10 from .common
import PostProcessor
11 from ..compat
import functools
, imghdr
17 _get_exe_version_output
,
36 EXT_TO_OUT_FORMATS
= {
50 # name: (ext, encoder, opts)
51 'mp3': ('mp3', 'libmp3lame', ()),
52 'aac': ('m4a', 'aac', ('-f', 'adts')),
53 'm4a': ('m4a', 'aac', ('-bsf:a', 'aac_adtstoasc')),
54 'opus': ('opus', 'libopus', ()),
55 'vorbis': ('ogg', 'libvorbis', ()),
56 'flac': ('flac', 'flac', ()),
57 'alac': ('m4a', None, ('-acodec', 'alac')),
58 'wav': ('wav', None, ('-f', 'wav')),
62 def create_mapping_re(supported
):
63 return re
.compile(r
'{0}(?:/{0})*$'.format(r
'(?:\s*\w+\s*>)?\s*(?:%s)\s*' % '|'.join(supported
)))
66 def resolve_mapping(source
, mapping
):
68 Get corresponding item from a mapping string like 'A>B/C>D/E'
69 @returns (target, error_message)
71 for pair
in mapping
.lower().split('/'):
72 kv
= pair
.split('>', 1)
73 if len(kv
) == 1 or kv
[0].strip() == source
:
74 target
= kv
[-1].strip()
76 return target
, f
'already is in target format {source}'
78 return None, f
'could not find a mapping for {source}'
81 class FFmpegPostProcessorError(PostProcessingError
):
85 class FFmpegPostProcessor(PostProcessor
):
86 _ffmpeg_location
= contextvars
.ContextVar('ffmpeg_location', default
=None)
88 def __init__(self
, downloader
=None):
89 PostProcessor
.__init
__(self
, downloader
)
90 self
._prefer
_ffmpeg
= self
.get_param('prefer_ffmpeg', True)
91 self
._paths
= self
._determine
_executables
()
94 def get_versions_and_features(downloader
=None):
95 pp
= FFmpegPostProcessor(downloader
)
96 return pp
._versions
, pp
._features
99 def get_versions(downloader
=None):
100 return FFmpegPostProcessor
.get_versions_and_features(downloader
)[0]
102 _ffmpeg_to_avconv
= {'ffmpeg': 'avconv', 'ffprobe': 'avprobe'}
104 def _determine_executables(self
):
105 programs
= [*self
._ffmpeg
_to
_avconv
.keys(), *self
._ffmpeg
_to
_avconv
.values()]
107 location
= self
.get_param('ffmpeg_location', self
._ffmpeg
_location
.get())
109 return {p: p for p in programs}
111 if not os
.path
.exists(location
):
113 f
'ffmpeg-location {location} does not exist! Continuing without ffmpeg', only_once
=True)
115 elif os
.path
.isdir(location
):
116 dirname
, basename
, filename
= location
, None, None
118 filename
= os
.path
.basename(location
)
119 basename
= next((p
for p
in programs
if p
in filename
), 'ffmpeg')
120 dirname
= os
.path
.dirname(os
.path
.abspath(location
))
121 if basename
in self
._ffmpeg
_to
_avconv
.keys():
122 self
._prefer
_ffmpeg
= True
124 paths
= {p: os.path.join(dirname, p) for p in programs}
125 if basename
and basename
in filename
:
127 path
= os
.path
.join(dirname
, filename
.replace(basename
, p
))
128 if os
.path
.exists(path
):
131 paths
[basename
] = location
134 _version_cache
, _features_cache
= {None: None}
, {}
136 def _get_ffmpeg_version(self
, prog
):
137 path
= self
._paths
.get(prog
)
138 if path
in self
._version
_cache
:
139 return self
._version
_cache
[path
], self
._features
_cache
.get(path
, {})
140 out
= _get_exe_version_output(path
, ['-bsfs'], to_screen
=self
.write_debug
)
141 ver
= detect_exe_version(out
) if out
else False
144 r
'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1]
145 r
'n([0-9.]+)$', # Arch Linux
146 # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/
149 mobj
= re
.match(regex
, ver
)
152 self
._version
_cache
[path
] = ver
153 if prog
!= 'ffmpeg' or not out
:
156 mobj
= re
.search(r
'(?m)^\s+libavformat\s+(?:[0-9. ]+)\s+/\s+(?P<runtime>[0-9. ]+)', out
)
157 lavf_runtime_version
= mobj
.group('runtime').replace(' ', '') if mobj
else None
158 self
._features
_cache
[path
] = features
= {
159 'fdk': '--enable-libfdk-aac' in out
,
160 'setts': 'setts' in out
.splitlines(),
161 'needs_adtstoasc': is_outdated_version(lavf_runtime_version
, '57.56.100', False),
167 return filter_dict({self.basename: self._version, self.probe_basename: self._probe_version}
)
169 @functools.cached_property
171 self
._version
# run property
174 @functools.cached_property
175 def probe_basename(self
):
176 self
._probe
_version
# run property
177 return self
.probe_basename
179 def _get_version(self
, kind
):
180 executables
= (kind
, )
181 if not self
._prefer
_ffmpeg
:
182 executables
= (kind
, self
._ffmpeg
_to
_avconv
[kind
])
183 basename
, version
, features
= next(filter(
184 lambda x
: x
[1], ((p
, *self
._get
_ffmpeg
_version
(p
)) for p
in executables
)), (None, None, {}))
186 self
.basename
, self
._features
= basename
, features
188 self
.probe_basename
= basename
189 if basename
== self
._ffmpeg
_to
_avconv
[kind
]:
190 self
.deprecated_feature(f
'Support for {self._ffmpeg_to_avconv[kind]} is deprecated and '
191 f
'may be removed in a future version. Use {kind} instead')
194 @functools.cached_property
196 return self
._get
_version
('ffmpeg')
198 @functools.cached_property
199 def _probe_version(self
):
200 return self
._get
_version
('ffprobe')
204 return self
.basename
is not None
207 def executable(self
):
208 return self
._paths
.get(self
.basename
)
211 def probe_available(self
):
212 return self
.probe_basename
is not None
215 def probe_executable(self
):
216 return self
._paths
.get(self
.probe_basename
)
219 def stream_copy_opts(copy
=True, *, ext
=None):
220 yield from ('-map', '0')
221 # Don't copy Apple TV chapters track, bin_data
222 # See https://github.com/yt-dlp/yt-dlp/issues/2, #19042, #19024, https://trac.ffmpeg.org/ticket/6016
223 yield from ('-dn', '-ignore_unknown')
225 yield from ('-c', 'copy')
226 if ext
in ('mp4', 'mov', 'm4a'):
227 yield from ('-c:s', 'mov_text')
