1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
import os
import subprocess
import shlex
import shutil
import player
class Film:
def __init__(self, data = None):
# File or directory containing content
self.content = None
# True if content is in DVD format
self.dvd = False
# DVD title number
self.dvd_title = 1
# Directory containing metadata
self.data = None
# Film name
self.name = None
# Number of pixels by which to crop the content from each edge
self.left_crop = 0
self.top_crop = 0
self.right_crop = 0
self.bottom_crop = 0
# Use deinterlacing filter
self.deinterlace = False
# Target ratio
self.ratio = 1.85
# Audio stream ID to play
self.aid = None
self.width = None
self.height = None
self.fps = None
self.length = None
if data is not None:
self.data = data
f = open(os.path.join(self.data, 'info'), 'r')
while 1:
l = f.readline()
if l == '':
break
d = l.strip()
s = d.find(' ')
if s != -1:
key = d[:s]
value = d[s+1:]
if key == 'name':
self.name = value
elif key == 'content':
self.content = value
elif key == 'dvd':
self.dvd = int(value) == 1
elif key == 'dvd_title':
self.dvd_title = int(value)
elif key == 'left_crop':
self.left_crop = int(value)
elif key == 'top_crop':
self.top_crop = int(value)
elif key == 'right_crop':
self.right_crop = int(value)
elif key == 'bottom_crop':
self.bottom_crop = int(value)
elif key == 'deinterlace':
self.deinterlace = int(value) == 1
elif key == 'ratio':
self.ratio = float(value)
elif key == 'aid':
self.aid = int(value)
elif key == 'width':
self.width = int(value)
elif key == 'height':
self.height = int(value)
elif key == 'fps':
self.fps = float(value)
elif key == 'length':
self.length = float(value)
if self.width is None or self.height is None or self.fps is None or self.length is None:
self.update_content_metadata()
def write(self):
try:
os.mkdir(self.data)
except OSError:
pass
f = open(os.path.join(self.data, 'info'), 'w')
self.write_datum(f, 'name', self.name)
self.write_datum(f, 'content', self.content)
self.write_datum(f, 'dvd', int(self.dvd))
self.write_datum(f, 'dvd_title', self.dvd_title)
self.write_datum(f, 'left_crop', self.left_crop)
self.write_datum(f, 'top_crop', self.top_crop)
self.write_datum(f, 'right_crop', self.right_crop)
self.write_datum(f, 'bottom_crop', self.bottom_crop)
self.write_datum(f, 'deinterlace', int(self.deinterlace))
self.write_datum(f, 'ratio', self.ratio)
self.write_datum(f, 'aid', self.aid)
self.write_datum(f, 'width', self.width)
self.write_datum(f, 'height', self.height)
self.write_datum(f, 'fps', self.fps)
self.write_datum(f, 'length', self.length)
def write_datum(self, f, key, value):
if value is not None:
print >>f,'%s %s' % (key, str(value))
def thumbs_dir(self):
t = os.path.join(self.data, 'thumbs')
try:
os.mkdir(t)
except OSError:
pass
return t
def thumb(self, n):
return os.path.join(self.thumbs_dir(), str('%08d.png' % (n + 1)))
def thumbs(self):
return len(os.listdir(self.thumbs_dir()))
def remove_thumbs(self):
shutil.rmtree(self.thumbs_dir())
def make_thumbs(self):
num_thumbs = 128
cl = self.player_command_line()
if self.length is not None:
sstep = self.length / num_thumbs
else:
sstep = 100
cl.extra = '-vo png -frames %d -sstep %d -nosound' % (num_thumbs, sstep)
os.chdir(self.thumbs_dir())
os.system(cl.get(True))
def set_dvd(self, d):
self.dvd = d
self.remove_thumbs()
def set_dvd_title(self, t):
self.dvd_title = t
self.remove_thumbs()
def set_content(self, c):
if c == self.content:
return
self.content = c
self.update_content_metadata()
def player_command_line(self):
cl = player.CommandLine()
cl.dvd = self.dvd
cl.dvd_title = self.dvd_title
cl.content = self.content
return cl
def update_content_metadata(self):
if self.content is None:
return
self.width = None
self.height = None
self.fps = None
self.length = None
cl = self.player_command_line()
cl.extra = '-identify -vo null -ao null -frames 0'
text = subprocess.check_output(shlex.split(cl.get(True))).decode('utf-8')
lines = text.split('\n')
for l in lines:
s = l.strip()
b = s.split('=')
if len(b) == 2:
if b[0] == 'ID_VIDEO_WIDTH':
self.width = int(b[1])
elif b[0] == 'ID_VIDEO_HEIGHT':
self.height = int(b[1])
elif b[0] == 'ID_VIDEO_FPS':
self.fps = float(b[1])
elif b[0] == 'ID_LENGTH':
self.length = float(b[1])
|
