[theplatform] Correctly extract videos that don't use f4m or rtmp (reported in #3176)

youtube_dl/extractor/sbs.py

@@ -21,7 +21,7 @@ class SBSIE(InfoExtractor):
         'md5': '3150cf278965eeabb5b4cea1c963fe0a',
         'info_dict': {
             'id': '320403011771',
-            'ext': 'flv',
+            'ext': 'mp4',
             'title': 'Dingo Conservation',
             'description': 'Dingoes are on the brink of extinction; most of the animals we think are dingoes are in fact crossbred with wild dogs. This family run a dingo conservation park to prevent their extinction',
             'thumbnail': 're:http://.*\.jpg',

youtube_dl/extractor/theplatform.py

@@ -5,6 +5,7 @@
 
 from .common import InfoExtractor
 from ..utils import (
+    compat_str,
     ExtractorError,
     xpath_with_ns,
 )
@@ -55,7 +56,7 @@ def _get_info(self, video_id, smil_url):
         body = meta.find(_x('smil:body'))
 
         f4m_node = body.find(_x('smil:seq//smil:video'))
-        if f4m_node is not None:
+        if f4m_node is not None and '.f4m' in f4m_node.attrib['src']:
             f4m_url = f4m_node.attrib['src']
             if 'manifest.f4m?' not in f4m_url:
                 f4m_url += '?'
@@ -64,9 +65,10 @@ def _get_info(self, video_id, smil_url):
             f4m_url += '&g=UXWGVKRWHFSP&hdcore=3.0.3'
             formats = self._extract_f4m_formats(f4m_url, video_id)
         else:
-            base_url = head.find(_x('smil:meta')).attrib['base']
-            switch = body.find(_x('smil:switch'))
             formats = []
+            switch = body.find(_x('smil:switch'))
+            if switch is not None:
+                base_url = head.find(_x('smil:meta')).attrib['base']
                 for f in switch.findall(_x('smil:video')):
                     attr = f.attrib
                     width = int(attr['width'])
@@ -82,6 +84,16 @@ def _get_info(self, video_id, smil_url):
                         'height': height,
                         'vbr': vbr,
                     })
+            else:
+                switch = body.find(_x('smil:seq//smil:switch'))
+                for f in switch.findall(_x('smil:video')):
+                    attr = f.attrib
+                    vbr = int(attr['system-bitrate']) // 1000
+                    formats.append({
+                        'format_id': compat_str(vbr),
+                        'url': attr['src'],
+                        'vbr': vbr,
+                    })
             self._sort_formats(formats)
 
         return {