-from __future__ import unicode_literals
-
-import io
+import collections
import itertools
+import json
import os
+import re
import subprocess
import time
-import re
-import json
-
from .common import AudioConversionError, PostProcessor
-
-from ..compat import compat_str, compat_numeric_types
+from ..compat import functools, imghdr
from ..utils import (
+ ISO639Utils,
+ Popen,
+ PostProcessingError,
+ _get_exe_version_output,
+ detect_exe_version,
+ determine_ext,
+ dfxp2srt,
encodeArgument,
encodeFilename,
- get_exe_version,
+ filter_dict,
+ float_or_none,
is_outdated_version,
- PostProcessingError,
+ orderedSet,
prepend_extension,
- shell_quote,
- dfxp2srt,
- ISO639Utils,
- process_communicate_or_kill,
replace_extension,
+ shell_quote,
traverse_obj,
variadic,
+ write_json_file,
+ write_string,
)
-
EXT_TO_OUT_FORMATS = {
'aac': 'adts',
'flac': 'flac',
'ts': 'mpegts',
'wma': 'asf',
'wmv': 'asf',
+ 'vtt': 'webvtt',
}
ACODECS = {
'mp3': 'libmp3lame',
'opus': 'libopus',
'vorbis': 'libvorbis',
'wav': None,
+ 'alac': None,
}
class FFmpegPostProcessor(PostProcessor):
def __init__(self, downloader=None):
PostProcessor.__init__(self, downloader)
- self._determine_executables()
-
- def check_version(self):
- if not self.available:
- raise FFmpegPostProcessorError('ffmpeg not found. Please install or provide the path using --ffmpeg-location')
+ self._prefer_ffmpeg = self.get_param('prefer_ffmpeg', True)
+ self._paths = self._determine_executables()
- required_version = '10-0' if self.basename == 'avconv' else '1.0'
- if is_outdated_version(
- self._versions[self.basename], required_version):
- warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % (
- self.basename, self.basename, required_version)
- self.report_warning(warning)
+ @staticmethod
+ def get_versions_and_features(downloader=None):
+ pp = FFmpegPostProcessor(downloader)
+ return pp._versions, pp._features
@staticmethod
def get_versions(downloader=None):
- return FFmpegPostProcessor(downloader)._versions
+ return FFmpegPostProcessor.get_versions_and_features(downloader)[0]
+
+ _ffmpeg_to_avconv = {'ffmpeg': 'avconv', 'ffprobe': 'avprobe'}
def _determine_executables(self):
- programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
- prefer_ffmpeg = True
-
- def get_ffmpeg_version(path):
- ver = get_exe_version(path, args=['-version'])
- if ver:
- regexs = [
- r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1]
- r'n([0-9.]+)$', # Arch Linux
- # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/
- ]
- for regex in regexs:
- mobj = re.match(regex, ver)
- if mobj:
- ver = mobj.group(1)
- return ver
-
- self.basename = None
- self.probe_basename = None
-
- self._paths = None
- self._versions = None
- if self._downloader:
- prefer_ffmpeg = self.get_param('prefer_ffmpeg', True)
- location = self.get_param('ffmpeg_location')
- if location is not None:
- if not os.path.exists(location):
- self.report_warning(
- 'ffmpeg-location %s does not exist! '
- 'Continuing without ffmpeg.' % (location))
- self._versions = {}
- return
- elif os.path.isdir(location):
- dirname, basename = location, None
- else:
- basename = os.path.splitext(os.path.basename(location))[0]
- basename = next((p for p in programs if basename.startswith(p)), 'ffmpeg')
- dirname = os.path.dirname(os.path.abspath(location))
- if basename in ('ffmpeg', 'ffprobe'):
- prefer_ffmpeg = True
-
- self._paths = dict(
- (p, os.path.join(dirname, p)) for p in programs)
- if basename:
- self._paths[basename] = location
- self._versions = dict(
- (p, get_ffmpeg_version(self._paths[p])) for p in programs)
- if self._versions is None:
- self._versions = dict(
- (p, get_ffmpeg_version(p)) for p in programs)
- self._paths = dict((p, p) for p in programs)
-
- if prefer_ffmpeg is False:
- prefs = ('avconv', 'ffmpeg')
+ programs = [*self._ffmpeg_to_avconv.keys(), *self._ffmpeg_to_avconv.values()]
+
+ location = self.get_param('ffmpeg_location')
+ if location is None:
+ return {p: p for p in programs}
+
+ if not os.path.exists(location):
+ self.report_warning(f'ffmpeg-location {location} does not exist! Continuing without ffmpeg')
+ return {}
+ elif os.path.isdir(location):
+ dirname, basename = location, None
else:
- prefs = ('ffmpeg', 'avconv')
- for p in prefs:
- if self._versions[p]:
- self.basename = p
- break
-
- if prefer_ffmpeg is False:
- prefs = ('avprobe', 'ffprobe')
+ basename = os.path.splitext(os.path.basename(location))[0]
+ basename = next((p for p in programs if basename.startswith(p)), 'ffmpeg')
+ dirname = os.path.dirname(os.path.abspath(location))
+ if basename in self._ffmpeg_to_avconv.keys():
+ self._prefer_ffmpeg = True
+
+ paths = {p: os.path.join(dirname, p) for p in programs}
+ if basename:
+ paths[basename] = location
+ return paths
+
+ _version_cache, _features_cache = {None: None}, {}
+
+ def _get_ffmpeg_version(self, prog):
+ path = self._paths.get(prog)
+ if path in self._version_cache:
+ return self._version_cache[path], self._features_cache.get(path, {})
+ out = _get_exe_version_output(path, ['-bsfs'], to_screen=self.write_debug)
+ ver = detect_exe_version(out) if out else False
+ if ver:
+ regexs = [
+ r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$', # Ubuntu, see [1]
+ r'n([0-9.]+)$', # Arch Linux
+ # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/
+ ]
+ for regex in regexs:
+ mobj = re.match(regex, ver)
+ if mobj:
+ ver = mobj.group(1)
+ self._version_cache[path] = ver
+ if prog != 'ffmpeg' or not out:
+ return ver, {}
+
+ mobj = re.search(r'(?m)^\s+libavformat\s+(?:[0-9. ]+)\s+/\s+(?P<runtime>[0-9. ]+)', out)
+ lavf_runtime_version = mobj.group('runtime').replace(' ', '') if mobj else None
+ self._features_cache[path] = features = {
+ 'fdk': '--enable-libfdk-aac' in out,
+ 'setts': 'setts' in out.splitlines(),
+ 'needs_adtstoasc': is_outdated_version(lavf_runtime_version, '57.56.100', False),
+ }
+ return ver, features
+
+ @property
+ def _versions(self):
+ return filter_dict({self.basename: self._version, self.probe_basename: self._probe_version})
+
