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[facebook] Remove SWF params so that 1080P are detected

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Closes #11073

In the provided link, SWF params give up to 720P, and VideoConfig
gives 1080P for both best and bestvideo. I guess all Facebook videos
supports HTML5 now, so I remove the old detection for SWF params
This commit is contained in:
Yen Chi Hsuan 2016-10-30 18:20:55 +08:00
parent e1a0b3b81c
commit d9ee2e5cf6
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2 changed files with 23 additions and 38 deletions
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1
ChangeLog
View file

@ -1,6 +1,7 @@
version <unreleased>
Extractors
* [facebook] Improve 1080P video detection (#11073)
* [imgur] Recognize /r/ URLs (#11071)
* [openload] Fix extraction (#10408)
* [adultswim] Fix extraction (#10979)

60
youtube_dl/extractor/facebook.py
View file

@ -1,6 +1,5 @@
from __future__ import unicode_literals
import json
import re
import socket
@ -100,7 +99,8 @@ class FacebookIE(InfoExtractor):
'ext': 'mp4',
'title': '"What are you doing running in the snow?"',
'uploader': 'FailArmy',
}
},
'skip': 'Video gone',
}, {
'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
@ -110,6 +110,7 @@ class FacebookIE(InfoExtractor):
'title': 'What the Flock Is Going On In New Zealand Credit: ViralHog',
'uploader': 'S. Saint',
},
'skip': 'Video gone',
}, {
'note': 'swf params escaped',
'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
@ -119,6 +120,18 @@ class FacebookIE(InfoExtractor):
'ext': 'mp4',
'title': 'Facebook video #10153664894881749',
},
}, {
# have 1080P, but only up to 720p in swf params
'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
'md5': '0d9813160b146b3bc8744e006027fcc6',
'info_dict': {
'id': '10155529876156509',
'ext': 'mp4',
'title': 'Holocaust survivor becomes US citizen',
'timestamp': 1477818095,
'upload_date': '20161030',
'uploader': 'CNN',
},
}, {
'url': 'https://www.facebook.com/video.php?v=10204634152394104',
'only_matching': True,
@ -227,43 +240,13 @@ def _extract_from_url(self, url, video_id, fatal_if_no_video=True):
video_data = None
BEFORE = '{swf.addParam(param[0], param[1]);});'
AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
PATTERN = re.escape(BEFORE) + '(?:\n|\\\\n)(.*?)' + re.escape(AFTER)
for m in re.findall(PATTERN, webpage):
swf_params = m.replace('\\\\', '\\').replace('\\"', '"')
data = dict(json.loads(swf_params))
params_raw = compat_urllib_parse_unquote(data['params'])
video_data_candidate = json.loads(params_raw)['video_data']
for _, f in video_data_candidate.items():
if not f:
continue
if isinstance(f, dict):
f = [f]
if not isinstance(f, list):
continue
if f[0].get('video_id') == video_id:
video_data = video_data_candidate
break
if video_data:
server_js_data = self._parse_json(self._search_regex(
r'handleServerJS\(({.+})(?:\);|,")', webpage, 'server js data', default='{}'), video_id)
for item in server_js_data.get('instances', []):
if item[1][0] == 'VideoConfig':
video_data = item[2][0]['videoData']
break
def video_data_list2dict(video_data):
ret = {}
for item in video_data:
format_id = item['stream_type']
ret.setdefault(format_id, []).append(item)
return ret
if not video_data:
server_js_data = self._parse_json(self._search_regex(
r'handleServerJS\(({.+})(?:\);|,")', webpage, 'server js data', default='{}'), video_id)
for item in server_js_data.get('instances', []):
if item[1][0] == 'VideoConfig':
video_data = video_data_list2dict(item[2][0]['videoData'])
break
if not video_data:
if not fatal_if_no_video:
return webpage, False
@ -276,7 +259,8 @@ def video_data_list2dict(video_data):
raise ExtractorError('Cannot parse data')
formats = []
for format_id, f in video_data.items():
for f in video_data:
format_id = f['stream_type']
if f and isinstance(f, dict):
f = [f]
if not f or not isinstance(f, list):