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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3aa578ca | 66 | warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.'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 | ]) | |
73fac4e9 | 220 | cmd = ([encodeFilename(self.executable, True), encodeArgument('-y')] + |
61ff92e1 | 221 | [encodeArgument('-loglevel'), encodeArgument('repeat+info')] + |
43bc8890 PH |
222 | files_cmd + |
223 | [encodeArgument(o) for o in opts] + | |
496c1923 PH |
224 | [encodeFilename(self._ffmpeg_filename_argument(out_path), True)]) |
225 | ||
226 | if self._downloader.params.get('verbose', False): | |
3aa578ca | 227 | self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd)) |
cffcbc02 | 228 | p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) |
62fec3b2 | 229 | stdout, stderr = p.communicate() |
496c1923 PH |
230 | if p.returncode != 0: |
231 | stderr = stderr.decode('utf-8', 'replace') | |
232 | msg = stderr.strip().split('\n')[-1] | |
233 | raise FFmpegPostProcessorError(msg) | |
dd29eb7f | 234 | self.try_utime(out_path, oldest_mtime, oldest_mtime) |
cc55d088 | 235 | |
496c1923 PH |
236 | def run_ffmpeg(self, path, out_path, opts): |
237 | self.run_ffmpeg_multiple_files([path], out_path, opts) | |
238 | ||
239 | def _ffmpeg_filename_argument(self, fn): | |
8a7bbd16 JMF |
240 | # Always use 'file:' because the filename may contain ':' (ffmpeg |
241 | # interprets that as a protocol) or can start with '-' (-- is broken in | |
242 | # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details) | |
b9f2fdd3 | 243 | # Also leave '-' intact in order not to break streaming to stdout. |
d868f43c | 244 | return 'file:' + fn if fn != '-' else fn |
496c1923 PH |
245 | |
246 | ||
247 | class FFmpegExtractAudioPP(FFmpegPostProcessor): | |
248 | def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False): | |
249 | FFmpegPostProcessor.__init__(self, downloader) | |
250 | if preferredcodec is None: | |
251 | preferredcodec = 'best' | |
252 | self._preferredcodec = preferredcodec | |
253 | self._preferredquality = preferredquality | |
254 | self._nopostoverwrites = nopostoverwrites | |
255 | ||
496c1923 | 256 | def run_ffmpeg(self, path, out_path, codec, more_opts): |
496c1923 PH |
257 | if codec is None: |
258 | acodec_opts = [] | |
259 | else: | |
260 | acodec_opts = ['-acodec', codec] | |
261 | opts = ['-vn'] + acodec_opts + more_opts | |
262 | try: | |
263 | FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts) | |
264 | except FFmpegPostProcessorError as err: | |
265 | raise AudioConversionError(err.msg) | |
266 | ||
267 | def run(self, information): | |
268 | path = information['filepath'] | |
269 | ||
270 | filecodec = self.get_audio_codec(path) | |
271 | if filecodec is None: | |
3aa578ca | 272 | raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe') |
496c1923 PH |
273 | |
274 | more_opts = [] | |
275 | if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'): | |
276 | if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']: | |
277 | # Lossless, but in another container | |
278 | acodec = 'copy' | |
279 | extension = 'm4a' | |
467d3c9a | 280 | more_opts = ['-bsf:a', 'aac_adtstoasc'] |
21bfcd3d | 281 | elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']: |
496c1923 PH |
282 | # Lossless if possible |
283 | acodec = 'copy' | |
284 | extension = filecodec | |
285 | if filecodec == 'aac': | |
286 | more_opts = ['-f', 'adts'] | |
287 | if filecodec == 'vorbis': | |
288 | extension = 'ogg' | |
289 | else: | |
290 | # MP3 otherwise. | |
291 | acodec = 'libmp3lame' | |
292 | extension = 'mp3' | |
293 | more_opts = [] | |
294 | if self._preferredquality is not None: | |
295 | if int(self._preferredquality) < 10: | |
467d3c9a | 296 | more_opts += ['-q:a', self._preferredquality] |