+ @functools.cached_property
+ def basename(self):
+ self._version # run property
+ return self.basename
+
+ @functools.cached_property
+ def probe_basename(self):
+ self._probe_version # run property
+ return self.probe_basename
+
+ def _get_version(self, kind):
+ executables = (kind, self._ffmpeg_to_avconv[kind])
+ if not self._prefer_ffmpeg:
+ executables = reversed(executables)
+ basename, version, features = next(filter(
+ lambda x: x[1], ((p, *self._get_ffmpeg_version(p)) for p in executables)), (None, None, {}))
+ if kind == 'ffmpeg':
+ self.basename, self._features = basename, features
else:
- prefs = ('ffprobe', 'avprobe')
- for p in prefs:
- if self._versions[p]:
- self.probe_basename = p
- break
+ self.probe_basename = basename
+ if basename == self._ffmpeg_to_avconv[kind]:
+ self.deprecation_warning(
+ f'Support for {self._ffmpeg_to_avconv[kind]} is deprecated and may be removed in a future version. Use {kind} instead')
+ return version
+
+ @functools.cached_property
+ def _version(self):
+ return self._get_version('ffmpeg')
+
+ @functools.cached_property
+ def _probe_version(self):
+ return self._get_version('ffprobe')
@property
def available(self):
@property
def executable(self):
- return self._paths[self.basename]
+ return self._paths.get(self.basename)
@property
def probe_available(self):
@property
def probe_executable(self):
- return self._paths[self.probe_basename]
+ return self._paths.get(self.probe_basename)
+
+ @staticmethod
+ def stream_copy_opts(copy=True, *, ext=None):
+ yield from ('-map', '0')
+ # Don't copy Apple TV chapters track, bin_data
+ # See https://github.com/yt-dlp/yt-dlp/issues/2, #19042, #19024, https://trac.ffmpeg.org/ticket/6016
+ yield from ('-dn', '-ignore_unknown')
+ if copy:
+ yield from ('-c', 'copy')
+ if ext in ('mp4', 'mov', 'm4a'):
+ yield from ('-c:s', 'mov_text')
+
+ def check_version(self):
+ if not self.available:
+ raise FFmpegPostProcessorError('ffmpeg not found. Please install or provide the path using --ffmpeg-location')
+
+ required_version = '10-0' if self.basename == 'avconv' else '1.0'
+ if is_outdated_version(self._version, required_version):
+ self.report_warning(f'Your copy of {self.basename} is outdated, update {self.basename} '
+ f'to version {required_version} or newer if you encounter any errors')
def get_audio_codec(self, path):
if not self.probe_available and not self.available:
encodeFilename(self.executable, True),
encodeArgument('-i')]
cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True))
- self.write_debug('%s command line: %s' % (self.basename, shell_quote(cmd)))
- handle = subprocess.Popen(
- cmd, stderr=subprocess.PIPE,
- stdout=subprocess.PIPE, stdin=subprocess.PIPE)
- stdout_data, stderr_data = process_communicate_or_kill(handle)
+ self.write_debug(f'{self.basename} command line: {shell_quote(cmd)}')
+ handle = Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ stdout_data, stderr_data = handle.communicate_or_kill()
expected_ret = 0 if self.probe_available else 1
if handle.wait() != expected_ret:
return None
- except (IOError, OSError):
+ except OSError:
return None
output = (stdout_data if self.probe_available else stderr_data).decode('ascii', 'ignore')
if self.probe_available:
cmd += opts
cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True))
self.write_debug('ffprobe command line: %s' % shell_quote(cmd))
- p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
+ p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
stdout, stderr = p.communicate()
return json.loads(stdout.decode('utf-8', 'replace'))
None)
return num, len(streams)
+ def _get_real_video_duration(self, filepath, fatal=True):
+ try:
+ duration = float_or_none(
+ traverse_obj(self.get_metadata_object(filepath), ('format', 'duration')))
+ if not duration:
+ raise PostProcessingError('ffprobe returned empty duration')
+ return duration
+ except PostProcessingError as e:
+ if fatal:
+ raise PostProcessingError(f'Unable to determine video duration: {e.msg}')
+
+ def _duration_mismatch(self, d1, d2, tolerance=2):
+ if not d1 or not d2:
+ return None
+ # The duration is often only known to nearest second. So there can be <1sec disparity natually.
+ # Further excuse an additional <1sec difference.
+ return abs(d1 - d2) > tolerance
+
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts, **kwargs):
return self.real_run_ffmpeg(
[(path, []) for path in input_paths],
def make_args(file, args, name, number):
keys = ['_%s%d' % (name, number), '_%s' % name]
- if name == 'o' and number == 1:
- keys.append('')
+ if name == 'o':
+ args += ['-movflags', '+faststart']
+ if number == 1:
+ keys.append('')
args += self._configuration_args(self.basename, keys)
if name == 'i':
args.append('-i')
for i, (path, opts) in enumerate(path_opts) if path)
self.write_debug('ffmpeg command line: %s' % shell_quote(cmd))
- p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
- stdout, stderr = process_communicate_or_kill(p)
+ p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
+ stdout, stderr = p.communicate_or_kill()
if p.returncode not in variadic(expected_retcodes):
stderr = stderr.decode('utf-8', 'replace').strip()
- if self.get_param('verbose', False):
- self.report_error(stderr)
+ self.write_debug(stderr)
raise FFmpegPostProcessorError(stderr.split('\n')[-1])
for out_path, _ in output_path_opts:
if out_path:
def run_ffmpeg(self, path, out_path, opts, **kwargs):
return self.run_ffmpeg_multiple_files([path], out_path, opts, **kwargs)
- def _ffmpeg_filename_argument(self, fn):
+ @staticmethod
+ def _ffmpeg_filename_argument(fn):
# Always use 'file:' because the filename may contain ':' (ffmpeg
# interprets that as a protocol) or can start with '-' (-- is broken in
# ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details)
return fn
return 'file:' + fn if fn != '-' else fn
+ @staticmethod
+ def _quote_for_ffmpeg(string):
+ # See https://ffmpeg.org/ffmpeg-utils.html#toc-Quoting-and-escaping
+ # A sequence of '' produces '\'''\'';
+ # final replace removes the empty '' between \' \'.
