-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathcoders.py
More file actions
349 lines (340 loc) · 9.77 KB
/
coders.py
File metadata and controls
349 lines (340 loc) · 9.77 KB
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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
import itertools
import os
import shutil
import subprocess
import tempfile
import beauty.videos as videos
from . import args
from .effects import visual_effects
from .videos import read_video
def mappings_complete(mappings):
return all(
mapping.source is not None and
mapping.source.url is not None and
mapping.source.start != -1 and
mapping.source.final != -1
for mapping in mappings
)
def write_video(mappings, _mappings=[]):
if not mappings_complete(mappings):
return
if args.reencode and args.increment:
write_video_mixed(mappings, _mappings)
elif args.reencode:
write_video_reencode(mappings)
elif args.increment:
write_video_increment(mappings)
if args.increment:
if args.audios:
write_video_with_audio(mappings)
if os.path.isfile(args.audio_output):
os.remove(args.audio_output)
os.remove(args.video_output)
else:
shutil.move(
args.video_output,
args.media_output
)
def write_video_reencode(mappings):
for mapping in mappings:
if mapping.source.url \
not in videos.videos:
read_video(mapping.source.url)
def apply(functions, x):
y = x
for f in functions:
y = f(y)
return y
if args.output_width and args.output_height:
padout_filter = ';'.join([
f'[{index}:v]'
f'pad={args.output_width}:'
f'{args.output_height}:'
'(ow-iw)/2:(oh-ih)/2'
f'[v{index}]'
for index in range(len(mappings))
] + [
''.join(
f'[v{index}]' for index in
range(len(mappings))
)
]
)
else:
padout_filter = ''
concat_filter = [
'concat=n={}:v=1:a=0'
.format(len(mappings))
]
effect_filter, effect_mapper = \
visual_effects()
rotate_filter = \
['transpose=2'] \
if args.output_rotate else []
filters = padout_filter + \
','.join([
*concat_filter,
*effect_filter,
*rotate_filter
])
subprocess.run([
*args.ffmpeg,
'-threads', str(args.threads),
'-loglevel', args.loglevel,
'-reconnect', '1',
'-reconnect_at_eof', '1',
'-reconnect_max_retries', '3',
'-reconnect_delay_max', '5',
*(['-allowed_extensions', 'ALL']
if args.hls else []),
*(['-re'] if args.stream else []),
*list(
itertools.chain.from_iterable([
'-ss',
'{:.3f}'.format(
mapping.source.start
),
'-t',
'{:.3f}'.format(
max(
0,
apply(
effect_mapper,
mapping.target.final
) - apply(
effect_mapper,
mapping.target.start
) + args.reencode_offset
)
),
'-i', videos.videos[
mapping.source.url
].url
] for mapping in mappings
)
),
'-t',
'{:.3f}'.format(
args.output_length or
mappings[-1].target.final
),
*(['-i', args.audio_output]
if args.audio_output else []),
'-filter_threads',
str(
args.visual_filter_threads
or args.threads
),
'-filter_complex_threads',
str(
args.visual_filter_threads
or args.threads
),
'-filter_complex', filters + '[v]',
'-map', '[v]',
*(['-map', '{}:a'
.format(len(mappings))
] if args.audio_output else []),
'-shortest',
'-fps_mode', 'vfr',
'-flags', '+global_header',
'-codec:v', 'libx264',
*(['-crf', '17']
if args.output_quality == 'high'
else ['-crf', '33']
if args.output_quality == 'low'
else []),
*(['-preset', 'slow']
if args.output_quality == 'high'
else ['-preset', 'veryfast']
if args.output_quality == 'low'
else []),
'-codec:a', 'copy'
if args.output_format != 'flv'
else 'aac',
'-threads', str(args.threads),
'-f', 'tee',
'-use_fifo', '1',
'|'.join(
('[f={}{}]'.format(
args.output_format,
':flvflags=no_duration_filesize'
if args.output_format == 'flv'
else ''
) if args.output_format else ''
) + (target
if target != '-' else
'pipe:1'
) for target in (args.output
if args.output else
[args.media_output]
)
),
'-y'
],
check=True
)
def write_video_increment(mappings):
with tempfile.NamedTemporaryFile(
delete=False
) as file:
file.writelines(
"file '{}'\n".format(
os.path.join(
os.getcwd(),
args.video_cache
.format(index + 1)
)
).encode()
for index in range(
len(mappings)
)
)
subprocess.run([
*args.ffmpeg,
'-loglevel',
args.loglevel,
'-protocol_whitelist',
'file',
'-f', 'concat',
'-safe', '0',
'-i', file.name,
'-codec:v', 'copy',
'-an',
'-y',
args.video_output
],
check=True,
stderr=subprocess.PIPE
)
def write_video_mixed(mappings, _mappings):
if not os.path.isfile(args.media_output):
write_video_mixed_reencode(mappings)
else:
write_video_mixed_increment(
mappings, _mappings
)
def write_video_mixed_reencode(mappings):
subprocess.run([
*args.ffmpeg,
'-loglevel', args.loglevel
] + list(
itertools.chain.from_iterable((
'-i', args.video_cache
.format(index + 1)
) for index in range(
len(mappings)
)
)
) + [
'-filter_complex',
'concat=n={}:v=1:a=0:unsafe=1'
.format(len(mappings)),
'-y',
args.video_output
],
check=True
)
def write_video_mixed_increment(
mappings, _mappings
):
mappings_delta = \
sorted(
set(mappings) -
set(_mappings),
key=lambda mapping:
mapping.target.start
)
if not mappings_delta:
return
proc = subprocess.Popen([
*args.ffmpeg,
'-loglevel', args.loglevel,
'-protocol_whitelist',
'file,pipe',
'-f', 'concat',
'-safe', '0',
'-i', 'pipe:',
'-codec:v', 'copy',
'-an',
'-y',
args.video_output
],
stdin=subprocess.PIPE,
stderr=subprocess.PIPE
)
_index = -1
for index in range(len(mappings) + 1):
if index == len(mappings) \
or mappings[index] \
in mappings_delta:
if _index != -1:
proc.stdin.write(
"file '{}'\n"
'inpoint {}\n'
'outpoint {}\n'.format(
args.media_output,
mappings[_index]
.target.start,
mappings[index-1]
.target.final +
args.mixed_offset /
len(mappings)
).encode()
)
_index = -1
if index < len(mappings):
proc.stdin.write(
"file '{}'\n".format(
args.video_cache
.format(index + 1)
).encode()
)
else:
if _index == -1:
_index = index
_, errors = proc.communicate()
if proc.returncode != 0:
raise Exception(errors)
def write_video_with_audio(mappings):
subprocess.run([
*args.ffmpeg,
'-loglevel', args.loglevel,
*(['-re'] if args.stream else []),
'-t', '{:.3f}'.format(
args.output_length or
mappings[-1].target.final
),
'-i', args.video_output,
'-t', '{:.3f}'.format(
args.output_length or
mappings[-1].target.final
),
'-i', args.audio_output,
'-map', '0:v',
'-map', '1:a',
'-codec:v', 'copy',
'-codec:a', 'copy'
if args.output_format != 'flv'
else 'aac',
'-f', 'tee',
'-use_fifo', '1',
'|'.join(
('[f={}{}]'.format(
args.output_format,
':flvflags=no_duration_filesize'
if args.output_format == 'flv'
else ''
) if args.output_format else ''
) + (target
if target != '-' else
'pipe:1'
) for target in (args.output
if args.output else
[args.media_output]
)
),
'-y'
],
check=True
)