1 import ConfigParser
, os
3 from ConfigParser
import NoOptionError
5 BLACKLIST_169
= ('540', '649')
7 config
= ConfigParser
.ConfigParser()
8 p
= os
.path
.dirname(__file__
)
9 config
.read(os
.path
.join(p
, 'pyTivo.conf'))
12 if config
.has_option('Server', 'GUID'):
13 guid
= config
.get('Server', 'GUID')
18 def getBeaconAddresses():
19 if config
.has_option('Server', 'beacon'):
20 beacon_ips
= config
.get('Server', 'beacon')
22 beacon_ips
= '255.255.255.255'
26 return config
.get('Server', 'Port')
28 def get169Setting(tsn
):
32 if config
.has_section('_tivo_' + tsn
):
33 if config
.has_option('_tivo_' + tsn
, 'aspect169'):
35 return config
.getboolean('_tivo_' + tsn
, 'aspect169')
39 if tsn
[:3] in BLACKLIST_169
:
45 shares
= [(section
, dict(config
.items(section
)))
46 for section
in config
.sections()
47 if not(section
.startswith('_tivo_') or section
== 'Server')]
49 for name
, data
in shares
:
50 if not data
.get('auto_subshares', 'False').lower() == 'true':
53 base_path
= data
['path']
54 for item
in os
.listdir(base_path
):
55 item_path
= os
.path
.join(base_path
, item
)
56 if not os
.path
.isdir(item_path
):
59 new_name
= name
+ '/' + item
61 new_data
['path'] = item_path
63 shares
.append((new_name
, new_data
))
69 return config
.getboolean('Server', 'debug')
70 except NoOptionError
, ValueError:
75 return config
.getboolean('Server', 'optres')
76 except NoOptionError
, ValueError:
79 def get(section
, key
):
80 return config
.get(section
, key
)
82 def getFFMPEGTemplate(tsn
):
83 if tsn
and config
.has_section('_tivo_' + tsn
):
85 return config
.get('_tivo_' + tsn
, 'ffmpeg_prams', raw
=True)
89 return config
.get('Server', 'ffmpeg_prams', raw
=True)
90 except NoOptionError
: #default
91 return '-vcodec mpeg2video -r 29.97 -b %(video_br)s -maxrate %(max_video_br)s -bufsize %(buff_size)s %(aspect_ratio)s -comment pyTivo.py %(audio_codec)s -ab %(audio_br)s -f vob -'
93 def getHDtivos(): # tsn's of High Definition Tivo's
97 return [1920, 1440, 1280, 720, 704, 544, 480, 352]
99 def getValidHeights():
100 return [1080, 720, 480] # Technically 240 is also supported
102 # Return the number in list that is nearest to x
103 # if two values are equidistant, return the larger
104 def nearest(x
, list):
105 return reduce(lambda a
, b
: closest(x
, a
, b
), list)
107 def closest(x
, a
, b
):
108 if abs(x
- a
) < abs(x
- b
) or (abs(x
- a
) == abs(x
- b
) and a
> b
):
113 def nearestTivoHeight(height
):
114 return nearest(height
, getValidHeights())
116 def nearestTivoWidth(width
):
117 return nearest(width
, getValidWidths())
119 def getTivoHeight(tsn
):
120 if tsn
and config
.has_section('_tivo_' + tsn
):
122 height
= config
.getint('_tivo_' + tsn
, 'height')
123 return nearestTivoHeight(height
)
124 except NoOptionError
:
127 height
= config
.getint('Server', 'height')
128 return nearestTivoHeight(height
)
129 except NoOptionError
: #default
132 def getTivoWidth(tsn
):
133 if tsn
and config
.has_section('_tivo_' + tsn
):
135 width
= config
.getint('_tivo_' + tsn
, 'width')
136 return nearestTivoWidth(width
)
137 except NoOptionError
:
140 width
= config
.getint('Server', 'width')
141 return nearestTivoWidth(width
)
142 except NoOptionError
: #default
145 def getAudioBR(tsn
= None):
146 #convert to non-zero multiple of 64 to ensure ffmpeg compatibility
147 #compare audio_br to max_audio_br and return lowest
148 if tsn
and config
.has_section('_tivo_' + tsn
):
150 audiobr
= int(max(int(strtod(config
.get('_tivo_' + tsn
, 'audio_br'))/1000), 64)/64)*64
151 return str(min(audiobr
, getMaxAudioBR(tsn
))) + 'k'
152 except NoOptionError
:
155 audiobr
= int(max(int(strtod(config
.get('Server', 'audio_br'))/1000), 64)/64)*64
156 return str(min(audiobr
, getMaxAudioBR(tsn
))) + 'k'
157 except NoOptionError
: #default to 192
160 def getAudioCodec(tsn
= None):
161 #check for HD tivo and return compatible audio parameters
162 if tsn
and tsn
[:3] in getHDtivos():
163 return '-acodec ac3 -ar 48000'
165 return '-acodec mp2 -ac 2 -ar 44100'
167 def getVideoBR(tsn
= None):
168 if tsn
and config
.has_section('_tivo_' + tsn
):
170 return config
.get('_tivo_' + tsn
, 'video_br')
171 except NoOptionError
:
174 return config
.get('Server', 'video_br')
175 except NoOptionError
: #default to 4096K
180 return str(int(strtod(config
.get('Server', 'max_video_br'))/1000)) + 'k'
181 except NoOptionError
: #default to 17Mi
186 return config
.get('Server', 'bufsize')
187 except NoOptionError
: #default 1024k
190 def getMaxAudioBR(tsn
= None):
191 #convert to non-zero multiple of 64 for ffmpeg compatibility
192 if tsn
and config
.has_section('_tivo_' + tsn
):
194 return int(int(strtod(config
.get('_tivo_' + tsn
, 'max_audio_br'))/1000)/64)*64
195 except NoOptionError
:
198 return int(int(strtod(config
.get('Server', 'max_audio_br'))/1000)/64)*64
199 except NoOptionError
:
200 if tsn
and tsn
[:3] in getHDtivos():
201 return int(448) #default to 448, max supported by HD TiVo's
203 return int(384) #default to 384, max supported by mp2 audio (S2 TiVo)
205 # Parse a bitrate using the SI/IEEE suffix values as if by ffmpeg
206 # For example, 2K==2000, 2Ki==2048, 2MB==16000000, 2MiB==16777216
207 # Algorithm: http://svn.mplayerhq.hu/ffmpeg/trunk/libavcodec/eval.c
209 prefixes
= {'y': -24, 'z': -21, 'a': -18, 'f': -15, 'p': -12,
210 'n': -9, 'u': -6, 'm': -3, 'c': -2, 'd': -1,
211 'h': 2, 'k': 3, 'K': 3, 'M': 6, 'G': 9,
212 'T': 12, 'P': 15, 'E': 18, 'Z': 21, 'Y': 24}
213 p
= re
.compile(r
'^(\d+)(?:([yzafpnumcdhkKMGTPEZY])(i)?)?([Bb])?$')
216 raise SyntaxError('Invalid bit value syntax')
217 (coef
, prefix
, power
, byte
) = m
.groups()
221 exponent
= float(prefixes
[prefix
])
224 value
= float(coef
) * pow(2.0, exponent
/ 0.3)
227 value
= float(coef
) * pow(10.0, exponent
)
228 if byte
== 'B': # B == Byte, b == bit