325 lines
9.6 KiB
Python
325 lines
9.6 KiB
Python
import telnetlib
|
|
from timeout import ls_timeout
|
|
|
|
def create_liquidsoap_annotation(media):
|
|
# We need liq_start_next value in the annotate. That is the value that controls overlap duration of crossfade.
|
|
|
|
filename = media['dst']
|
|
annotation = ('annotate:media_id="%s",liq_start_next="0",liq_fade_in="%s",' + \
|
|
'liq_fade_out="%s",liq_cue_in="%s",liq_cue_out="%s",' + \
|
|
'schedule_table_id="%s",replay_gain="%s dB"') % \
|
|
(media['id'],
|
|
float(media['fade_in']) / 1000,
|
|
float(media['fade_out']) / 1000,
|
|
float(media['cue_in']),
|
|
float(media['cue_out']),
|
|
media['row_id'],
|
|
media['replay_gain'])
|
|
|
|
# Override the the artist/title that Liquidsoap extracts from a file's metadata
|
|
# with the metadata we get from Airtime. (You can modify metadata in Airtime's library,
|
|
# which doesn't get saved back to the file.)
|
|
if 'metadata' in media:
|
|
if 'artist_name' in media['metadata']:
|
|
annotation += ',artist="%s"' % (media['metadata']['artist_name'])
|
|
if 'track_title' in media['metadata']:
|
|
annotation += ',title="%s"' % (media['metadata']['track_title'])
|
|
|
|
annotation += ":" + filename
|
|
|
|
return annotation
|
|
|
|
class TelnetLiquidsoap:
|
|
|
|
def __init__(self, telnet_lock, logger, ls_host, ls_port, queues):
|
|
self.telnet_lock = telnet_lock
|
|
self.ls_host = ls_host
|
|
self.ls_port = ls_port
|
|
self.logger = logger
|
|
self.queues = queues
|
|
self.current_prebuffering_stream_id = None
|
|
|
|
def __connect(self):
|
|
return telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
|
|
def __is_empty(self, queue_id):
|
|
return True
|
|
tn = self.__connect()
|
|
msg = '%s.queue\nexit\n' % queue_id
|
|
tn.write(msg)
|
|
output = tn.read_all().splitlines()
|
|
if len(output) == 3:
|
|
return len(output[0]) == 0
|
|
else:
|
|
raise Exception("Unexpected list length returned: %s" % output)
|
|
|
|
@ls_timeout
|
|
def queue_clear_all(self):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = self.__connect()
|
|
|
|
for i in self.queues:
|
|
msg = 'queues.%s_skip\n' % i
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
tn.write("exit\n")
|
|
self.logger.debug(tn.read_all())
|
|
except Exception:
|
|
raise
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def queue_remove(self, queue_id):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = self.__connect()
|
|
|
|
msg = 'queues.%s_skip\n' % queue_id
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
tn.write("exit\n")
|
|
self.logger.debug(tn.read_all())
|
|
except Exception:
|
|
raise
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
|
|
@ls_timeout
|
|
def queue_push(self, queue_id, media_item):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
|
|
if not self.__is_empty(queue_id):
|
|
raise QueueNotEmptyException()
|
|
|
|
tn = self.__connect()
|
|
annotation = create_liquidsoap_annotation(media_item)
|
|
msg = '%s.push %s\n' % (queue_id, annotation.encode('utf-8'))
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
show_name = media_item['show_name']
|
|
msg = 'vars.show_name %s\n' % show_name.encode('utf-8')
|
|
tn.write(msg)
|
|
self.logger.debug(msg)
|
|
|
|
tn.write("exit\n")
|
|
self.logger.debug(tn.read_all())
|
|
except Exception:
|
|
raise
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
|
|
@ls_timeout
|
|
def stop_web_stream_buffer(self):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
#dynamic_source.stop http://87.230.101.24:80/top100station.mp3
|
|
|
|
msg = 'http.stop\n'
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
msg = 'dynamic_source.id -1\n'
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
tn.write("exit\n")
|
|
self.logger.debug(tn.read_all())
|
|
|
|
except Exception, e:
|
|
self.logger.error(str(e))
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def stop_web_stream_output(self):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
#dynamic_source.stop http://87.230.101.24:80/top100station.mp3
|
|
|
|
msg = 'dynamic_source.output_stop\n'
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
tn.write("exit\n")
|
|
self.logger.debug(tn.read_all())
|
|
|
|
except Exception, e:
|
|
self.logger.error(str(e))
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def start_web_stream(self, media_item):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
|
|
#TODO: DO we need this?