+ string = string.replace("'", r"'\''").replace("'''", "'")
+ # Handle potential ' at string boundaries.
+ string = string[1:] if string[0] == "'" else "'" + string
+ return string[:-1] if string[-1] == "'" else string + "'"
+
+ def force_keyframes(self, filename, timestamps):
+ timestamps = orderedSet(timestamps)
+ if timestamps[0] == 0:
+ timestamps = timestamps[1:]
+ keyframe_file = prepend_extension(filename, 'keyframes.temp')
+ self.to_screen(f'Re-encoding "{filename}" with appropriate keyframes')
+ self.run_ffmpeg(filename, keyframe_file, [
+ *self.stream_copy_opts(False, ext=determine_ext(filename)),
+ '-force_key_frames', ','.join(f'{t:.6f}' for t in timestamps)])
+ return keyframe_file
+
+ def concat_files(self, in_files, out_file, concat_opts=None):
+ """
+ Use concat demuxer to concatenate multiple files having identical streams.
+
+ Only inpoint, outpoint, and duration concat options are supported.
+ See https://ffmpeg.org/ffmpeg-formats.html#concat-1 for details
+ """
+ concat_file = f'{out_file}.concat'
+ self.write_debug(f'Writing concat spec to {concat_file}')
+ with open(concat_file, 'wt', encoding='utf-8') as f:
+ f.writelines(self._concat_spec(in_files, concat_opts))
+
+ out_flags = list(self.stream_copy_opts(ext=determine_ext(out_file)))
+
+ self.real_run_ffmpeg(
+ [(concat_file, ['-hide_banner', '-nostdin', '-f', 'concat', '-safe', '0'])],
+ [(out_file, out_flags)])
+ self._delete_downloaded_files(concat_file)
+
+ @classmethod
+ def _concat_spec(cls, in_files, concat_opts=None):
+ if concat_opts is None:
+ concat_opts = [{}] * len(in_files)
+ yield 'ffconcat version 1.0\n'
+ for file, opts in zip(in_files, concat_opts):
+ yield f'file {cls._quote_for_ffmpeg(cls._ffmpeg_filename_argument(file))}\n'
+ # Iterate explicitly to yield the following directives in order, ignoring the rest.
+ for directive in 'inpoint', 'outpoint', 'duration':
+ if directive in opts:
+ yield f'{directive} {opts[directive]}\n'
+
class FFmpegExtractAudioPP(FFmpegPostProcessor):
COMMON_AUDIO_EXTS = ('wav', 'flac', 'm4a', 'aiff', 'mp3', 'ogg', 'mka', 'opus', 'wma')
- SUPPORTED_EXTS = ('best', 'aac', 'flac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav')
+ SUPPORTED_EXTS = ('aac', 'flac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav', 'alac')
def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False):
FFmpegPostProcessor.__init__(self, downloader)
self._preferredcodec = preferredcodec or 'best'
- self._preferredquality = preferredquality
+ self._preferredquality = float_or_none(preferredquality)
self._nopostoverwrites = nopostoverwrites
+ def _quality_args(self, codec):
+ if self._preferredquality is None:
+ return []
+ elif self._preferredquality > 10:
+ return ['-b:a', f'{self._preferredquality}k']
+
+ limits = {
+ 'libmp3lame': (10, 0),
+ 'libvorbis': (0, 10),
+ # FFmpeg's AAC encoder does not have an upper limit for the value of -q:a.
+ # Experimentally, with values over 4, bitrate changes were minimal or non-existent
+ 'aac': (0.1, 4),
+ 'libfdk_aac': (1, 5),
+ }.get(codec)
+ if not limits:
+ return []
+
+ q = limits[1] + (limits[0] - limits[1]) * (self._preferredquality / 10)
+ if codec == 'libfdk_aac':
+ return ['-vbr', f'{int(q)}']
+ return ['-q:a', f'{q}']
+
def run_ffmpeg(self, path, out_path, codec, more_opts):
if codec is None:
acodec_opts = []
@PostProcessor._restrict_to(images=False)
def run(self, information):
- path = information['filepath']
+ orig_path = path = information['filepath']
orig_ext = information['ext']
if self._preferredcodec == 'best' and orig_ext in self.COMMON_AUDIO_EXTS:
more_opts = ['-f', 'adts']
if filecodec == 'vorbis':
extension = 'ogg'
+ elif filecodec == 'alac':
+ acodec = None
+ extension = 'm4a'
+ more_opts += ['-acodec', 'alac']
else:
