diff --git a/youtube_dl/extractor/brightcove.py b/youtube_dl/extractor/brightcove.py
index 9553f82d6..5e0c4bc3e 100644
--- a/youtube_dl/extractor/brightcove.py
+++ b/youtube_dl/extractor/brightcove.py
@@ -588,11 +588,15 @@ class BrightcoveNewIE(AdobePassIE):
 
         policy_key_id = '%s_%s' % (account_id, player_id)
         policy_key = self._downloader.cache.load('brightcove', policy_key_id)
-        if not policy_key:
+        policy_key_extracted = False
+
+        def extract_policy_key():
             webpage = self._download_webpage(
                 'http://players.brightcove.net/%s/%s_%s/index.min.js'
                 % (account_id, player_id, embed), video_id)
 
+            policy_key = None
+
             catalog = self._search_regex(
                 r'catalog\(({.+?})\);', webpage, 'catalog', default=None)
             if catalog:
@@ -605,28 +609,38 @@ class BrightcoveNewIE(AdobePassIE):
                 policy_key = self._search_regex(
                     r'policyKey\s*:\s*(["\'])(?P<pk>.+?)\1',
                     webpage, 'policy key', group='pk')
+
             self._downloader.cache.store('brightcove', policy_key_id, policy_key)
+            return policy_key
 
         api_url = 'https://edge.api.brightcove.com/playback/v1/accounts/%s/%ss/%s' % (account_id, content_type, video_id)
-        headers = {
-            'Accept': 'application/json;pk=%s' % policy_key,
-        }
+        headers = {}
         referrer = smuggled_data.get('referrer')
         if referrer:
             headers.update({
                 'Referer': referrer,
                 'Origin': re.search(r'https?://[^/]+', referrer).group(0),
             })
-        try:
-            json_data = self._download_json(api_url, video_id, headers=headers)
-        except ExtractorError as e:
-            if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
-                json_data = self._parse_json(e.cause.read().decode(), video_id)[0]
-                message = json_data.get('message') or json_data['error_code']
-                if json_data.get('error_subcode') == 'CLIENT_GEO':
-                    self.raise_geo_restricted(msg=message)
-                raise ExtractorError(message, expected=True)
-            raise
+
+        for _ in range(2):
+            if not policy_key:
+                policy_key = extract_policy_key()
+                policy_key_extracted = True
+            headers['Accept'] = 'application/json;pk=%s' % policy_key
+            try:
+                json_data = self._download_json(api_url, video_id, headers=headers)
+                break
+            except ExtractorError as e:
+                if isinstance(e.cause, compat_HTTPError) and e.cause.code in (401, 403):
+                    json_data = self._parse_json(e.cause.read().decode(), video_id)[0]
+                    message = json_data.get('message') or json_data['error_code']
+                    if json_data.get('error_subcode') == 'CLIENT_GEO':
+                        self.raise_geo_restricted(msg=message)
+                    elif json_data.get('error_code') == 'INVALID_POLICY_KEY' and not policy_key_extracted:
+                        policy_key = None
+                        continue
+                    raise ExtractorError(message, expected=True)
+                raise
 
         errors = json_data.get('errors')
         if errors and errors[0].get('error_subcode') == 'TVE_AUTH':
diff --git a/youtube_dl/extractor/pornhub.py b/youtube_dl/extractor/pornhub.py
index ba0ad7da2..75ed69cde 100644
--- a/youtube_dl/extractor/pornhub.py
+++ b/youtube_dl/extractor/pornhub.py
@@ -227,12 +227,13 @@ class PornHubIE(PornHubBaseIE):
         else:
             thumbnail, duration = [None] * 2
 
-        if not video_urls:
-            tv_webpage = dl_webpage('tv')
-
+        def extract_js_vars(webpage, pattern, fatal=True):
             assignments = self._search_regex(
-                r'(var.+?mediastring.+?)</script>', tv_webpage,
-                'encoded url').split(';')
+                pattern, webpage, 'encoded url', fatal=fatal)
+            if not assignments:
+                return {}
+
+            assignments = assignments.split(';')
 
             js_vars = {}
 
@@ -254,11 +255,31 @@ class PornHubIE(PornHubBaseIE):
                 assn = re.sub(r'var\s+', '', assn)
                 vname, value = assn.split('=', 1)
                 js_vars[vname] = parse_js_value(value)
+            return js_vars
 
-            video_url = js_vars['mediastring']
-            if video_url not in video_urls_set:
-                video_urls.append((video_url, None))
-                video_urls_set.add(video_url)
+        def add_video_url(video_url):
+            v_url = url_or_none(video_url)
+            if not v_url:
+                return
+            if v_url in video_urls_set:
+                return
+            video_urls.append((v_url, None))
+            video_urls_set.add(v_url)
+
+        if not video_urls:
+            FORMAT_PREFIXES = ('media', 'quality')
+            js_vars = extract_js_vars(
+                webpage, r'(var\s+(?:%s)_.+)' % '|'.join(FORMAT_PREFIXES),
+                fatal=False)
+            if js_vars:
+                for key, format_url in js_vars.items():
+                    if any(key.startswith(p) for p in FORMAT_PREFIXES):
+                        add_video_url(format_url)
+
+        if not video_urls:
+            js_vars = extract_js_vars(
+                dl_webpage('tv'), r'(var.+?mediastring.+?)</script>')
+            add_video_url(js_vars['mediastring'])
 
         for mobj in re.finditer(
                 r'<a[^>]+\bclass=["\']downloadBtn\b[^>]+\bhref=(["\'])(?P<url>(?:(?!\1).)+)\1',
@@ -276,10 +297,16 @@ class PornHubIE(PornHubBaseIE):
                     r'/(\d{6}/\d{2})/', video_url, 'upload data', default=None)
                 if upload_date:
                     upload_date = upload_date.replace('/', '')
-            if determine_ext(video_url) == 'mpd':
+            ext = determine_ext(video_url)
+            if ext == 'mpd':
                 formats.extend(self._extract_mpd_formats(
                     video_url, video_id, mpd_id='dash', fatal=False))
                 continue
+            elif ext == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(
+                    video_url, video_id, 'mp4', entry_protocol='m3u8_native',
+                    m3u8_id='hls', fatal=False))
+                continue
             tbr = None
             mobj = re.search(r'(?P<height>\d+)[pP]?_(?P<tbr>\d+)[kK]', video_url)
             if mobj: