[tv4] improve extraction(closes #11698)

- remove check for requires_subscription
- extract more formats
- extract subtitles

youtube_dl/extractor/tv4.py

@@ -4,11 +4,10 @@
 from .common import InfoExtractor
 from ..compat import compat_str
 from ..utils import (
-    ExtractorError,
     int_or_none,
     parse_iso8601,
     try_get,
-    update_url_query,
+    determine_ext,
 )
 
 
@@ -28,7 +27,7 @@ class TV4IE(InfoExtractor):
     _TESTS = [
         {
             'url': 'http://www.tv4.se/kalla-fakta/klipp/kalla-fakta-5-english-subtitles-2491650',
-            'md5': '909d6454b87b10a25aa04c4bdd416a9b',
+            'md5': 'cb837212f342d77cec06e6dad190e96d',
             'info_dict': {
                 'id': '2491650',
                 'ext': 'mp4',
@@ -40,7 +39,7 @@ class TV4IE(InfoExtractor):
         },
         {
             'url': 'http://www.tv4play.se/iframe/video/3054113',
-            'md5': '77f851c55139ffe0ebd41b6a5552489b',
+            'md5': 'cb837212f342d77cec06e6dad190e96d',
             'info_dict': {
                 'id': '3054113',
                 'ext': 'mp4',
@@ -75,11 +74,10 @@ def _real_extract(self, url):
         # If is_geo_restricted is true, it doesn't necessarily mean we can't download it
         if info.get('is_geo_restricted'):
             self.report_warning('This content might not be available in your country due to licensing restrictions.')
-        if info.get('requires_subscription'):
-            raise ExtractorError('This content requires subscription.', expected=True)
 
         title = info['title']
 
+        subtitles = {}
         formats = []
         # http formats are linked with unresolvable host
         for kind in ('hls', ''):
@@ -87,26 +85,41 @@ def _real_extract(self, url):
                 'https://prima.tv4play.se/api/web/asset/%s/play.json' % video_id,
                 video_id, 'Downloading sources JSON', query={
                     'protocol': kind,
-                    'videoFormat': 'MP4+WEBVTTS+WEBVTT',
+                    'videoFormat': 'MP4+WEBVTT',
                 })
-            item = try_get(data, lambda x: x['playback']['items']['item'], dict)
+            items = try_get(data, lambda x: x['playback']['items']['item'])
+            if not items:
+                continue
+            if isinstance(items, dict):
+                items = [items]
+            for item in items:
                 manifest_url = item.get('url')
                 if not isinstance(manifest_url, compat_str):
                     continue
-            if kind == 'hls':
+                ext = determine_ext(manifest_url)
+                if ext == 'm3u8':
                     formats.extend(self._extract_m3u8_formats(
                         manifest_url, video_id, 'mp4', entry_protocol='m3u8_native',
                         m3u8_id=kind, fatal=False))
-            else:
-                formats.extend(self._extract_f4m_formats(
-                    update_url_query(manifest_url, {'hdcore': '3.8.0'}),
-                    video_id, f4m_id='hds', fatal=False))
+                elif ext == 'f4m':
+                    formats.extend(self._extract_akamai_formats(
+                        manifest_url, video_id, {
+                            'hls': 'tv4play-i.akamaihd.net',
+                        }))
+                elif ext == 'webvtt':
+                    subtitles = self._merge_subtitles(
+                        subtitles, {
+                            'sv': [{
+                                'url': manifest_url,
+                                'ext': 'vtt',
+                            }]})
         self._sort_formats(formats)
 
         return {
             'id': video_id,
             'title': title,
             'formats': formats,
+            'subtitles': subtitles,
             'description': info.get('description'),
             'timestamp': parse_iso8601(info.get('broadcast_date_time')),
             'duration': int_or_none(info.get('duration')),