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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 ..utils import ( |
f07b74fc | 13 | encodeArgument, |
496c1923 | 14 | encodeFilename, |
95807118 | 15 | get_exe_version, |
48844745 | 16 | is_outdated_version, |
496c1923 PH |
17 | PostProcessingError, |
18 | prepend_extension, | |
19 | shell_quote, | |
20 | subtitles_filename, | |
bf6427d2 | 21 | dfxp2srt, |
39672624 | 22 | ISO639Utils, |
fa2a36d9 | 23 | replace_extension, |
496c1923 PH |
24 | ) |
25 | ||
26 | ||
a755f825 | 27 | EXT_TO_OUT_FORMATS = { |
21bfcd3d PH |
28 | 'aac': 'adts', |
29 | 'flac': 'flac', | |
30 | 'm4a': 'ipod', | |
31 | 'mka': 'matroska', | |
32 | 'mkv': 'matroska', | |
33 | 'mpg': 'mpeg', | |
34 | 'ogv': 'ogg', | |
35 | 'ts': 'mpegts', | |
36 | 'wma': 'asf', | |
37 | 'wmv': 'asf', | |
38 | } | |
39 | ACODECS = { | |
40 | 'mp3': 'libmp3lame', | |
41 | 'aac': 'aac', | |
42 | 'flac': 'flac', | |
43 | 'm4a': 'aac', | |
d2ae7e24 | 44 | 'opus': 'libopus', |
21bfcd3d PH |
45 | 'vorbis': 'libvorbis', |
46 | 'wav': None, | |
a755f825 | 47 | } |
48 | ||
49 | ||
496c1923 PH |
50 | class FFmpegPostProcessorError(PostProcessingError): |
51 | pass | |
52 | ||
d799b47b | 53 | |
496c1923 | 54 | class FFmpegPostProcessor(PostProcessor): |
d47aeb22 | 55 | def __init__(self, downloader=None): |
496c1923 | 56 | PostProcessor.__init__(self, downloader) |
73fac4e9 | 57 | self._determine_executables() |
496c1923 | 58 | |
48844745 | 59 | def check_version(self): |
f740fae2 | 60 | if not self.available: |
3aa578ca | 61 | raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.') |
48844745 | 62 | |
65bf37ef | 63 | required_version = '10-0' if self.basename == 'avconv' else '1.0' |
48844745 | 64 | if is_outdated_version( |
73fac4e9 | 65 | self._versions[self.basename], required_version): |
3aa578ca | 66 | warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % ( |
73fac4e9 | 67 | self.basename, self.basename, required_version) |
6194bb14 PH |
68 | if self._downloader: |
69 | self._downloader.report_warning(warning) | |
48844745 | 70 | |
496c1923 | 71 | @staticmethod |
73fac4e9 PH |
72 | def get_versions(downloader=None): |
73 | return FFmpegPostProcessor(downloader)._versions | |
6271f1ca | 74 | |
73fac4e9 PH |
75 | def _determine_executables(self): |
76 | programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] | |
d4a24f40 | 77 | prefer_ffmpeg = True |
73fac4e9 | 78 | |
a64646e4 RA |
79 | def get_ffmpeg_version(path): |
80 | ver = get_exe_version(path, args=['-version']) | |
81 | if ver: | |
82 | regexs = [ | |
cbdc688c | 83 | r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1] |
5caa531a | 84 | r'n([0-9.]+)$', # Arch Linux |
cbdc688c | 85 | # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/ |
a64646e4 RA |
86 | ] |
87 | for regex in regexs: | |
88 | mobj = re.match(regex, ver) | |
89 | if mobj: | |
90 | ver = mobj.group(1) | |
91 | return ver | |
92 | ||
73fac4e9 PH |
93 | self.basename = None |
94 | self.probe_basename = None | |
95 | ||
96 | self._paths = None | |
97 | self._versions = None | |
98 | if self._downloader: | |
d4a24f40 | 99 | prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', True) |
73fac4e9 PH |
100 | location = self._downloader.params.get('ffmpeg_location') |
101 | if location is not None: | |
102 | if not os.path.exists(location): | |
103 | self._downloader.report_warning( | |
