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Commit | Line | Data |
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3aa578ca PH |
1 | from __future__ import unicode_literals |
2 | ||
e9fade72 | 3 | import io |
496c1923 PH |
4 | import os |
5 | import subprocess | |
496c1923 | 6 | import time |
fa2a36d9 | 7 | import re |
496c1923 PH |
8 | |
9 | ||
10 | from .common import AudioConversionError, PostProcessor | |
11 | ||
8c25f81b | 12 | from ..compat import ( |
496c1923 | 13 | compat_subprocess_get_DEVNULL, |
8c25f81b PH |
14 | ) |
15 | from ..utils import ( | |
f07b74fc | 16 | encodeArgument, |
496c1923 | 17 | encodeFilename, |
95807118 | 18 | get_exe_version, |
48844745 | 19 | is_outdated_version, |
496c1923 PH |
20 | PostProcessingError, |
21 | prepend_extension, | |
22 | shell_quote, | |
23 | subtitles_filename, | |
bf6427d2 | 24 | dfxp2srt, |
39672624 | 25 | ISO639Utils, |
fa2a36d9 | 26 | replace_extension, |
496c1923 PH |
27 | ) |
28 | ||
29 | ||
a755f825 | 30 | EXT_TO_OUT_FORMATS = { |
21bfcd3d PH |
31 | 'aac': 'adts', |
32 | 'flac': 'flac', | |
33 | 'm4a': 'ipod', | |
34 | 'mka': 'matroska', | |
35 | 'mkv': 'matroska', | |
36 | 'mpg': 'mpeg', | |
37 | 'ogv': 'ogg', | |
38 | 'ts': 'mpegts', | |
39 | 'wma': 'asf', | |
40 | 'wmv': 'asf', | |
41 | } | |
42 | ACODECS = { | |
43 | 'mp3': 'libmp3lame', | |
44 | 'aac': 'aac', | |
45 | 'flac': 'flac', | |
46 | 'm4a': 'aac', | |
47 | 'opus': 'opus', | |
48 | 'vorbis': 'libvorbis', | |
49 | 'wav': None, | |
a755f825 | 50 | } |
51 | ||
52 | ||
496c1923 PH |
53 | class FFmpegPostProcessorError(PostProcessingError): |
54 | pass | |
55 | ||
d799b47b | 56 | |
496c1923 | 57 | class FFmpegPostProcessor(PostProcessor): |
d47aeb22 | 58 | def __init__(self, downloader=None): |
496c1923 | 59 | PostProcessor.__init__(self, downloader) |
73fac4e9 | 60 | self._determine_executables() |
496c1923 | 61 | |
48844745 | 62 | def check_version(self): |
f740fae2 | 63 | if not self.available: |
3aa578ca | 64 | raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.') |
48844745 | 65 | |
65bf37ef | 66 | required_version = '10-0' if self.basename == 'avconv' else '1.0' |
48844745 | 67 | if is_outdated_version( |
73fac4e9 | 68 | self._versions[self.basename], required_version): |
3aa578ca | 69 | warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % ( |
73fac4e9 | 70 | self.basename, self.basename, required_version) |
6194bb14 PH |
71 | if self._downloader: |
72 | self._downloader.report_warning(warning) | |
48844745 | 73 | |
496c1923 | 74 | @staticmethod |
73fac4e9 PH |
75 | def get_versions(downloader=None): |
76 | return FFmpegPostProcessor(downloader)._versions | |
6271f1ca | 77 | |
73fac4e9 PH |
78 | def _determine_executables(self): |
79 | programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] | |
374c761e | 80 | prefer_ffmpeg = False |
73fac4e9 PH |
81 | |
82 | self.basename = None | |
83 | self.probe_basename = None | |
84 | ||
85 | self._paths = None | |
86 | self._versions = None | |
87 | if self._downloader: | |
374c761e | 88 | prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False) |
73fac4e9 PH |
89 | location = self._downloader.params.get('ffmpeg_location') |
90 | if location is not None: | |
91 | if not os.path.exists(location): | |
92 | self._downloader.report_warning( | |
93 | 'ffmpeg-location %s does not exist! ' | |
94 | 'Continuing without avconv/ffmpeg.' % (location)) | |
95 | self._versions = {} | |
96 | return | |
97 | elif not os.path.isdir(location): | |
98 | basename = os.path.splitext(os.path.basename(location))[0] | |
99 | if basename not in programs: | |
100 | self._downloader.report_warning( | |
101 | 'Cannot identify executable %s, its basename should be one of %s. ' | |