229 def check_version(self
):
230 if not self
.available
:
231 raise FFmpegPostProcessorError('ffmpeg not found. Please install or provide the path using --ffmpeg-location')
233 required_version
= '10-0' if self
.basename
== 'avconv' else '1.0'
234 if is_outdated_version(self
._version
, required_version
):
235 self
.report_warning(f
'Your copy of {self.basename} is outdated, update {self.basename} '
236 f
'to version {required_version} or newer if you encounter any errors')
238 def get_audio_codec(self
, path
):
239 if not self
.probe_available
and not self
.available
:
240 raise PostProcessingError('ffprobe and ffmpeg not found. Please install or provide the path using --ffmpeg-location')
242 if self
.probe_available
:
244 encodeFilename(self
.probe_executable
, True),
245 encodeArgument('-show_streams')]
248 encodeFilename(self
.executable
, True),
249 encodeArgument('-i')]
250 cmd
.append(encodeFilename(self
._ffmpeg
_filename
_argument
(path
), True))
251 self
.write_debug(f
'{self.basename} command line: {shell_quote(cmd)}')
252 stdout
, stderr
, returncode
= Popen
.run(
253 cmd
, text
=True, stdin
=subprocess
.PIPE
, stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
)
254 if returncode
!= (0 if self
.probe_available
else 1):
258 output
= stdout
if self
.probe_available
else stderr
259 if self
.probe_available
:
261 for line
in output
.split('\n'):
262 if line
.startswith('codec_name='):
263 audio_codec
= line
.split('=')[1].strip()
264 elif line
.strip() == 'codec_type=audio' and audio_codec
is not None:
267 # Stream #FILE_INDEX:STREAM_INDEX[STREAM_ID](LANGUAGE): CODEC_TYPE: CODEC_NAME
269 r
'Stream\s*#\d+:\d+(?:\[0x[0-9a-f]+\])?(?:\([a-z]{3}\))?:\s*Audio:\s*([0-9a-z]+)',
275 def get_metadata_object(self
, path
, opts
=[]):
276 if self
.probe_basename
!= 'ffprobe':
277 if self
.probe_available
:
278 self
.report_warning('Only ffprobe is supported for metadata extraction')
279 raise PostProcessingError('ffprobe not found. Please install or provide the path using --ffmpeg-location')
283 encodeFilename(self
.probe_executable
, True),
284 encodeArgument('-hide_banner'),
285 encodeArgument('-show_format'),
286 encodeArgument('-show_streams'),
287 encodeArgument('-print_format'),
288 encodeArgument('json'),
292 cmd
.append(self
._ffmpeg
_filename
_argument
(path
))
293 self
.write_debug(f
'ffprobe command line: {shell_quote(cmd)}')
294 stdout
, _
, _
= Popen
.run(cmd
, text
=True, stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
, stdin
=subprocess
.PIPE
)
295 return json
.loads(stdout
)
297 def get_stream_number(self
, path
, keys
, value
):
298 streams
= self
.get_metadata_object(path
)['streams']
300 (i
for i
, stream
in enumerate(streams
) if traverse_obj(stream
, keys
, casesense
=False) == value
),
302 return num
, len(streams
)
304 def _get_real_video_duration(self
, filepath
, fatal
=True):
306 duration
= float_or_none(
307 traverse_obj(self
.get_metadata_object(filepath
), ('format', 'duration')))
309 raise PostProcessingError('ffprobe returned empty duration')
311 except PostProcessingError
as e
:
313 raise PostProcessingError(f
'Unable to determine video duration: {e.msg}')
315 def _duration_mismatch(self
, d1
, d2
, tolerance
=2):
318 # The duration is often only known to nearest second. So there can be <1sec disparity natually.
319 # Further excuse an additional <1sec difference.
320 return abs(d1
- d2
) > tolerance
322 def run_ffmpeg_multiple_files(self
, input_paths
, out_path
, opts
, **kwargs
):
323 return self
.real_run_ffmpeg(
324 [(path
, []) for path
in input_paths
],
325 [(out_path
, opts
)], **kwargs
)
327 def real_run_ffmpeg(self
, input_path_opts
, output_path_opts
, *, expected_retcodes
=(0,)):
331 os
.stat(encodeFilename(path
)).st_mtime
for path
, _
in input_path_opts
if path
)
333 cmd
= [encodeFilename(self
.executable
, True), encodeArgument('-y')]
334 # avconv does not have repeat option
335 if self
.basename
== 'ffmpeg':
336 cmd
+= [encodeArgument('-loglevel'), encodeArgument('repeat+info')]
338 def make_args(file, args
, name
, number
):
339 keys
= ['_%s%d' % (name
, number
), '_%s' % name
]
341 args
+= ['-movflags', '+faststart']
344 args
+= self
._configuration
_args
(self
.basename
, keys
)
348 [encodeArgument(arg
) for arg
in args
]
349 + [encodeFilename(self
._ffmpeg
_filename
_argument
(file), True)])
351 for arg_type
, path_opts
in (('i', input_path_opts
), ('o', output_path_opts
)):
352 cmd
+= itertools
.chain
.from_iterable(
353 make_args(path
, list(opts
), arg_type
, i
+ 1)
354 for i
, (path
, opts
) in enumerate(path_opts
) if path
)
356 self
.write_debug('ffmpeg command line: %s' % shell_quote(cmd
))
357 _
, stderr
, returncode
= Popen
.run(
358 cmd
, text
=True, stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
, stdin
=subprocess
.PIPE
)
359 if returncode
not in variadic(expected_retcodes
):
360 self
.write_debug(stderr
)
361 raise FFmpegPostProcessorError(stderr
.strip().splitlines()[-1])
362 for out_path
, _
in output_path_opts
:
364 self
.try_utime(out_path
, oldest_mtime
, oldest_mtime
)
367 def run_ffmpeg(self
, path
, out_path
, opts
, **kwargs
):
368 return self
.run_ffmpeg_multiple_files([path
], out_path
, opts
, **kwargs
)
371 def _ffmpeg_filename_argument(fn
):
372 # Always use 'file:' because the filename may contain ':' (ffmpeg
373 # interprets that as a protocol) or can start with '-' (-- is broken in
374 # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details)
375 # Also leave '-' intact in order not to break streaming to stdout.
