from __future__ import unicode_literals
+import io
import os
import subprocess
-import sys
import time
+import re
from .common import AudioConversionError, PostProcessor
prepend_extension,
shell_quote,
subtitles_filename,
+ dfxp2srt,
+ ISO639Utils,
+ replace_extension,
)
+EXT_TO_OUT_FORMATS = {
+ 'aac': 'adts',
+ 'flac': 'flac',
+ 'm4a': 'ipod',
+ 'mka': 'matroska',
+ 'mkv': 'matroska',
+ 'mpg': 'mpeg',
+ 'ogv': 'ogg',
+ 'ts': 'mpegts',
+ 'wma': 'asf',
+ 'wmv': 'asf',
+}
+ACODECS = {
+ 'mp3': 'libmp3lame',
+ 'aac': 'aac',
+ 'flac': 'flac',
+ 'm4a': 'aac',
+ 'opus': 'opus',
+ 'vorbis': 'libvorbis',
+ 'wav': None,
+}
+
+
class FFmpegPostProcessorError(PostProcessingError):
pass
class FFmpegPostProcessor(PostProcessor):
- def __init__(self, downloader=None, deletetempfiles=False):
+ def __init__(self, downloader=None):
PostProcessor.__init__(self, downloader)
- self._versions = self.get_versions()
- self._deletetempfiles = deletetempfiles
+ self._determine_executables()
def check_version(self):
- if not self._executable:
+ if not self.available:
raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.')
- required_version = '10-0' if self._uses_avconv() else '1.0'
+ required_version = '10-0' if self.basename == 'avconv' else '1.0'
if is_outdated_version(
- self._versions[self._executable], required_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warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.'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._executable, self._executable, required_version)
+ self.basename, self.basename, required_version)
if self._downloader:
self._downloader.report_warning(warning)
@staticmethod
- def get_versions():
- programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
- return dict((p, get_exe_version(p, args=['-version'])) for p in programs)
+ def get_versions(downloader=None):
+ return FFmpegPostProcessor(downloader)._versions
- @property
- def available(self):
- return self._executable is not None
-
- @property
- def _executable(self):
- if self._downloader.params.get('prefer_ffmpeg', False):
+ def _determine_executables(self):
+ programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
+ prefer_ffmpeg = False
+
+ self.basename = None
+ self.probe_basename = None
+
+ self._paths = None
+ self._versions = None
+ if self._downloader:
+ prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False)
+ location = self._downloader.params.get('ffmpeg_location')
+ if location is not None:
+ if not os.path.exists(location):
+ self._downloader.report_warning(
+ 'ffmpeg-location %s does not exist! '
+ 'Continuing without avconv/ffmpeg.' % (location))
+ self._versions = {}
+ return
+ elif not os.path.isdir(location):
+ basename = os.path.splitext(os.path.basename(location))[0]
+ if basename not in programs:
+ self._downloader.report_warning(
+ 'Cannot identify executable %s, its basename should be one of %s. '
+ 'Continuing without avconv/ffmpeg.' %
+ (location, ', '.join(programs)))
+ self._versions = {}
+ return None
+ location = os.path.dirname(os.path.abspath(location))
+ if basename in ('ffmpeg', 'ffprobe'):
+ prefer_ffmpeg = True
+
+ self._paths = dict(
+ (p, os.path.join(location, p)) for p in programs)
+ self._versions = dict(
+ (p, get_exe_version(self._paths[p], args=['-version']))
+ for p in programs)
+ if self._versions is None:
+ self._versions = dict(
+ (p, get_exe_version(p, args=['-version'])) for p in programs)
+ self._paths = dict((p, p) for p in programs)
+
+ if prefer_ffmpeg:
prefs = ('ffmpeg', 'avconv')
else:
prefs = ('avconv', 'ffmpeg')
for p in prefs:
if self._versions[p]:
- return p
- return None
+ self.basename = p
+ break
- @property
- def _probe_executable(self):
- if self._downloader.params.get('prefer_ffmpeg', False):
+ if prefer_ffmpeg:
prefs = ('ffprobe', 'avprobe')
else:
prefs = ('avprobe', 'ffprobe')
for p in prefs:
if self._versions[p]:
- return p
- return None
+ self.probe_basename = p
+ break
+
+ @property
+ def available(self):
+ return self.basename is not None
- def _uses_avconv(self):
- return self._executable == 'avconv'
+ @property
+ def executable(self):
+ return self._paths[self.basename]
+
+ @property
+ def probe_available(self):
+ return self.probe_basename is not None
+
+ @property
+ def probe_executable(self):
+ return self._paths[self.probe_basename]
+
+ def get_audio_codec(self, path):
+ if not self.probe_available:
+ raise PostProcessingError('ffprobe or avprobe not found. Please install one.')
