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Add format fallback
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6a1ca41e17
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youtube-dl
18
youtube-dl
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@ -1320,18 +1320,24 @@ class YoutubeIE(InfoExtractor):
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if len(existing_formats) == 0:
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self._downloader.trouble(u'ERROR: no known formats available for video')
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return
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if req_format is None:
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if req_format is None or req_format == 'best':
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video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
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elif req_format == 'worst':
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video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
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elif req_format == '-1':
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elif req_format in ('-1', 'all'):
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video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
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else:
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# Specific format
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if req_format not in url_map:
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# Specific formats. We pick the first in a slash-delimeted sequence.
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# For example, if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
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req_formats = req_format.split('/')
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video_url_list = None
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for rf in req_formats:
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if rf in url_map:
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video_url_list = [(rf, url_map[rf])]
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break
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if video_url_list is None:
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self._downloader.trouble(u'ERROR: requested format not available')
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return
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video_url_list = [(req_format, url_map[req_format])] # Specific format
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else:
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self._downloader.trouble(u'ERROR: no conn or url_encoded_fmt_stream_map information found in video info')
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return
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@ -3512,7 +3518,7 @@ def parseOpts():
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video_format.add_option('-f', '--format',
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action='store', dest='format', metavar='FORMAT', help='video format code')
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video_format.add_option('--all-formats',
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action='store_const', dest='format', help='download all available video formats', const='-1')
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action='store_const', dest='format', help='download all available video formats', const='all')
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video_format.add_option('--max-quality',
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action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
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