104 | 'ffmpeg-location %s does not exist! ' | |
105 | 'Continuing without avconv/ffmpeg.' % (location)) | |
106 | self._versions = {} | |
107 | return | |
108 | elif not os.path.isdir(location): | |
109 | basename = os.path.splitext(os.path.basename(location))[0] | |
110 | if basename not in programs: | |
111 | self._downloader.report_warning( | |
112 | 'Cannot identify executable %s, its basename should be one of %s. ' | |
113 | 'Continuing without avconv/ffmpeg.' % | |
114 | (location, ', '.join(programs))) | |
115 | self._versions = {} | |
116 | return None | |
117 | location = os.path.dirname(os.path.abspath(location)) | |
118 | if basename in ('ffmpeg', 'ffprobe'): | |
119 | prefer_ffmpeg = True | |
120 | ||
121 | self._paths = dict( | |
122 | (p, os.path.join(location, p)) for p in programs) | |
123 | self._versions = dict( | |
a64646e4 | 124 | (p, get_ffmpeg_version(self._paths[p])) for p in programs) |
73fac4e9 PH |
125 | if self._versions is None: |
126 | self._versions = dict( | |
a64646e4 | 127 | (p, get_ffmpeg_version(p)) for p in programs) |
73fac4e9 PH |
128 | self._paths = dict((p, p) for p in programs) |
129 | ||
d4a24f40 | 130 | if prefer_ffmpeg is False: |
d28b5171 | 131 | prefs = ('avconv', 'ffmpeg') |
d4a24f40 S |
132 | else: |
133 | prefs = ('ffmpeg', 'avconv') | |
d28b5171 PH |
134 | for p in prefs: |
135 | if self._versions[p]: | |
73fac4e9 PH |
136 | self.basename = p |
137 | break | |
76b1bd67 | 138 | |
d4a24f40 | 139 | if prefer_ffmpeg is False: |
1a253e13 | 140 | prefs = ('avprobe', 'ffprobe') |
d4a24f40 S |
141 | else: |
142 | prefs = ('ffprobe', 'avprobe') | |
1a253e13 PH |
143 | for p in prefs: |
144 | if self._versions[p]: | |
73fac4e9 PH |
145 | self.probe_basename = p |
146 | break | |
147 | ||
f740fae2 | 148 | @property |
73fac4e9 PH |
149 | def available(self): |
150 | return self.basename is not None | |
1a253e13 | 151 | |
73fac4e9 PH |
152 | @property |
153 | def executable(self): | |
154 | return self._paths[self.basename] | |
155 | ||
3da4b313 JMF |
156 | @property |
157 | def probe_available(self): | |
158 | return self.probe_basename is not None | |
159 | ||
73fac4e9 PH |
160 | @property |
161 | def probe_executable(self): | |
162 | return self._paths[self.probe_basename] | |
76b1bd67 | 163 | |
30d9e209 | 164 | def get_audio_codec(self, path): |
eb35b163 RA |
165 | if not self.probe_available and not self.available: |
166 | raise PostProcessingError('ffprobe/avprobe and ffmpeg/avconv not found. Please install one.') | |
30d9e209 | 167 | try: |
eb35b163 RA |
168 | if self.probe_available: |
169 | cmd = [ | |
170 | encodeFilename(self.probe_executable, True), | |
171 | encodeArgument('-show_streams')] | |
172 | else: | |
173 | cmd = [ | |
174 | encodeFilename(self.executable, True), | |
175 | encodeArgument('-i')] | |
176 | cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True)) | |
30d9e209 | 177 | if self._downloader.params.get('verbose', False): |
eb35b163 RA |
178 | self._downloader.to_screen( |
179 | '[debug] %s command line: %s' % (self.basename, shell_quote(cmd))) | |
180 | handle = subprocess.Popen( | |
181 | cmd, stderr=subprocess.PIPE, | |
182 | stdout=subprocess.PIPE, stdin=subprocess.PIPE) | |
183 | stdout_data, stderr_data = handle.communicate() | |
184 | expected_ret = 0 if self.probe_available else 1 | |
185 | if handle.wait() != expected_ret: | |
30d9e209 RA |
186 | return None |