102 | 'Continuing without avconv/ffmpeg.' % | |
103 | (location, ', '.join(programs))) | |
104 | self._versions = {} | |
105 | return None | |
106 | location = os.path.dirname(os.path.abspath(location)) | |
107 | if basename in ('ffmpeg', 'ffprobe'): | |
108 | prefer_ffmpeg = True | |
109 | ||
110 | self._paths = dict( | |
111 | (p, os.path.join(location, p)) for p in programs) | |
112 | self._versions = dict( | |
113 | (p, get_exe_version(self._paths[p], args=['-version'])) | |
114 | for p in programs) | |
115 | if self._versions is None: | |
116 | self._versions = dict( | |
117 | (p, get_exe_version(p, args=['-version'])) for p in programs) | |
118 | self._paths = dict((p, p) for p in programs) | |
119 | ||
120 | if prefer_ffmpeg: | |
d28b5171 | 121 | prefs = ('ffmpeg', 'avconv') |
76b1bd67 | 122 | else: |
d28b5171 PH |
123 | prefs = ('avconv', 'ffmpeg') |
124 | for p in prefs: | |
125 | if self._versions[p]: | |
73fac4e9 PH |
126 | self.basename = p |
127 | break | |
76b1bd67 | 128 | |
73fac4e9 | 129 | if prefer_ffmpeg: |
50b51830 | 130 | prefs = ('ffprobe', 'avprobe') |
1a253e13 PH |
131 | else: |
132 | prefs = ('avprobe', 'ffprobe') | |
133 | for p in prefs: | |
134 | if self._versions[p]: | |
73fac4e9 PH |
135 | self.probe_basename = p |
136 | break | |
137 | ||
f740fae2 | 138 | @property |
73fac4e9 PH |
139 | def available(self): |
140 | return self.basename is not None | |
1a253e13 | 141 | |
73fac4e9 PH |
142 | @property |
143 | def executable(self): | |
144 | return self._paths[self.basename] | |
145 | ||
3da4b313 JMF |
146 | @property |
147 | def probe_available(self): | |
148 | return self.probe_basename is not None | |
149 | ||
73fac4e9 PH |
150 | @property |
151 | def probe_executable(self): | |
152 | return self._paths[self.probe_basename] | |
76b1bd67 | 153 | |
30d9e209 RA |
154 | def get_audio_codec(self, path): |
155 | if not self.probe_available: | |
156 | raise PostProcessingError('ffprobe or avprobe not found. Please install one.') | |
157 | try: | |
158 | cmd = [ | |
159 | encodeFilename(self.probe_executable, True), | |
160 | encodeArgument('-show_streams'), | |
161 | encodeFilename(self._ffmpeg_filename_argument(path), True)] | |
162 | if self._downloader.params.get('verbose', False): | |
163 | self._downloader.to_screen('[debug] %s command line: %s' % (self.basename, shell_quote(cmd))) | |
164 | handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE, stdin=subprocess.PIPE) | |
165 | output = handle.communicate()[0] | |
166 | if handle.wait() != 0: | |
167 | return None | |
168 | except (IOError, OSError): | |
169 | return None | |
170 | audio_codec = None | |
171 | for line in output.decode('ascii', 'ignore').split('\n'): | |
172 | if line.startswith('codec_name='): | |
173 | audio_codec = line.split('=')[1].strip() | |
174 | elif line.strip() == 'codec_type=audio' and audio_codec is not None: | |
175 | return audio_codec | |
176 | return None | |
177 | ||
496c1923 | 178 | def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): |
48844745 | 179 | self.check_version() |
496c1923 | 180 | |
52afb2ac PH |
181 | oldest_mtime = min( |
182 | os.stat(encodeFilename(path)).st_mtime for path in input_paths) | |
43bc8890 | 183 | |
15006fed S |
184 | opts += self._configuration_args() |
185 | ||
496c1923 PH |
186 | files_cmd = [] |
187 | for path in input_paths: | |
8a7bbd16 JMF |
188 | files_cmd.extend([ |
189 | encodeArgument('-i'), | |
190 | encodeFilename(self._ffmpeg_filename_argument(path), True) | |
191 | ]) | |
73fac4e9 | 192 | cmd = ([encodeFilename(self.executable, True), encodeArgument('-y')] + |
43bc8890 PH |
193 | files_cmd + |
194 | [encodeArgument(o) for o in opts] + | |