|
|
msg = 'streams.scheduled_play_start\n'
|
|
tn.write(msg)
|
|
|
|
msg = 'dynamic_source.output_start\n'
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
tn.write("exit\n")
|
|
self.logger.debug(tn.read_all())
|
|
|
|
self.current_prebuffering_stream_id = None
|
|
except Exception, e:
|
|
self.logger.error(str(e))
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def start_web_stream_buffer(self, media_item):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
|
|
msg = 'dynamic_source.id %s\n' % media_item['row_id']
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
msg = 'http.restart %s\n' % media_item['uri'].encode('latin-1')
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
tn.write("exit\n")
|
|
self.logger.debug(tn.read_all())
|
|
|
|
self.current_prebuffering_stream_id = media_item['row_id']
|
|
except Exception, e:
|
|
self.logger.error(str(e))
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def get_current_stream_id(self):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
|
|
msg = 'dynamic_source.get_id\n'
|
|
self.logger.debug(msg)
|
|
tn.write(msg)
|
|
|
|
tn.write("exit\n")
|
|
stream_id = tn.read_all().splitlines()[0]
|
|
self.logger.debug("stream_id: %s" % stream_id)
|
|
|
|
return stream_id
|
|
except Exception, e:
|
|
self.logger.error(str(e))
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def disconnect_source(self, sourcename):
|
|
self.logger.debug('Disconnecting source: %s', sourcename)
|
|
command = ""
|
|
if(sourcename == "master_dj"):
|
|
command += "master_harbor.kick\n"
|
|
elif(sourcename == "live_dj"):
|
|
command += "live_dj_harbor.kick\n"
|
|
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
tn = telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
self.logger.info(command)
|
|
tn.write(command)
|
|
tn.write('exit\n')
|
|
tn.read_all()
|
|
except Exception, e:
|
|
self.logger.error(traceback.format_exc())
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def telnet_send(self, commands):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
|
|
tn = telnetlib.Telnet(self.ls_host, self.ls_port)
|
|
for i in commands:
|
|
self.logger.info(i)
|
|
tn.write(i)
|
|
|
|
tn.write('exit\n')
|
|
tn.read_all()
|
|
except Exception, e:
|
|
self.logger.error(str(e))
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
|
|
def switch_source(self, sourcename, status):
|
|
self.logger.debug('Switching source: %s to "%s" status', sourcename, status)
|
|
command = "streams."
|
|
if sourcename == "master_dj":
|
|
command += "master_dj_"
|
|
elif sourcename == "live_dj":
|
|
command += "live_dj_"
|
|
elif sourcename == "scheduled_play":
|
|
command += "scheduled_play_"
|
|
|
|
if status == "on":
|
|
command += "start\n"
|
|
else:
|
|
command += "stop\n"
|
|
|
|
self.telnet_send([command])
|
|
|
|
class DummyTelnetLiquidsoap:
|
|
|
|
def __init__(self, telnet_lock, logger):
|
|
self.telnet_lock = telnet_lock
|
|
self.liquidsoap_mock_queues = {}
|
|
self.logger = logger
|
|
|
|
for i in range(4):
|
|
self.liquidsoap_mock_queues["s"+str(i)] = []
|
|
|
|
@ls_timeout
|
|
def queue_push(self, queue_id, media_item):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
|
|
self.logger.info("Pushing %s to queue %s" % (media_item, queue_id))
|
|
from datetime import datetime
|
|
print "Time now: %s" % datetime.utcnow()
|
|
|
|
annotation = create_liquidsoap_annotation(media_item)
|
|
self.liquidsoap_mock_queues[queue_id].append(annotation)
|
|
except Exception:
|
|
raise
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
@ls_timeout
|
|
def queue_remove(self, queue_id):
|
|
try:
|
|
self.telnet_lock.acquire()
|
|
|
|
self.logger.info("Purging queue %s" % queue_id)
|
|
from datetime import datetime
|
|
print "Time now: %s" % datetime.utcnow()
|
|
|
|
except Exception:
|
|
raise
|
|
finally:
|
|
self.telnet_lock.release()
|
|
|
|
class QueueNotEmptyException(Exception):
|
|
pass
|