187 | except (IOError, OSError): | |
188 | return None | |
eb35b163 RA |
189 | output = (stdout_data if self.probe_available else stderr_data).decode('ascii', 'ignore') |
190 | if self.probe_available: | |
191 | audio_codec = None | |
192 | for line in output.split('\n'): | |
193 | if line.startswith('codec_name='): | |
194 | audio_codec = line.split('=')[1].strip() | |
195 | elif line.strip() == 'codec_type=audio' and audio_codec is not None: | |
196 | return audio_codec | |
197 | else: | |
198 | # Stream #FILE_INDEX:STREAM_INDEX[STREAM_ID](LANGUAGE): CODEC_TYPE: CODEC_NAME | |
199 | mobj = re.search( | |
200 | r'Stream\s*#\d+:\d+(?:\[0x[0-9a-f]+\])?(?:\([a-z]{3}\))?:\s*Audio:\s*([0-9a-z]+)', | |
201 | output) | |
202 | if mobj: | |
203 | return mobj.group(1) | |
30d9e209 RA |
204 | return None |
205 | ||
496c1923 | 206 | def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): |
48844745 | 207 | self.check_version() |
496c1923 | 208 | |
52afb2ac PH |
209 | oldest_mtime = min( |
210 | os.stat(encodeFilename(path)).st_mtime for path in input_paths) | |
43bc8890 | 211 | |
15006fed S |
212 | opts += self._configuration_args() |
213 | ||
496c1923 PH |
214 | files_cmd = [] |
215 | for path in input_paths: | |
8a7bbd16 JMF |
216 | files_cmd.extend([ |
217 | encodeArgument('-i'), | |
218 | encodeFilename(self._ffmpeg_filename_argument(path), True) | |
219 | ]) | |
ce52c7c1 S |
220 | cmd = [encodeFilename(self.executable, True), encodeArgument('-y')] |
221 | # avconv does not have repeat option | |
222 | if self.basename == 'ffmpeg': | |
223 | cmd += [encodeArgument('-loglevel'), encodeArgument('repeat+info')] | |
3089bc74 S |
224 | cmd += (files_cmd |
225 | + [encodeArgument(o) for o in opts] | |
226 | + [encodeFilename(self._ffmpeg_filename_argument(out_path), True)]) | |
496c1923 PH |
227 | |
228 | if self._downloader.params.get('verbose', False): | |
3aa578ca | 229 | self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd)) |
cffcbc02 | 230 | p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) |
62fec3b2 | 231 | stdout, stderr = p.communicate() |
496c1923 PH |
232 | if p.returncode != 0: |
233 | stderr = stderr.decode('utf-8', 'replace') | |
234 | msg = stderr.strip().split('\n')[-1] | |
235 | raise FFmpegPostProcessorError(msg) | |
dd29eb7f | 236 | self.try_utime(out_path, oldest_mtime, oldest_mtime) |
cc55d088 | 237 | |
496c1923 PH |
238 | def run_ffmpeg(self, path, out_path, opts): |
239 | self.run_ffmpeg_multiple_files([path], out_path, opts) | |
240 | ||
241 | def _ffmpeg_filename_argument(self, fn): | |
8a7bbd16 JMF |
242 | # Always use 'file:' because the filename may contain ':' (ffmpeg |
243 | # interprets that as a protocol) or can start with '-' (-- is broken in | |
244 | # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details) | |
b9f2fdd3 | 245 | # Also leave '-' intact in order not to break streaming to stdout. |
d868f43c | 246 | return 'file:' + fn if fn != '-' else fn |
496c1923 PH |
247 | |
248 | ||
249 | class FFmpegExtractAudioPP(FFmpegPostProcessor): | |
250 | def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False): | |
251 | FFmpegPostProcessor.__init__(self, downloader) | |
252 | if preferredcodec is None: | |
253 | preferredcodec = 'best' | |
254 | self._preferredcodec = preferredcodec | |
255 | self._preferredquality = preferredquality | |
256 | self._nopostoverwrites = nopostoverwrites | |
