Add format fallback

This commit is contained in:
Philipp Hagemeister 2011-09-15 18:47:36 +02:00
parent 6a1ca41e17
commit 5260e68f64

View File

@ -1320,18 +1320,24 @@ class YoutubeIE(InfoExtractor):
if len(existing_formats) == 0:
self._downloader.trouble(u'ERROR: no known formats available for video')
return
if req_format is None:
if req_format is None or req_format == 'best':
video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
elif req_format == 'worst':
video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
elif req_format == '-1':
elif req_format in ('-1', 'all'):
video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
else:
# Specific format
if req_format not in url_map:
# Specific formats. We pick the first in a slash-delimeted sequence.
# For example, if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
req_formats = req_format.split('/')
video_url_list = None
for rf in req_formats:
if rf in url_map:
video_url_list = [(rf, url_map[rf])]
break
if video_url_list is None:
self._downloader.trouble(u'ERROR: requested format not available')
return
video_url_list = [(req_format, url_map[req_format])] # Specific format
else:
self._downloader.trouble(u'ERROR: no conn or url_encoded_fmt_stream_map information found in video info')
return
@ -3512,7 +3518,7 @@ def parseOpts():
video_format.add_option('-f', '--format',
action='store', dest='format', metavar='FORMAT', help='video format code')
video_format.add_option('--all-formats',
action='store_const', dest='format', help='download all available video formats', const='-1')
action='store_const', dest='format', help='download all available video formats', const='all')
video_format.add_option('--max-quality',
action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')