496c1923 | 297 | else: |
467d3c9a | 298 | more_opts += ['-b:a', self._preferredquality + 'k'] |
496c1923 | 299 | else: |
21bfcd3d PH |
300 | # We convert the audio (lossy if codec is lossy) |
301 | acodec = ACODECS[self._preferredcodec] | |
496c1923 PH |
302 | extension = self._preferredcodec |
303 | more_opts = [] | |
304 | if self._preferredquality is not None: | |
305 | # The opus codec doesn't support the -aq option | |
306 | if int(self._preferredquality) < 10 and extension != 'opus': | |
467d3c9a | 307 | more_opts += ['-q:a', self._preferredquality] |
496c1923 | 308 | else: |
467d3c9a | 309 | more_opts += ['-b:a', self._preferredquality + 'k'] |
496c1923 PH |
310 | if self._preferredcodec == 'aac': |
311 | more_opts += ['-f', 'adts'] | |
312 | if self._preferredcodec == 'm4a': | |
467d3c9a | 313 | more_opts += ['-bsf:a', 'aac_adtstoasc'] |
496c1923 PH |
314 | if self._preferredcodec == 'vorbis': |
315 | extension = 'ogg' | |
316 | if self._preferredcodec == 'wav': | |
317 | extension = 'wav' | |
318 | more_opts += ['-f', 'wav'] | |
319 | ||
3aa578ca | 320 | prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups |
496c1923 | 321 | new_path = prefix + sep + extension |
0b94dbb1 | 322 | |
2273e2c5 PM |
323 | information['filepath'] = new_path |
324 | information['ext'] = extension | |
496c1923 PH |
325 | |
326 | # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly. | |
ce81b141 JMF |
327 | if (new_path == path or |
328 | (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))): | |
9750e7d7 | 329 | self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path) |
592e97e8 | 330 | return [], information |
496c1923 PH |
331 | |
332 | try: | |
deb85c32 | 333 | self._downloader.to_screen('[ffmpeg] Destination: ' + new_path) |
ce81b141 | 334 | self.run_ffmpeg(path, new_path, acodec, more_opts) |
70a1165b JMF |
335 | except AudioConversionError as e: |
336 | raise PostProcessingError( | |
337 | 'audio conversion failed: ' + e.msg) | |
338 | except Exception: | |
339 | raise PostProcessingError('error running ' + self.basename) | |
496c1923 PH |
340 | |
341 | # Try to update the date time for extracted audio file. | |
342 | if information.get('filetime') is not None: | |
dd29eb7f S |
343 | self.try_utime( |
344 | new_path, time.time(), information['filetime'], | |
345 | errnote='Cannot update utime of audio file') | |
496c1923 | 346 | |
592e97e8 | 347 | return [path], information |
496c1923 PH |
348 | |
349 | ||
4f026faf | 350 | class FFmpegVideoConvertorPP(FFmpegPostProcessor): |
5f6a1245 | 351 | def __init__(self, downloader=None, preferedformat=None): |
4f026faf | 352 | super(FFmpegVideoConvertorPP, self).__init__(downloader) |
5f6a1245 | 353 | self._preferedformat = preferedformat |
496c1923 PH |
354 | |
355 | def run(self, information): | |
356 | path = information['filepath'] | |
496c1923 | 357 | if information['ext'] == self._preferedformat: |
3aa578ca | 358 | self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat)) |
592e97e8 | 359 | return [], information |
15006fed S |
360 | options = [] |
361 | if self._preferedformat == 'avi': | |
362 | options.extend(['-c:v', 'libxvid', '-vtag', 'XVID']) | |
363 | prefix, sep, ext = path.rpartition('.') | |
364 | outpath = prefix + sep + self._preferedformat | |
3aa578ca | 365 | self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath) |
d84f1d14 | 366 | self.run_ffmpeg(path, outpath, options) |
496c1923 PH |
367 | information['filepath'] = outpath |
368 | information['format'] = self._preferedformat | |
f72b0a60 | 369 | information['ext'] = self._preferedformat |
592e97e8 | 370 | return [path], information |
496c1923 PH |
371 | |
372 | ||
373 | class FFmpegEmbedSubtitlePP(FFmpegPostProcessor): | |
496c1923 | 374 | def run(self, information): |
40025ee2 S |
375 | if information['ext'] not in ('mp4', 'webm', 'mkv'): |