# MP3 otherwise.
acodec = 'libmp3lame'
extension = 'mp3'
- more_opts = []
- if self._preferredquality is not None:
- if int(self._preferredquality) < 10:
- more_opts += ['-q:a', self._preferredquality]
- else:
- more_opts += ['-b:a', self._preferredquality + 'k']
+ more_opts = self._quality_args(acodec)
else:
# We convert the audio (lossy if codec is lossy)
acodec = ACODECS[self._preferredcodec]
+ if acodec == 'aac' and self._features.get('fdk'):
+ acodec = 'libfdk_aac'
extension = self._preferredcodec
- more_opts = []
- if self._preferredquality is not None:
- # The opus codec doesn't support the -aq option
- if int(self._preferredquality) < 10 and extension != 'opus':
- more_opts += ['-q:a', self._preferredquality]
- else:
- more_opts += ['-b:a', self._preferredquality + 'k']
+ more_opts = self._quality_args(acodec)
if self._preferredcodec == 'aac':
more_opts += ['-f', 'adts']
- if self._preferredcodec == 'm4a':
+ elif self._preferredcodec == 'm4a':
more_opts += ['-bsf:a', 'aac_adtstoasc']
- if self._preferredcodec == 'vorbis':
+ elif self._preferredcodec == 'vorbis':
extension = 'ogg'
- if self._preferredcodec == 'wav':
+ elif self._preferredcodec == 'wav':
extension = 'wav'
more_opts += ['-f', 'wav']
+ elif self._preferredcodec == 'alac':
+ extension = 'm4a'
+ more_opts += ['-acodec', 'alac']
prefix, sep, ext = path.rpartition('.') # not os.path.splitext, since the latter does not work on unicode in all setups
- new_path = prefix + sep + extension
-
- information['filepath'] = new_path
- information['ext'] = extension
-
- # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
- if (new_path == path
- or (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))):
+ temp_path = new_path = prefix + sep + extension
+
+ if new_path == path:
+ if acodec == 'copy':
+ self.to_screen(f'File is already in target format {self._preferredcodec}, skipping')
+ return [], information
+ orig_path = prepend_extension(path, 'orig')
+ temp_path = prepend_extension(path, 'temp')
+ if (self._nopostoverwrites and os.path.exists(encodeFilename(new_path))
+ and os.path.exists(encodeFilename(orig_path))):
self.to_screen('Post-process file %s exists, skipping' % new_path)
return [], information
try:
- self.to_screen('Destination: ' + new_path)
- self.run_ffmpeg(path, new_path, acodec, more_opts)
+ self.to_screen(f'Destination: {new_path}')
+ self.run_ffmpeg(path, temp_path, acodec, more_opts)
except AudioConversionError as e:
raise PostProcessingError(
'audio conversion failed: ' + e.msg)
except Exception:
raise PostProcessingError('error running ' + self.basename)
+ os.replace(path, orig_path)
+ os.replace(temp_path, new_path)
+ information['filepath'] = new_path
+ information['ext'] = extension
+
# Try to update the date time for extracted audio file.
if information.get('filetime') is not None:
self.try_utime(
new_path, time.time(), information['filetime'],
errnote='Cannot update utime of audio file')
- return [path], information
+ return [orig_path], information
class FFmpegVideoConvertorPP(FFmpegPostProcessor):
- SUPPORTED_EXTS = ('mp4', 'mkv', 'flv', 'webm', 'mov', 'avi', 'mp3', 'mka', 'm4a', 'ogg', 'opus')
+ SUPPORTED_EXTS = ('mp4', 'mkv', 'flv', 'webm', 'mov', 'avi', 'mka', 'ogg', *FFmpegExtractAudioPP.SUPPORTED_EXTS)
FORMAT_RE = re.compile(r'{0}(?:/{0})*$'.format(r'(?:\w+>)?(?:%s)' % '|'.join(SUPPORTED_EXTS)))
- _action = 'converting'
+ _ACTION = 'converting'
def __init__(self, downloader=None, preferedformat=None):
- super(FFmpegVideoConvertorPP, self).__init__(downloader)
+ super().__init__(downloader)
self._preferedformats = preferedformat.lower().split('/')
def _target_ext(self, source_ext):
@staticmethod
def _options(target_ext):
+ yield from FFmpegPostProcessor.stream_copy_opts(False)
if target_ext == 'avi':
- return ['-c:v', 'libxvid', '-vtag', 'XVID']
- return []
+ yield from ('-c:v', 'libxvid', '-vtag', 'XVID')
@PostProcessor._restrict_to(images=False)
- def run(self, information):
- path, source_ext = information['filepath'], information['ext'].lower()
+ def run(self, info):
+ filename, source_ext = info['filepath'], info['ext'].lower()
target_ext = self._target_ext(source_ext)
_skip_msg = (
- 'could not find a mapping for %s' if not target_ext
- else 'already is in target format %s' if source_ext == target_ext
+ f'could not find a mapping for {source_ext}' if not target_ext
+ else f'already is in target format {source_ext}' if source_ext == target_ext
else None)
if _skip_msg:
- self.to_screen('Not %s media file "%s"; %s' % (self._action, path, _skip_msg % source_ext))
- return [], information
+ self.to_screen(f'Not {self._ACTION} media file "{filename}"; {_skip_msg}')
+ return [], info
- prefix, sep, oldext = path.rpartition('.')
