def __init__(self):
self._cut_cmd = string.Template("")
self.info = MInfo()
self._supported_ops = ['sub','wmv2avi','avixvid']
class MEGenerator():
"""Classe que gera linhas de comando para o MEncoder."""
def __init__(self):
self._cut_cmd = string.Template("")
self.info = MInfo()
self._supported_ops = ['sub','wmv2avi','avixvid']
def gen_convert_line(self, media_file, operation):
#TODO: Escrever DocString
if operation == 'sub':
resp = self._subtitle(media_file)
elif operation == 'wmv2avi':
resp = self._wmv2avi(media_file)
elif operation == 'avixvid':
resp = self._avixvid(media_file)
else:
resp = None
return resp
def gen_cut_line(self, media_file, cut_point=None):
"""Gera uma lista com as linhas de comando para cortar um video
atraves do MEncoder. Se os dois argumentos forem None, os video e
dividido em dois."""
pass
def _subtitle(self, media_file):
cmd = string.Template("""mencoder -oac $audio_opts -ovc xvid -xvidencopts
bitrate=$br -sub $srt_file -subpos 90 -subfont-text-scale 3
-subfont-outline 2 -subcp ISO-8859-1 -sub-bg-alpha 200 -o $conv_file $orig_file""")
base_name=media_file[:-4]
self.info.parse_data(base_name+'.avi')
kbps = int(self.info.get_vdata('Bit rate').split()[0])
if kbps % 50 != 0:
br = str(kbps + (50 - kbps % 50))
else:
br = str(kbps)
audio_opts=''
if self.info.get_adata('Codec ID/Hint')=='MP3':
audio_opts = 'copy'
else:
audio_opts = 'mp3lame -lameopts cbr:mode=2:br=192'
return ' '.join(cmd.substitute({'audio_opts':audio_opts, 'br':br,
'srt_file': base_name+'.srt', 'conv_file':base_name+'_sub.avi',
'orig_file':base_name+'.avi'}).split())
def _wmv2avi(self, media_file):
cmd = string.Template("""mencoder -oac mp3lame -lameopts cbr:mode=2:br=64
-ovc lavc -ofps 23.976 -o $conv_file $orig_file""")
base_name=media_file[:-4]
return ' '.join(cmd.substitute({'conv_file':base_name+'_conv.avi', 'orig_file':base_name+'.wmv'}).split())
def _avixvid(self, media_file):
cmd = string.Template("""mencoder -oac $audio_opts -ovc xvid -xvidencopts
bitrate=850 -o $conv_file $orig_file""")
base_name=media_file[:-4]
self.info.parse_data(base_name+'.avi')
audio_opts=''
if self.info.get_adata('Codec ID/Hint')=='MP3':
audio_opts = 'copy'
else:
audio_opts = 'mp3lame -lameopts cbr:mode=2:br=192'
return ' '.join(cmd.substitute({'audio_opts':audio_opts,
'conv_file':base_name+'_conv.avi', 'orig_file':base_name+'.avi'}).split())
def get_supported_operations(self):
return self._supported_ops
#TODO: Implementar gen_cut_line!!!!
#mencoder infile.wmv -ofps 23.976 -ovc lavc -oac copy -o outfile.avi