format: Video format code. see "FORMAT SELECTION" for more details.
format_sort: How to sort the video formats. see "Sorting Formats" for more details.
format_sort_force: Force the given format_sort. see "Sorting Formats" for more details.
+ allow_multiple_video_streams: Allow multiple video streams to be merged into a single file
+ allow_multiple_audio_streams: Allow multiple audio streams to be merged into a single file
outtmpl: Template for output names.
restrictfilenames: Do not allow "&" and spaces in file names.
trim_file_name: Limit length of filename (extension excluded).
GROUP = 'GROUP'
FormatSelector = collections.namedtuple('FormatSelector', ['type', 'selector', 'filters'])
+ allow_multiple_streams = {'audio': self.params.get('allow_multiple_audio_streams', True),
+ 'video': self.params.get('allow_multiple_video_streams', True)}
+
def _parse_filter(tokens):
filter_parts = []
for type, string, start, _, _ in tokens:
return selectors
def _build_selector_function(selector):
- if isinstance(selector, list):
+ if isinstance(selector, list): # ,
fs = [_build_selector_function(s) for s in selector]
def selector_function(ctx):
for format in f(ctx):
yield format
return selector_function
- elif selector.type == GROUP:
+
+ elif selector.type == GROUP: # ()
selector_function = _build_selector_function(selector.selector)
- elif selector.type == PICKFIRST:
+
+ elif selector.type == PICKFIRST: # /
fs = [_build_selector_function(s) for s in selector.selector]
def selector_function(ctx):
if picked_formats:
return picked_formats
return []
- elif selector.type == SINGLE:
- format_spec = selector.selector
- def selector_function(ctx):
- formats = list(ctx['formats'])
- if not formats:
- return
- if format_spec == 'all':
- for f in formats:
- yield f
- elif format_spec in ['best', 'worst', None]:
- format_idx = 0 if format_spec == 'worst' else -1
- audiovideo_formats = [
- f for f in formats
- if f.get('vcodec') != 'none' and f.get('acodec') != 'none']
- if audiovideo_formats:
- yield audiovideo_formats[format_idx]
- # for extractors with incomplete formats (audio only (soundcloud)
- # or video only (imgur)) we will fallback to best/worst
- # {video,audio}-only format
- elif ctx['incomplete_formats']:
- yield formats[format_idx]
- elif format_spec == 'bestaudio':
- audio_formats = [
- f for f in formats
- if f.get('vcodec') == 'none']
- if audio_formats:
- yield audio_formats[-1]
- elif format_spec == 'worstaudio':
- audio_formats = [
- f for f in formats
- if f.get('vcodec') == 'none']
- if audio_formats:
- yield audio_formats[0]
- elif format_spec == 'bestvideo':
- video_formats = [
- f for f in formats
- if f.get('acodec') == 'none']
- if video_formats:
- yield video_formats[-1]
- elif format_spec == 'worstvideo':
- video_formats = [
- f for f in formats
- if f.get('acodec') == 'none']
- if video_formats:
- yield video_formats[0]
+ elif selector.type == SINGLE: # atom
+ format_spec = selector.selector if selector.selector is not None else 'best'
+
+ if format_spec == 'all':
+ def selector_function(ctx):
+ formats = list(ctx['formats'])
+ if formats:
+ for f in formats:
+ yield f
+
+ else:
+ format_fallback = False
+ format_spec_obj = re.match(r'(best|worst|b|w)(video|audio|v|a)?(\*)?$', format_spec)
+ if format_spec_obj is not None:
+ format_idx = 0 if format_spec_obj.group(1)[0] == 'w' else -1
+ format_type = format_spec_obj.group(2)[0] if format_spec_obj.group(2) else False
+ not_format_type = 'v' if format_type == 'a' else 'a'
+ format_modified = format_spec_obj.group(3) is not None
+
+ format_fallback = not format_type and not format_modified # for b, w
+ filter_f = ((lambda f: f.get(format_type + 'codec') != 'none')
+ if format_type and format_modified # bv*, ba*, wv*, wa*
+ else (lambda f: f.get(not_format_type + 'codec') == '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:
- extensions = ['mp4', 'flv', 'webm', '3gp', 'm4a', 'mp3', 'ogg', 'aac', 'wav']
- if format_spec in extensions:
- filter_f = lambda f: f['ext'] == format_spec
- else:
- filter_f = lambda f: f['format_id'] == format_spec
- matches = list(filter(filter_f, formats))
+ format_idx = -1
+ filter_f = ((lambda f: f.get('ext') == format_spec)
+ if format_spec in ['mp4', 'flv', 'webm', '3gp', 'm4a', 'mp3', 'ogg', 'aac', 'wav'] # extension
+ else (lambda f: f.get('format_id') == format_spec)) # id
+
+ def selector_function(ctx):
+ formats = list(ctx['formats'])
+ if not formats:
+ return
+ matches = list(filter(filter_f, formats)) if filter_f is not None else formats
if matches:
- yield matches[-1]
- elif selector.type == MERGE:
+ yield matches[format_idx]
+ elif format_fallback == 'force' or (format_fallback and ctx['incomplete_formats']):
+ # for extractors with incomplete formats (audio only (soundcloud)
+ # or video only (imgur)) best/worst will fallback to
+ # best/worst {video,audio}-only format
+ yield formats[format_idx]
+
+ elif selector.type == MERGE: # +
def _merge(formats_pair):
format_1, format_2 = formats_pair
formats_info.extend(format_1.get('requested_formats', (format_1,)))
formats_info.extend(format_2.get('requested_formats', (format_2,)))
+ if not allow_multiple_streams['video'] or not allow_multiple_streams['audio']:
+ get_no_more = {"video": False, "audio": False}
+ for (i, fmt_info) in enumerate(formats_info):
+ for aud_vid in ["audio", "video"]:
+ if not allow_multiple_streams[aud_vid] and fmt_info.get(aud_vid[0] + 'codec') != 'none':
+ if get_no_more[aud_vid]:
+ formats_info.pop(i)
+ get_no_more[aud_vid] = True
+
+ if len(formats_info) == 1:
+ return formats_info[0]
+
video_fmts = [fmt_info for fmt_info in formats_info if fmt_info.get('vcodec') != 'none']
audio_fmts = [fmt_info for fmt_info in formats_info if fmt_info.get('acodec') != 'none']
expected=True)
if download:
+ self.to_screen('[info] Downloading format(s) %s' % ", ".join([f['format_id'] for f in formats_to_download]))
if len(formats_to_download) > 1:
self.to_screen('[info] %s: downloading video in %s formats' % (info_dict['id'], len(formats_to_download)))
for format in formats_to_download:
for f in formats
if f.get('preference') is None or f['preference'] >= -1000]
# if len(formats) > 1:
- # table[-1][-1] += (' ' if table[-1][-1] else '') + '(best)'
+ # table[-1][-1] += (' ' if table[-1][-1] else '') + '(best*)'
header_line = ['format code', 'extension', 'resolution', 'note']
self.to_screen(
projects / yt-dlp.git / blobdiff