496c1923 PH |
195 | [encodeFilename(self._ffmpeg_filename_argument(out_path), True)]) |
196 | ||
197 | if self._downloader.params.get('verbose', False): | |
3aa578ca | 198 | self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd)) |
cffcbc02 | 199 | p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) |
62fec3b2 | 200 | stdout, stderr = p.communicate() |
496c1923 PH |
201 | if p.returncode != 0: |
202 | stderr = stderr.decode('utf-8', 'replace') | |
203 | msg = stderr.strip().split('\n')[-1] | |
204 | raise FFmpegPostProcessorError(msg) | |
dd29eb7f | 205 | self.try_utime(out_path, oldest_mtime, oldest_mtime) |
cc55d088 | 206 | |
496c1923 PH |
207 | def run_ffmpeg(self, path, out_path, opts): |
208 | self.run_ffmpeg_multiple_files([path], out_path, opts) | |
209 | ||
210 | def _ffmpeg_filename_argument(self, fn): | |
8a7bbd16 JMF |
211 | # Always use 'file:' because the filename may contain ':' (ffmpeg |
212 | # interprets that as a protocol) or can start with '-' (-- is broken in | |
213 | # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details) | |
b9f2fdd3 | 214 | # Also leave '-' intact in order not to break streaming to stdout. |
d868f43c | 215 | return 'file:' + fn if fn != '-' else fn |
496c1923 PH |
216 | |
217 | ||
218 | class FFmpegExtractAudioPP(FFmpegPostProcessor): | |
219 | def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False): | |
220 | FFmpegPostProcessor.__init__(self, downloader) | |
221 | if preferredcodec is None: | |
222 | preferredcodec = 'best' | |
223 | self._preferredcodec = preferredcodec | |
224 | self._preferredquality = preferredquality | |
225 | self._nopostoverwrites = nopostoverwrites | |
226 | ||
496c1923 | 227 | def run_ffmpeg(self, path, out_path, codec, more_opts): |
496c1923 PH |
228 | if codec is None: |
229 | acodec_opts = [] | |
230 | else: | |
231 | acodec_opts = ['-acodec', codec] | |
232 | opts = ['-vn'] + acodec_opts + more_opts | |
233 | try: | |
234 | FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts) | |
235 | except FFmpegPostProcessorError as err: | |
236 | raise AudioConversionError(err.msg) | |
237 | ||
238 | def run(self, information): | |
239 | path = information['filepath'] | |
240 | ||
241 | filecodec = self.get_audio_codec(path) | |
242 | if filecodec is None: | |
3aa578ca | 243 | raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe') |
496c1923 PH |
244 | |
245 | more_opts = [] | |
246 | if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'): | |
247 | if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']: | |
248 | # Lossless, but in another container | |
249 | acodec = 'copy' | |
250 | extension = 'm4a' | |
467d3c9a | 251 | more_opts = ['-bsf:a', 'aac_adtstoasc'] |
21bfcd3d | 252 | elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']: |
496c1923 PH |
253 | # Lossless if possible |
254 | acodec = 'copy' | |
255 | extension = filecodec | |
256 | if filecodec == 'aac': | |
257 | more_opts = ['-f', 'adts'] | |
258 | if filecodec == 'vorbis': | |
259 | extension = 'ogg' | |
260 | else: | |
261 | # MP3 otherwise. | |
262 | acodec = 'libmp3lame' | |
263 | extension = 'mp3' | |
264 | more_opts = [] | |
265 | if self._preferredquality is not None: | |
266 | if int(self._preferredquality) < 10: | |
467d3c9a | 267 | more_opts += ['-q:a', self._preferredquality] |
496c1923 | 268 | else: |
467d3c9a | 269 | more_opts += ['-b:a', self._preferredquality + 'k'] |
496c1923 | 270 | else: |
21bfcd3d PH |
271 | # We convert the audio (lossy if codec is lossy) |
272 | acodec = ACODECS[self._preferredcodec] | |
496c1923 PH |
273 | extension = self._preferredcodec |
274 | more_opts = [] | |
275 | if self._preferredquality is not None: | |