- outpath = prefix + sep + target_ext
- self.to_screen('%s video from %s to %s; Destination: %s' % (self._action.title(), source_ext, target_ext, outpath))
- self.run_ffmpeg(path, outpath, self._options(target_ext))
+ outpath = replace_extension(filename, target_ext, source_ext)
+ self.to_screen(f'{self._ACTION.title()} video from {source_ext} to {target_ext}; Destination: {outpath}')
+ self.run_ffmpeg(filename, outpath, self._options(target_ext))
- information['filepath'] = outpath
- information['format'] = information['ext'] = target_ext
- return [path], information
+ info['filepath'] = outpath
+ info['format'] = info['ext'] = target_ext
+ return [filename], info
class FFmpegVideoRemuxerPP(FFmpegVideoConvertorPP):
- _action = 'remuxing'
+ _ACTION = 'remuxing'
@staticmethod
def _options(target_ext):
- options = ['-c', 'copy', '-map', '0', '-dn']
- if target_ext in ['mp4', 'm4a', 'mov']:
- options.extend(['-movflags', '+faststart'])
- return options
+ return FFmpegPostProcessor.stream_copy_opts()
class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
+ SUPPORTED_EXTS = ('mp4', 'mov', 'm4a', 'webm', 'mkv', 'mka')
+
def __init__(self, downloader=None, already_have_subtitle=False):
- super(FFmpegEmbedSubtitlePP, self).__init__(downloader)
+ super().__init__(downloader)
self._already_have_subtitle = already_have_subtitle
@PostProcessor._restrict_to(images=False)
- def run(self, information):
- if information['ext'] not in ('mp4', 'webm', 'mkv'):
- self.to_screen('Subtitles can only be embedded in mp4, webm or mkv files')
- return [], information
- subtitles = information.get('requested_subtitles')
+ def run(self, info):
+ if info['ext'] not in self.SUPPORTED_EXTS:
+ self.to_screen(f'Subtitles can only be embedded in {", ".join(self.SUPPORTED_EXTS)} files')
+ return [], info
+ subtitles = info.get('requested_subtitles')
if not subtitles:
self.to_screen('There aren\'t any subtitles to embed')
- return [], information
+ return [], info
- filename = information['filepath']
+ filename = info['filepath']
- ext = information['ext']
+ # Disabled temporarily. There needs to be a way to overide this
+ # in case of duration actually mismatching in extractor
+ # See: https://github.com/yt-dlp/yt-dlp/issues/1870, https://github.com/yt-dlp/yt-dlp/issues/1385
+ '''
+ if info.get('duration') and not info.get('__real_download') and self._duration_mismatch(
+ self._get_real_video_duration(filename, False), info['duration']):
+ self.to_screen(f'Skipping {self.pp_key()} since the real and expected durations mismatch')
+ return [], info
+ '''
+
+ ext = info['ext']
sub_langs, sub_names, sub_filenames = [], [], []
webm_vtt_warn = False
mp4_ass_warn = False
for lang, sub_info in subtitles.items():
+ if not os.path.exists(sub_info.get('filepath', '')):
+ self.report_warning(f'Skipping embedding {lang} subtitle because the file is missing')
+ continue
sub_ext = sub_info['ext']
if sub_ext == 'json':
self.report_warning('JSON subtitles cannot be embedded')
self.report_warning('ASS subtitles cannot be properly embedded in mp4 files; expect issues')
if not sub_langs:
- return [], information
+ return [], info
input_files = [filename] + sub_filenames
opts = [
- '-c', 'copy', '-map', '0', '-dn',
+ *self.stream_copy_opts(ext=info['ext']),
# Don't copy the existing subtitles, we may be running the
# postprocessor a second time
'-map', '-0:s',
- # Don't copy Apple TV chapters track, bin_data (see #19042, #19024,
- # https://trac.ffmpeg.org/ticket/6016)
- '-map', '-0:d',
]
- if information['ext'] == 'mp4':
- opts += ['-c:s', 'mov_text']
for i, (lang, name) in enumerate(zip(sub_langs, sub_names)):
opts.extend(['-map', '%d:0' % (i + 1)])
lang_code = ISO639Utils.short2long(lang) or lang
temp_filename = prepend_extension(filename, 'temp')
self.to_screen('Embedding subtitles in "%s"' % filename)
self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
- os.remove(encodeFilename(filename))
- os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+ os.replace(temp_filename, filename)
files_to_delete = [] if self._already_have_subtitle else sub_filenames
- return files_to_delete, information
+ return files_to_delete, info
class FFmpegMetadataPP(FFmpegPostProcessor):
+ def __init__(self, downloader, add_metadata=True, add_chapters=True, add_infojson='if_exists'):
+ FFmpegPostProcessor.__init__(self, downloader)
+ self._add_metadata = add_metadata
+ self._add_chapters = add_chapters
+ self._add_infojson = add_infojson
+
@staticmethod
def _options(target_ext):
- yield from ('-map', '0', '-dn')
- if target_ext == 'm4a':
+ audio_only = target_ext == 'm4a'
+ yield from FFmpegPostProcessor.stream_copy_opts(not audio_only)
+ if audio_only:
yield from ('-vn', '-acodec', 'copy')
- else:
- yield from ('-c', 'copy')
@PostProcessor._restrict_to(images=False)
def run(self, info):
- metadata = {}
+ filename, metadata_filename = info['filepath'], None
+ files_to_delete, options = [], []
+ if self._add_chapters and info.get('chapters'):
+ metadata_filename = replace_extension(filename, 'meta')
+ options.extend(self._get_chapter_opts(info['chapters'], metadata_filename))
+ files_to_delete.append(metadata_filename)
+ if self._add_metadata:
+ options.extend(self._get_metadata_opts(info))
+
+ if self._add_infojson:
+ if info['ext'] in ('mkv', 'mka'):
+ infojson_filename = info.get('infojson_filename')
+ options.extend(self._get_infojson_opts(info, infojson_filename))
+ if not infojson_filename:
+ files_to_delete.append(info.get('infojson_filename'))
+ elif self._add_infojson is True:
+ self.to_screen('The info-json can only be attached to mkv/mka files')
+
+ if not options:
+ self.to_screen('There isn\'t any metadata to add')
+ return [], info
+
+ temp_filename = prepend_extension(filename, 'temp')
+ self.to_screen('Adding metadata to "%s"' % filename)
+ self.run_ffmpeg_multiple_files(
+ (filename, metadata_filename), temp_filename,
+ itertools.chain(self._options(info['ext']), *options))
+ self._delete_downloaded_files(*files_to_delete)
+ os.replace(temp_filename, filename)
+ return [], info
+
+ @staticmethod
+ def _get_chapter_opts(chapters, metadata_filename):
+ with open(metadata_filename, 'wt', encoding='utf-8') as f:
+ def ffmpeg_escape(text):
+ return re.sub(r'([\\=;#\n])', r'\\\1', text)
+
+ metadata_file_content = ';FFMETADATA1\n'
+ for chapter in chapters:
+ metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n'
+ metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000)
+ metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000)
+ chapter_title = chapter.get('title')
+ if chapter_title:
+ metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title)
+ f.write(metadata_file_content)
+ yield ('-map_metadata', '1')
+
+ def _get_metadata_opts(self, info):
+ meta_prefix = 'meta'
+ metadata = collections.defaultdict(dict)
def add(meta_list, info_list=None):
- if not meta_list:
- return
- for info_f in variadic(info_list or meta_list):
- if isinstance(info.get(info_f), (compat_str, compat_numeric_types)):
- for meta_f in variadic(meta_list):
- metadata[meta_f] = info[info_f]
- break
+ value = next((
+ str(info[key]) for key in [f'{meta_prefix}_'] + list(variadic(info_list or meta_list))
+ if info.get(key) is not None), None)
+ if value not in ('', None):
+ value = value.replace('\0', '') # nul character cannot be passed in command line
+ metadata['common'].update({meta_f: value for meta_f in variadic(meta_list)})
