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[core] Warn if lack of ffmpeg alters format selection (#9805)

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Authored by: seproDev, pukkandan
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sepro 2024-05-05 00:44:08 +02:00 committed by GitHub
parent bec9a59e8e
commit 96da952504
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1 changed files with 32 additions and 21 deletions
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51
yt_dlp/YoutubeDL.py
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@ -2136,6 +2136,11 @@ class YoutubeDL:
def _check_formats(self, formats):
for f in formats:
working = f.get('__working')
if working is not None:
if working:
yield f
continue
self.to_screen('[info] Testing format %s' % f['format_id'])
path = self.get_output_path('temp')
if not self._ensure_dir_exists(f'{path}/'):
@ -2152,33 +2157,44 @@ class YoutubeDL:
os.remove(temp_file.name)
except OSError:
self.report_warning('Unable to delete temporary file "%s"' % temp_file.name)
f['__working'] = success
if success:
yield f
else:
self.to_screen('[info] Unable to download format %s. Skipping...' % f['format_id'])
def _select_formats(self, formats, selector):
return list(selector({
'formats': formats,
'has_merged_format': any('none' not in (f.get('acodec'), f.get('vcodec')) for f in formats),
'incomplete_formats': (all(f.get('vcodec') == 'none' for f in formats) # No formats with video
or all(f.get('acodec') == 'none' for f in formats)), # OR, No formats with audio
}))
def _default_format_spec(self, info_dict, download=True):
download = download and not self.params.get('simulate')
prefer_best = download and (
self.params['outtmpl']['default'] == '-'
or info_dict.get('is_live') and not self.params.get('live_from_start'))
def can_merge():
merger = FFmpegMergerPP(self)
return merger.available and merger.can_merge()
prefer_best = (
not self.params.get('simulate')
and download
and (
not can_merge()
or info_dict.get('is_live') and not self.params.get('live_from_start')
or self.params['outtmpl']['default'] == '-'))
compat = (
prefer_best
or self.params.get('allow_multiple_audio_streams', False)
if not prefer_best and download and not can_merge():
prefer_best = True
formats = self._get_formats(info_dict)
evaluate_formats = lambda spec: self._select_formats(formats, self.build_format_selector(spec))
if evaluate_formats('b/bv+ba') != evaluate_formats('bv*+ba/b'):
self.report_warning('ffmpeg not found. The downloaded format may not be the best available. '
'Installing ffmpeg is strongly recommended: https://github.com/yt-dlp/yt-dlp#dependencies')
compat = (self.params.get('allow_multiple_audio_streams')
or 'format-spec' in self.params['compat_opts'])
return (
'best/bestvideo+bestaudio' if prefer_best
else 'bestvideo*+bestaudio/best' if not compat
else 'bestvideo+bestaudio/best')
return ('best/bestvideo+bestaudio' if prefer_best
else 'bestvideo+bestaudio/best' if compat
else 'bestvideo*+bestaudio/best')
def build_format_selector(self, format_spec):
def syntax_error(note, start):
@ -2928,12 +2944,7 @@ class YoutubeDL:
self.write_debug(f'Default format spec: {req_format}')
format_selector = self.build_format_selector(req_format)
formats_to_download = list(format_selector({
'formats': formats,
'has_merged_format': any('none' not in (f.get('acodec'), f.get('vcodec')) for f in formats),
'incomplete_formats': (all(f.get('vcodec') == 'none' for f in formats) # No formats with video
or all(f.get('acodec') == 'none' for f in formats)), # OR, No formats with audio
}))
formats_to_download = self._select_formats(formats, format_selector)
if interactive_format_selection and not formats_to_download:
self.report_error('Requested format is not available', tb=False, is_error=False)
continue