1 import subprocess
, shutil
, os
, re
, sys
, ConfigParser
, time
, lrucache
, math
3 from debug
import debug_write
, fn_attr
5 info_cache
= lrucache
.LRUCache(1000)
6 videotest
= os
.path
.join(os
.path
.dirname(__file__
), 'videotest.mpg')
9 return config
.get('Server', 'ffmpeg')
12 # subprocess is broken for me on windows so super hack
13 def patchSubprocess():
14 o
= subprocess
.Popen
._make
_inheritable
16 def _make_inheritable(self
, handle
):
17 if not handle
: return subprocess
.GetCurrentProcess()
18 return o(self
, handle
)
20 subprocess
.Popen
._make
_inheritable
= _make_inheritable
21 mswindows
= (sys
.platform
== "win32")
25 def output_video(inFile
, outFile
, tsn
=''):
26 if tivo_compatable(inFile
, tsn
):
27 debug_write(__name__
, fn_attr(), [inFile
, ' is tivo compatible'])
28 f
= file(inFile
, 'rb')
29 shutil
.copyfileobj(f
, outFile
)
32 debug_write(__name__
, fn_attr(), [inFile
, ' is not tivo compatible'])
33 transcode(inFile
, outFile
, tsn
)
35 def transcode(inFile
, outFile
, tsn
=''):
38 settings
['video_codec'] = select_videocodec(tsn
)
39 settings
['video_br'] = select_videobr(tsn
)
40 settings
['video_fps'] = select_videofps(tsn
)
41 settings
['max_video_br'] = select_maxvideobr()
42 settings
['buff_size'] = select_buffsize()
43 settings
['aspect_ratio'] = ' '.join(select_aspect(inFile
, tsn
))
44 settings
['audio_br'] = select_audiobr(tsn
)
45 settings
['audio_fr'] = select_audiofr(inFile
, tsn
)
46 settings
['audio_ch'] = select_audioch(tsn
)
47 settings
['audio_codec'] = select_audiocodec(inFile
, tsn
)
48 settings
['ffmpeg_pram'] = select_ffmpegprams(tsn
)
49 settings
['format'] = select_format(tsn
)
51 cmd_string
= config
.getFFmpegTemplate(tsn
) % settings
53 cmd
= [ffmpeg_path(), '-i', inFile
] + cmd_string
.split()
54 print 'transcoding to tivo model '+tsn
[:3]+' using ffmpeg command:'
56 debug_write(__name__
, fn_attr(), ['ffmpeg command is ', ' '.join(cmd
)])
57 ffmpeg
= subprocess
.Popen(cmd
, stdout
=subprocess
.PIPE
)
59 shutil
.copyfileobj(ffmpeg
.stdout
, outFile
)
63 def select_audiocodec(inFile
, tsn
= ''):
64 # Default, compatible with all TiVo's
66 if config
.getAudioCodec(tsn
) == None:
67 type, width
, height
, fps
, millisecs
, kbps
, akbps
, acodec
, afreq
, vpar
= video_info(inFile
)
68 if acodec
in ('ac3', 'liba52', 'mp2'):
70 cmd_string
= '-y -vcodec mpeg2video -r 29.97 -b 1000k -acodec copy -t 00:00:01 -f vob -'
71 if video_check(inFile
, cmd_string
):
72 type, width
, height
, fps
, millisecs
, kbps
, akbps
, acodec
, afreq
, vpar
= video_info(videotest
)
73 if not akbps
== None and int(akbps
) <= config
.getMaxAudioBR(tsn
):
74 # compatible codec and bitrate, do not reencode audio
77 codec
= config
.getAudioCodec(tsn
)
78 return '-acodec '+codec
80 def select_audiofr(inFile
, tsn
):
81 freq
= '48000' #default
82 type, width
, height
, fps
, millisecs
, kbps
, akbps
, acodec
, afreq
, vpar
= video_info(inFile
)
83 if not afreq
== None and afreq
in ('44100', '48000'):
84 # compatible frequency
86 if config
.getAudioFR(tsn
) != None:
87 freq
= config
.getAudioFR(tsn
)
90 def select_audioch(tsn
):
91 if config
.getAudioCH(tsn
