def add_music_source(self):
speakers = db.get_speakers(self.request["categoryid"])
# FIXME: We might need to unconditionally add blankaudio.
# what happens if the only speaker is out of range? I think
# it'll be fine but test this.
if len(speakers) > 0:
self.gps_mixer = gpsmixer.GPSMixer(
{"latitude": self.request["latitude"], "longitude": self.request["longitude"]}, speakers
)
self.add_source_to_adder(self.gps_mixer)
else:
self.add_source_to_adder(BlankAudioSrc())
def is_listener_in_range_of_stream (form):
if not form.get('latitude') or not form.get('latitude'):
return True
speakers = db.get_speakers(form['categoryid'])
for speaker in speakers:
distance = gpsmixer.distance_in_meters(
float(form['latitude']),
float(form['longitude']),
speaker['latitude'],
speaker['longitude'])
if not distance > 3 * speaker['maxdistance']:
return True
return False
