from __future__ import unicode_literals
+import io
import os
import subprocess
-import sys
import time
class FFmpegPostProcessor(PostProcessor):
def __init__(self, downloader=None, deletetempfiles=False):
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warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.'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)
-
- @property
- def available(self):
- return self._executable is not None
+ def get_versions(downloader=None):
+ return FFmpegPostProcessor(downloader)._versions
- @property
- def _executable(self):
- if self._downloader.params.get('prefer_ffmpeg', False):
+ def _determine_executables(self):
+ programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
+ prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False)
+
+ self.basename = None
+ self.probe_basename = None
+
+ self._paths = None
+ self._versions = None
+ if self._downloader:
+ 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
- def _uses_avconv(self):
- return self._executable == 'avconv'
+ @property
+ def available(self):
+ return self.basename is not None
+
+ @property
+ def executable(self):
+ return self._paths[self.basename]
+
+ @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()
files_cmd = []
for path in input_paths:
files_cmd.extend([encodeArgument('-i'), encodeFilename(path, True)])
- cmd = ([encodeFilename(self._executable, True), encodeArgument('-y')] +
+ 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')
def get_audio_codec(self, path):
- if not self._probe_executable:
+ if not self.probe_executable:
raise PostProcessingError('ffprobe or avprobe not found. Please install one.')
try:
cmd = [
- encodeFilename(self._probe_executable, True),
+ 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)
+ 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
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']
+ more_opts = ['-bsf:a', 'aac_adtstoasc']
elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']:
# Lossless if possible
acodec = 'copy'
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]
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':
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._downloader.to_screen('[' + self.basename + '] 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)
+ 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:
+ except Exception:
self._downloader.report_warning('Cannot update utime of audio file')
information['filepath'] = new_path
'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"""
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'):
+ subtitles = information.get('requested_subtitles')
+ if not subtitles:
self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed')
return True, information
- sub_langs = [key for key in information['subtitles']]
+ sub_langs = list(subtitles.keys())
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']
+ input_files = [filename] + [subtitles_filename(filename, lang, sub_info['ext']) for lang, sub_info in subtitles.items()]
+
+ opts = [
+ '-map', '0',
+ '-c', 'copy',
+ # Don't copy the existing subtitles, we may be running the
+ # postprocessor a second time
+ '-map', '-0:s',
+ '-c:s', 'mov_text',
+ ]
for (i, lang) in enumerate(sub_langs):
- opts.extend(['-map', '%d:0' % (i + 1), '-c:s:%d' % i, 'mov_text'])
+ opts.extend(['-map', '%d:0' % (i + 1)])
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 + '.temp'
+ 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))
metadata['title'] = info['title']
if info.get('upload_date') is not None:
metadata['date'] = info['upload_date']
- if info.get('uploader') is not None:
+ if info.get('artist') is not None:
+ metadata['artist'] = info['artist']
+ elif info.get('uploader') is not None:
metadata['artist'] = info['uploader']
elif info.get('uploader_id') is not None:
metadata['artist'] = info['uploader_id']
+ if info.get('description') is not None:
+ metadata['description'] = info['description']
+ metadata['comment'] = info['description']
+ if info.get('webpage_url') is not None:
+ metadata['purl'] = info['webpage_url']
+ if info.get('album') is not None:
+ metadata['album'] = info['album']
if not metadata:
self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add')
def run(self, info):
stretched_ratio = info.get('stretched_ratio')
if stretched_ratio is None or stretched_ratio == 1:
- return
+ return True, info
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
return True, info
+
+
+class FFmpegFixupM4aPP(FFmpegPostProcessor):
+ def run(self, info):
+ if info.get('container') != 'm4a_dash':
+ return True, 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 True, 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 True, info
+ self._downloader.to_screen('[ffmpeg] Converting subtitles')
+ 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
+ new_file = subtitles_filename(filename, lang, new_ext)
+ self.run_ffmpeg(
+ subtitles_filename(filename, lang, ext),
+ new_file, ['-f', new_format])
+
+ with io.open(new_file, 'rt', encoding='utf-8') as f:
+ subs[lang] = {
+ 'ext': ext,
+ 'data': f.read(),
+ }
+
+ return True, info
projects / youtube-dl / blobdiff