276 | # The opus codec doesn't support the -aq option | |
277 | if int(self._preferredquality) < 10 and extension != 'opus': | |
467d3c9a | 278 | more_opts += ['-q:a', self._preferredquality] |
496c1923 | 279 | else: |
467d3c9a | 280 | more_opts += ['-b:a', self._preferredquality + 'k'] |
496c1923 PH |
281 | if self._preferredcodec == 'aac': |
282 | more_opts += ['-f', 'adts'] | |
283 | if self._preferredcodec == 'm4a': | |
467d3c9a | 284 | more_opts += ['-bsf:a', 'aac_adtstoasc'] |
496c1923 PH |
285 | if self._preferredcodec == 'vorbis': |
286 | extension = 'ogg' | |
287 | if self._preferredcodec == 'wav': | |
288 | extension = 'wav' | |
289 | more_opts += ['-f', 'wav'] | |
290 | ||
3aa578ca | 291 | prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups |
496c1923 | 292 | new_path = prefix + sep + extension |
0b94dbb1 | 293 | |
2273e2c5 PM |
294 | information['filepath'] = new_path |
295 | information['ext'] = extension | |
496c1923 PH |
296 | |
297 | # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly. | |
ce81b141 JMF |
298 | if (new_path == path or |
299 | (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))): | |
9750e7d7 | 300 | self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path) |
592e97e8 | 301 | return [], information |
496c1923 PH |
302 | |
303 | try: | |
deb85c32 | 304 | self._downloader.to_screen('[ffmpeg] Destination: ' + new_path) |
ce81b141 | 305 | self.run_ffmpeg(path, new_path, acodec, more_opts) |
70a1165b JMF |
306 | except AudioConversionError as e: |
307 | raise PostProcessingError( | |
308 | 'audio conversion failed: ' + e.msg) | |
309 | except Exception: | |
310 | raise PostProcessingError('error running ' + self.basename) | |
496c1923 PH |
311 | |
312 | # Try to update the date time for extracted audio file. | |
313 | if information.get('filetime') is not None: | |
dd29eb7f S |
314 | self.try_utime( |
315 | new_path, time.time(), information['filetime'], | |
316 | errnote='Cannot update utime of audio file') | |
496c1923 | 317 | |
592e97e8 | 318 | return [path], information |
496c1923 PH |
319 | |
320 | ||
4f026faf | 321 | class FFmpegVideoConvertorPP(FFmpegPostProcessor): |
5f6a1245 | 322 | def __init__(self, downloader=None, preferedformat=None): |
4f026faf | 323 | super(FFmpegVideoConvertorPP, self).__init__(downloader) |
5f6a1245 | 324 | self._preferedformat = preferedformat |
496c1923 PH |
325 | |
326 | def run(self, information): | |
327 | path = information['filepath'] | |
496c1923 | 328 | if information['ext'] == self._preferedformat: |
3aa578ca | 329 | self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat)) |
592e97e8 | 330 | return [], information |
15006fed S |
331 | options = [] |
332 | if self._preferedformat == 'avi': | |
333 | options.extend(['-c:v', 'libxvid', '-vtag', 'XVID']) | |
334 | prefix, sep, ext = path.rpartition('.') | |
335 | outpath = prefix + sep + self._preferedformat | |
3aa578ca | 336 | self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath) |
d84f1d14 | 337 | self.run_ffmpeg(path, outpath, options) |
496c1923 PH |
338 | information['filepath'] = outpath |
339 | information['format'] = self._preferedformat | |
f72b0a60 | 340 | information['ext'] = self._preferedformat |
592e97e8 | 341 | return [path], information |
496c1923 PH |
342 | |
343 | ||
344 | class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): | |
496c1923 | 345 | def run(self, information): |
40025ee2 S |
346 | if information['ext'] not in ('mp4', 'webm', 'mkv'): |
347 | self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4, webm or mkv files') | |
592e97e8 | 348 | return [], information |
c84dd8a9 JMF |
349 | subtitles = information.get('requested_subtitles') |