# See [1-4] for some info on media metadata/metadata supported
# by ffmpeg.
add('season_number')
add('episode_id', ('episode', 'episode_id'))
add('episode_sort', 'episode_number')
+ if 'embed-metadata' in self.get_param('compat_opts', []):
+ add('comment', 'description')
+ metadata['common'].pop('synopsis', None)
- prefix = 'meta_'
- for key in filter(lambda k: k.startswith(prefix), info.keys()):
- add(key[len(prefix):], key)
+ meta_regex = rf'{re.escape(meta_prefix)}(?P<i>\d+)?_(?P<key>.+)'
+ for key, value in info.items():
+ mobj = re.fullmatch(meta_regex, key)
+ if value is not None and mobj:
+ metadata[mobj.group('i') or 'common'][mobj.group('key')] = value.replace('\0', '')
- filename, metadata_filename = info['filepath'], None
- options = [('-metadata', f'{name}={value}') for name, value in metadata.items()]
+ # Write id3v1 metadata also since Windows Explorer can't handle id3v2 tags
+ yield ('-write_id3v1', '1')
+
+ for name, value in metadata['common'].items():
+ yield ('-metadata', f'{name}={value}')
stream_idx = 0
for fmt in info.get('requested_formats') or []:
stream_count = 2 if 'none' not in (fmt.get('vcodec'), fmt.get('acodec')) else 1
- if fmt.get('language'):
- lang = ISO639Utils.short2long(fmt['language']) or fmt['language']
- options.extend(('-metadata:s:%d' % (stream_idx + i), 'language=%s' % lang)
- for i in range(stream_count))
+ lang = ISO639Utils.short2long(fmt.get('language') or '') or fmt.get('language')
+ for i in range(stream_idx, stream_idx + stream_count):
+ if lang:
+ metadata[str(i)].setdefault('language', lang)
+ for name, value in metadata[str(i)].items():
+ yield (f'-metadata:s:{i}', f'{name}={value}')
stream_idx += stream_count
- chapters = info.get('chapters', [])
- if chapters:
- metadata_filename = replace_extension(filename, 'meta')
- with io.open(metadata_filename, 'wt', encoding='utf-8') as f:
- def ffmpeg_escape(text):
- return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text)
-
- metadata_file_content = ';FFMETADATA1\n'
- for chapter in chapters:
- metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n'
- metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000)
- metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000)
- chapter_title = chapter.get('title')
- if chapter_title:
- metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title)
- f.write(metadata_file_content)
- options.append(('-map_metadata', '1'))
-
- if ('no-attach-info-json' not in self.get_param('compat_opts', [])
- and '__infojson_filename' in info and info['ext'] in ('mkv', 'mka')):
- old_stream, new_stream = self.get_stream_number(filename, ('tags', 'mimetype'), 'application/json')
- if old_stream is not None:
- options.append(('-map', '-0:%d' % old_stream))
- new_stream -= 1
-
- options.append((
- '-attach', info['__infojson_filename'],
- '-metadata:s:%d' % new_stream, 'mimetype=application/json'
- ))
+ def _get_infojson_opts(self, info, infofn):
+ if not infofn or not os.path.exists(infofn):
+ if self._add_infojson is not True:
+ return
+ infofn = infofn or '%s.temp' % (
+ self._downloader.prepare_filename(info, 'infojson')
+ or replace_extension(self._downloader.prepare_filename(info), 'info.json', info['ext']))
+ if not self._downloader._ensure_dir_exists(infofn):
+ return
+ self.write_debug(f'Writing info-json to: {infofn}')
+ write_json_file(self._downloader.sanitize_info(info, self.get_param('clean_infojson', True)), infofn)
+ info['infojson_filename'] = infofn
- if not options:
- self.to_screen('There isn\'t any metadata to add')
- return [], info
+ old_stream, new_stream = self.get_stream_number(info['filepath'], ('tags', 'mimetype'), 'application/json')
+ if old_stream is not None:
+ yield ('-map', '-0:%d' % old_stream)
+ new_stream -= 1
- temp_filename = prepend_extension(filename, 'temp')
- self.to_screen('Adding metadata to "%s"' % filename)
- self.run_ffmpeg_multiple_files(
- (filename, metadata_filename), temp_filename,
- itertools.chain(self._options(info['ext']), *options))
- if chapters:
- os.remove(metadata_filename)
- os.remove(encodeFilename(filename))
- os.rename(encodeFilename(temp_filename), encodeFilename(filename))
- return [], info
+ yield (
+ '-attach', infofn,
+ f'-metadata:s:{new_stream}', 'mimetype=application/json',
+ f'-metadata:s:{new_stream}', 'filename=info.json',
+ )
class FFmpegMergerPP(FFmpegPostProcessor):
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
args = ['-c', 'copy']
+ audio_streams = 0
for (i, fmt) in enumerate(info['requested_formats']):
if fmt.get('acodec') != 'none':
- args.extend(['-map', '%u:a:0' % (i)])
+ args.extend(['-map', f'{i}:a:0'])
+ aac_fixup = fmt['protocol'].startswith('m3u8') and self.get_audio_codec(fmt['filepath']) == 'aac'
+ if aac_fixup:
+ args.extend([f'-bsf:a:{audio_streams}', 'aac_adtstoasc'])
+ audio_streams += 1
if fmt.get('vcodec') != 'none':
args.extend(['-map', '%u:v:0' % (i)])
self.to_screen('Merging formats into "%s"' % filename)
self.to_screen(f'{msg} of "{filename}"')
self.run_ffmpeg(filename, temp_filename, options)
- os.remove(encodeFilename(filename))
- os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+ os.replace(temp_filename, filename)
class FFmpegFixupStretchedPP(FFmpegFixupPostProcessor):
stretched_ratio = info.get('stretched_ratio')
