id: Video identifier.
title: Video title, unescaped.
- Additionally, it must contain either a formats entry or url and ext:
+ Additionally, it must contain either a formats entry or a url one:
- formats: A list of dictionaries for each format available, it must
- be ordered from worst to best quality. Potential fields:
+ formats: A list of dictionaries for each format available, ordered
+ from worst to best quality.
+
+ Potential fields:
* url Mandatory. The URL of the video file
* ext Will be calculated from url if missing
* format A human-readable description of the format
("3D" or "DASH video")
* width Width of the video, if known
* height Height of the video, if known
+ * resolution Textual description of width and height
* abr Average audio bitrate in KBit/s
* acodec Name of the audio codec in use
* vbr Average video bitrate in KBit/s
* vcodec Name of the video codec in use
* filesize The number of bytes, if known in advance
* player_url SWF Player URL (used for rtmpdump).
+ * preference Order number of this format. If this field is
+ present, the formats get sorted by this field.
+ -1 for default (order by other properties),
+ -2 or smaller for less than default.
url: Final video URL.
ext: Video filename extension.
format: The video format, defaults to ext (used for --get-format)
}
return RATING_TABLE.get(rating.lower(), None)
+ def _sort_formats(self, formats):
+ def _formats_key(f):
+ # TODO remove the following workaround
+ from ..utils import determine_ext
+ if not f.get('ext') and 'url' in f:
+ f['ext'] = determine_ext(f['url'])
+
+ preference = f.get('preference')
+ if preference is None:
+ preference = 0 if f.get('url', '').startswith('http') else -0.1
+ if f.get('ext') in ['f4f', 'f4m']: # Not yet supported
+ preference -= 0.5
+
+ if f.get('vcodec') == 'none': # audio only
+ if self._downloader.params.get('prefer_free_formats'):
+ ORDER = [u'aac', u'mp3', u'm4a', u'webm', u'ogg', u'opus']
+ else:
+ ORDER = [u'webm', u'opus', u'ogg', u'mp3', u'aac', u'm4a']
+ ext_preference = 0
+ try:
+ audio_ext_preference = ORDER.index(f['ext'])
+ except ValueError:
+ audio_ext_preference = -1
+ else:
+ if self._downloader.params.get('prefer_free_formats'):
+ ORDER = [u'flv', u'mp4', u'webm']
+ else:
+ ORDER = [u'webm', u'flv', u'mp4']
+ try:
+ ext_preference = ORDER.index(f['ext'])
+ except ValueError:
+ ext_preference = -1
+ audio_ext_preference = 0
+
+ return (
+ preference,
+ f.get('height') if f.get('height') is not None else -1,
+ f.get('width') if f.get('width') is not None else -1,
+ ext_preference,
+ f.get('vbr') if f.get('vbr') is not None else -1,
+ f.get('abr') if f.get('abr') is not None else -1,
+ audio_ext_preference,
+ f.get('filesize') if f.get('filesize') is not None else -1,
+ f.get('format_id'),
+ )
+ formats.sort(key=_formats_key)
class SearchInfoExtractor(InfoExtractor):