257 | ||
496c1923 | 258 | def run_ffmpeg(self, path, out_path, codec, more_opts): |
496c1923 PH |
259 | if codec is None: |
260 | acodec_opts = [] | |
261 | else: | |
262 | acodec_opts = ['-acodec', codec] | |
263 | opts = ['-vn'] + acodec_opts + more_opts | |
264 | try: | |
265 | FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts) | |
266 | except FFmpegPostProcessorError as err: | |
267 | raise AudioConversionError(err.msg) | |
268 | ||
269 | def run(self, information): | |
270 | path = information['filepath'] | |
271 | ||
272 | filecodec = self.get_audio_codec(path) | |
273 | if filecodec is None: | |
3aa578ca | 274 | raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe') |
496c1923 PH |
275 | |
276 | more_opts = [] | |
277 | if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'): | |
278 | if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']: | |
279 | # Lossless, but in another container | |
280 | acodec = 'copy' | |
281 | extension = 'm4a' | |
467d3c9a | 282 | more_opts = ['-bsf:a', 'aac_adtstoasc'] |
21bfcd3d | 283 | elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']: |
496c1923 PH |
284 | # Lossless if possible |
285 | acodec = 'copy' | |
286 | extension = filecodec | |
287 | if filecodec == 'aac': | |
288 | more_opts = ['-f', 'adts'] | |
289 | if filecodec == 'vorbis': | |
290 | extension = 'ogg' | |
291 | else: | |
292 | # MP3 otherwise. | |
293 | acodec = 'libmp3lame' | |
294 | extension = 'mp3' | |
295 | more_opts = [] | |
296 | if self._preferredquality is not None: | |
297 | if int(self._preferredquality) < 10: | |
467d3c9a | 298 | more_opts += ['-q:a', self._preferredquality] |
496c1923 | 299 | else: |
467d3c9a | 300 | more_opts += ['-b:a', self._preferredquality + 'k'] |
496c1923 | 301 | else: |
21bfcd3d PH |
302 | # We convert the audio (lossy if codec is lossy) |
303 | acodec = ACODECS[self._preferredcodec] | |
496c1923 PH |
304 | extension = self._preferredcodec |
305 | more_opts = [] | |
306 | if self._preferredquality is not None: | |
307 | # The opus codec doesn't support the -aq option | |
308 | if int(self._preferredquality) < 10 and extension != 'opus': | |
467d3c9a | 309 | more_opts += ['-q:a', self._preferredquality] |
496c1923 | 310 | else: |
467d3c9a | 311 | more_opts += ['-b:a', self._preferredquality + 'k'] |
496c1923 PH |
312 | if self._preferredcodec == 'aac': |
313 | more_opts += ['-f', 'adts'] | |
314 | if self._preferredcodec == 'm4a': | |
467d3c9a | 315 | more_opts += ['-bsf:a', 'aac_adtstoasc'] |
496c1923 PH |
316 | if self._preferredcodec == 'vorbis': |
317 | extension = 'ogg' | |
318 | if self._preferredcodec == 'wav': | |
319 | extension = 'wav' | |
320 | more_opts += ['-f', 'wav'] | |
321 | ||
3aa578ca | 322 | prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups |
496c1923 | 323 | new_path = prefix + sep + extension |
0b94dbb1 | 324 | |
2273e2c5 PM |
325 | information['filepath'] = new_path |
326 | information['ext'] = extension | |
496c1923 PH |
327 | |
328 | # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly. | |
3089bc74 S |
329 | if (new_path == path |
330 | or (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))): | |
9750e7d7 | 331 | self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path) |
592e97e8 | 332 | return [], information |
496c1923 PH |
333 | |
334 | try: | |
deb85c32 | 335 | self._downloader.to_screen('[ffmpeg] Destination: ' + new_path) |