+ try:
+ cmd = [
+ encodeFilename(self.probe_executable, True),
+ encodeArgument('-show_streams'),
+ encodeFilename(self._ffmpeg_filename_argument(path), True)]
+ if self._downloader.params.get('verbose', False):
+ self._downloader.to_screen('[debug] %s command line: %s' % (self.basename, shell_quote(cmd)))
+ handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE, stdin=subprocess.PIPE)
+ output = handle.communicate()[0]
+ if handle.wait() != 0:
+ return None
+ except (IOError, OSError):
+ return None
+ audio_codec = None
+ for line in output.decode('ascii', 'ignore').split('\n'):
+ if line.startswith('codec_name='):
+ audio_codec = line.split('=')[1].strip()
+ elif line.strip() == 'codec_type=audio' and audio_codec is not None:
+ return audio_codec
+ return None
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
self.check_version()
oldest_mtime = min(
os.stat(encodeFilename(path)).st_mtime for path in input_paths)
+ opts += self._configuration_args()
+
files_cmd = []
for path in input_paths:
- files_cmd.extend([encodeArgument('-i'), encodeFilename(path, True)])
- cmd = ([encodeFilename(self._executable, True), encodeArgument('-y')] +
+ files_cmd.extend([
+ encodeArgument('-i'),
+ encodeFilename(self._ffmpeg_filename_argument(path), True)
+ ])
+ cmd = ([encodeFilename(self.executable, True), encodeArgument('-y')] +
files_cmd +
[encodeArgument(o) for o in opts] +
[encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
if self._downloader.params.get('verbose', False):
self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd))
- p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
stdout, stderr = p.communicate()
if p.returncode != 0:
stderr = stderr.decode('utf-8', 'replace')
msg = stderr.strip().split('\n')[-1]
raise FFmpegPostProcessorError(msg)
- os.utime(encodeFilename(out_path), (oldest_mtime, oldest_mtime))
- if self._deletetempfiles:
- for ipath in input_paths:
- os.remove(ipath)
+ self.try_utime(out_path, oldest_mtime, oldest_mtime)
def run_ffmpeg(self, path, out_path, opts):
self.run_ffmpeg_multiple_files([path], out_path, opts)
def _ffmpeg_filename_argument(self, fn):
- # ffmpeg broke --, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details
- if fn.startswith('-'):
- return './' + fn
- return 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)
+ # Also leave '-' intact in order not to break streaming to stdout.
+ return 'file:' + fn if fn != '-' else fn
class FFmpegExtractAudioPP(FFmpegPostProcessor):
self._preferredquality = preferredquality
self._nopostoverwrites = nopostoverwrites
- def get_audio_codec(self, path):
-
- if not self._probe_executable:
- raise PostProcessingError('ffprobe or avprobe not found. Please install one.')
- try:
- cmd = [
- encodeFilename(self._probe_executable, True),
- encodeArgument('-show_streams'),
- encodeFilename(self._ffmpeg_filename_argument(path), True)]
- handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE)
- output = handle.communicate()[0]
- if handle.wait() != 0:
- return None
- except (IOError, OSError):
- return None
- audio_codec = None
- for line in output.decode('ascii', 'ignore').split('\n'):
- if line.startswith('codec_name='):
- audio_codec = line.split('=')[1].strip()
- elif line.strip() == 'codec_type=audio' and audio_codec is not None:
- return audio_codec
- return None
-
def run_ffmpeg(self, path, out_path, codec, more_opts):
if codec is None:
acodec_opts = []
if filecodec is None:
raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')
- uses_avconv = self._uses_avconv()
more_opts = []
if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'):
if filecodec == 'aac' and self._preferredcodec in ['m4a', 'best']:
