581 lines
22 KiB
Python
581 lines
22 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import io
|
|
import os
|
|
import subprocess
|
|
import time
|
|
|
|
|
|
from .common import AudioConversionError, PostProcessor
|
|
|
|
from ..compat import (
|
|
compat_subprocess_get_DEVNULL,
|
|
)
|
|
from ..utils import (
|
|
encodeArgument,
|
|
encodeFilename,
|
|
get_exe_version,
|
|
is_outdated_version,
|
|
PostProcessingError,
|
|
prepend_extension,
|
|
shell_quote,
|
|
subtitles_filename,
|
|
dfxp2srt,
|
|
ISO639Utils,
|
|
)
|
|
|
|
|
|
EXT_TO_OUT_FORMATS = {
|
|
"aac": "adts",
|
|
"m4a": "ipod",
|
|
"mka": "matroska",
|
|
"mkv": "matroska",
|
|
"mpg": "mpeg",
|
|
"ogv": "ogg",
|
|
"ts": "mpegts",
|
|
"wma": "asf",
|
|
"wmv": "asf",
|
|
}
|
|
|
|
|
|
class FFmpegPostProcessorError(PostProcessingError):
|
|
pass
|
|
|
|
|
|
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 or avconv not found. Please install one.')
|
|
|
|
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warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.'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)
|
|
if self._downloader:
|
|
self._downloader.report_warning(warning)
|
|
|
|
@staticmethod
|
|
def get_versions(downloader=None):
|
|
return FFmpegPostProcessor(downloader)._versions
|
|
|
|
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]:
|
|
self.basename = p
|
|
break
|
|
|
|
if prefer_ffmpeg:
|
|
prefs = ('ffprobe', 'avprobe')
|
|
else:
|
|
prefs = ('avprobe', 'ffprobe')
|
|
for p in prefs:
|
|
if self._versions[p]:
|
|
self.probe_basename = p
|
|
break
|
|
|
|
@property
|
|
def available(self):
|
|
return self.basename is not None
|
|
|
|
@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 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(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, 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)
|
|
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):
|
|
# 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):
|
|
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.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(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('WARNING: unable to obtain file audio codec with ffprobe')
|
|
|
|
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', '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', self._preferredquality]
|
|
else:
|
|
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]
|
|
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']
|
|
if self._preferredcodec == 'aac':
|
|
more_opts += ['-f', 'adts']
|
|
if self._preferredcodec == 'm4a':
|
|
more_opts += ['-bsf:a', 'aac_adtstoasc']
|
|
if self._preferredcodec == 'vorbis':
|
|
extension = 'ogg'
|
|
if self._preferredcodec == 'wav':
|
|
extension = 'wav'
|
|
more_opts += ['-f', '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
|
|
|
|
# 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)))):
|
|
self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path)
|
|
return [], information
|
|
|
|
try:
|
|
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:
|
|
self.try_utime(
|
|
new_path, time.time(), information['filetime'],
|
|
errnote='Cannot update utime of audio file')
|
|
|
|
information['filepath'] = new_path
|
|
information['ext'] = extension
|
|
|
|
return [path], information
|
|
|
|
|
|
class FFmpegVideoConvertorPP(FFmpegPostProcessor):
|
|
def __init__(self, downloader=None, preferedformat=None):
|
|
super(FFmpegVideoConvertorPP, self).__init__(downloader)
|
|
self._preferedformat = preferedformat
|
|
|
|
def run(self, information):
|
|
path = information['filepath']
|
|
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 [], 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, options)
|
|
information['filepath'] = outpath
|
|
information['format'] = self._preferedformat
|
|
information['ext'] = self._preferedformat
|
|
return [path], information
|
|
|
|
|
|
class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
|
|
def run(self, information):
|
|
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 [], information
|
|
|
|
filename = information['filepath']
|
|
|
|
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',
|
|
'-c', 'copy',
|
|
# Don't copy the existing subtitles, we may be running the
|
|
# postprocessor a second time
|
|
'-map', '-0:s',
|
|
]
|
|
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 = ISO639Utils.short2long(lang)
|
|
if lang_code is not None:
|
|
opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
|
|
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
self._downloader.to_screen('[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 sub_filenames, information
|
|
|
|
|
|
class FFmpegMetadataPP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
metadata = {}
|
|
|
|
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 [], info
|
|
|
|
filename = info['filepath']
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
|
|
if info['ext'] == 'm4a':
|
|
options = ['-vn', '-acodec', 'copy']
|
|
else:
|
|
options = ['-c', 'copy']
|
|
|
|
for (name, value) in metadata.items():
|
|
options.extend(['-metadata', '%s=%s' % (name, value)])
|
|
|
|
self._downloader.to_screen('[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 [], 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'], 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 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 = ['-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 [], info
|
|
|
|
|
|
class FFmpegFixupM4aPP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
if info.get('container') != 'm4a_dash':
|
|
return [], info
|
|
|
|
filename = info['filepath']
|
|
temp_filename = prepend_extension(filename, 'temp')
|
|
|
|
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 [], info
|
|
|
|
|
|
class FFmpegFixupM3u8PP(FFmpegPostProcessor):
|
|
def run(self, info):
|
|
filename = info['filepath']
|
|
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 == 'dfxp' or ext == 'ttml' or ext == '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
|