376 if fn
.startswith(('http://', 'https://')):
378 return 'file:' + fn
if fn
!= '-' else fn
381 def _quote_for_ffmpeg(string
):
382 # See https://ffmpeg.org/ffmpeg-utils.html#toc-Quoting-and-escaping
383 # A sequence of '' produces '\'''\'';
384 # final replace removes the empty '' between \' \'.
385 string
= string
.replace("'", r
"'\''").replace("'''", "'")
386 # Handle potential ' at string boundaries.
387 string
= string
[1:] if string
[0] == "'" else "'" + string
388 return string
[:-1] if string
[-1] == "'" else string
+ "'"
390 def force_keyframes(self
, filename
, timestamps
):
391 timestamps
= orderedSet(timestamps
)
392 if timestamps
[0] == 0:
393 timestamps
= timestamps
[1:]
394 keyframe_file
= prepend_extension(filename
, 'keyframes.temp')
395 self
.to_screen(f
'Re-encoding "{filename}" with appropriate keyframes')
396 self
.run_ffmpeg(filename
, keyframe_file
, [
397 *self
.stream_copy_opts(False, ext
=determine_ext(filename
)),
398 '-force_key_frames', ','.join(f
'{t:.6f}' for t
in timestamps
)])
401 def concat_files(self
, in_files
, out_file
, concat_opts
=None):
403 Use concat demuxer to concatenate multiple files having identical streams.
405 Only inpoint, outpoint, and duration concat options are supported.
406 See https://ffmpeg.org/ffmpeg-formats.html#concat-1 for details
408 concat_file
= f
'{out_file}.concat'
409 self
.write_debug(f
'Writing concat spec to {concat_file}')
410 with open(concat_file
, 'wt', encoding
='utf-8') as f
:
411 f
.writelines(self
._concat
_spec
(in_files
, concat_opts
))
413 out_flags
= list(self
.stream_copy_opts(ext
=determine_ext(out_file
)))
415 self
.real_run_ffmpeg(
416 [(concat_file
, ['-hide_banner', '-nostdin', '-f', 'concat', '-safe', '0'])],
417 [(out_file
, out_flags
)])
418 self
._delete
_downloaded
_files
(concat_file
)
421 def _concat_spec(cls
, in_files
, concat_opts
=None):
422 if concat_opts
is None:
423 concat_opts
= [{}] * len(in_files
)
424 yield 'ffconcat version 1.0\n'
425 for file, opts
in zip(in_files
, concat_opts
):
426 yield f
'file {cls._quote_for_ffmpeg(cls._ffmpeg_filename_argument(file))}\n'
427 # Iterate explicitly to yield the following directives in order, ignoring the rest.
428 for directive
in 'inpoint', 'outpoint', 'duration':
429 if directive
in opts
:
430 yield f
'{directive} {opts[directive]}\n'
433 class FFmpegExtractAudioPP(FFmpegPostProcessor
):
434 COMMON_AUDIO_EXTS
= MEDIA_EXTENSIONS
.common_audio
+ ('wma', )
435 SUPPORTED_EXTS
= tuple(ACODECS
.keys())
436 FORMAT_RE
= create_mapping_re(('best', *SUPPORTED_EXTS
))
438 def __init__(self
, downloader
=None, preferredcodec
=None, preferredquality
=None, nopostoverwrites
=False):
439 FFmpegPostProcessor
.__init
__(self
, downloader
)
440 self
.mapping
= preferredcodec
or 'best'
441 self
._preferredquality
= float_or_none(preferredquality
)
442 self
._nopostoverwrites
= nopostoverwrites
444 def _quality_args(self
, codec
):
445 if self
._preferredquality
is None:
447 elif self
._preferredquality
> 10:
448 return ['-b:a', f
'{self._preferredquality}k']
451 'libmp3lame': (10, 0),
452 'libvorbis': (0, 10),
453 # FFmpeg's AAC encoder does not have an upper limit for the value of -q:a.