) != None:
92 return '-ac '+config
.getAudioCH(tsn
)
95 def select_videofps(tsn
):
96 vfps
= '-r 29.97' #default
97 if config
.isHDtivo(tsn
):
99 if config
.getVideoFPS(tsn
) != None:
100 vfps
= '-r '+config
.getVideoFPS(tsn
)
103 def select_videocodec(tsn
):
104 vcodec
= 'mpeg2video' #default
105 if config
.getVideoCodec(tsn
) != None:
106 vcodec
= config
.getVideoCodec(tsn
)
107 return '-vcodec '+vcodec
109 def select_videobr(tsn
):
110 return '-b '+config
.getVideoBR(tsn
)
112 def select_audiobr(tsn
):
113 return '-ab '+config
.getAudioBR(tsn
)
115 def select_maxvideobr():
116 return '-maxrate '+config
.getMaxVideoBR()
118 def select_buffsize():
119 return '-bufsize '+config
.getBuffSize()
121 def select_ffmpegprams(tsn
):
122 if config
.getFFmpegPrams(tsn
) != None:
123 return config
.getFFmpegPrams(tsn
)
126 def select_format(tsn
):
128 if config
.getFormat(tsn
) != None:
129 fmt
= config
.getFormat(tsn
)
130 return '-f '+fmt
+' -'
132 def select_aspect(inFile
, tsn
= ''):
133 TIVO_WIDTH
= config
.getTivoWidth(tsn
)
134 TIVO_HEIGHT
= config
.getTivoHeight(tsn
)
136 type, width
, height
, fps
, millisecs
, kbps
, akbps
, acodec
, afreq
, vpar
= video_info(inFile
)
138 debug_write(__name__
, fn_attr(), ['tsn:', tsn
])
140 aspect169
= config
.get169Setting(tsn
)
142 debug_write(__name__
, fn_attr(), ['aspect169:', aspect169
])
144 optres
= config
.getOptres(tsn
)
146 debug_write(__name__
, fn_attr(), ['optres:', optres
])
149 optHeight
= config
.nearestTivoHeight(height
)
150 optWidth
= config
.nearestTivoWidth(width
)
151 if optHeight
< TIVO_HEIGHT
:
152 TIVO_HEIGHT
= optHeight
153 if optWidth
< TIVO_WIDTH
:
154 TIVO_WIDTH
= optWidth
156 d
= gcd(height
,width
)
157 ratio
= (width
*100)/height
158 rheight
, rwidth
= height
/d
, width
/d
160 debug_write(__name__
, fn_attr(), ['File=', inFile
, ' Type=', type, ' width=', width
, ' height=', height
, ' fps=', fps
, ' millisecs=', millisecs
, ' ratio=', ratio
, ' rheight=', rheight
, ' rwidth=', rwidth
, ' TIVO_HEIGHT=', TIVO_HEIGHT
, 'TIVO_WIDTH=', TIVO_WIDTH
])
162 multiplier16by9
= (16.0 * TIVO_HEIGHT
) / (9.0 * TIVO_WIDTH
)
163 multiplier4by3
= (4.0 * TIVO_HEIGHT
) / (3.0 * TIVO_WIDTH
)
165 if config
.isHDtivo(tsn
) and not optres
:
166 if config
.getPixelAR(0):
168 npar
= config
.getPixelAR(1)
171 # adjust for pixel aspect ratio, if set, because TiVo expects square pixels
173 return ['-s', str(width
) + 'x' + str(int(math
.ceil(height
/npar
)))]
175 # FFMPEG expects width to be a multiple of two
176 return ['-s', str(int(math
.ceil(width
*npar
/2.0)*2)) + 'x' + str(height
)]
177 if height
<= TIVO_HEIGHT
:
178 # pass all resolutions to S3, except heights greater than conf height
180 # else, resize video.
181 if (rwidth
, rheight
) in [(4, 3), (10, 11), (15, 11), (59, 54), (59, 72), (59, 36), (59, 54)]:
182 debug_write(__name__
, fn_attr(), ['File is within 4:3 list.'])
183 return ['-aspect', '4:3', '-s', str(TIVO_WIDTH
) + 'x' + str(TIVO_HEIGHT
)]
184 elif ((rwidth
, rheight
) in [(16, 9), (20, 11), (40, 33), (118, 81), (59, 27)]) and aspect169
:
185 debug_write(__name__
, fn_attr(), ['File is within 16:9 list and 16:9 allowed.'])