376 | self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4, webm or mkv files') | |
592e97e8 | 377 | return [], information |
c84dd8a9 JMF |
378 | subtitles = information.get('requested_subtitles') |
379 | if not subtitles: | |
3aa578ca | 380 | self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed') |
592e97e8 | 381 | return [], information |
496c1923 | 382 | |
496c1923 | 383 | filename = information['filepath'] |
40025ee2 S |
384 | |
385 | ext = information['ext'] | |
386 | sub_langs = [] | |
387 | sub_filenames = [] | |
388 | webm_vtt_warn = False | |
389 | ||
390 | for lang, sub_info in subtitles.items(): | |
391 | sub_ext = sub_info['ext'] | |
392 | if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt': | |
393 | sub_langs.append(lang) | |
394 | sub_filenames.append(subtitles_filename(filename, lang, sub_ext)) | |
395 | else: | |
396 | if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt': | |
397 | webm_vtt_warn = True | |
398 | self._downloader.to_screen('[ffmpeg] Only WebVTT subtitles can be embedded in webm files') | |
399 | ||
400 | if not sub_langs: | |
401 | return [], information | |
402 | ||
14523ed9 | 403 | input_files = [filename] + sub_filenames |
496c1923 | 404 | |
e205db3b | 405 | opts = [ |
23495d6a YCH |
406 | '-map', '0', |
407 | '-c', 'copy', | |
e205db3b JMF |
408 | # Don't copy the existing subtitles, we may be running the |
409 | # postprocessor a second time | |
410 | '-map', '-0:s', | |
7f903dd8 T |
411 | # Don't copy Apple TV chapters track, bin_data (see #19042, #19024, |
412 | # https://trac.ffmpeg.org/ticket/6016) | |
413 | '-map', '-0:d', | |
e205db3b | 414 | ] |
083c1bb9 N |
415 | if information['ext'] == 'mp4': |
416 | opts += ['-c:s', 'mov_text'] | |
496c1923 | 417 | for (i, lang) in enumerate(sub_langs): |
2875cf01 | 418 | opts.extend(['-map', '%d:0' % (i + 1)]) |
04fb6928 S |
419 | lang_code = ISO639Utils.short2long(lang) or lang |
420 | opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code]) | |
496c1923 | 421 | |
2875cf01 | 422 | temp_filename = prepend_extension(filename, 'temp') |
3aa578ca | 423 | self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename) |
496c1923 PH |
424 | self.run_ffmpeg_multiple_files(input_files, temp_filename, opts) |
425 | os.remove(encodeFilename(filename)) | |
426 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
427 | ||
14523ed9 | 428 | return sub_filenames, information |
496c1923 PH |
429 | |
430 | ||
431 | class FFmpegMetadataPP(FFmpegPostProcessor): | |
432 | def run(self, info): | |
433 | metadata = {} | |
4bd143a3 S |
434 | |
435 | def add(meta_list, info_list=None): | |
436 | if not info_list: | |
437 | info_list = meta_list | |
438 | if not isinstance(meta_list, (list, tuple)): | |
439 | meta_list = (meta_list,) | |
440 | if not isinstance(info_list, (list, tuple)): | |
441 | info_list = (info_list,) | |
442 | for info_f in info_list: | |
443 | if info.get(info_f) is not None: | |
444 | for meta_f in meta_list: | |
445 | metadata[meta_f] = info[info_f] | |
446 | break | |
447 | ||
448 | add('title', ('track', 'title')) | |
449 | add('date', 'upload_date') | |
450 | add(('description', 'comment'), 'description') | |
451 | add('purl', 'webpage_url') | |
452 | add('track', 'track_number') | |
453 | add('artist', ('artist', 'creator', 'uploader', 'uploader_id')) | |
454 | add('genre') | |
455 | add('album') | |
456 | add('album_artist') | |
457 | add('disc', 'disc_number') | |
496c1923 PH |
458 | |
459 | if not metadata: | |
3aa578ca | 460 | self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') |
592e97e8 | 461 | return [], info |
496c1923 PH |
462 | |
463 | filename = info['filepath'] | |
464 | temp_filename = prepend_extension(filename, 'temp') | |
fa2a36d9 | 465 | in_filenames = [filename] |