454 # Experimentally, with values over 4, bitrate changes were minimal or non-existent
456 'libfdk_aac': (1, 5),
461 q
= limits
[1] + (limits
[0] - limits
[1]) * (self
._preferredquality
/ 10)
462 if codec
== 'libfdk_aac':
463 return ['-vbr', f
'{int(q)}']
464 return ['-q:a', f
'{q}']
466 def run_ffmpeg(self
, path
, out_path
, codec
, more_opts
):
470 acodec_opts
= ['-acodec', codec
]
471 opts
= ['-vn'] + acodec_opts
+ more_opts
473 FFmpegPostProcessor
.run_ffmpeg(self
, path
, out_path
, opts
)
474 except FFmpegPostProcessorError
as err
:
475 raise PostProcessingError(f
'audio conversion failed: {err.msg}')
477 @PostProcessor._restrict_to(images
=False)
478 def run(self
, information
):
479 orig_path
= path
= information
['filepath']
480 target_format
, _skip_msg
= resolve_mapping(information
['ext'], self
.mapping
)
481 if target_format
== 'best' and information
['ext'] in self
.COMMON_AUDIO_EXTS
:
482 target_format
, _skip_msg
= None, 'the file is already in a common audio format'
483 if not target_format
:
484 self
.to_screen(f
'Not converting audio {orig_path}; {_skip_msg}')
485 return [], information
487 filecodec
= self
.get_audio_codec(path
)
488 if filecodec
is None:
489 raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')
491 if filecodec
== 'aac' and target_format
in ('m4a', 'best'):
492 # Lossless, but in another container
493 extension
, _
, more_opts
, acodec
= *ACODECS
['m4a'], 'copy'
494 elif target_format
== 'best' or target_format
== filecodec
:
495 # Lossless if possible
497 extension
, _
, more_opts
, acodec
= *ACODECS
[filecodec
], 'copy'
499 extension
, acodec
, more_opts
= ACODECS
['mp3']
501 # We convert the audio (lossy if codec is lossy)
502 extension
, acodec
, more_opts
= ACODECS
[target_format
]
503 if acodec
== 'aac' and self
._features
.get('fdk'):
504 acodec
, more_opts
= 'libfdk_aac', []
506 more_opts
= list(more_opts
)
508 more_opts
= self
._quality
_args
(acodec
)
510 # not os.path.splitext, since the latter does not work on unicode in all setups
511 temp_path
= new_path
= f
'{path.rpartition(".")[0]}.{extension}'
515 self
.to_screen(f
'Not converting audio {orig_path}; file is already in target format {target_format}')
516 return [], information
517 orig_path
= prepend_extension(path
, 'orig')
518 temp_path
= prepend_extension(path
, 'temp')
519 if (self
._nopostoverwrites
and os
.path
.exists(encodeFilename(new_path
))
520 and os
.path
.exists(encodeFilename(orig_path
))):
521 self
.to_screen('Post-process file %s exists, skipping' % new_path
)
522 return [], information
524 self
.to_screen(f
'Destination: {new_path}')
525 self
.run_ffmpeg(path
, temp_path
, acodec
, more_opts
)
527 os
.replace(path
, orig_path
)
528 os
.replace(temp_path
, new_path
)
529 information
['filepath'] = new_path
530 information
['ext'] = extension
532 # Try to update the date time for extracted audio file.
533 if information
.get('filetime') is not None:
535 new_path
, time
.time(), information
['filetime'], errnote
='Cannot update utime of audio file')
537 return [orig_path
], information
540 class FFmpegVideoConvertorPP(FFmpegPostProcessor
):
541 SUPPORTED_EXTS
= (*MEDIA_EXTENSIONS
.common_video
, *sorted(MEDIA_EXTENSIONS
.common_audio
+ ('aac', 'vorbis')))
542 FORMAT_RE
= create_mapping_re(SUPPORTED_EXTS
)
543 _ACTION
= 'converting'
545 def __init__(self
, downloader
=None, preferedformat
=None):
546 super().__init
__(downloader
)
547 self
.mapping
= preferedformat
550 def _options(target_ext
):
551 yield from FFmpegPostProcessor
.stream_copy_opts(False)
552 if target_ext
== 'avi':
553 yield from ('-c:v', 'libxvid', '-vtag', 'XVID')
555 @PostProcessor._restrict_to(images
=False)
557 filename
, source_ext
= info
['filepath'], info
['ext'].lower()
558 target_ext
, _skip_msg
= resolve_mapping(source_ext
, self
.mapping
)
560 self
.to_screen(f
'Not {self._ACTION} media file "{filename}"; {_skip_msg}')
563 outpath
= replace_extension(filename
, target_ext
, source_ext
)
564 self
.to_screen(f
'{self._ACTION.title()} video from {source_ext} to {target_ext}; Destination: {outpath}')
565 self
.run_ffmpeg(filename
, outpath
, self
._options
(target_ext
))
567 info
['filepath'] = outpath
568 info
['format'] = info
['ext'] = target_ext
569 return [filename
], info
572 class FFmpegVideoRemuxerPP(FFmpegVideoConvertorPP
):
576 def _options(target_ext
):
577 return FFmpegPostProcessor
.stream_copy_opts()
580 class FFmpegEmbedSubtitlePP(FFmpegPostProcessor
):
581 SUPPORTED_EXTS
= ('mp4', 'mov', 'm4a', 'webm', 'mkv', 'mka')
583 def __init__(self
, downloader
=None, already_have_subtitle
=False):
584 super().__init
__(downloader
)
585 self
._already
_have
_subtitle
= already_have_subtitle
587 @PostProcessor._restrict_to(images
=False)
589 if info
['ext'] not in self
.SUPPORTED_EXTS
:
590 self
.to_screen(f
'Subtitles can only be embedded in {", ".join(self.SUPPORTED_EXTS)} files')
592 subtitles
= info
.get('requested_subtitles')
594 self
.to_screen('There aren\'t any subtitles to embed')
597 filename
= info
['filepath']
599 # Disabled temporarily. There needs to be a way to override this
600 # in case of duration actually mismatching in extractor