# Lossless, but in another container
acodec = 'copy'
extension = 'm4a'
- more_opts = ['-bsf:a' if uses_avconv else '-absf', 'aac_adtstoasc']
- elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']:
+ more_opts = ['-bsf:a', 'aac_adtstoasc']
+ elif filecodec in ['aac', 'flac', 'mp3', 'vorbis', 'opus']:
# Lossless if possible
acodec = 'copy'
extension = filecodec
more_opts = []
if self._preferredquality is not None:
if int(self._preferredquality) < 10:
- more_opts += ['-q:a' if uses_avconv else '-aq', self._preferredquality]
+ more_opts += ['-q:a', self._preferredquality]
else:
- more_opts += ['-b:a' if uses_avconv else '-ab', self._preferredquality + 'k']
+ more_opts += ['-b:a', self._preferredquality + 'k']
else:
- # We convert the audio (lossy)
- acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'opus': 'opus', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
+ # We convert the audio (lossy if codec is lossy)
+ acodec = ACODECS[self._preferredcodec]
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' if uses_avconv else '-aq', self._preferredquality]
+ more_opts += ['-q:a', self._preferredquality]
else:
- more_opts += ['-b:a' if uses_avconv else '-ab', self._preferredquality + 'k']
+ more_opts += ['-b:a', self._preferredquality + 'k']
if self._preferredcodec == 'aac':
more_opts += ['-f', 'adts']
if self._preferredcodec == 'm4a':
- more_opts += ['-bsf:a' if uses_avconv else '-absf', 'aac_adtstoasc']
+ more_opts += ['-bsf:a', 'aac_adtstoasc']
if self._preferredcodec == 'vorbis':
extension = 'ogg'
if self._preferredcodec == 'wav':
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:
- self._nopostoverwrites = True
+ if (new_path == path or
+ (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))):
+ self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path)
+ return [], information
try:
- if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
- self._downloader.to_screen('[youtube] Post-process file %s exists, skipping' % new_path)
- else:
- self._downloader.to_screen('[' + self._executable + '] Destination: ' + new_path)
- self.run_ffmpeg(path, new_path, acodec, more_opts)
- except:
- etype, e, tb = sys.exc_info()
- if isinstance(e, AudioConversionError):
- msg = 'audio conversion failed: ' + e.msg
- else:
- msg = 'error running ' + self._executable
- raise PostProcessingError(msg)
+ self._downloader.to_screen('[ffmpeg] Destination: ' + new_path)
+ self.run_ffmpeg(path, new_path, acodec, more_opts)
+ except AudioConversionError as e:
+ raise PostProcessingError(
+ 'audio conversion failed: ' + e.msg)
+ except Exception:
+ raise PostProcessingError('error running ' + self.basename)
# Try to update the date time for extracted audio file.
if information.get('filetime') is not None:
- try:
- os.utime(encodeFilename(new_path), (time.time(), information['filetime']))
- except:
- self._downloader.report_warning('Cannot update utime of audio file')
+ self.try_utime(
+ new_path, time.time(), information['filetime'],
+ errnote='Cannot update utime of audio file')
- information['filepath'] = new_path
- return self._nopostoverwrites, information
+ return [path], information
class FFmpegVideoConvertorPP(FFmpegPostProcessor):
def run(self, information):
path = information['filepath']
- prefix, sep, ext = path.rpartition('.')
- outpath = prefix + sep + self._preferedformat
if information['ext'] == self._preferedformat:
self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
- return True, information
+ return [], information
+ options = []
+ if self._preferedformat == 'avi':
+ options.extend(['-c:v', 'libxvid', '-vtag', 'XVID'])
+ prefix, sep, ext = path.rpartition('.')
