add support for download YouTube 3d format of 3d content

youtube_dl/extractor/youtube.py

@@ -155,9 +155,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
     # Listed in order of quality
     _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13',
                           '95', '94', '93', '92', '132', '151',
+                          '85', '84', '102', '83', '101', '82', '100',
                           ]
     _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13',
                                       '95', '94', '93', '92', '132', '151',
+                                      '85', '102', '84', '101', '83', '100', '82',
                                       ]
     _video_extensions = {
         '13': '3gp',
@@ -171,6 +173,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         '45': 'webm',
         '46': 'webm',
 
+        # 3d videos
+        '82': 'mp4',
+        '83': 'mp4',
+        '84': 'mp4',
+        '85': 'mp4',
+        '100': 'webm',
+        '101': 'webm',
+        '102': 'webm',
+        
         # videos that use m3u8
         '92': 'mp4',
         '93': 'mp4',
@@ -195,11 +206,18 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         '44': '480x854',
         '45': '720x1280',
         '46': '1080x1920',
+        '82': '360p',
+        '83': '480p',
+        '84': '720p',
+        '85': '1080p',
         '92': '240p',
         '93': '360p',
         '94': '480p',
         '95': '720p',
         '96': '1080p',
+        '100': '360p',
+        '101': '480p',
+        '102': '720p',        
         '132': '240p',
         '151': '72p',
     }