601 # See: https://github.com/yt-dlp/yt-dlp/issues/1870, https://github.com/yt-dlp/yt-dlp/issues/1385
603 if info.get('duration') and not info.get('__real_download') and self._duration_mismatch(
604 self._get_real_video_duration(filename, False), info['duration']):
605 self.to_screen(f'Skipping {self.pp_key()} since the real and expected durations mismatch')
610 sub_langs
, sub_names
, sub_filenames
= [], [], []
611 webm_vtt_warn
= False
614 for lang
, sub_info
in subtitles
.items():
615 if not os
.path
.exists(sub_info
.get('filepath', '')):
616 self
.report_warning(f
'Skipping embedding {lang} subtitle because the file is missing')
618 sub_ext
= sub_info
['ext']
619 if sub_ext
== 'json':
620 self
.report_warning('JSON subtitles cannot be embedded')
621 elif ext
!= 'webm' or ext
== 'webm' and sub_ext
== 'vtt':
622 sub_langs
.append(lang
)
623 sub_names
.append(sub_info
.get('name'))
624 sub_filenames
.append(sub_info
['filepath'])
626 if not webm_vtt_warn
and ext
== 'webm' and sub_ext
!= 'vtt':
628 self
.report_warning('Only WebVTT subtitles can be embedded in webm files')
629 if not mp4_ass_warn
and ext
== 'mp4' and sub_ext
== 'ass':
631 self
.report_warning('ASS subtitles cannot be properly embedded in mp4 files; expect issues')
636 input_files
= [filename
] + sub_filenames
639 *self
.stream_copy_opts(ext
=info
['ext']),
640 # Don't copy the existing subtitles, we may be running the
641 # postprocessor a second time
644 for i
, (lang
, name
) in enumerate(zip(sub_langs
, sub_names
)):
645 opts
.extend(['-map', '%d:0' % (i
+ 1)])
646 lang_code
= ISO639Utils
.short2long(lang
) or lang
647 opts
.extend(['-metadata:s:s:%d' % i
, 'language=%s' % lang_code
])
649 opts
.extend(['-metadata:s:s:%d' % i
, 'handler_name=%s' % name
,
650 '-metadata:s:s:%d' % i
, 'title=%s' % name
])
652 temp_filename
= prepend_extension(filename
, 'temp')
653 self
.to_screen('Embedding subtitles in "%s"' % filename
)
654 self
.run_ffmpeg_multiple_files(input_files
, temp_filename
, opts
)
655 os
.replace(temp_filename
, filename
)
657 files_to_delete
= [] if self
._already
_have
_subtitle
else sub_filenames
658 return files_to_delete
, info
661 class FFmpegMetadataPP(FFmpegPostProcessor
):
663 def __init__(self
, downloader
, add_metadata
=True, add_chapters
=True, add_infojson
='if_exists'):
664 FFmpegPostProcessor
.__init
__(self
, downloader
)
665 self
._add
_metadata
= add_metadata
666 self
._add
_chapters
= add_chapters
667 self
._add
_infojson
= add_infojson
670 def _options(target_ext
):
671 audio_only
= target_ext
== 'm4a'
672 yield from FFmpegPostProcessor
.stream_copy_opts(not audio_only
)
674 yield from ('-vn', '-acodec', 'copy')
676 @PostProcessor._restrict_to(images
=False)
678 filename
, metadata_filename
= info
['filepath'], None
679 files_to_delete
, options
= [], []
680 if self
._add
_chapters
and info
.get('chapters'):
681 metadata_filename
= replace_extension(filename
, 'meta')
682 options
.extend(self
._get
_chapter
_opts
(info
['chapters'], metadata_filename
))
683 files_to_delete
.append(metadata_filename
)
684 if self
._add
_metadata
:
685 options
.extend(self
._get
_metadata
_opts
(info
))
687 if self
._add
_infojson
:
688 if info
['ext'] in ('mkv', 'mka'):
689 infojson_filename
= info
.get('infojson_filename')
690 options
.extend(self
._get
_infojson
_opts
(info
, infojson_filename
))
691 if not infojson_filename
:
692 files_to_delete
.append(info
.get('infojson_filename'))
693 elif self
._add
_infojson
is True:
694 self
.to_screen('The info-json can only be attached to mkv/mka files')
697 self
.to_screen('There isn\'t any metadata to add')
700 temp_filename
= prepend_extension(filename
, 'temp')
701 self
.to_screen('Adding metadata to "%s"' % filename
)
702 self
.run_ffmpeg_multiple_files(
703 (filename
, metadata_filename
), temp_filename
,
704 itertools
.chain(self
._options
(info
['ext']), *options
))
705 self
._delete
_downloaded
_files
(*files_to_delete
)
706 os
.replace(temp_filename
, filename
)
710 def _get_chapter_opts(chapters
, metadata_filename
):
711 with open(metadata_filename
, 'wt', encoding
='utf-8') as f
:
712 def ffmpeg_escape(text
):
713 return re
.sub(r
'([\\=;#\n])', r
'\\\1', text
)
715 metadata_file_content
= ';FFMETADATA1\n'
716 for chapter
in chapters
:
717 metadata_file_content
+= '[CHAPTER]\nTIMEBASE=1/1000\n'
718 metadata_file_content
+= 'START=%d\n' % (chapter
['start_time'] * 1000)
719 metadata_file_content
+= 'END=%d\n' % (chapter
['end_time'] * 1000)
720 chapter_title
= chapter
.get('title')
722 metadata_file_content
+= 'title=%s\n' % ffmpeg_escape(chapter_title
)
723 f
.write(metadata_file_content
)
724 yield ('-map_metadata', '1')
726 def _get_metadata_opts(self
, info
):
728 metadata
= collections
.defaultdict(dict)
730 def add(meta_list
, info_list
=None):
732 str(info
[key
]) for key
in [f
'{meta_prefix}_'] + list(variadic(info_list
or meta_list
))
733 if info
.get(key
) is not None), None)
734 if value
not in ('', None):
735 value
= value
.replace('\0', '') # nul character cannot be passed in command line
736 metadata
['common'].update({meta_f: value for meta_f in variadic(meta_list)}
)