186 return ['-aspect', '16:9', '-s', str(TIVO_WIDTH
) + 'x' + str(TIVO_HEIGHT
)]
189 #If video is wider than 4:3 add top and bottom padding
190 if (ratio
> 133): #Might be 16:9 file, or just need padding on top and bottom
191 if aspect169
and (ratio
> 135): #If file would fall in 4:3 assume it is supposed to be 4:3
192 if (ratio
> 177):#too short needs padding top and bottom
193 endHeight
= int(((TIVO_WIDTH
*height
)/width
) * multiplier16by9
)
194 settings
.append('-aspect')
195 settings
.append('16:9')
198 if endHeight
< TIVO_HEIGHT
* 0.99:
199 settings
.append('-s')
200 settings
.append(str(TIVO_WIDTH
) + 'x' + str(endHeight
))
202 topPadding
= ((TIVO_HEIGHT
- endHeight
)/2)
206 settings
.append('-padtop')
207 settings
.append(str(topPadding
))
208 bottomPadding
= (TIVO_HEIGHT
- endHeight
) - topPadding
209 settings
.append('-padbottom')
210 settings
.append(str(bottomPadding
))
211 else: #if only very small amount of padding needed, then just stretch it
212 settings
.append('-s')
213 settings
.append(str(TIVO_WIDTH
) + 'x' + str(TIVO_HEIGHT
))
214 debug_write(__name__
, fn_attr(), ['16:9 aspect allowed, file is wider than 16:9 padding top and bottom', ' '.join(settings
)])
215 else: #too skinny needs padding on left and right.
216 endWidth
= int((TIVO_HEIGHT
*width
)/(height
*multiplier16by9
))
217 settings
.append('-aspect')
218 settings
.append('16:9')
221 if endWidth
< (TIVO_WIDTH
-10):
222 settings
.append('-s')
223 settings
.append(str(endWidth
) + 'x' + str(TIVO_HEIGHT
))
225 leftPadding
= ((TIVO_WIDTH
- endWidth
)/2)
229 settings
.append('-padleft')
230 settings
.append(str(leftPadding
))
231 rightPadding
= (TIVO_WIDTH
- endWidth
) - leftPadding
232 settings
.append('-padright')
233 settings
.append(str(rightPadding
))
234 else: #if only very small amount of padding needed, then just stretch it
235 settings
.append('-s')
236 settings
.append(str(TIVO_WIDTH
) + 'x' + str(TIVO_HEIGHT
))
237 debug_write(__name__
, fn_attr(), ['16:9 aspect allowed, file is narrower than 16:9 padding left and right\n', ' '.join(settings
)])
238 else: #this is a 4:3 file or 16:9 output not allowed
239 settings
.append('-aspect')
240 settings
.append('4:3')
241 endHeight
= int(((TIVO_WIDTH
*height
)/width
) * multiplier4by3
)
244 if endHeight
< TIVO_HEIGHT
* 0.99:
245 settings
.append('-s')
246 settings
.append(str(TIVO_WIDTH
) + 'x' + str(endHeight
))
248 topPadding
= ((TIVO_HEIGHT
- endHeight
)/2)
252 settings
.append('-padtop')
253 settings
.append(str(topPadding
))
254 bottomPadding
= (TIVO_HEIGHT
- endHeight
) - topPadding
255 settings
.append('-padbottom')
256 settings
.append(str(bottomPadding
))
257 else: #if only very small amount of padding needed, then just stretch it
258 settings
.append('-s')
259 settings
.append(str(TIVO_WIDTH
) + 'x' + str(TIVO_HEIGHT
))
260 debug_write(__name__
, fn_attr(), ['File is wider than 4:3 padding top and bottom\n', ' '.join(settings
)])
263 #If video is taller than 4:3 add left and right padding, this is rare. All of these files will always be sent in
264 #an aspect ratio of 4:3 since they are so narrow.