466 | options = [] | |
496c1923 | 467 | |
3aa578ca | 468 | if info['ext'] == 'm4a': |
fa2a36d9 | 469 | options.extend(['-vn', '-acodec', 'copy']) |
39c68260 | 470 | else: |
fa2a36d9 | 471 | options.extend(['-c', 'copy']) |
39c68260 | 472 | |
496c1923 PH |
473 | for (name, value) in metadata.items(): |
474 | options.extend(['-metadata', '%s=%s' % (name, value)]) | |
475 | ||
fa2a36d9 | 476 | chapters = info.get('chapters', []) |
477 | if chapters: | |
5192ee17 | 478 | metadata_filename = replace_extension(filename, 'meta') |
fa2a36d9 | 479 | with io.open(metadata_filename, 'wt', encoding='utf-8') as f: |
480 | def ffmpeg_escape(text): | |
481 | return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text) | |
482 | ||
483 | metadata_file_content = ';FFMETADATA1\n' | |
484 | for chapter in chapters: | |
485 | metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n' | |
486 | metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000) | |
487 | metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000) | |
488 | chapter_title = chapter.get('title') | |
489 | if chapter_title: | |
490 | metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title) | |
491 | f.write(metadata_file_content) | |
492 | in_filenames.append(metadata_filename) | |
493 | options.extend(['-map_metadata', '1']) | |
494 | ||
3aa578ca | 495 | self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename) |
fa2a36d9 | 496 | self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options) |
497 | if chapters: | |
498 | os.remove(metadata_filename) | |
496c1923 PH |
499 | os.remove(encodeFilename(filename)) |
500 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
592e97e8 | 501 | return [], info |
496c1923 PH |
502 | |
503 | ||
504 | class FFmpegMergerPP(FFmpegPostProcessor): | |
505 | def run(self, info): | |
506 | filename = info['filepath'] | |
5b5fbc08 | 507 | temp_filename = prepend_extension(filename, 'temp') |
bc3e582f | 508 | args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0'] |
3aa578ca | 509 | self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename) |
5b5fbc08 JMF |
510 | self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args) |
511 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
d47aeb22 | 512 | return info['__files_to_merge'], info |
496c1923 | 513 | |
13763ce5 S |
514 | def can_merge(self): |
515 | # TODO: figure out merge-capable ffmpeg version | |
516 | if self.basename != 'avconv': | |
517 | return True | |
518 | ||
519 | required_version = '10-0' | |
520 | if is_outdated_version( | |
521 | self._versions[self.basename], required_version): | |
522 | warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, ' | |
523 | 'youtube-dl will download single file media. ' | |
524 | 'Update %s to version %s or newer to fix this.') % ( | |
525 | self.basename, self.basename, required_version) | |
526 | if self._downloader: | |
527 | self._downloader.report_warning(warning) | |
528 | return False | |
529 | return True | |
530 | ||
0c14e2fb | 531 | |
6271f1ca PH |
532 | class FFmpegFixupStretchedPP(FFmpegPostProcessor): |
533 | def run(self, info): | |
534 | stretched_ratio = info.get('stretched_ratio') | |
535 | if stretched_ratio is None or stretched_ratio == 1: | |
592e97e8 | 536 | return [], info |
6271f1ca PH |
537 | |
538 | filename = info['filepath'] | |
539 | temp_filename = prepend_extension(filename, 'temp') | |
540 | ||
541 | options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio] | |
542 | self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename) | |
543 | self.run_ffmpeg(filename, temp_filename, options) | |
544 | ||
545 | os.remove(encodeFilename(filename)) | |
546 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
547 | ||
592e97e8 | 548 | return [], info |
62cd676c PH |
549 | |
550 | ||