ce81b141 | 336 | self.run_ffmpeg(path, new_path, acodec, more_opts) |
70a1165b JMF |
337 | except AudioConversionError as e: |
338 | raise PostProcessingError( | |
339 | 'audio conversion failed: ' + e.msg) | |
340 | except Exception: | |
341 | raise PostProcessingError('error running ' + self.basename) | |
496c1923 PH |
342 | |
343 | # Try to update the date time for extracted audio file. | |
344 | if information.get('filetime') is not None: | |
dd29eb7f S |
345 | self.try_utime( |
346 | new_path, time.time(), information['filetime'], | |
347 | errnote='Cannot update utime of audio file') | |
496c1923 | 348 | |
592e97e8 | 349 | return [path], information |
496c1923 PH |
350 | |
351 | ||
4f026faf | 352 | class FFmpegVideoConvertorPP(FFmpegPostProcessor): |
5f6a1245 | 353 | def __init__(self, downloader=None, preferedformat=None): |
4f026faf | 354 | super(FFmpegVideoConvertorPP, self).__init__(downloader) |
5f6a1245 | 355 | self._preferedformat = preferedformat |
496c1923 PH |
356 | |
357 | def run(self, information): | |
358 | path = information['filepath'] | |
496c1923 | 359 | if information['ext'] == self._preferedformat: |
3aa578ca | 360 | self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat)) |
592e97e8 | 361 | return [], information |
15006fed S |
362 | options = [] |
363 | if self._preferedformat == 'avi': | |
364 | options.extend(['-c:v', 'libxvid', '-vtag', 'XVID']) | |
365 | prefix, sep, ext = path.rpartition('.') | |
366 | outpath = prefix + sep + self._preferedformat | |
3aa578ca | 367 | self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath) |
d84f1d14 | 368 | self.run_ffmpeg(path, outpath, options) |
496c1923 PH |
369 | information['filepath'] = outpath |
370 | information['format'] = self._preferedformat | |
f72b0a60 | 371 | information['ext'] = self._preferedformat |
592e97e8 | 372 | return [path], information |
496c1923 PH |
373 | |
374 | ||
375 | class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): | |
496c1923 | 376 | def run(self, information): |
40025ee2 S |
377 | if information['ext'] not in ('mp4', 'webm', 'mkv'): |
378 | self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4, webm or mkv files') | |
592e97e8 | 379 | return [], information |
c84dd8a9 JMF |
380 | subtitles = information.get('requested_subtitles') |
381 | if not subtitles: | |
3aa578ca | 382 | self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed') |
592e97e8 | 383 | return [], information |
496c1923 | 384 | |
496c1923 | 385 | filename = information['filepath'] |
40025ee2 S |
386 | |
387 | ext = information['ext'] | |
388 | sub_langs = [] | |
389 | sub_filenames = [] | |
390 | webm_vtt_warn = False | |
391 | ||
392 | for lang, sub_info in subtitles.items(): | |
393 | sub_ext = sub_info['ext'] | |
394 | if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt': | |
395 | sub_langs.append(lang) | |
824fa511 | 396 | sub_filenames.append(subtitles_filename(filename, lang, sub_ext, ext)) |
40025ee2 S |
397 | else: |
398 | if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt': | |
399 | webm_vtt_warn = True | |
400 | self._downloader.to_screen('[ffmpeg] Only WebVTT subtitles can be embedded in webm files') | |
401 | ||
402 | if not sub_langs: | |
403 | return [], information | |
404 | ||
14523ed9 | 405 | input_files = [filename] + sub_filenames |
496c1923 | 406 | |
e205db3b | 407 | opts = [ |
23495d6a YCH |
