[facebook] Fix extraction (Closes #7252)

youtube_dl/extractor/facebook.py

@@ -14,7 +14,6 @@ from ..compat import (
 )
 from ..utils import (
     ExtractorError,
-    int_or_none,
     limit_length,
     urlencode_postdata,
     get_element_by_id,
@@ -142,15 +141,19 @@ class FacebookIE(InfoExtractor):
         data = dict(json.loads(m.group(1)))
         params_raw = compat_urllib_parse_unquote(data['params'])
         params = json.loads(params_raw)
-        video_data = params['video_data'][0]
 
         formats = []
-        for quality in ['sd', 'hd']:
-            src = video_data.get('%s_src' % quality)
-            if src is not None:
+        for format_id, f in params['video_data'].items():
+            if not f or not isinstance(f, list):
+                continue
+            for quality in ('sd', 'hd'):
+                for src_type in ('src', 'src_no_ratelimit'):
+                    src = f[0].get('%s_%s' % (quality, src_type))
+                    if src:
                         formats.append({
-                    'format_id': quality,
+                            'format_id': '%s_%s_%s' % (format_id, quality, src_type),
                             'url': src,
+                            'preference': -10 if format_id == 'progressive' else 0,
                         })
         if not formats:
             raise ExtractorError('Cannot find video formats')
@@ -171,7 +174,5 @@ class FacebookIE(InfoExtractor):
             'id': video_id,
             'title': video_title,
             'formats': formats,
-            'duration': int_or_none(video_data.get('video_duration')),
-            'thumbnail': video_data.get('thumbnail_src'),
             'uploader': uploader,
         }