350 | if not subtitles: | |
3aa578ca | 351 | self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed') |
592e97e8 | 352 | return [], information |
496c1923 | 353 | |
496c1923 | 354 | filename = information['filepath'] |
40025ee2 S |
355 | |
356 | ext = information['ext'] | |
357 | sub_langs = [] | |
358 | sub_filenames = [] | |
359 | webm_vtt_warn = False | |
360 | ||
361 | for lang, sub_info in subtitles.items(): | |
362 | sub_ext = sub_info['ext'] | |
363 | if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt': | |
364 | sub_langs.append(lang) | |
365 | sub_filenames.append(subtitles_filename(filename, lang, sub_ext)) | |
366 | else: | |
367 | if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt': | |
368 | webm_vtt_warn = True | |
369 | self._downloader.to_screen('[ffmpeg] Only WebVTT subtitles can be embedded in webm files') | |
370 | ||
371 | if not sub_langs: | |
372 | return [], information | |
373 | ||
14523ed9 | 374 | input_files = [filename] + sub_filenames |
496c1923 | 375 | |
e205db3b | 376 | opts = [ |
23495d6a YCH |
377 | '-map', '0', |
378 | '-c', 'copy', | |
e205db3b JMF |
379 | # Don't copy the existing subtitles, we may be running the |
380 | # postprocessor a second time | |
381 | '-map', '-0:s', | |
382 | ] | |
083c1bb9 N |
383 | if information['ext'] == 'mp4': |
384 | opts += ['-c:s', 'mov_text'] | |
496c1923 | 385 | for (i, lang) in enumerate(sub_langs): |
2875cf01 | 386 | opts.extend(['-map', '%d:0' % (i + 1)]) |
39672624 | 387 | lang_code = ISO639Utils.short2long(lang) |
496c1923 PH |
388 | if lang_code is not None: |
389 | opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) | |
496c1923 | 390 | |
2875cf01 | 391 | temp_filename = prepend_extension(filename, 'temp') |
3aa578ca | 392 | self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename) |
496c1923 PH |
393 | self.run_ffmpeg_multiple_files(input_files, temp_filename, opts) |
394 | os.remove(encodeFilename(filename)) | |
395 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
396 | ||
14523ed9 | 397 | return sub_filenames, information |
496c1923 PH |
398 | |
399 | ||
400 | class FFmpegMetadataPP(FFmpegPostProcessor): | |
401 | def run(self, info): | |
402 | metadata = {} | |
4bd143a3 S |
403 | |
404 | def add(meta_list, info_list=None): | |
405 | if not info_list: | |
406 | info_list = meta_list | |
407 | if not isinstance(meta_list, (list, tuple)): | |
408 | meta_list = (meta_list,) | |
409 | if not isinstance(info_list, (list, tuple)): | |
410 | info_list = (info_list,) | |
411 | for info_f in info_list: | |
412 | if info.get(info_f) is not None: | |
413 | for meta_f in meta_list: | |
414 | metadata[meta_f] = info[info_f] | |
415 | break | |
416 | ||
417 | add('title', ('track', 'title')) | |
418 | add('date', 'upload_date') | |
419 | add(('description', 'comment'), 'description') | |
420 | add('purl', 'webpage_url') | |
421 | add('track', 'track_number') | |
422 | add('artist', ('artist', 'creator', 'uploader', 'uploader_id')) | |
423 | add('genre') | |
424 | add('album') | |
425 | add('album_artist') | |
426 | add('disc', 'disc_number') | |
496c1923 PH |
427 | |
428 | if not metadata: | |
3aa578ca | 429 | self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') |
592e97e8 | 430 | return [], info |
496c1923 PH |
431 | |
432 | filename = info['filepath'] | |
433 | temp_filename = prepend_extension(filename, 'temp') | |
fa2a36d9 | 434 | in_filenames = [filename] |
435 | options = [] | |
496c1923 | 436 | |
3aa578ca | 437 | if info['ext'] == 'm4a': |
fa2a36d9 | 438 | options.extend(['-vn', '-acodec', 'copy']) |
39c68260 | 439 | else: |
fa2a36d9 | 440 | options.extend(['-c', 'copy']) |
39c68260 | 441 | |
