[twitter] Fix extraction for videos with HLS streams

Closes #9623

youtube_dl/extractor/twitter.py

@@ -5,6 +5,7 @@
 
 from .common import InfoExtractor
 from ..utils import (
+    determine_ext,
     float_or_none,
     xpath_text,
     remove_end,
@@ -116,6 +117,9 @@ def _search_dimensions_in_video_url(a_format, video_url):
         video_url = config.get('video_url') or config.get('playlist', [{}])[0].get('source')
 
         if video_url:
+            if determine_ext(video_url) == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(video_url, video_id, ext='mp4', m3u8_id='hls'))
+            else:
                 f = {
                     'url': video_url,
                 }
@@ -263,7 +267,6 @@ class TwitterIE(InfoExtractor):
         'add_ie': ['Vine'],
     }, {
         'url': 'https://twitter.com/captainamerica/status/719944021058060289',
-        # md5 constantly changes
         'info_dict': {
             'id': '719944021058060289',
             'ext': 'mp4',
@@ -272,6 +275,9 @@ class TwitterIE(InfoExtractor):
             'uploader_id': 'captainamerica',
             'uploader': 'Captain America',
         },
+        'params': {
+            'skip_download': True,  # requires ffmpeg
+        },
     }]
 
     def _real_extract(self, url):