def queue(position):
"""Add item at position in collection to playlist"""
global _playlist
collection = get_collection()
_playlist.append(collection[position])
log.info("Adding : %s" % collection[position])
start_player()
def micro_server(server_address, handle_request):
address_family = socket.AF_INET
socket_type = socket.SOCK_STREAM
request_queue_size = REQUEST_QUEUE_SIZE
# Create a new socket
listen_socket = socket.socket(address_family, socket_type)
# Allow to reuse the same address
listen_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# Bind
listen_socket.bind(server_address)
# Activate
listen_socket.listen(request_queue_size)
log.debug("Parent PID (PPID): {pid}\n".format(pid=os.getpid()))
signal.signal(signal.SIGCHLD, handle_signal)
while True:
# New client connection
client_connection, client_address = listen_socket.accept()
# Handle request
log.info("Start connected %s" % client_address[0])
pid = os.fork()
if pid == 0:
listen_socket.close() # close child copy
handle_request(client_connection)
client_connection.close()
os._exit(0)
else:
client_connection.close()
def _start_player():
"""Play all items found on Playlist sequentially on Radio.
Starts player and radio process. Waits for the processes to end.
Returns if _stop_requested or playlist is empty
"""
global source, player, _stop_requested
_player_lock.acquire()
while _playlist:
try:
log.info("Playing : %s" % _playlist[0])
# avconv -i "$File" -f s16le -ar 44100 -ac 2 -loglevel panic -
source = subprocess.Popen(
["avconv", "-i", "Music/%s" % _playlist[0], "-f", "s16le", "-ar", "44100", "-ac", "2", "-loglevel",
"panic", "-"],
stdout=subprocess.PIPE)
if _radio_out:
# ./pifm - "$2" 44100 stereo "$Volume"
player = subprocess.Popen(["./pifm", "-", "%.1f" % _freq, "44100", "stereo", str(_volume)],
stdin=source.stdout)
else:
# aplay -c 2 -f cd -q
player = subprocess.Popen(["aplay", "-c", "2", "-f", "cd", "-q"],
stdin=source.stdout)
source.stdout.close()
except Exception as error:
log.error("Error: %s" % error.message)
api.inform_subscribers()
ws.inform_subscribers()
if player:
log.debug("player.wait() :)")
player.wait()
log.debug("Player terminated :)")
if source:
log.debug("source.wait() :)")
source.wait()
log.debug("Source terminated :)")
if _stop_requested:
_stop_requested = False
break
_playlist.pop(0)
source = None
player = None
api.inform_subscribers()
ws.inform_subscribers()
_player_lock.release()
log.info("Thread terminated :)")
def can_close(self):
log.info("Activity requested to stop...")
self.chess.stop()
return True
def start_cb(self, param):
log.info("Starting pygame widget...")
self.canvas.run_pygame(self.chess.start)
def can_close(self):
log.info("Activity requested to stop...")
self.chess.stop()
return True
def start_cb(self, param):
log.info("Starting pygame widget...")
self.canvas.run_pygame(self.chess.start)