mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-22 22:12:55 +08:00
76b1bd672d
Affects the ffmpeg post processors, if ‘--prefer-ffmpeg’ is given and both avconv and ffmpeg are installed, it will use ffmpeg. Otherwise it will follow the old behaviour.
485 lines
16 KiB
Python
485 lines
16 KiB
Python
import os
|
|
import subprocess
|
|
import sys
|
|
import time
|
|
|
|
|
|
from .common import AudioConversionError, PostProcessor
|
|
|
|
from ..utils import (
|
|
check_executable,
|
|
compat_subprocess_get_DEVNULL,
|
|
encodeFilename,
|
|
PostProcessingError,
|
|
prepend_extension,
|
|
shell_quote,
|
|
subtitles_filename,
|
|
)
|
|
|
|
|
|
|
|
class FFmpegPostProcessorError(PostProcessingError):
|
|
pass
|
|
|
|
class FFmpegPostProcessor(PostProcessor):
|
|
def __init__(self,downloader=None):
|
|
PostProcessor.__init__(self, downloader)
|
|
self._exes = self.detect_executables()
|
|
|
|
@staticmethod
|
|
def detect_executables():
|
|
programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
|
|
return dict((program, check_executable(program, ['-version'])) for program in programs)
|
|
|
|
def _get_executable(self):
|
|
if self._downloader.params.get('prefer_ffmpeg', False):
|
|
return self._exes['ffmpeg'] or self._exes['avconv']
|
|
else:
|
|
return self._exes['avconv'] or self._exes['ffmpeg']
|
|
|
|
def _uses_avconv(self):
|
|
return self._get_executable() == self._exes['avconv']
|
|
|
|
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
|
|
if not self._get_executable():
|
|
raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.')
|
|
|
|
files_cmd = []
|
|
for path in input_paths:
|
|
files_cmd.extend(['-i', encodeFilename(path, True)])
|
|
cmd = ([self._get_executable(), '-y'] + files_cmd
|
|
+ opts +
|
|
[encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
|
|
|
|
if self._downloader.params.get('verbose', False):
|
|
self._downloader.to_screen(u'[debug] ffmpeg command line: %s' % shell_quote(cmd))
|
|
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=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)
|
|
|
|
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(u'-'):
|
|
return u'./' + fn
|
|
return fn
|
|
|
|
|
|
class FFmpegExtractAudioPP(FFmpegPostProcessor):
|
|
def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, nopostoverwrites=False):
|
|
FFmpegPostProcessor.__init__(self, downloader)
|
|
if preferredcodec is None:
|
|
preferredcodec = 'best'
|
|
self._preferredcodec = preferredcodec
|
|
self._preferredquality = preferredquality
|
|
self._nopostoverwrites = nopostoverwrites
|
|
|
|
def get_audio_codec(self, path):
|
|
if not self._exes['ffprobe'] and not self._exes['avprobe']:
|
|
raise PostProcessingError(u'ffprobe or avprobe not found. Please install one.')
|
|
try:
|
|
cmd = [
|
|
self._exes['avprobe'] or self._exes['ffprobe'],
|
|
'-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 = []
|
|
else:
|
|
acodec_opts = ['-acodec', codec]
|
|
opts = ['-vn'] + acodec_opts + more_opts
|
|
try:
|
|
FFmpegPostProcessor.run_ffmpeg(self, path, out_path, opts)
|
|
except FFmpegPostProcessorError as err:
|
|
raise AudioConversionError(err.msg)
|
|
|
|
def run(self, information):
|
|
path = information['filepath']
|
|
|
|
filecodec = self.get_audio_codec(path)
|
|
if filecodec is None:
|
|
raise PostProcessingError(u'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']:
|
|
# Lossless if possible
|
|
acodec = 'copy'
|
|
extension = filecodec
|
|
if filecodec == 'aac':
|
|
more_opts = ['-f', 'adts']
|
|
if filecodec == 'vorbis':
|
|
extension = 'ogg'
|
|
else:
|
|
# MP3 otherwise.
|
|
acodec = 'libmp3lame'
|
|
extension = 'mp3'
|
|
more_opts = []
|
|
if self._preferredquality is not None:
|
|
if int(self._preferredquality) < 10:
|
|
more_opts += ['-q:a' if uses_avconv else '-aq', self._preferredquality]
|
|
else:
|
|
more_opts += ['-b:a' if uses_avconv else '-ab', self._preferredquality + 'k']
|
|
else:
|
|
# We convert the audio (lossy)
|
|
acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'opus': 'opus', 'vorbis': 'libvorbis', 'wav': None}[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]
|
|
else:
|
|
more_opts += ['-b:a' if uses_avconv else '-ab', 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']
|
|
if self._preferredcodec == 'vorbis':
|
|
extension = 'ogg'
|
|
if self._preferredcodec == 'wav':
|
|
extension = 'wav'
|
|
more_opts += ['-f', 'wav']
|
|
|
|
prefix, sep, ext = path.rpartition(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups
|
|
new_path = prefix + sep + 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
|
|
|
|
try:
|
|
if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
|
|
self._downloader.to_screen(u'[youtube] Post-process file %s exists, skipping' % new_path)
|
|
else:
|
|
self._downloader.to_screen(u'[' + self._get_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 = u'audio conversion failed: ' + e.msg
|
|
else:
|
|
msg = u'error running ' + self._get_executable()
|
|
raise PostProcessingError(msg)
|
|
|
|
# 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(u'Cannot update utime of audio file')
|
|
|
|
information['filepath'] = new_path
|
|
return self._nopostoverwrites,information
|
|
|
|
|
|
class FFmpegVideoConvertor(FFmpegPostProcessor):
|
|
def __init__(self, downloader=None,preferedformat=None):
|
|
super(FFmpegVideoConvertor, self).__init__(downloader)
|
|
self._preferedformat=preferedformat
|
|
|
|
def run(self, information):
|
|
path = information['filepath']
|
|
prefix, sep, ext = path.rpartition(u'.')
|
|
outpath = prefix + sep + self._preferedformat
|
|
if information['ext'] == self._preferedformat:
|
|
self._downloader.to_screen(u'[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
|
|
return True,information
|
|
self._downloader.to_screen(u'['+'ffmpeg'+'] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) +outpath)
|
|
self.run_ffmpeg(path, outpath, [])
|
|
information['filepath'] = outpath
|
|
information['format'] = self._preferedformat
|
|
information['ext'] = self._preferedformat
|
|
return False,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'] != u'mp4':
|
|
self._downloader.to_screen(u'[ffmpeg] Subtitles can only be embedded in mp4 files')
|
|
return True, information
|
|
if not information.get('subtitles'):
|
|
self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed')
|
|
return True, 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]
|
|
|
|
opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy']
|
|
for (i, lang) in enumerate(sub_langs):
|
|
opts.extend(['-map', '%d:0' % (i+1), '-c:s:%d' % i, 'mov_text'])
|
|
lang_code = self._conver_lang_code(lang)
|
|
if lang_code is not None:
|
|
opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
|
|
opts.extend(['-f', 'mp4'])
|
|
|
|
temp_filename = filename + u'.temp'
|
|
self._downloader.to_screen(u'[ffmpeg] 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))
|
|
|
|
return True, 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']
|
|
|
|
if not metadata:
|
|
self._downloader.to_screen(u'[ffmpeg] There isn\'t any metadata to add')
|
|
return True, info
|
|
|
|
filename = info['filepath']
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
|
|
options = ['-c', 'copy']
|
|
for (name, value) in metadata.items():
|
|
options.extend(['-metadata', '%s=%s' % (name, value)])
|
|
|
|
self._downloader.to_screen(u'[ffmpeg] Adding metadata to \'%s\'' % filename)
|
|
self.run_ffmpeg(filename, temp_filename, options)
|
|
os.remove(encodeFilename(filename))
|
|
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
|
|
return True, info
|
|
|
|
|
|
class FFmpegMergerPP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
filename = info['filepath']
|
|
args = ['-c', 'copy']
|
|
self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args)
|
|
return True, info
|
|
|