Merge branch 'zubearc'

test/test_subtitles.py

@@ -64,8 +64,8 @@ class TestYoutubeSubtitles(BaseTestSubtitles):
         self.DL.params['allsubtitles'] = True
         subtitles = self.getSubtitles()
         self.assertEqual(len(subtitles.keys()), 13)
-        self.assertEqual(md5(subtitles['en']), '3cb210999d3e021bd6c7f0ea751eab06')
-        self.assertEqual(md5(subtitles['it']), '6d752b98c31f1cf8d597050c7a2cb4b5')
+        self.assertEqual(md5(subtitles['en']), '688dd1ce0981683867e7fe6fde2a224b')
+        self.assertEqual(md5(subtitles['it']), '31324d30b8430b309f7f5979a504a769')
         for lang in ['fr', 'de']:
             self.assertTrue(subtitles.get(lang) is not None, 'Subtitles for \'%s\' not extracted' % lang)
 
@@ -73,13 +73,13 @@ class TestYoutubeSubtitles(BaseTestSubtitles):
         self.DL.params['writesubtitles'] = True
         self.DL.params['subtitlesformat'] = 'ttml'
         subtitles = self.getSubtitles()
-        self.assertEqual(md5(subtitles['en']), 'e306f8c42842f723447d9f63ad65df54')
+        self.assertEqual(md5(subtitles['en']), 'c97ddf1217390906fa9fbd34901f3da2')
 
     def test_youtube_subtitles_vtt_format(self):
         self.DL.params['writesubtitles'] = True
         self.DL.params['subtitlesformat'] = 'vtt'
         subtitles = self.getSubtitles()
-        self.assertEqual(md5(subtitles['en']), '3cb210999d3e021bd6c7f0ea751eab06')
+        self.assertEqual(md5(subtitles['en']), 'ae1bd34126571a77aabd4d276b28044d')
 
     def test_youtube_automatic_captions(self):
         self.url = '8YoUxe5ncPo'
@@ -88,9 +88,15 @@ class TestYoutubeSubtitles(BaseTestSubtitles):
         subtitles = self.getSubtitles()
         self.assertTrue(subtitles['it'] is not None)
 
+    def test_youtube_no_automatic_captions(self):
+        self.url = 'QRS8MkLhQmM'
+        self.DL.params['writeautomaticsub'] = True
+        subtitles = self.getSubtitles()
+        self.assertTrue(not subtitles)
+
     def test_youtube_translated_subtitles(self):
         # This video has a subtitles track, which can be translated
-        self.url = 'Ky9eprVWzlI'
+        self.url = 'i0ZabxXmH4Y'
         self.DL.params['writeautomaticsub'] = True
         self.DL.params['subtitleslangs'] = ['it']
         subtitles = self.getSubtitles()

youtube_dlc/extractor/youtube.py

@@ -549,7 +549,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         '396': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
         '397': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
     }
-    _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt')
+    _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt', 'json3')
 
     _GEO_BYPASS = False
 
@@ -1577,7 +1577,12 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     player_response, video_id, fatal=False)
                 if player_response:
                     renderer = player_response['captions']['playerCaptionsTracklistRenderer']
-                    base_url = renderer['captionTracks'][0]['baseUrl']
+                    caption_tracks = renderer['captionTracks']
+                    for caption_track in caption_tracks:
+                        if 'kind' not in caption_track:
+                            # not an automatic transcription
+                            continue
+                        base_url = caption_track['baseUrl']
                         sub_lang_list = []
                         for lang in renderer['translationLanguages']:
                             lang_code = lang.get('languageCode')
@@ -1585,6 +1590,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                                 sub_lang_list.append(lang_code)
                         return make_captions(base_url, sub_lang_list)
                     
+                    self._downloader.report_warning("Couldn't find automatic captions for %s" % video_id)
+                    return {}
             # Some videos don't provide ttsurl but rather caption_tracks and
             # caption_translation_languages (e.g. 20LmZk1hakA)
             # Does not used anymore as of 22.06.2017