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Merge branch 'youtube-dash-manifest'

Browse source 
Conflicts:
	youtube_dl/extractor/youtube.py
This commit is contained in:
Philipp Hagemeister 2014-01-22 19:58:31 +01:00
commit 50317b111d
4 changed files with 76 additions and 27 deletions
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2
youtube_dl/YoutubeDL.py
View file

@ -1106,6 +1106,8 @@ class YoutubeDL(object):
res += 'audio'
if fdict.get('abr') is not None:
res += '@%3dk' % fdict['abr']
if fdict.get('asr') is not None:
res += ' (%5dHz)' % fdict['asr']
if fdict.get('filesize') is not None:
if res:
res += ', '

1
youtube_dl/extractor/common.py
View file

@ -63,6 +63,7 @@ class InfoExtractor(object):
* tbr Average bitrate of audio and video in KBit/s
* abr Average audio bitrate in KBit/s
* acodec Name of the audio codec in use
* asr Audio sampling rate in Hertz
* vbr Average video bitrate in KBit/s
* vcodec Name of the video codec in use
* filesize The number of bytes, if known in advance

96
youtube_dl/extractor/youtube.py
View file

@ -27,6 +27,7 @@ from ..utils import (
get_element_by_id,
get_element_by_attribute,
ExtractorError,
int_or_none,
RegexNotFoundError,
unescapeHTML,
unified_strdate,
@ -270,6 +271,21 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
u"uploader_id": u"setindia"
}
},
{
u"url": u"http://www.youtube.com/watch?v=a9LDPn-MO4I",
u"file": u"a9LDPn-MO4I.m4a",
u"note": u"256k DASH audio (format 141) via DASH manifest",
u"params": {
u"format": "141"
},
u"info_dict": {
u"upload_date": "20121002",
u"uploader_id": "8KVIDEO",
u"description": "No description available.",
u"uploader": "8KVIDEO",
u"title": "UHDTV TEST 8K VIDEO.mp4"
}
},
]
@ -1067,18 +1083,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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.
"""
existing_formats = [x for x in self._formats if x in url_map]
if len(existing_formats) == 0:
raise ExtractorError(u'no known formats available for video')
video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
video_url_list.reverse() # order worst to best
return video_url_list
def _extract_from_m3u8(self, manifest_url, video_id):
url_map = {}
def _get_urls(_manifest):
@ -1252,7 +1256,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
video_annotations = self._extract_annotations(video_id)
# Decide which formats to download
try:
mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
if not mobj:
@ -1277,9 +1280,26 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
except ValueError:
pass
def _map_to_format_list(urlmap):
formats = []
for itag, video_real_url in urlmap.items():
dct = {
'format_id': itag,
'url': video_real_url,
'player_url': player_url,
}
dct.update(self._formats[itag])
formats.append(dct)
return formats
if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
self.report_rtmp_download()
video_url_list = [('_rtmp', video_info['conn'][0])]
formats = [{
'format_id': '_rtmp',
'protocol': 'rtmp',
'url': video_info['conn'][0],
'player_url': player_url,
}]
elif len(video_info.get('url_encoded_fmt_stream_map', [])) >= 1 or len(video_info.get('adaptive_fmts', [])) >= 1:
encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts',[''])[0]
if 'rtmpe%3Dyes' in encoded_url_map:
@ -1324,23 +1344,49 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
if 'ratebypass' not in url:
url += '&ratebypass=yes'
url_map[url_data['itag'][0]] = url
video_url_list = self._get_video_url_list(url_map)
formats = _map_to_format_list(url_map)
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)
formats = _map_to_format_list(url_map)
else:
raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
formats = []
for itag, video_real_url in video_url_list:
dct = {
'format_id': itag,
'url': video_real_url,
'player_url': player_url,
}
dct.update(self._formats[itag])
formats.append(dct)
# Look for the DASH manifest
dash_manifest_url_lst = video_info.get('dashmpd')
if dash_manifest_url_lst and dash_manifest_url_lst[0]:
try:
dash_doc = self._download_xml(
dash_manifest_url_lst[0], video_id,
note=u'Downloading DASH manifest',
errnote=u'Could not download DASH manifest')
for r in dash_doc.findall(u'.//{urn:mpeg:DASH:schema:MPD:2011}Representation'):
url_el = r.find('{urn:mpeg:DASH:schema:MPD:2011}BaseURL')
if url_el is None:
continue
format_id = r.attrib['id']
video_url = url_el.text
filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength'))
f = {
'format_id': format_id,
'url': video_url,
'width': int_or_none(r.attrib.get('width')),
'tbr': int_or_none(r.attrib.get('bandwidth'), 1000),
'asr': int_or_none(r.attrib.get('audioSamplingRate')),
'filesize': filesize,
}
try:
existing_format = next(
fo for fo in formats
if fo['format_id'] == format_id)
except StopIteration:
f.update(self._formats.get(format_id, {}))
formats.append(f)
else:
existing_format.update(f)
except (ExtractorError, KeyError) as e:
self.report_warning(u'Skipping DASH manifest: %s' % e, video_id)
self._sort_formats(formats)

4
youtube_dl/utils.py
View file

@ -1131,8 +1131,8 @@ class HEADRequest(compat_urllib_request.Request):
return "HEAD"
def int_or_none(v):
return v if v is None else int(v)
def int_or_none(v, scale=1):
return v if v is None else (int(v) // scale)
def parse_duration(s):