551 | class FFmpegFixupM4aPP(FFmpegPostProcessor): | |
552 | def run(self, info): | |
553 | if info.get('container') != 'm4a_dash': | |
592e97e8 | 554 | return [], info |
62cd676c PH |
555 | |
556 | filename = info['filepath'] | |
557 | temp_filename = prepend_extension(filename, 'temp') | |
558 | ||
559 | options = ['-c', 'copy', '-f', 'mp4'] | |
560 | self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename) | |
561 | self.run_ffmpeg(filename, temp_filename, options) | |
562 | ||
563 | os.remove(encodeFilename(filename)) | |
564 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
565 | ||
592e97e8 | 566 | return [], info |
e9fade72 JMF |
567 | |
568 | ||
f17f8651 | 569 | class FFmpegFixupM3u8PP(FFmpegPostProcessor): |
570 | def run(self, info): | |
571 | filename = info['filepath'] | |
30d9e209 RA |
572 | if self.get_audio_codec(filename) == 'aac': |
573 | temp_filename = prepend_extension(filename, 'temp') | |
f17f8651 | 574 | |
30d9e209 | 575 | options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'] |
a02682fd | 576 | self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename) |
30d9e209 | 577 | self.run_ffmpeg(filename, temp_filename, options) |
f17f8651 | 578 | |
30d9e209 RA |
579 | os.remove(encodeFilename(filename)) |
580 | os.rename(encodeFilename(temp_filename), encodeFilename(filename)) | |
f17f8651 | 581 | return [], info |
582 | ||
583 | ||
e9fade72 JMF |
584 | class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor): |
585 | def __init__(self, downloader=None, format=None): | |
586 | super(FFmpegSubtitlesConvertorPP, self).__init__(downloader) | |
587 | self.format = format | |
588 | ||
589 | def run(self, info): | |
590 | subs = info.get('requested_subtitles') | |
591 | filename = info['filepath'] | |
592 | new_ext = self.format | |
593 | new_format = new_ext | |
594 | if new_format == 'vtt': | |
595 | new_format = 'webvtt' | |
596 | if subs is None: | |
597 | self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to convert') | |
592e97e8 | 598 | return [], info |
e9fade72 | 599 | self._downloader.to_screen('[ffmpeg] Converting subtitles') |
e04398e3 | 600 | sub_filenames = [] |
e9fade72 JMF |
601 | for lang, sub in subs.items(): |
602 | ext = sub['ext'] | |
603 | if ext == new_ext: | |
604 | self._downloader.to_screen( | |
0f57447d | 605 | '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext) |
e9fade72 | 606 | continue |
e04398e3 JMF |
607 | old_file = subtitles_filename(filename, lang, ext) |
608 | sub_filenames.append(old_file) | |
e9fade72 | 609 | new_file = subtitles_filename(filename, lang, new_ext) |
bf6427d2 | 610 | |
40fcba5e | 611 | if ext in ('dfxp', 'ttml', 'tt'): |
bf6427d2 YCH |
612 | self._downloader.report_warning( |
613 | 'You have requested to convert dfxp (TTML) subtitles into another format, ' | |
614 | 'which results in style information loss') | |
615 | ||
e04398e3 | 616 | dfxp_file = old_file |
bf6427d2 YCH |
617 | srt_file = subtitles_filename(filename, lang, 'srt') |
618 | ||
3869028f | 619 | with open(dfxp_file, 'rb') as f: |
bf6427d2 YCH |
620 | srt_data = dfxp2srt(f.read()) |
621 | ||
622 | with io.open(srt_file, 'wt', encoding='utf-8') as f: | |
623 | f.write(srt_data) | |
7e62c2eb | 624 | old_file = srt_file |
bf6427d2 | 625 | |
bf6427d2 YCH |
626 | subs[lang] = { |
627 | 'ext': 'srt', | |
628 | 'data': srt_data | |
629 | } | |
630 | ||
631 | if new_ext == 'srt': | |
632 | continue | |
7b8b007c JMF |
633 | else: |
634 | sub_filenames.append(srt_file) | |
bf6427d2 | 635 | |
e04398e3 | 636 | self.run_ffmpeg(old_file, new_file, ['-f', new_format]) |
e9fade72 JMF |
637 | |
638 | with io.open(new_file, 'rt', encoding='utf-8') as f: | |
639 | subs[lang] = { | |
3547d265 | 640 | 'ext': new_ext, |
e9fade72 JMF |
641 | 'data': f.read(), |
642 | } | |
643 | ||
e04398e3 | 644 | return sub_filenames, info |