738 # Info on media metadata/metadata supported by ffmpeg:
739 # https://wiki.multimedia.cx/index.php/FFmpeg_Metadata
740 # https://kdenlive.org/en/project/adding-meta-data-to-mp4-video/
741 # https://kodi.wiki/view/Video_file_tagging
743 add('title', ('track', 'title'))
744 add('date', 'upload_date')
745 add(('description', 'synopsis'), 'description')
746 add(('purl', 'comment'), 'webpage_url')
747 add('track', 'track_number')
748 add('artist', ('artist', 'creator', 'uploader', 'uploader_id'))
752 add('disc', 'disc_number')
753 add('show', 'series')
755 add('episode_id', ('episode', 'episode_id'))
756 add('episode_sort', 'episode_number')
757 if 'embed-metadata' in self
.get_param('compat_opts', []):
758 add('comment', 'description')
759 metadata
['common'].pop('synopsis', None)
761 meta_regex
= rf
'{re.escape(meta_prefix)}(?P<i>\d+)?_(?P<key>.+)'
762 for key
, value
in info
.items():
763 mobj
= re
.fullmatch(meta_regex
, key
)
764 if value
is not None and mobj
:
765 metadata
[mobj
.group('i') or 'common'][mobj
.group('key')] = value
.replace('\0', '')
767 # Write id3v1 metadata also since Windows Explorer can't handle id3v2 tags
768 yield ('-write_id3v1', '1')
770 for name
, value
in metadata
['common'].items():
771 yield ('-metadata', f
'{name}={value}')
774 for fmt
in info
.get('requested_formats') or []:
775 stream_count
= 2 if 'none' not in (fmt
.get('vcodec'), fmt
.get('acodec')) else 1
776 lang
= ISO639Utils
.short2long(fmt
.get('language') or '') or fmt
.get('language')
777 for i
in range(stream_idx
, stream_idx
+ stream_count
):
779 metadata
[str(i
)].setdefault('language', lang
)
780 for name
, value
in metadata
[str(i
)].items():
781 yield (f
'-metadata:s:{i}', f
'{name}={value}')
782 stream_idx
+= stream_count
784 def _get_infojson_opts(self
, info
, infofn
):
785 if not infofn
or not os
.path
.exists(infofn
):
786 if self
._add
_infojson
is not True:
788 infofn
= infofn
or '%s.temp' % (
789 self
._downloader
.prepare_filename(info
, 'infojson')
790 or replace_extension(self
._downloader
.prepare_filename(info
), 'info.json', info
['ext']))
791 if not self
._downloader
._ensure
_dir
_exists
(infofn
):
793 self
.write_debug(f
'Writing info-json to: {infofn}')
794 write_json_file(self
._downloader
.sanitize_info(info
, self
.get_param('clean_infojson', True)), infofn
)
795 info
['infojson_filename'] = infofn
797 old_stream
, new_stream
= self
.get_stream_number(info
['filepath'], ('tags', 'mimetype'), 'application/json')
798 if old_stream
is not None:
799 yield ('-map', '-0:%d' % old_stream
)
804 f
'-metadata:s:{new_stream}', 'mimetype=application/json',
805 f
'-metadata:s:{new_stream}', 'filename=info.json',
809 class FFmpegMergerPP(FFmpegPostProcessor
):
810 SUPPORTED_EXTS
= MEDIA_EXTENSIONS
.common_video
812 @PostProcessor._restrict_to(images
=False)
814 filename
= info
['filepath']
815 temp_filename
= prepend_extension(filename
, 'temp')
816 args
= ['-c', 'copy']
818 for (i
, fmt
) in enumerate(info
['requested_formats']):
819 if fmt
.get('acodec') != 'none':
820 args
.extend(['-map', f
'{i}:a:0'])
821 aac_fixup
= fmt
['protocol'].startswith('m3u8') and self
.get_audio_codec(fmt
['filepath']) == 'aac'
823 args
.extend([f
'-bsf:a:{audio_streams}', 'aac_adtstoasc'])
825 if fmt
.get('vcodec') != 'none':
826 args
.extend(['-map', '%u:v:0' % (i
)])
827 self
.to_screen('Merging formats into "%s"' % filename
)
828 self
.run_ffmpeg_multiple_files(info
['__files_to_merge'], temp_filename
, args
)
829 os
.rename(encodeFilename(temp_filename
), encodeFilename(filename
))
830 return info
['__files_to_merge'], info
833 # TODO: figure out merge-capable ffmpeg version
834 if self
.basename
!= 'avconv':
837 required_version
= '10-0'
838 if is_outdated_version(
839 self
._versions
[self
.basename
], required_version
):
840 warning
= ('Your copy of %s is outdated and unable to properly mux separate video and audio files, '
841 'yt-dlp will download single file media. '
842 'Update %s to version %s or newer to fix this.') % (
843 self
.basename
, self
.basename
, required_version
)
844 self
.report_warning(warning
)
849 class FFmpegFixupPostProcessor(FFmpegPostProcessor
):
850 def _fixup(self
, msg
, filename
, options
):
851 temp_filename
= prepend_extension(filename
, 'temp')
853 self
.to_screen(f
'{msg} of "{filename}"')
854 self
.run_ffmpeg(filename
, temp_filename
, options
)
856 os
.replace(temp_filename
, filename
)
859 class FFmpegFixupStretchedPP(FFmpegFixupPostProcessor
):
860 @PostProcessor._restrict_to(images
=False, audio
=False)
862 stretched_ratio
= info
.get('stretched_ratio')
863 if stretched_ratio
not in (None, 1):
864 self
._fixup
('Fixing aspect ratio', info
['filepath'], [
865 *self
.stream_copy_opts(), '-aspect', '%f' % stretched_ratio
])
869 class FFmpegFixupM4aPP(FFmpegFixupPostProcessor
):
870 @PostProcessor._restrict_to(images
=False, video
=False)
872 if info
.get('container') == 'm4a_dash':
873 self
._fixup
('Correcting container', info
['filepath'], [*self
.stream_copy_opts(), '-f', 'mp4'])
877 class FFmpegFixupM3u8PP(FFmpegFixupPostProcessor
):
878 def _needs_fixup(self
, info
):
879 yield info
['ext'] in ('mp4', 'm4a')