if stretched_ratio not in (None, 1):
self._fixup('Fixing aspect ratio', info['filepath'], [
- '-c', 'copy', '-map', '0', '-dn', '-aspect', '%f' % stretched_ratio])
+ *self.stream_copy_opts(), '-aspect', '%f' % stretched_ratio])
return [], info
@PostProcessor._restrict_to(images=False, video=False)
def run(self, info):
if info.get('container') == 'm4a_dash':
- self._fixup('Correcting container', info['filepath'], [
- '-c', 'copy', '-map', '0', '-dn', '-f', 'mp4'])
+ self._fixup('Correcting container', info['filepath'], [*self.stream_copy_opts(), '-f', 'mp4'])
return [], info
class FFmpegFixupM3u8PP(FFmpegFixupPostProcessor):
+ def _needs_fixup(self, info):
+ yield info['ext'] in ('mp4', 'm4a')
+ yield info['protocol'].startswith('m3u8')
+ try:
+ metadata = self.get_metadata_object(info['filepath'])
+ except PostProcessingError as e:
+ self.report_warning(f'Unable to extract metadata: {e.msg}')
+ yield True
+ else:
+ yield traverse_obj(metadata, ('format', 'format_name'), casesense=False) == 'mpegts'
+
@PostProcessor._restrict_to(images=False)
def run(self, info):
- if self.get_audio_codec(info['filepath']) == 'aac':
- self._fixup('Fixing malformed AAC bitstream', info['filepath'], [
- '-c', 'copy', '-map', '0', '-dn', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'])
+ if all(self._needs_fixup(info)):
+ self._fixup('Fixing MPEG-TS in MP4 container', info['filepath'], [
+ *self.stream_copy_opts(), '-f', 'mp4', '-bsf:a', 'aac_adtstoasc'])
return [], info
def __init__(self, downloader=None, trim=0.001):
# "trim" should be used when the video contains unintended packets
- super(FFmpegFixupTimestampPP, self).__init__(downloader)
+ super().__init__(downloader)
assert isinstance(trim, (int, float))
self.trim = str(trim)
@PostProcessor._restrict_to(images=False)
def run(self, info):
- required_version = '4.4'
- if is_outdated_version(self._versions[self.basename], required_version):
+ if not self._features.get('setts'):
self.report_warning(
'A re-encode is needed to fix timestamps in older versions of ffmpeg. '
- f'Please install ffmpeg {required_version} or later to fixup without re-encoding')
+ 'Please install ffmpeg 4.4 or later to fixup without re-encoding')
opts = ['-vf', 'setpts=PTS-STARTPTS']
else:
opts = ['-c', 'copy', '-bsf', 'setts=ts=TS-STARTPTS']
- self._fixup('Fixing frame timestamp', info['filepath'], opts + ['-map', '0', '-dn', '-ss', self.trim])
+ self._fixup('Fixing frame timestamp', info['filepath'], opts + [*self.stream_copy_opts(False), '-ss', self.trim])
return [], info
-class FFmpegFixupDurationPP(FFmpegFixupPostProcessor):
+class FFmpegCopyStreamPP(FFmpegFixupPostProcessor):
+ MESSAGE = 'Copying stream'
+
@PostProcessor._restrict_to(images=False)
def run(self, info):
- self._fixup('Fixing video duration', info['filepath'], ['-c', 'copy', '-map', '0', '-dn'])
+ self._fixup(self.MESSAGE, info['filepath'], self.stream_copy_opts())
return [], info
+class FFmpegFixupDurationPP(FFmpegCopyStreamPP):
+ MESSAGE = 'Fixing video duration'
+
+
+class FFmpegFixupDuplicateMoovPP(FFmpegCopyStreamPP):
+ MESSAGE = 'Fixing duplicate MOOV atoms'
+
+
class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
SUPPORTED_EXTS = ('srt', 'vtt', 'ass', 'lrc')
def __init__(self, downloader=None, format=None):
- super(FFmpegSubtitlesConvertorPP, self).__init__(downloader)
+ super().__init__(downloader)
self.format = format
def run(self, info):
self.to_screen('Converting subtitles')
sub_filenames = []
for lang, sub in subs.items():
+ if not os.path.exists(sub.get('filepath', '')):
+ self.report_warning(f'Skipping embedding {lang} subtitle because the file is missing')
+ continue
ext = sub['ext']
if ext == new_ext:
self.to_screen('Subtitle file for %s is already in the requested format' % new_ext)
with open(dfxp_file, 'rb') as f:
srt_data = dfxp2srt(f.read())
- with io.open(srt_file, 'wt', encoding='utf-8') as f:
+ with open(srt_file, 'wt', encoding='utf-8') as f:
f.write(srt_data)
old_file = srt_file
self.run_ffmpeg(old_file, new_file, ['-f', new_format])
- with io.open(new_file, 'rt', encoding='utf-8') as f:
+ with open(new_file, encoding='utf-8') as f:
subs[lang] = {
'ext': new_ext,
'data': f.read(),
}
info['__files_to_move'][new_file] = replace_extension(
- info['__files_to_move'][old_file], new_ext)
+ info['__files_to_move'][sub['filepath']], new_ext)
return sub_filenames, info
class FFmpegSplitChaptersPP(FFmpegPostProcessor):
+ def __init__(self, downloader, force_keyframes=False):
+ FFmpegPostProcessor.__init__(self, downloader)
+ self._force_keyframes = force_keyframes
def _prepare_filename(self, number, chapter, info):
info = info.copy()
self.to_screen('Chapter %03d; Destination: %s' % (number, destination))
return (
destination,
- ['-ss', compat_str(chapter['start_time']),
- '-t', compat_str(chapter['end_time'] - chapter['start_time'])])
+ ['-ss', str(chapter['start_time']),
+ '-t', str(chapter['end_time'] - chapter['start_time'])])
@PostProcessor._restrict_to(images=False)
def run(self, info):
chapters = info.get('chapters') or []
if not chapters:
- self.report_warning('Chapter information is unavailable')
+ self.to_screen('Chapter information is unavailable')
return [], info
+ in_file = info['filepath']
+ if self._force_keyframes and len(chapters) > 1:
+ in_file = self.force_keyframes(in_file, (c['start_time'] for c in chapters))
self.to_screen('Splitting video by chapters; %d chapters found' % len(chapters))
for idx, chapter in enumerate(chapters):
destination, opts = self._ffmpeg_args_for_chapter(idx + 1, chapter, info)
- self.real_run_ffmpeg([(info['filepath'], opts)], [(destination, ['-c', 'copy'])])
+ self.real_run_ffmpeg([(in_file, opts)], [(destination, self.stream_copy_opts())])
+ if in_file != info['filepath']:
+ self._delete_downloaded_files(in_file, msg=None)
return [], info
class FFmpegThumbnailsConvertorPP(FFmpegPostProcessor):
- SUPPORTED_EXTS = ('jpg', 'png')
+ SUPPORTED_EXTS = ('jpg', 'png', 'webp')
def __init__(self, downloader=None, format=None):
- super(FFmpegThumbnailsConvertorPP, self).__init__(downloader)
+ super().__init__(downloader)
self.format = format
- @staticmethod
- def is_webp(path):
- with open(encodeFilename(path), 'rb') as f:
- b = f.read(12)
- return b[0:4] == b'RIFF' and b[8:] == b'WEBP'
+ @classmethod
+ def is_webp(cls, path):
+ write_string(f'DeprecationWarning: {cls.__module__}.{cls.__name__}.is_webp is deprecated')
+ return imghdr.what(path) == 'webp'
def fixup_webp(self, info, idx=-1):
thumbnail_filename = info['thumbnails'][idx]['filepath']
_, thumbnail_ext = os.path.splitext(thumbnail_filename)
if thumbnail_ext:
- thumbnail_ext = thumbnail_ext[1:].lower()
- if thumbnail_ext != 'webp' and self.is_webp(thumbnail_filename):
+ if thumbnail_ext.lower() != '.webp' and imghdr.what(thumbnail_filename) == 'webp':
self.to_screen('Correcting thumbnail "%s" extension to webp' % thumbnail_filename)
webp_filename = replace_extension(thumbnail_filename, 'webp')
- if os.path.exists(webp_filename):
- os.remove(webp_filename)
- os.rename(encodeFilename(thumbnail_filename), encodeFilename(webp_filename))
+ os.replace(thumbnail_filename, webp_filename)
info['thumbnails'][idx]['filepath'] = webp_filename
info['__files_to_move'][webp_filename] = replace_extension(
info['__files_to_move'].pop(thumbnail_filename), 'webp')
def convert_thumbnail(self, thumbnail_filename, target_ext):
thumbnail_conv_filename = replace_extension(thumbnail_filename, target_ext)
- self.to_screen('Converting thumbnail "%s" to %s' % (thumbnail_filename, target_ext))
+ self.to_screen(f'Converting thumbnail "{thumbnail_filename}" to {target_ext}')
self.real_run_ffmpeg(
[(thumbnail_filename, ['-f', 'image2', '-pattern_type', 'none'])],
[(thumbnail_conv_filename.replace('%', '%%'), self._options(target_ext))])
files_to_delete = []
has_thumbnail = False
- for idx, thumbnail_dict in enumerate(info['thumbnails']):
- if 'filepath' not in thumbnail_dict:
+ for idx, thumbnail_dict in enumerate(info.get('thumbnails') or []):
+ original_thumbnail = thumbnail_dict.get('filepath')
+ if not original_thumbnail:
continue
has_thumbnail = True
self.fixup_webp(info, idx)
- original_thumbnail = thumbnail_dict['filepath']
_, thumbnail_ext = os.path.splitext(original_thumbnail)
if thumbnail_ext:
thumbnail_ext = thumbnail_ext[1:].lower()
if not has_thumbnail:
self.to_screen('There aren\'t any thumbnails to convert')
return files_to_delete, info
+
+
+class FFmpegConcatPP(FFmpegPostProcessor):
+ def __init__(self, downloader, only_multi_video=False):
+ self._only_multi_video = only_multi_video
+ super().__init__(downloader)
+
+ def _get_codecs(self, file):
+ codecs = traverse_obj(self.get_metadata_object(file), ('streams', ..., 'codec_name'))
+ self.write_debug(f'Codecs = {", ".join(codecs)}')
+ return tuple(codecs)
+
+ def concat_files(self, in_files, out_file):
+ if not self._downloader._ensure_dir_exists(out_file):
+ return
+ if len(in_files) == 1:
+ if os.path.realpath(in_files[0]) != os.path.realpath(out_file):
+ self.to_screen(f'Moving "{in_files[0]}" to "{out_file}"')
+ os.replace(in_files[0], out_file)
+ return []
+
+ if len(set(map(self._get_codecs, in_files))) > 1:
+ raise PostProcessingError(
+ 'The files have different streams/codecs and cannot be concatenated. '
+ 'Either select different formats or --recode-video them to a common format')
+
+ self.to_screen(f'Concatenating {len(in_files)} files; Destination: {out_file}')
+ super().concat_files(in_files, out_file)
+ return in_files
+
+ @PostProcessor._restrict_to(images=False, simulated=False)
+ def run(self, info):
+ entries = info.get('entries') or []
+ if not any(entries) or (self._only_multi_video and info['_type'] != 'multi_video'):
+ return [], info
+ elif traverse_obj(entries, (..., lambda k, v: k == 'requested_downloads' and len(v) > 1)):
+ raise PostProcessingError('Concatenation is not supported when downloading multiple separate formats')
+
+ in_files = traverse_obj(entries, (..., 'requested_downloads', 0, 'filepath')) or []
+ if len(in_files) < len(entries):
+ raise PostProcessingError('Aborting concatenation because some downloads failed')
+
+ ie_copy = self._downloader._playlist_infodict(info)
+ exts = traverse_obj(entries, (..., 'requested_downloads', 0, 'ext'), (..., 'ext'))
+ ie_copy['ext'] = exts[0] if len(set(exts)) == 1 else 'mkv'
+ out_file = self._downloader.prepare_filename(ie_copy, 'pl_video')
+
+ files_to_delete = self.concat_files(in_files, out_file)
+
+ info['requested_downloads'] = [{
+ 'filepath': out_file,
+ 'ext': ie_copy['ext'],
+ }]
+ return files_to_delete, info