408 | '-map', '0', |
409 | '-c', 'copy', | |
e205db3b JMF |
410 | # Don't copy the existing subtitles, we may be running the |
411 | # postprocessor a second time | |
412 | '-map', '-0:s', | |
7f903dd8 T |
413 | # Don't copy Apple TV chapters track, bin_data (see #19042, #19024, |
414 | # https://trac.ffmpeg.org/ticket/6016) | |
415 | '-map', '-0:d', | |
e205db3b | 416 | ] |
083c1bb9 N |
417 | if information['ext'] == 'mp4': |
418 | opts += ['-c:s', 'mov_text'] | |
496c1923 | 419 | for (i, lang) in enumerate(sub_langs): |
2875cf01 | 420 | opts.extend(['-map', '%d:0' % (i + 1)]) |
04fb6928 S |
421 | lang_code = ISO639Utils.short2long(lang) or lang |
422 | opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) | |
496c1923 | 423 | |
2875cf01 | 424 | temp_filename = prepend_extension(filename, 'temp') |
3aa578ca | 425 | self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename) |
496c1923 PH |
426 | self.run_ffmpeg_multiple_files(input_files, temp_filename, opts) |
427 | os.remove(encodeFilename(filename)) | |
428 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
429 | ||
14523ed9 | 430 | return sub_filenames, information |
496c1923 PH |
431 | |
432 | ||
433 | class FFmpegMetadataPP(FFmpegPostProcessor): | |
434 | def run(self, info): | |
435 | metadata = {} | |
4bd143a3 S |
436 | |
437 | def add(meta_list, info_list=None): | |
438 | if not info_list: | |
439 | info_list = meta_list | |
440 | if not isinstance(meta_list, (list, tuple)): | |
441 | meta_list = (meta_list,) | |
442 | if not isinstance(info_list, (list, tuple)): | |
443 | info_list = (info_list,) | |
444 | for info_f in info_list: | |
445 | if info.get(info_f) is not None: | |
446 | for meta_f in meta_list: | |
447 | metadata[meta_f] = info[info_f] | |
448 | break | |
449 | ||
450 | add('title', ('track', 'title')) | |
451 | add('date', 'upload_date') | |
452 | add(('description', 'comment'), 'description') | |
453 | add('purl', 'webpage_url') | |
454 | add('track', 'track_number') | |
455 | add('artist', ('artist', 'creator', 'uploader', 'uploader_id')) | |
456 | add('genre') | |
457 | add('album') | |
458 | add('album_artist') | |
459 | add('disc', 'disc_number') | |
496c1923 PH |
460 | |
461 | if not metadata: | |
3aa578ca | 462 | self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') |
592e97e8 | 463 | return [], info |
496c1923 PH |
464 | |
465 | filename = info['filepath'] | |
466 | temp_filename = prepend_extension(filename, 'temp') | |
fa2a36d9 | 467 | in_filenames = [filename] |
468 | options = [] | |
496c1923 | 469 | |
3aa578ca | 470 | if info['ext'] == 'm4a': |
fa2a36d9 | 471 | options.extend(['-vn', '-acodec', 'copy']) |
39c68260 | 472 | else: |
fa2a36d9 | 473 | options.extend(['-c', 'copy']) |
39c68260 | 474 | |
496c1923 PH |
475 | for (name, value) in metadata.items(): |
476 | options.extend(['-metadata', '%s=%s' % (name, value)]) | |
477 | ||
fa2a36d9 | 478 | chapters = info.get('chapters', []) |
479 | if chapters: | |
5192ee17 | 480 | metadata_filename = replace_extension(filename, 'meta') |
fa2a36d9 | 481 | with io.open(metadata_filename, 'wt', encoding='utf-8') as f: |
482 | def ffmpeg_escape(text): | |
483 | return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text) | |
484 | ||
485 | metadata_file_content = ';FFMETADATA1\n' | |
486 | for chapter in chapters: | |
487 | metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n' | |