880 yield info
['protocol'].startswith('m3u8')
882 metadata
= self
.get_metadata_object(info
['filepath'])
883 except PostProcessingError
as e
:
884 self
.report_warning(f
'Unable to extract metadata: {e.msg}')
887 yield traverse_obj(metadata
, ('format', 'format_name'), casesense
=False) == 'mpegts'
889 @PostProcessor._restrict_to(images
=False)
891 if all(self
._needs
_fixup
(info
)):
892 self
._fixup
('Fixing MPEG-TS in MP4 container', info
['filepath'], [
893 *self
.stream_copy_opts(), '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'])
897 class FFmpegFixupTimestampPP(FFmpegFixupPostProcessor
):
899 def __init__(self
, downloader
=None, trim
=0.001):
900 # "trim" should be used when the video contains unintended packets
901 super().__init
__(downloader
)
902 assert isinstance(trim
, (int, float))
903 self
.trim
= str(trim
)
905 @PostProcessor._restrict_to(images
=False)
907 if not self
._features
.get('setts'):
909 'A re-encode is needed to fix timestamps in older versions of ffmpeg. '
910 'Please install ffmpeg 4.4 or later to fixup without re-encoding')
911 opts
= ['-vf', 'setpts=PTS-STARTPTS']
913 opts
= ['-c', 'copy', '-bsf', 'setts=ts=TS-STARTPTS']
914 self
._fixup
('Fixing frame timestamp', info
['filepath'], opts
+ [*self
.stream_copy_opts(False), '-ss', self
.trim
])
918 class FFmpegCopyStreamPP(FFmpegFixupPostProcessor
):
919 MESSAGE
= 'Copying stream'
921 @PostProcessor._restrict_to(images
=False)
923 self
._fixup
(self
.MESSAGE
, info
['filepath'], self
.stream_copy_opts())
927 class FFmpegFixupDurationPP(FFmpegCopyStreamPP
):
928 MESSAGE
= 'Fixing video duration'
931 class FFmpegFixupDuplicateMoovPP(FFmpegCopyStreamPP
):
932 MESSAGE
= 'Fixing duplicate MOOV atoms'
935 class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor
):
936 SUPPORTED_EXTS
= MEDIA_EXTENSIONS
.subtitles
938 def __init__(self
, downloader
=None, format
=None):
939 super().__init
__(downloader
)
943 subs
= info
.get('requested_subtitles')
944 new_ext
= self
.format
946 if new_format
== 'vtt':
947 new_format
= 'webvtt'
949 self
.to_screen('There aren\'t any subtitles to convert')
951 self
.to_screen('Converting subtitles')
953 for lang
, sub
in subs
.items():
954 if not os
.path
.exists(sub
.get('filepath', '')):
955 self
.report_warning(f
'Skipping embedding {lang} subtitle because the file is missing')
959 self
.to_screen('Subtitle file for %s is already in the requested format' % new_ext
)
963 'You have requested to convert json subtitles into another format, '
964 'which is currently not possible')
966 old_file
= sub
['filepath']
967 sub_filenames
.append(old_file
)
968 new_file
= replace_extension(old_file
, new_ext
)
970 if ext
in ('dfxp', 'ttml', 'tt'):
972 'You have requested to convert dfxp (TTML) subtitles into another format, '
973 'which results in style information loss')
976 srt_file
= replace_extension(old_file
, 'srt')
978 with open(dfxp_file
, 'rb') as f
:
979 srt_data
= dfxp2srt(f
.read())
981 with open(srt_file
, 'wt', encoding
='utf-8') as f
:
988 'filepath': srt_file
,
994 sub_filenames
.append(srt_file
)
996 self
.run_ffmpeg(old_file
, new_file
, ['-f', new_format
])
998 with open(new_file
, encoding
='utf-8') as f
:
1002 'filepath': new_file
,
1005 info
['__files_to_move'][new_file
] = replace_extension(
1006 info
['__files_to_move'][sub
['filepath']], new_ext
)
1008 return sub_filenames
, info
1011 class FFmpegSplitChaptersPP(FFmpegPostProcessor
):
1012 def __init__(self
, downloader
, force_keyframes
=False):
1013 FFmpegPostProcessor
.__init
__(self
, downloader
)
1014 self
._force
_keyframes
= force_keyframes
1016 def _prepare_filename(self
, number
, chapter
, info
):
1019 'section_number': number
,
1020 'section_title': chapter
.get('title'),
1021 'section_start': chapter
.get('start_time'),
1022 'section_end': chapter
.get('end_time'),
1024 return self
._downloader
.prepare_filename(info
, 'chapter')
1026 def _ffmpeg_args_for_chapter(self
, number
, chapter
, info
):
1027 destination
= self
._prepare
_filename
(number
, chapter
, info
)
1028 if not self
._downloader
._ensure
_dir
_exists
(encodeFilename(destination
)):
1031 chapter
['filepath'] = destination
1032 self
.to_screen('Chapter %03d; Destination: %s' % (number
, destination
))
1035 ['-ss', str(chapter
['start_time']),
1036 '-t', str(chapter
['end_time'] - chapter
['start_time'])])
1038 @PostProcessor._restrict_to(images
=False)
1039 def run(self
, info
):
1040 chapters
= info
.get('chapters') or []
1042 self
.to_screen('Chapter information is unavailable')
1045 in_file
= info
['filepath']
1046 if self
._force
_keyframes
and len(chapters
) > 1:
1047 in_file
= self
.force_keyframes(in_file
, (c
['start_time'] for c
in chapters
))
1048 self
.to_screen('Splitting video by chapters; %d chapters found' % len(chapters
))
1049 for idx
, chapter
in enumerate(chapters
):
1050 destination
, opts
= self
._ffmpeg
_args
_for
_chapter
(idx
+ 1, chapter
, info
)
1051 self
.real_run_ffmpeg([(in_file
, opts
)], [(destination
, self
.stream_copy_opts())])
1052 if in_file
!= info
['filepath']:
1053 self
._delete
_downloaded
_files
(in_file
, msg
=None)
