s",
self.metadata, md)
# Store this as "current"
with self.metadata_lock:
self.metadata = md
self.metadata_notify(md)
logging.debug("notifications about new metadata sent")
elif state != previous_state:
logging.debug("changed state to playing")
self.metadata_notify(md)
# Some players deliver artwork after initial metadata
if md.artUrl != self.metadata.artUrl:
logging.debug("artwork changes from %s to %s",
self.metadata.artUrl, md.artUrl)
self.metadata_notify(md)
# Add metadata if this is a new song
if new_song:
enrich_metadata_bg(md, callback=self)
logging.debug("metadata updater thread started")
# Even if we din't send metadata, this is still
# flagged
metadata_notified = True
else:
# always keep one player in the active_players
# list
if len(active_players) > 1:
if p in active_players:
active_players.remove(p)
# update metadata for stopped players from time to time
i = randint(0, 600)
if (i == 0):
md = self.get_meta(p)
md.playerState = thisplayer_state
self.state_table[p].metadata = md
self.playing = playing
# Find active (or last paused) player
if len(active_players) > 0:
self.active_player = active_players[0]
else:
self.active_player = None
# # Workaround for wrong state messages by Spotify
# # Assume Spotify is still playing for 10 seconds if it's the
# # active (or last stopped) player
# if self.playername(self.active_player) == SPOTIFY_NAME:
# # Less aggressive metadata polling on Spotify as each polling will
# # result in an API request
# additional_delay = 4
# if not(playing):
# spotify_stopped += 1 + additional_delay
# if spotify_stopped < 26:
# if (spotify_stopped % 5) == 0:
# logging.debug("spotify workaround %s", spotify_stopped)
# playing = True
#
# Workaround for LMS muting the output after stopping the
# player
if self.volume_control is not None:
if self.playername(self.active_player) != LMS_NAME:
if squeezelite_active > 0:
squeezelite_active = squeezelite_active - 1
logging.debug(
"squeezelite was active before, unmuting")
self.volume_control.set_mute(False)
if not (playing) and squeezelite_active > 0:
squeezelite_active = squeezelite_active - 1
logging.debug("squeezelite was active before, unmuting")
self.volume_control.set_mute(False)
# There might be no active player, but one that is paused
# or stopped
if not (playing) and len(active_players) > 0:
p = active_players[0]
md = self.get_meta(p)
md.playerState = self.state_table[p].state
state = md.playerState
if state != previous_state:
logging.debug("state transition %s -> %s", previous_state,
state)
if not metadata_notified:
self.metadata_notify(md)
for sd in self.state_displays:
sd.update_playback_state(state)
previous_state = state
if new_player_started is not None:
if self.auto_pause:
logging.info(
"new player %s started, pausing other active players",
self.playername(active_players[0]))
self.pause_inactive(new_player_started)
else:
logging.debug("auto-pause disabled")
self.last_update = datetime.datetime.now()
time.sleep(self.loop_delay + additional_delay)