496c1923 PH |
442 | for (name, value) in metadata.items(): |
443 | options.extend(['-metadata', '%s=%s' % (name, value)]) | |
444 | ||
fa2a36d9 | 445 | chapters = info.get('chapters', []) |
446 | if chapters: | |
5192ee17 | 447 | metadata_filename = replace_extension(filename, 'meta') |
fa2a36d9 | 448 | with io.open(metadata_filename, 'wt', encoding='utf-8') as f: |
449 | def ffmpeg_escape(text): | |
450 | return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text) | |
451 | ||
452 | metadata_file_content = ';FFMETADATA1\n' | |
453 | for chapter in chapters: | |
454 | metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n' | |
455 | metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000) | |
456 | metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000) | |
457 | chapter_title = chapter.get('title') | |
458 | if chapter_title: | |
459 | metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title) | |
460 | f.write(metadata_file_content) | |
461 | in_filenames.append(metadata_filename) | |
462 | options.extend(['-map_metadata', '1']) | |
463 | ||
3aa578ca | 464 | self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename) |
fa2a36d9 | 465 | self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options) |
466 | if chapters: | |
467 | os.remove(metadata_filename) | |
496c1923 PH |
468 | os.remove(encodeFilename(filename)) |
469 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
592e97e8 | 470 | return [], info |
496c1923 PH |
471 | |
472 | ||
473 | class FFmpegMergerPP(FFmpegPostProcessor): | |
474 | def run(self, info): | |
475 | filename = info['filepath'] | |
5b5fbc08 | 476 | temp_filename = prepend_extension(filename, 'temp') |
bc3e582f | 477 | args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0'] |
3aa578ca | 478 | self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename) |
5b5fbc08 JMF |
479 | self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args) |
480 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
d47aeb22 | 481 | return info['__files_to_merge'], info |
496c1923 | 482 | |
13763ce5 S |
483 | def can_merge(self): |
484 | # TODO: figure out merge-capable ffmpeg version | |
485 | if self.basename != 'avconv': | |
486 | return True | |
487 | ||
488 | required_version = '10-0' | |
489 | if is_outdated_version( | |
490 | self._versions[self.basename], required_version): | |
491 | warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, ' | |
492 | 'youtube-dl will download single file media. ' | |
493 | 'Update %s to version %s or newer to fix this.') % ( | |
494 | self.basename, self.basename, required_version) | |
495 | if self._downloader: | |
496 | self._downloader.report_warning(warning) | |
497 | return False | |
498 | return True | |
499 | ||
0c14e2fb | 500 | |
6271f1ca PH |
501 | class FFmpegFixupStretchedPP(FFmpegPostProcessor): |
502 | def run(self, info): | |
503 | stretched_ratio = info.get('stretched_ratio') | |
504 | if stretched_ratio is None or stretched_ratio == 1: | |
592e97e8 | 505 | return [], info |
6271f1ca PH |
506 | |
507 | filename = info['filepath'] | |
508 | temp_filename = prepend_extension(filename, 'temp') | |
509 | ||
510 | options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio] | |
511 | self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename) | |
512 | self.run_ffmpeg(filename, temp_filename, options) | |
513 | ||
514 | os.remove(encodeFilename(filename)) | |
515 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
516 | ||
592e97e8 | 517 | return [], info |
62cd676c PH |
518 | |
519 | ||
520 | class FFmpegFixupM4aPP(FFmpegPostProcessor): | |
521 | def run(self, info): | |
522 | if info.get('container') != 'm4a_dash': | |
