def __init__(self):
self._gen = MEGenerator()
self._cur_video = ""
self._rem_video = 0
self._videos = None
self._fila = Queue()
self._observers = []
self._gen_percent = Follower()
self._percent = 0
class EZNCoder(object):
"""Classe que simplifica diversas tarefas, relacionadas ao MEncoder, tais
como adicao de legendas, corte de vídeos."""
def __init__(self):
self._gen = MEGenerator()
self._cur_video = ""
self._rem_video = 0
self._videos = None
self._fila = Queue()
self._observers = []
self._gen_percent = Follower()
self._percent = 0
def open_message(self):
pass
def end_message(self):
pass
def st_encoding(self, file):
Notifier.notify("Starting %s conversion" % file)
def end_encoding(self, file, signal):
Notifier.notify("%s conversion finished" % file)
def include_observer(self, observer):
self._observers.append(observer)
def remove_observer(self, observer):
self._observers.remove(observer)
def _eval_percent(self):
input = open('output','r')
def work():
values = self._gen_percent.follow(input)
for value in values:
self._percent = int(value)
for i in self._observers:
i.update_percent()
t = Thread(target=work)
t.setDaemon(True)
t.start()
def get_percent(self):
return self._percent
def get_cur_conv(self):
return self._cur_video
def get_rem_count(self):
return self._fila.qsize()
def subtitle_all(self, verbose=False):
self._convert('sub', 'avi', verbose)
def wmv2avi(self, verbose=False):
self._convert('wmv2avi', 'wmv', verbose)
def avixvid(self, verbose=False):
self._convert('avixvid', 'avi',verbose)
def _convert(self, operation, target, verbose=False):
def work():
if verbose:
f = sys.stdout
g = sys.stderr
else:
f = open('output','w')
g = open('errors','w')
for avi in sorted(glob.glob('*.'+target)):
self._fila.put(avi)
while True:
if self._fila.empty():
break
self._cur_video = self._fila.get()
for obs in self._observers:
obs.update()
time.sleep(0.5)
self.st_encoding(self._cur_video)
cmd_line = self._gen.gen_convert_line(self._cur_video, operation)
encoder = subprocess.Popen(cmd_line, shell=True, stdout=f, stderr=g)
if not verbose:
self._eval_percent()
ret = encoder.wait()
self._fila.task_done()
self.end_encoding(self._cur_video, ret)
self._gen_percent.unfollow()
p = Thread(target=work)
p.start()
def print_usage(self):
print 'Rode o script com um dos argumentos:'
print 'sub - incorpora legendas.'
print 'wmv2avi - converte wmv para avi.'
print 'avixvid - converte para XVid 4.'
