[YoutubeDL] Improve default format specification (closes #13704)

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Sergey M․ 2017-07-23 00:12:01 +07:00
parent 327c8364f1
commit 0017d9ad6d
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GPG Key ID: 2C393E0F18A9236D
2 changed files with 34 additions and 8 deletions

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@ -449,6 +449,17 @@ class TestFormatSelection(unittest.TestCase):
pass pass
self.assertEqual(ydl.downloaded_info_dicts, []) self.assertEqual(ydl.downloaded_info_dicts, [])
def test_default_format_spec(self):
ydl = YDL({'simulate': True})
self.assertEqual(ydl._default_format_spec({}), 'bestvideo+bestaudio/best')
ydl = YDL({'outtmpl': '-'})
self.assertEqual(ydl._default_format_spec({}), 'best')
ydl = YDL({})
self.assertEqual(ydl._default_format_spec({}, download=False), 'bestvideo+bestaudio/best')
self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best')
class TestYoutubeDL(unittest.TestCase): class TestYoutubeDL(unittest.TestCase):
def test_subtitles(self): def test_subtitles(self):

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@ -1064,6 +1064,25 @@ class YoutubeDL(object):
return op(actual_value, comparison_value) return op(actual_value, comparison_value)
return _filter 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
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')
return '/'.join(req_format_list)
def build_format_selector(self, format_spec): def build_format_selector(self, format_spec):
def syntax_error(note, start): def syntax_error(note, start):
message = ( message = (
@ -1534,14 +1553,10 @@ class YoutubeDL(object):
req_format = self.params.get('format') req_format = self.params.get('format')
if req_format is None: if req_format is None:
req_format_list = [] req_format = self._default_format_spec(info_dict, download=download)
if (self.params.get('outtmpl', DEFAULT_OUTTMPL) != '-' and if self.params.get('verbose'):
not info_dict.get('is_live')): self.to_stdout('[debug] Default format spec: %s' % req_format)
merger = FFmpegMergerPP(self)
if merger.available and merger.can_merge():
req_format_list.append('bestvideo+bestaudio')
req_format_list.append('best')
req_format = '/'.join(req_format_list)
format_selector = self.build_format_selector(req_format) format_selector = self.build_format_selector(req_format)
# While in format selection we may need to have an access to the original # While in format selection we may need to have an access to the original