Add capability to download YouTube video as 3D format

[xanadu]

Sample
http://www.youtube.com/watch?v=14dzliD5NNk

Itags
82,83,84,85,100,101,102

[xanadu]

@rg3 @phihag @jaimeMF : Can I get the write permission to start contribute?

I got a patch but not sure how to commit it here

---
 youtube_dl/extractor/youtube.py |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 7c3a596..c08387c 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/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',
     }
-- 
1.7.9.5

[phihag]

@xanadu On github, you don't need write permission to contribute. Instead, you can create a pull request.

[xanadu]

Thanks.

This can be tracked at #1163