592e97e8 | 523 | return [], info |
62cd676c PH |
524 | |
525 | filename = info['filepath'] | |
526 | temp_filename = prepend_extension(filename, 'temp') | |
527 | ||
528 | options = ['-c', 'copy', '-f', 'mp4'] | |
529 | self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename) | |
530 | self.run_ffmpeg(filename, temp_filename, options) | |
531 | ||
532 | os.remove(encodeFilename(filename)) | |
533 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
534 | ||
592e97e8 | 535 | return [], info |
e9fade72 JMF |
536 | |
537 | ||
f17f8651 | 538 | class FFmpegFixupM3u8PP(FFmpegPostProcessor): |
539 | def run(self, info): | |
540 | filename = info['filepath'] | |
30d9e209 RA |
541 | if self.get_audio_codec(filename) == 'aac': |
542 | temp_filename = prepend_extension(filename, 'temp') | |
f17f8651 | 543 | |
30d9e209 | 544 | options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'] |
a02682fd | 545 | self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename) |
30d9e209 | 546 | self.run_ffmpeg(filename, temp_filename, options) |
f17f8651 | 547 | |
30d9e209 RA |
548 | os.remove(encodeFilename(filename)) |
549 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
f17f8651 | 550 | return [], info |
551 | ||
552 | ||
e9fade72 JMF |
553 | class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): |
554 | def __init__(self, downloader=None, format=None): | |
555 | super(FFmpegSubtitlesConvertorPP, self).__init__(downloader) | |
556 | self.format = format | |
557 | ||
558 | def run(self, info): | |
559 | subs = info.get('requested_subtitles') | |
560 | filename = info['filepath'] | |
561 | new_ext = self.format | |
562 | new_format = new_ext | |
563 | if new_format == 'vtt': | |
564 | new_format = 'webvtt' | |
565 | if subs is None: | |
566 | self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to convert') | |
592e97e8 | 567 | return [], info |
e9fade72 | 568 | self._downloader.to_screen('[ffmpeg] Converting subtitles') |
e04398e3 | 569 | sub_filenames = [] |
e9fade72 JMF |
570 | for lang, sub in subs.items(): |
571 | ext = sub['ext'] | |
572 | if ext == new_ext: | |
573 | self._downloader.to_screen( | |
0f57447d | 574 | '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext) |
e9fade72 | 575 | continue |
e04398e3 JMF |
576 | old_file = subtitles_filename(filename, lang, ext) |
577 | sub_filenames.append(old_file) | |
e9fade72 | 578 | new_file = subtitles_filename(filename, lang, new_ext) |
bf6427d2 | 579 | |
40fcba5e | 580 | if ext in ('dfxp', 'ttml', 'tt'): |
bf6427d2 YCH |
581 | self._downloader.report_warning( |
582 | 'You have requested to convert dfxp (TTML) subtitles into another format, ' | |
583 | 'which results in style information loss') | |
584 | ||
e04398e3 | 585 | dfxp_file = old_file |
bf6427d2 YCH |
586 | srt_file = subtitles_filename(filename, lang, 'srt') |
587 | ||
588 | with io.open(dfxp_file, 'rt', encoding='utf-8') as f: | |
589 | srt_data = dfxp2srt(f.read()) | |
590 | ||
591 | with io.open(srt_file, 'wt', encoding='utf-8') as f: | |
592 | f.write(srt_data) | |
7e62c2eb | 593 | old_file = srt_file |
bf6427d2 | 594 | |
bf6427d2 YCH |
595 | subs[lang] = { |
596 | 'ext': 'srt', | |
597 | 'data': srt_data | |
598 | } | |
599 | ||
600 | if new_ext == 'srt': | |
601 | continue | |
7b8b007c JMF |
602 | else: |
603 | sub_filenames.append(srt_file) | |
bf6427d2 | 604 | |
e04398e3 | 605 | self.run_ffmpeg(old_file, new_file, ['-f', new_format]) |
e9fade72 JMF |
606 | |
607 | with io.open(new_file, 'rt', encoding='utf-8') as f: | |
608 | subs[lang] = { | |
3547d265 | 609 | 'ext': new_ext, |
e9fade72 JMF |
610 | 'data': f.read(), |
611 | } | |
612 | ||
e04398e3 | 613 | return sub_filenames, info |