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[YoutubeDL] Improve _default_format_spec (closes #14461)

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Sergey M․
2017-10-11 23:45:03 +07:00
parent 9e38dbb19c
commit af0f74288d
2 changed files with 26 additions and 15 deletions
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31
youtube_dl/YoutubeDL.py
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@ -1078,22 +1078,27 @@ class YoutubeDL(object):
return _filter
def _default_format_spec(self, info_dict, download=True):
req_format_list = []
def can_have_partial_formats():
if self.params.get('simulate', False):
return True
if not download:
return True
if self.params.get('outtmpl', DEFAULT_OUTTMPL) == '-':
return False
if info_dict.get('is_live'):
return False
def can_merge():
merger = FFmpegMergerPP(self)
return merger.available and merger.can_merge()
if can_have_partial_formats():
req_format_list.append('bestvideo+bestaudio')
req_format_list.append('best')
def prefer_best():
if self.params.get('simulate', False):
return False
if not download:
return False
if self.params.get('outtmpl', DEFAULT_OUTTMPL) == '-':
return True
if info_dict.get('is_live'):
return True
if not can_merge():
return True
return False
req_format_list = ['bestvideo+bestaudio', 'best']
if prefer_best():
req_format_list.reverse()
return '/'.join(req_format_list)
def build_format_selector(self, format_spec):