+ outpath = prefix + sep + self._preferedformat
self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
- self.run_ffmpeg(path, outpath, [])
+ self.run_ffmpeg(path, outpath, options)
information['filepath'] = outpath
information['format'] = self._preferedformat
information['ext'] = self._preferedformat
- return False, information
+ return [path], information
class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
- # See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt
- _lang_map = {
- 'aa': 'aar',
- 'ab': 'abk',
- 'ae': 'ave',
- 'af': 'afr',
- 'ak': 'aka',
- 'am': 'amh',
- 'an': 'arg',
- 'ar': 'ara',
- 'as': 'asm',
- 'av': 'ava',
- 'ay': 'aym',
- 'az': 'aze',
- 'ba': 'bak',
- 'be': 'bel',
- 'bg': 'bul',
- 'bh': 'bih',
- 'bi': 'bis',
- 'bm': 'bam',
- 'bn': 'ben',
- 'bo': 'bod',
- 'br': 'bre',
- 'bs': 'bos',
- 'ca': 'cat',
- 'ce': 'che',
- 'ch': 'cha',
- 'co': 'cos',
- 'cr': 'cre',
- 'cs': 'ces',
- 'cu': 'chu',
- 'cv': 'chv',
- 'cy': 'cym',
- 'da': 'dan',
- 'de': 'deu',
- 'dv': 'div',
- 'dz': 'dzo',
- 'ee': 'ewe',
- 'el': 'ell',
- 'en': 'eng',
- 'eo': 'epo',
- 'es': 'spa',
- 'et': 'est',
- 'eu': 'eus',
- 'fa': 'fas',
- 'ff': 'ful',
- 'fi': 'fin',
- 'fj': 'fij',
- 'fo': 'fao',
- 'fr': 'fra',
- 'fy': 'fry',
- 'ga': 'gle',
- 'gd': 'gla',
- 'gl': 'glg',
- 'gn': 'grn',
- 'gu': 'guj',
- 'gv': 'glv',
- 'ha': 'hau',
- 'he': 'heb',
- 'hi': 'hin',
- 'ho': 'hmo',
- 'hr': 'hrv',
- 'ht': 'hat',
- 'hu': 'hun',
- 'hy': 'hye',
- 'hz': 'her',
- 'ia': 'ina',
- 'id': 'ind',
- 'ie': 'ile',
- 'ig': 'ibo',
- 'ii': 'iii',
- 'ik': 'ipk',
- 'io': 'ido',
- 'is': 'isl',
- 'it': 'ita',
- 'iu': 'iku',
- 'ja': 'jpn',
- 'jv': 'jav',
- 'ka': 'kat',
- 'kg': 'kon',
- 'ki': 'kik',
- 'kj': 'kua',
- 'kk': 'kaz',
- 'kl': 'kal',
- 'km': 'khm',
- 'kn': 'kan',
- 'ko': 'kor',
- 'kr': 'kau',
- 'ks': 'kas',
- 'ku': 'kur',
- 'kv': 'kom',
- 'kw': 'cor',
- 'ky': 'kir',
- 'la': 'lat',
- 'lb': 'ltz',
- 'lg': 'lug',
- 'li': 'lim',
- 'ln': 'lin',
- 'lo': 'lao',
- 'lt': 'lit',
- 'lu': 'lub',
- 'lv': 'lav',
- 'mg': 'mlg',
- 'mh': 'mah',
- 'mi': 'mri',
- 'mk': 'mkd',
- 'ml': 'mal',
- 'mn': 'mon',
- 'mr': 'mar',
- 'ms': 'msa',
- 'mt': 'mlt',
- 'my': 'mya',
- 'na': 'nau',
- 'nb': 'nob',
- 'nd': 'nde',
- 'ne': 'nep',
- 'ng': 'ndo',
- 'nl': 'nld',
- 'nn': 'nno',
- 'no': 'nor',
- 'nr': 'nbl',
- 'nv': 'nav',
- 'ny': 'nya',
- 'oc': 'oci',
- 'oj': 'oji',
- 'om': 'orm',
- 'or': 'ori',
- 'os': 'oss',
- 'pa': 'pan',
- 'pi': 'pli',
- 'pl': 'pol',
- 'ps': 'pus',
- 'pt': 'por',
- 'qu': 'que',
- 'rm': 'roh',
- 'rn': 'run',
- 'ro': 'ron',
- 'ru': 'rus',
- 'rw': 'kin',
- 'sa': 'san',
- 'sc': 'srd',
- 'sd': 'snd',
- 'se': 'sme',
- 'sg': 'sag',
- 'si': 'sin',
- 'sk': 'slk',
- 'sl': 'slv',
- 'sm': 'smo',
- 'sn': 'sna',
- 'so': 'som',
- 'sq': 'sqi',
- 'sr': 'srp',
- 'ss': 'ssw',
- 'st': 'sot',
- 'su': 'sun',
- 'sv': 'swe',
- 'sw': 'swa',
- 'ta': 'tam',
- 'te': 'tel',
- 'tg': 'tgk',
- 'th': 'tha',
- 'ti': 'tir',
- 'tk': 'tuk',
- 'tl': 'tgl',
- 'tn': 'tsn',
- 'to': 'ton',
- 'tr': 'tur',
- 'ts': 'tso',
- 'tt': 'tat',
- 'tw': 'twi',
- 'ty': 'tah',
- 'ug': 'uig',
- 'uk': 'ukr',
- 'ur': 'urd',
- 'uz': 'uzb',
- 've': 'ven',
- 'vi': 'vie',
- 'vo': 'vol',
- 'wa': 'wln',
- 'wo': 'wol',
- 'xh': 'xho',
- 'yi': 'yid',
- 'yo': 'yor',
- 'za': 'zha',
- 'zh': 'zho',
- 'zu': 'zul',
- }
-
- def __init__(self, downloader=None, subtitlesformat='srt'):
- super(FFmpegEmbedSubtitlePP, self).__init__(downloader)
- self._subformat = subtitlesformat
-
- @classmethod
- def _conver_lang_code(cls, code):
- """Convert language code from ISO 639-1 to ISO 639-2/T"""
- return cls._lang_map.get(code[:2])
-
def run(self, information):
- if information['ext'] != 'mp4':
- self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 files')
- return True, information
- if not information.get('subtitles'):
+ if information['ext'] not in ('mp4', 'webm', 'mkv'):
+ self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4, webm or mkv files')
+ return [], information
+ subtitles = information.get('requested_subtitles')
+ if not subtitles:
self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed')
- return True, information
+ return [], information
- sub_langs = [key for key in information['subtitles']]
filename = information['filepath']
- input_files = [filename] + [subtitles_filename(filename, lang, self._subformat) for lang in sub_langs]
+
+ ext = information['ext']
+ sub_langs = []
+ sub_filenames = []
+ webm_vtt_warn = False
+
+ for lang, sub_info in subtitles.items():
+ sub_ext = sub_info['ext']
+ if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
+ sub_langs.append(lang)
+ sub_filenames.append(subtitles_filename(filename, lang, sub_ext))
+ else:
+ if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
+ webm_vtt_warn = True
+ self._downloader.to_screen('[ffmpeg] Only WebVTT subtitles can be embedded in webm files')
+
+ if not sub_langs:
+ return [], information
+
+ input_files = [filename] + sub_filenames
opts = [
'-map', '0',
# Don't copy the existing subtitles, we may be running the
# postprocessor a second time
'-map', '-0:s',
- '-c:s', 'mov_text',
]
+ if information['ext'] == 'mp4':
+ opts += ['-c:s', 'mov_text']
for (i, lang) in enumerate(sub_langs):
opts.extend(['-map', '%d:0' % (i + 1)])
- lang_code = self._conver_lang_code(lang)
+ lang_code = ISO639Utils.short2long(lang)
if lang_code is not None:
opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
- return True, information
+ return sub_filenames, information
class FFmpegMetadataPP(FFmpegPostProcessor):
def run(self, info):
metadata = {}
- if info.get('title') is not None:
- metadata['title'] = info['title']
- if info.get('upload_date') is not None:
- metadata['date'] = info['upload_date']
- if info.get('uploader') is not None:
- metadata['artist'] = info['uploader']
- elif info.get('uploader_id') is not None:
- metadata['artist'] = info['uploader_id']
+
+ def add(meta_list, info_list=None):
+ if not info_list:
+ info_list = meta_list
+ if not isinstance(meta_list, (list, tuple)):
+ meta_list = (meta_list,)
+ if not isinstance(info_list, (list, tuple)):
+ info_list = (info_list,)
+ for info_f in info_list:
+ if info.get(info_f) is not None:
+ for meta_f in meta_list:
+ metadata[meta_f] = info[info_f]
+ break
+
+ add('title', ('track', 'title'))
+ add('date', 'upload_date')
+ add(('description', 'comment'), 'description')
+ add('purl', 'webpage_url')
+ add('track', 'track_number')
+ add('artist', ('artist', 'creator', 'uploader', 'uploader_id'))
+ add('genre')
+ add('album')
+ add('album_artist')
+ add('disc', 'disc_number')
if not metadata:
self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add')
- return True, info
+ return [], info
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
+ in_filenames = [filename]
+ options = []
if info['ext'] == 'm4a':
- options = ['-vn', '-acodec', 'copy']
+ options.extend(['-vn', '-acodec', 'copy'])
else:
- options = ['-c', 'copy']
+ options.extend(['-c', 'copy'])
for (name, value) in metadata.items():
options.extend(['-metadata', '%s=%s' % (name, value)])
+ chapters = info.get('chapters', [])
+ if chapters:
+ metadata_filename = encodeFilename(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)
+ in_filenames.append(metadata_filename)
+ options.extend(['-map_metadata', '1'])
+
self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
- self.run_ffmpeg(filename, temp_filename, options)
+ self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options)
+ if chapters:
+ os.remove(metadata_filename)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
- return True, info
+ return [], info
class FFmpegMergerPP(FFmpegPostProcessor):
def run(self, info):
filename = info['filepath']
+ temp_filename = prepend_extension(filename, 'temp')
args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0']
self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename)
- self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args)
- return True, info
+ self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args)
+ os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+ return info['__files_to_merge'], info
+