488 | metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000) | |
489 | metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000) | |
490 | chapter_title = chapter.get('title') | |
491 | if chapter_title: | |
492 | metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title) | |
493 | f.write(metadata_file_content) | |
494 | in_filenames.append(metadata_filename) | |
495 | options.extend(['-map_metadata', '1']) | |
496 | ||
3aa578ca | 497 | self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename) |
fa2a36d9 | 498 | self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options) |
499 | if chapters: | |
500 | os.remove(metadata_filename) | |
496c1923 PH |
501 | os.remove(encodeFilename(filename)) |
502 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
592e97e8 | 503 | return [], info |
496c1923 PH |
504 | |
505 | ||
506 | class FFmpegMergerPP(FFmpegPostProcessor): | |
507 | def run(self, info): | |
508 | filename = info['filepath'] | |
5b5fbc08 | 509 | temp_filename = prepend_extension(filename, 'temp') |
bc3e582f | 510 | args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0'] |
3aa578ca | 511 | self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename) |
5b5fbc08 JMF |
512 | self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args) |
513 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
d47aeb22 | 514 | return info['__files_to_merge'], info |
496c1923 | 515 | |
13763ce5 S |
516 | def can_merge(self): |
517 | # TODO: figure out merge-capable ffmpeg version | |
518 | if self.basename != 'avconv': | |
519 | return True | |
520 | ||
521 | required_version = '10-0' | |
522 | if is_outdated_version( | |
523 | self._versions[self.basename], required_version): | |
524 | warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, ' | |
525 | 'youtube-dl will download single file media. ' | |
526 | 'Update %s to version %s or newer to fix this.') % ( | |
527 | self.basename, self.basename, required_version) | |
528 | if self._downloader: | |
529 | self._downloader.report_warning(warning) | |
530 | return False | |
531 | return True | |
532 | ||
0c14e2fb | 533 | |
6271f1ca PH |
534 | class FFmpegFixupStretchedPP(FFmpegPostProcessor): |
535 | def run(self, info): | |
536 | stretched_ratio = info.get('stretched_ratio') | |
537 | if stretched_ratio is None or stretched_ratio == 1: | |
592e97e8 | 538 | return [], info |
6271f1ca PH |
539 | |
540 | filename = info['filepath'] | |
541 | temp_filename = prepend_extension(filename, 'temp') | |
542 | ||
543 | options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio] | |
544 | self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename) | |
545 | self.run_ffmpeg(filename, temp_filename, options) | |
546 | ||
547 | os.remove(encodeFilename(filename)) | |
548 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
549 | ||
592e97e8 | 550 | return [], info |
62cd676c PH |
551 | |
552 | ||
553 | class FFmpegFixupM4aPP(FFmpegPostProcessor): | |
554 | def run(self, info): | |
555 | if info.get('container') != 'm4a_dash': | |
592e97e8 | 556 | return [], info |
62cd676c PH |
557 | |
558 | filename = info['filepath'] | |
559 | temp_filename = prepend_extension(filename, 'temp') | |
560 | ||
561 | options = ['-c', 'copy', '-f', 'mp4'] | |
562 | self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename) | |
563 | self.run_ffmpeg(filename, temp_filename, options) | |