1057 class FFmpegThumbnailsConvertorPP(FFmpegPostProcessor
):
1058 SUPPORTED_EXTS
= MEDIA_EXTENSIONS
.thumbnails
1059 FORMAT_RE
= create_mapping_re(SUPPORTED_EXTS
)
1061 def __init__(self
, downloader
=None, format
=None):
1062 super().__init
__(downloader
)
1063 self
.mapping
= format
1066 def is_webp(cls
, path
):
1067 deprecation_warning(f
'{cls.__module__}.{cls.__name__}.is_webp is deprecated')
1068 return imghdr
.what(path
) == 'webp'
1070 def fixup_webp(self
, info
, idx
=-1):
1071 thumbnail_filename
= info
['thumbnails'][idx
]['filepath']
1072 _
, thumbnail_ext
= os
.path
.splitext(thumbnail_filename
)
1074 if thumbnail_ext
.lower() != '.webp' and imghdr
.what(thumbnail_filename
) == 'webp':
1075 self
.to_screen('Correcting thumbnail "%s" extension to webp' % thumbnail_filename
)
1076 webp_filename
= replace_extension(thumbnail_filename
, 'webp')
1077 os
.replace(thumbnail_filename
, webp_filename
)
1078 info
['thumbnails'][idx
]['filepath'] = webp_filename
1079 info
['__files_to_move'][webp_filename
] = replace_extension(
1080 info
['__files_to_move'].pop(thumbnail_filename
), 'webp')
1083 def _options(target_ext
):
1084 if target_ext
== 'jpg':
1085 return ['-bsf:v', 'mjpeg2jpeg']
1088 def convert_thumbnail(self
, thumbnail_filename
, target_ext
):
1089 thumbnail_conv_filename
= replace_extension(thumbnail_filename
, target_ext
)
1091 self
.to_screen(f
'Converting thumbnail "{thumbnail_filename}" to {target_ext}')
1092 _
, source_ext
= os
.path
.splitext(thumbnail_filename
)
1093 self
.real_run_ffmpeg(
1094 [(thumbnail_filename
, [] if source_ext
== '.gif' else ['-f', 'image2', '-pattern_type', 'none'])],
1095 [(thumbnail_conv_filename
.replace('%', '%%'), self
._options
(target_ext
))])
1096 return thumbnail_conv_filename
1098 def run(self
, info
):
1099 files_to_delete
= []
1100 has_thumbnail
= False
1102 for idx
, thumbnail_dict
in enumerate(info
.get('thumbnails') or []):
1103 original_thumbnail
= thumbnail_dict
.get('filepath')
1104 if not original_thumbnail
:
1106 has_thumbnail
= True
1107 self
.fixup_webp(info
, idx
)
1108 original_thumbnail
= thumbnail_dict
['filepath'] # Path can change during fixup
1109 thumbnail_ext
= os
.path
.splitext(original_thumbnail
)[1][1:].lower()
1110 if thumbnail_ext
== 'jpeg':
1111 thumbnail_ext
= 'jpg'
1112 target_ext
, _skip_msg
= resolve_mapping(thumbnail_ext
, self
.mapping
)
1114 self
.to_screen(f
'Not converting thumbnail "{original_thumbnail}"; {_skip_msg}')
1116 thumbnail_dict
['filepath'] = self
.convert_thumbnail(original_thumbnail
, target_ext
)
1117 files_to_delete
.append(original_thumbnail
)
1118 info
['__files_to_move'][thumbnail_dict
['filepath']] = replace_extension(
1119 info
['__files_to_move'][original_thumbnail
], target_ext
)
1121 if not has_thumbnail
:
1122 self
.to_screen('There aren\'t any thumbnails to convert')
1123 return files_to_delete
, info
1126 class FFmpegConcatPP(FFmpegPostProcessor
):
1127 def __init__(self
, downloader
, only_multi_video
=False):
1128 self
._only
_multi
_video
= only_multi_video
1129 super().__init
__(downloader
)
1131 def _get_codecs(self
, file):
1132 codecs
= traverse_obj(self
.get_metadata_object(file), ('streams', ..., 'codec_name'))
1133 self
.write_debug(f
'Codecs = {", ".join(codecs)}')
1134 return tuple(codecs
)
1136 def concat_files(self
, in_files
, out_file
):
1137 if not self
._downloader
._ensure
_dir
_exists
(out_file
):
1139 if len(in_files
) == 1:
1140 if os
.path
.realpath(in_files
[0]) != os
.path
.realpath(out_file
):
1141 self
.to_screen(f
'Moving "{in_files[0]}" to "{out_file}"')
1142 os
.replace(in_files
[0], out_file
)
1145 if len(set(map(self
._get
_codecs
, in_files
))) > 1:
1146 raise PostProcessingError(
1147 'The files have different streams/codecs and cannot be concatenated. '
1148 'Either select different formats or --recode-video them to a common format')
1150 self
.to_screen(f
'Concatenating {len(in_files)} files; Destination: {out_file}')
1151 super().concat_files(in_files
, out_file
)
1154 @PostProcessor._restrict_to(images
=False, simulated
=False)
1155 def run(self
, info
):
1156 entries
= info
.get('entries') or []
1157 if not any(entries
) or (self
._only
_multi
_video
and info
['_type'] != 'multi_video'):
1159 elif traverse_obj(entries
, (..., lambda k
, v
: k
== 'requested_downloads' and len(v
) > 1)):
1160 raise PostProcessingError('Concatenation is not supported when downloading multiple separate formats')
1162 in_files
= traverse_obj(entries
, (..., 'requested_downloads', 0, 'filepath')) or []
1163 if len(in_files
) < len(entries
):
1164 raise PostProcessingError('Aborting concatenation because some downloads failed')
1166 exts
= traverse_obj(entries
, (..., 'requested_downloads', 0, 'ext'), (..., 'ext'))
1167 ie_copy
= collections
.ChainMap({'ext': exts[0] if len(set(exts)) == 1 else 'mkv'}
,
1168 info
, self
._downloader
._playlist
_infodict
(info
))
1169 out_file
= self
._downloader
.prepare_filename(ie_copy
, 'pl_video')
1171 files_to_delete
= self
.concat_files(in_files
, out_file
)
1173 info
['requested_downloads'] = [{
1174 'filepath': out_file
,
1175 'ext': ie_copy
['ext'],
1177 return files_to_delete
, info