+ def can_merge(self):
+ # TODO: figure out merge-capable ffmpeg version
+ if self.basename != 'avconv':
+ return True
+ required_version = '10-0'
+ if is_outdated_version(
+ self._versions[self.basename], required_version):
+ warning = ('Your copy of %s is outdated and unable to properly mux separate video and audio files, '
+ 'youtube-dl will download single file media. '
+ 'Update %s to version %s or newer to fix this.') % (
+ self.basename, self.basename, required_version)
+ if self._downloader:
+ self._downloader.report_warning(warning)
+ return False
+ return True
-class FFmpegAudioFixPP(FFmpegPostProcessor):
+
+class FFmpegFixupStretchedPP(FFmpegPostProcessor):
def run(self, info):
+ stretched_ratio = info.get('stretched_ratio')
+ if stretched_ratio is None or stretched_ratio == 1:
+ return [], info
+
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
- options = ['-vn', '-acodec', 'copy']
- self._downloader.to_screen('[ffmpeg] Fixing audio file "%s"' % filename)
+ options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio]
+ self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
- return True, info
+ return [], info
-class FFmpegFixupStretchedPP(FFmpegPostProcessor):
+class FFmpegFixupM4aPP(FFmpegPostProcessor):
def run(self, info):
- stretched_ratio = info.get('stretched_ratio')
- if stretched_ratio is None or stretched_ratio == 1:
- return
+ if info.get('container') != 'm4a_dash':
+ return [], info
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
- options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio]
- self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename)
+ options = ['-c', 'copy', '-f', 'mp4']
+ self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
- return True, info
+ return [], info
+
+
+class FFmpegFixupM3u8PP(FFmpegPostProcessor):
+ def run(self, info):
+ filename = info['filepath']
+ if self.get_audio_codec(filename) == 'aac':
+ temp_filename = prepend_extension(filename, 'temp')
+
+ options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
+ self._downloader.to_screen('[ffmpeg] Fixing malformated aac bitstream in "%s"' % filename)
+ self.run_ffmpeg(filename, temp_filename, options)
+
+ os.remove(encodeFilename(filename))
+ os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+ return [], info
+
+
+class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
+ def __init__(self, downloader=None, format=None):
+ super(FFmpegSubtitlesConvertorPP, self).__init__(downloader)
+ self.format = format
+
+ def run(self, info):
+ subs = info.get('requested_subtitles')
+ filename = info['filepath']
+ new_ext = self.format
+ new_format = new_ext
+ if new_format == 'vtt':
+ new_format = 'webvtt'
+ if subs is None:
+ self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to convert')
+ return [], info
+ self._downloader.to_screen('[ffmpeg] Converting subtitles')
+ sub_filenames = []
+ for lang, sub in subs.items():
+ ext = sub['ext']
+ if ext == new_ext:
+ self._downloader.to_screen(
+ '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext)
+ continue
+ old_file = subtitles_filename(filename, lang, ext)
+ sub_filenames.append(old_file)
+ new_file = subtitles_filename(filename, lang, new_ext)
+
+ if ext in ('dfxp', 'ttml', 'tt'):
+ self._downloader.report_warning(
+ 'You have requested to convert dfxp (TTML) subtitles into another format, '
+ 'which results in style information loss')
+
+ dfxp_file = old_file
+ srt_file = subtitles_filename(filename, lang, 'srt')
+
+ with io.open(dfxp_file, 'rt', encoding='utf-8') as f:
+ srt_data = dfxp2srt(f.read())
+
+ with io.open(srt_file, 'wt', encoding='utf-8') as f:
+ f.write(srt_data)
+ old_file = srt_file
+
+ subs[lang] = {
+ 'ext': 'srt',
+ 'data': srt_data
+ }
+
+ if new_ext == 'srt':
+ continue
+ else:
+ sub_filenames.append(srt_file)
+
+ self.run_ffmpeg(old_file, new_file, ['-f', new_format])
+
+ with io.open(new_file, 'rt', encoding='utf-8') as f:
+ subs[lang] = {
+ 'ext': new_ext,
+ 'data': f.read(),
+ }
+
+ return sub_filenames, info
Rapsys Git / youtubedl / blobdiff