564 | ||
565 | os.remove(encodeFilename(filename)) | |
566 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
567 | ||
592e97e8 | 568 | return [], info |
e9fade72 JMF |
569 | |
570 | ||
f17f8651 | 571 | class FFmpegFixupM3u8PP(FFmpegPostProcessor): |
572 | def run(self, info): | |
573 | filename = info['filepath'] | |
30d9e209 RA |
574 | if self.get_audio_codec(filename) == 'aac': |
575 | temp_filename = prepend_extension(filename, 'temp') | |
f17f8651 | 576 | |
30d9e209 | 577 | options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'] |
a02682fd | 578 | self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename) |
30d9e209 | 579 | self.run_ffmpeg(filename, temp_filename, options) |
f17f8651 | 580 | |
30d9e209 RA |
581 | os.remove(encodeFilename(filename)) |
582 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
f17f8651 | 583 | return [], info |
584 | ||
585 | ||
e9fade72 JMF |
586 | class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): |
587 | def __init__(self, downloader=None, format=None): | |
588 | super(FFmpegSubtitlesConvertorPP, self).__init__(downloader) | |
589 | self.format = format | |
590 | ||
591 | def run(self, info): | |
592 | subs = info.get('requested_subtitles') | |
593 | filename = info['filepath'] | |
594 | new_ext = self.format | |
595 | new_format = new_ext | |
596 | if new_format == 'vtt': | |
597 | new_format = 'webvtt' | |
598 | if subs is None: | |
599 | self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to convert') | |
592e97e8 | 600 | return [], info |
e9fade72 | 601 | self._downloader.to_screen('[ffmpeg] Converting subtitles') |
e04398e3 | 602 | sub_filenames = [] |
e9fade72 JMF |
603 | for lang, sub in subs.items(): |
604 | ext = sub['ext'] | |
605 | if ext == new_ext: | |
606 | self._downloader.to_screen( | |
0f57447d | 607 | '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext) |
e9fade72 | 608 | continue |
824fa511 | 609 | old_file = subtitles_filename(filename, lang, ext, info.get('ext')) |
e04398e3 | 610 | sub_filenames.append(old_file) |
824fa511 | 611 | new_file = subtitles_filename(filename, lang, new_ext, info.get('ext')) |
bf6427d2 | 612 | |
40fcba5e | 613 | if ext in ('dfxp', 'ttml', 'tt'): |
bf6427d2 YCH |
614 | self._downloader.report_warning( |
615 | 'You have requested to convert dfxp (TTML) subtitles into another format, ' | |
616 | 'which results in style information loss') | |
617 | ||
e04398e3 | 618 | dfxp_file = old_file |
824fa511 | 619 | srt_file = subtitles_filename(filename, lang, 'srt', info.get('ext')) |
bf6427d2 | 620 | |
3869028f | 621 | with open(dfxp_file, 'rb') as f: |
bf6427d2 YCH |
622 | srt_data = dfxp2srt(f.read()) |
623 | ||
624 | with io.open(srt_file, 'wt', encoding='utf-8') as f: | |
625 | f.write(srt_data) | |
7e62c2eb | 626 | old_file = srt_file |
bf6427d2 | 627 | |
bf6427d2 YCH |
628 | subs[lang] = { |
629 | 'ext': 'srt', | |
630 | 'data': srt_data | |
631 | } | |
632 | ||
633 | if new_ext == 'srt': | |
634 | continue | |
7b8b007c JMF |
635 | else: |
636 | sub_filenames.append(srt_file) | |
bf6427d2 | 637 | |
e04398e3 | 638 | self.run_ffmpeg(old_file, new_file, ['-f', new_format]) |
e9fade72 JMF |
639 | |
640 | with io.open(new_file, 'rt', encoding='utf-8') as f: | |
641 | subs[lang] = { | |
3547d265 | 642 | 'ext': new_ext, |
e9fade72 JMF |
643 | 'data': f.read(), |
644 | } | |
645 | ||
e04398e3 | 646 | return sub_filenames, info |