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Allow images formats

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Necessary for #343.

* They are identified by `vcodec=acodec='none'`
* These formats show as the worst in `-F`
* Any postprocessor that expects audio/video will be skipped
* `b*` and all related selectors will skip such formats
* This commit also does not add any selector for downloading such formats. They have to be explicitly requested by the `format_id`. Implementation of a selector is left for when #389 is resolved
This commit is contained in:
pukkandan
2021-06-13 01:32:19 +05:30
parent b0249bcaf0
commit 8326b00aab
6 changed files with 44 additions and 7 deletions
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8
yt_dlp/YoutubeDL.py
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@@ -1822,14 +1822,16 @@ class YoutubeDL(object):
format_modified = mobj.group('mod') is not None
format_fallback = not format_type and not format_modified # for b, w
filter_f = (
_filter_f = (
(lambda f: f.get('%scodec' % format_type) != 'none')
if format_type and format_modified # bv*, ba*, wv*, wa*
else (lambda f: f.get('%scodec' % not_format_type) == 'none')
if format_type # bv, ba, wv, wa
else (lambda f: f.get('vcodec') != 'none' and f.get('acodec') != 'none')
if not format_modified # b, w
else None) # b*, w*
else lambda f: True) # b*, w*
filter_f = lambda f: _filter_f(f) and (
f.get('vcodec') != 'none' or f.get('acodec') != 'none')
else:
filter_f = ((lambda f: f.get('ext') == format_spec)
if format_spec in ['mp4', 'flv', 'webm', '3gp', 'm4a', 'mp3', 'ogg', 'aac', 'wav'] # extension
@@ -2928,6 +2930,8 @@ class YoutubeDL(object):
@staticmethod
def format_resolution(format, default='unknown'):
if format.get('vcodec') == 'none':
if format.get('acodec') == 'none':
return 'images'
return 'audio only'
if format.get('resolution') is not None:
return format['resolution']