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[youtube] Add support for downloading videos with hlsvp (fixes #1083)

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They are downloaded with a m3u8 manifest, they seem to be encrypted, but ffmpeg can handle them.
master
Jaime Marquínez Ferrándiz 11 years ago
parent b15d4f624f
commit 1d043b93cf
1 changed files with 97 additions and 32 deletions
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129
youtube_dl/extractor/youtube.py
Unescape Escape View File

@ -153,8 +153,12 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
$"""
_NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
# Listed in order of quality
_available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
_available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13']
_available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13',
'95', '94', '93', '92', '132', '151',
]
_available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13',
'95', '94', '93', '92', '132', '151',
]
_video_extensions = {
'13': '3gp',
'17': 'mp4',
@ -166,6 +170,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
'44': 'webm',
'45': 'webm',
'46': 'webm',
# videos that use m3u8
'92': 'mp4',
'93': 'mp4',
'94': 'mp4',
'95': 'mp4',
'96': 'mp4',
'132': 'mp4',
'151': 'mp4',
}
_video_dimensions = {
'5': '240x400',
@ -182,6 +195,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
'44': '480x854',
'45': '720x1280',
'46': '1080x1920',
'92': '240p',
'93': '360p',
'94': '480p',
'95': '720p',
'96': '1080p',
'132': '240p',
'151': '72p',
}
IE_NAME = u'youtube'
_TESTS = [
@ -232,6 +252,21 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
u"uploader_id": u"justintimberlakeVEVO"
}
},
{
u'url': u'https://www.youtube.com/watch?v=TGi3HqYrWHE',
u'file': u'TGi3HqYrWHE.mp4',
u'note': u'm3u8 video',
u'info_dict': {
u'title': u'Triathlon - Men - London 2012 Olympic Games',
u'description': u'- Men - TR02 - Triathlon - 07 August 2012 - London 2012 Olympic Games',
u'uploader': u'olympic',
u'upload_date': u'20120807',
u'uploader_id': u'olympic',
},
u'params': {
u'skip_download': True,
},
},
]
@ -423,6 +458,57 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
video_id = mobj.group(2)
return video_id
def _get_video_url_list(self, url_map):
"""
Transform a dictionary in the format {itag:url} to a list of (itag, url)
with the requested formats.
"""
req_format = self._downloader.params.get('format', None)
format_limit = self._downloader.params.get('format_limit', None)
available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
if format_limit is not None and format_limit in available_formats:
format_list = available_formats[available_formats.index(format_limit):]
else:
format_list = available_formats
existing_formats = [x for x in format_list if x in url_map]
if len(existing_formats) == 0:
raise ExtractorError(u'no known formats available for video')
if self._downloader.params.get('listformats', None):
self._print_formats(existing_formats)
return
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[-1], url_map[existing_formats[-1]])] # worst quality
elif req_format in ('-1', 'all'):
video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
else:
# 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:
raise ExtractorError(u'requested format not available')
return video_url_list
def _extract_from_m3u8(self, manifest_url, video_id):
url_map = {}
def _get_urls(_manifest):
lines = _manifest.split('\n')
urls = filter(lambda l: l and not l.startswith('#'),
lines)
return urls
manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest')
formats_urls = _get_urls(manifest)
for format_url in formats_urls:
itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
url_map[itag] = format_url
return url_map
def _real_extract(self, url):
if re.match(r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$', url):
self._downloader.report_warning(u'Did you forget to quote the URL? Remember that & is a meta-character in most shells, so you want to put the URL in quotes, like youtube-dl \'http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc\' (or simply youtube-dl BaW_jenozKc ).')
@ -577,7 +663,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
# Decide which formats to download
req_format = self._downloader.params.get('format', None)
try:
mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
@ -630,36 +715,16 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
if 'ratebypass' not in url:
url += '&ratebypass=yes'
url_map[url_data['itag'][0]] = url
format_limit = self._downloader.params.get('format_limit', None)
available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
if format_limit is not None and format_limit in available_formats:
format_list = available_formats[available_formats.index(format_limit):]
else:
format_list = available_formats
existing_formats = [x for x in format_list if x in url_map]
if len(existing_formats) == 0:
raise ExtractorError(u'no known formats available for video')
if self._downloader.params.get('listformats', None):
self._print_formats(existing_formats)
video_url_list = self._get_video_url_list(url_map)
if not video_url_list:
return
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[-1], url_map[existing_formats[-1]])] # worst quality
elif req_format in ('-1', 'all'):
video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
else:
# 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:
raise ExtractorError(u'requested format not available')
elif video_info.get('hlsvp'):
manifest_url = video_info['hlsvp'][0]
url_map = self._extract_from_m3u8(manifest_url, video_id)
video_url_list = self._get_video_url_list(url_map)
if not video_url_list:
return
else:
raise ExtractorError(u'no conn or url_encoded_fmt_stream_map information found in video info')

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