266 endWidth
= int((TIVO_HEIGHT
*width
)/(height
*multiplier4by3
))
267 settings
.append('-aspect')
268 settings
.append('4:3')
271 if endWidth
< (TIVO_WIDTH
* 0.99):
272 settings
.append('-s')
273 settings
.append(str(endWidth
) + 'x' + str(TIVO_HEIGHT
))
275 leftPadding
= ((TIVO_WIDTH
- endWidth
)/2)
279 settings
.append('-padleft')
280 settings
.append(str(leftPadding
))
281 rightPadding
= (TIVO_WIDTH
- endWidth
) - leftPadding
282 settings
.append('-padright')
283 settings
.append(str(rightPadding
))
284 else: #if only very small amount of padding needed, then just stretch it
285 settings
.append('-s')
286 settings
.append(str(TIVO_WIDTH
) + 'x' + str(TIVO_HEIGHT
))
288 debug_write(__name__
, fn_attr(), ['File is taller than 4:3 padding left and right\n', ' '.join(settings
)])
292 def tivo_compatable(inFile
, tsn
= ''):
293 supportedModes
= [[720, 480], [704, 480], [544, 480], [480, 480], [352, 480]]
294 type, width
, height
, fps
, millisecs
, kbps
, akbps
, acodec
, afreq
, vpar
= video_info(inFile
)
295 #print type, width, height, fps, millisecs, kbps, akbps, acodec
297 if (inFile
[-5:]).lower() == '.tivo':
298 debug_write(__name__
, fn_attr(), ['TRUE, ends with .tivo.', inFile
])
301 if not type == 'mpeg2video':
302 #print 'Not Tivo Codec'
303 debug_write(__name__
, fn_attr(), ['FALSE, type', type, 'not mpeg2video.', inFile
])
306 if os
.path
.splitext(inFile
)[-1].lower() in ('.ts', '.mpv'):
307 debug_write(__name__
, fn_attr(), ['FALSE, ext', os
.path
.splitext(inFile
)[-1],\
308 'not tivo compatible.', inFile
])
312 debug_write(__name__
, fn_attr(), ['FALSE, acodec', acodec
, ', not supported.', inFile
])
316 if not akbps
or int(akbps
) > config
.getMaxAudioBR(tsn
):
317 debug_write(__name__
, fn_attr(), ['FALSE,', akbps
, 'kbps exceeds max audio bitrate.', inFile
])
321 abit
= max('0', akbps
)
322 if int(kbps
)-int(abit
) > config
.strtod(config
.getMaxVideoBR())/1000:
323 debug_write(__name__
, fn_attr(), ['FALSE,', kbps
, 'kbps exceeds max video bitrate.', inFile
])
326 debug_write(__name__
, fn_attr(), ['FALSE,', kbps
, 'kbps not supported.', inFile
])
329 if config
.isHDtivo(tsn
):
331 if config
.getPixelAR(0):
332 if vpar
!= None or config
.getPixelAR(1) != 1.0:
333 debug_write(__name__
, fn_attr(), ['FALSE,', vpar
, 'not correct PAR,', inFile
])
335 debug_write(__name__
, fn_attr(), ['TRUE, HD Tivo detected, skipping remaining tests', inFile
])
338 if not fps
== '29.97':
339 #print 'Not Tivo fps'
340 debug_write(__name__
, fn_attr(), ['FALSE,', fps
, 'fps, should be 29.97.', inFile
])
343 for mode
in supportedModes
:
344 if (mode
[0], mode
[1]) == (width
, height
):
346 debug_write(__name__
, fn_attr(), ['TRUE,', width
, 'x', height
, 'is valid.', inFile
])
348 #print 'Not Tivo dimensions'
349 debug_write(__name__
, fn_attr(), ['FALSE,', width
, 'x', height
, 'not in supported modes.', inFile
])
352 def video_info(inFile
):
353 mtime
= os
.stat(inFile
).st_mtime
354 if inFile
!= videotest
:
355 if inFile
in info_cache
and info_cache
[inFile
][0] == mtime
:
356 debug_write(__name__
, fn_attr(), ['CACHE HIT!', inFile
])
357 return info_cache
[inFile
][1]
359 if (inFile
[-5:]).lower() == '.tivo':
360 info_cache
[inFile
] = (mtime
, (True, True, True, True, True, True, True, True, True, True))
361 debug_write(__name__
, fn_attr(), ['VALID, ends in .tivo.', inFile
])
362 return True, True, True, True, True, True, True, True, True, True
364 cmd
= [ffmpeg_path(), '-i', inFile
]
365 ffmpeg
= subprocess
.Popen(cmd
, stderr
=subprocess
.PIPE
, stdout
=subprocess
.PIPE
, stdin
=subprocess
.PIPE
)
367 # wait 10 sec if ffmpeg is not back give up
368 for i
in xrange(200):
370 if not ffmpeg
.poll() == None:
373 if ffmpeg
.poll() == None:
375 info_cache
[inFile
] = (mtime
, (None, None, None, None, None, None, None, None, None, None))
376 return None, None, None, None, None, None, None, None, None, None
378 output
= ffmpeg
.stderr
.read()
379 debug_write(__name__
, fn_attr(), ['ffmpeg output=', output
])
381 rezre
= re
.compile(r
'.*Video: ([^,]+),.*')
382 x
= rezre
.search(output
)
386 info_cache
[inFile
] = (mtime
, (None, None, None, None, None, None, None, None, None, None))
387 debug_write(__name__
, fn_attr(), ['failed at video codec'])
388 return None, None, None, None, None, None, None, None, None, None
390 rezre
= re
.compile(r
'.*Video: .+, (\d+)x(\d+)[, ].*')
391 x
= rezre
.search(output
)
393 width
= int(x
.group(1))
394 height
= int(x
.group(2))
396 info_cache
[inFile
] = (mtime
, (None, None, None, None, None, None, None, None, None, None))
397 debug_write(__name__
, fn_attr(), ['failed at width/height'])
398 return None, None, None, None, None, None, None, None, None, None
400 rezre
= re
.compile(r
'.*Video: .+, (.+) (?:fps|tb).*')
401 x
= rezre
.search(output
)
405 info_cache
[inFile
] = (mtime
, (None, None, None, None, None, None, None, None, None, None))
406 debug_write(__name__
, fn_attr(), ['failed at fps'])
407 return None, None, None, None, None, None, None, None, None, None
409 # Allow override only if it is mpeg2 and frame rate was doubled to 59.94
410 if (not fps
== '29.97') and (codec
== 'mpeg2video'):
411 # First look for the build 7215 version
412 rezre
= re
.compile(r
'.*film source: 29.97.*')
413 x
= rezre
.search(output
.lower() )
415 debug_write(__name__
, fn_attr(), ['film source: 29.97 setting fps to 29.97'])
419 rezre
= re
.compile(r
'.*frame rate differs from container frame rate: 29.97.*')
420 debug_write(__name__
, fn_attr(), ['Bug in VideoReDo'])
421 x
= rezre
.search(output
.lower() )
425 durre
= re
.compile(r
'.*Duration: (.{2}):(.{2}):(.{2})\.(.),')
426 d
= durre
.search(output
)
428 millisecs
= ((int(d
.group(1))*3600) + (int(d
.group(2))*60) + int(d
.group(3)))*1000 + (int(d
.group(4))*100)
432 #get bitrate of source for tivo compatibility test.
433 rezre
= re
.compile(r
'.*bitrate: (.+) (?:kb/s).*')
434 x
= rezre
.search(output
)
439 debug_write(__name__
, fn_attr(), ['failed at kbps'])
441 #get audio bitrate of source for tivo compatibility test.
442 rezre
= re
.compile(r
'.*Audio: .+, (.+) (?:kb/s).*')
443 x
= rezre
.search(output
)
448 debug_write(__name__
, fn_attr(), ['failed at akbps'])
450 #get audio codec of source for tivo compatibility test.
451 rezre
= re
.compile(r
'.*Audio: ([^,]+),.*')
452 x
= rezre
.search(output
)
457 debug_write(__name__
, fn_attr(), ['failed at acodec'])
459 #get audio frequency of source for tivo compatibility test.
460 rezre
= re
.compile(r
'.*Audio: .+, (.+) (?:Hz).*')
461 x
= rezre
.search(output
)
466 debug_write(__name__
, fn_attr(), ['failed at afreq'])
469 rezre
= re
.compile(r
'.*Video: .+PAR ([0-9]+):([0-9]+) DAR [0-9:]+.*')
470 x
= rezre
.search(output
)
471 if x
and x
.group(1)!="0" and x
.group(2)!="0":
472 vpar
= float(x
.group(1))/float(x
.group(2))
476 info_cache
[inFile
] = (mtime
, (codec
, width
, height
, fps
, millisecs
, kbps
, akbps
, acodec
, afreq
, vpar
))
477 debug_write(__name__
, fn_attr(), ['Codec=', codec
, ' width=', width
, ' height=', height
, ' fps=', fps
, ' millisecs=', millisecs
, ' kbps=', kbps
, ' akbps=', akbps
, ' acodec=', acodec
, ' afreq=', afreq
, ' par=', vpar
])
478 return codec
, width
, height
, fps
, millisecs
, kbps
, akbps
, acodec
, afreq
, vpar
480 def video_check(inFile
, cmd_string
):
481 cmd
= [ffmpeg_path(), '-i', inFile
] + cmd_string
.split()
482 ffmpeg
= subprocess
.Popen(cmd
, stdout
=subprocess
.PIPE
)
484 shutil
.copyfileobj(ffmpeg
.stdout
, open(videotest
, 'wb'))
490 def supported_format(inFile
):
491 if video_info(inFile
)[0]:
494 debug_write(__name__
, fn_attr(), ['FALSE, file not supported', inFile
])
498 debug_write(__name__
, fn_attr(), ['killing pid=', str(pid
)])
503 os
.kill(pid
, signal
.SIGTERM
)
507 handle
= ctypes
.windll
.kernel32
.OpenProcess(1, False, pid
)
508 ctypes
.windll
.kernel32
.TerminateProcess(handle
, -1)
509 ctypes
.windll
.kernel32
.CloseHandle(handle
)