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[cleanup] Refactor fixup

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pukkandan 2021-06-20 03:49:23 +05:30
parent 4e6767b5f2
commit fd7cfb6444
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GPG Key ID: 0F00D95A001F4698
3 changed files with 62 additions and 99 deletions
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96
yt_dlp/YoutubeDL.py
View File

@ -570,14 +570,9 @@ class YoutubeDL(object):
self.add_default_info_extractors()
for pp_def_raw in self.params.get('postprocessors', []):
pp_class = get_postprocessor(pp_def_raw['key'])
pp_def = dict(pp_def_raw)
del pp_def['key']
if 'when' in pp_def:
when = pp_def['when']
del pp_def['when']
else:
when = 'post_process'
when = pp_def.pop('when', 'post_process')
pp_class = get_postprocessor(pp_def.pop('key'))
pp = pp_class(self, **compat_kwargs(pp_def))
self.add_post_processor(pp, when=when)
@ -2685,65 +2680,48 @@ class YoutubeDL(object):
return
if success and full_filename != '-':
# Fixup content
fixup_policy = self.params.get('fixup')
if fixup_policy is None:
fixup_policy = 'detect_or_warn'
INSTALL_FFMPEG_MESSAGE = 'Install ffmpeg to fix this automatically.'
def fixup():
do_fixup = True
fixup_policy = self.params.get('fixup')
vid = info_dict['id']
if fixup_policy in ('ignore', 'never'):
return
elif fixup_policy == 'warn':
do_fixup = False
assert fixup_policy in ('detect_or_warn', None)
def ffmpeg_fixup(cndn, msg, cls):
if not cndn:
return
if not do_fixup:
self.report_warning(f'{vid}: {msg}')
return
pp = cls(self)
if pp.available:
info_dict['__postprocessors'].append(pp)
else:
self.report_warning(f'{vid}: {msg}. Install ffmpeg to fix this automatically')
stretched_ratio = info_dict.get('stretched_ratio')
if stretched_ratio is not None and stretched_ratio != 1:
if fixup_policy == 'warn':
self.report_warning('%s: Non-uniform pixel ratio (%s)' % (
info_dict['id'], stretched_ratio))
elif fixup_policy == 'detect_or_warn':
stretched_pp = FFmpegFixupStretchedPP(self)
if stretched_pp.available:
info_dict['__postprocessors'].append(stretched_pp)
else:
self.report_warning(
'%s: Non-uniform pixel ratio (%s). %s'
% (info_dict['id'], stretched_ratio, INSTALL_FFMPEG_MESSAGE))
else:
assert fixup_policy in ('ignore', 'never')
ffmpeg_fixup(
stretched_ratio not in (1, None),
f'Non-uniform pixel ratio {stretched_ratio}',
FFmpegFixupStretchedPP)
if (info_dict.get('requested_formats') is None
ffmpeg_fixup(
(info_dict.get('requested_formats') is None
and info_dict.get('container') == 'm4a_dash'
and info_dict.get('ext') == 'm4a'):
if fixup_policy == 'warn':
self.report_warning(
'%s: writing DASH m4a. '
'Only some players support this container.'
% info_dict['id'])
elif fixup_policy == 'detect_or_warn':
fixup_pp = FFmpegFixupM4aPP(self)
if fixup_pp.available:
info_dict['__postprocessors'].append(fixup_pp)
else:
self.report_warning(
'%s: writing DASH m4a. '
'Only some players support this container. %s'
% (info_dict['id'], INSTALL_FFMPEG_MESSAGE))
else:
assert fixup_policy in ('ignore', 'never')
and info_dict.get('ext') == 'm4a'),
'writing DASH m4a. Only some players support this container',
FFmpegFixupM4aPP)
if ('protocol' in info_dict
and get_suitable_downloader(info_dict, self.params).__name__ == 'HlsFD'):
if fixup_policy == 'warn':
self.report_warning('%s: malformed AAC bitstream detected.' % (
info_dict['id']))
elif fixup_policy == 'detect_or_warn':
fixup_pp = FFmpegFixupM3u8PP(self)
if fixup_pp.available:
info_dict['__postprocessors'].append(fixup_pp)
else:
self.report_warning(
'%s: malformed AAC bitstream detected. %s'
% (info_dict['id'], INSTALL_FFMPEG_MESSAGE))
else:
assert fixup_policy in ('ignore', 'never')
downloader = (get_suitable_downloader(info_dict, self.params).__name__
if 'protocol' in info_dict else None)
ffmpeg_fixup(downloader == 'HlsFD', 'malformed AAC bitstream detected', FFmpegFixupM3u8PP)
fixup()
try:
info_dict = self.post_process(dl_filename, info_dict, files_to_move)
except PostProcessingError as err:

1
yt_dlp/options.py
View File

@ -1230,6 +1230,7 @@ def parseOpts(overrideArguments=None):
postproc.add_option(
'--fixup',
metavar='POLICY', dest='fixup', default=None,
choices=('never', 'ignore', 'warn', 'detect_or_warn'),
help=(
'Automatically correct known faults of the file. '
'One of never (do nothing), warn (only emit a warning), '

62
yt_dlp/postprocessor/ffmpeg.py
View File

@ -661,58 +661,42 @@ class FFmpegMergerPP(FFmpegPostProcessor):
return True
class FFmpegFixupStretchedPP(FFmpegPostProcessor):
class FFmpegFixupPostProcessor(FFmpegPostProcessor):
def _fixup(self, msg, filename, options):
temp_filename = prepend_extension(filename, 'temp')
self.to_screen('{msg} of "{filename}"')
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
class FFmpegFixupStretchedPP(FFmpegFixupPostProcessor):
@PostProcessor._restrict_to(images=False, audio=False)
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', '-map', '0', '-dn', '-aspect', '%f' % stretched_ratio]
self.to_screen('Fixing aspect ratio in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
if stretched_ratio not in (None, 1):
self._fixup('Fixing aspect ratio', info['filepath'], [
'-c', 'copy', '-map', '0', '-dn', '-aspect', '%f' % stretched_ratio])
return [], info
class FFmpegFixupM4aPP(FFmpegPostProcessor):
class FFmpegFixupM4aPP(FFmpegFixupPostProcessor):
@PostProcessor._restrict_to(images=False, video=False)
def run(self, info):
if info.get('container') != 'm4a_dash':
return [], info
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
options = ['-c', 'copy', '-map', '0', '-dn', '-f', 'mp4']
self.to_screen('Correcting container in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
if info.get('container') == 'm4a_dash':
self._fixup('Correcting container', info['filepath'], [
'-c', 'copy', '-map', '0', '-dn', '-f', 'mp4'])
return [], info
class FFmpegFixupM3u8PP(FFmpegPostProcessor):
class FFmpegFixupM3u8PP(FFmpegFixupPostProcessor):
@PostProcessor._restrict_to(images=False)
def run(self, info):
filename = info['filepath']
if self.get_audio_codec(filename) == 'aac':
temp_filename = prepend_extension(filename, 'temp')
options = ['-c', 'copy', '-map', '0', '-dn', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
self.to_screen('Fixing malformed AAC bitstream in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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'])
return [], info