[naver] improve extraction

- improve geo-restriction handling
- extract automatic captions
- extract uploader metadata
- extract VLive HLS formats

youtube_dl/extractor/vlive.py

@@ -6,22 +6,18 @@ import time
 import itertools
 
 from .common import InfoExtractor
-from ..compat import (
-    compat_urllib_parse_urlencode,
-    compat_str,
-)
+from .naver import NaverBaseIE
+from ..compat import compat_str
 from ..utils import (
-    dict_get,
     ExtractorError,
-    float_or_none,
-    int_or_none,
+    merge_dicts,
     remove_start,
     try_get,
     urlencode_postdata,
 )
 
 
-class VLiveIE(InfoExtractor):
+class VLiveIE(NaverBaseIE):
     IE_NAME = 'vlive'
     _VALID_URL = r'https?://(?:(?:www|m)\.)?vlive\.tv/video/(?P<id>[0-9]+)'
     _NETRC_MACHINE = 'vlive'
@@ -34,6 +30,7 @@ class VLiveIE(InfoExtractor):
             'title': "[V LIVE] Girl's Day's Broadcast",
             'creator': "Girl's Day",
             'view_count': int,
+            'uploader_id': 'muploader_a',
         },
     }, {
         'url': 'http://www.vlive.tv/video/16937',
@@ -44,6 +41,7 @@ class VLiveIE(InfoExtractor):
             'creator': 'EXO',
             'view_count': int,
             'subtitles': 'mincount:12',
+            'uploader_id': 'muploader_j',
         },
         'params': {
             'skip_download': True,
@@ -187,45 +185,9 @@ class VLiveIE(InfoExtractor):
                     'This video is only available for CH+ subscribers')
             long_video_id, key = video_info['vid'], video_info['inkey']
 
-        playinfo = self._download_json(
-            'http://global.apis.naver.com/rmcnmv/rmcnmv/vod_play_videoInfo.json?%s'
-            % compat_urllib_parse_urlencode({
-                'videoId': long_video_id,
-                'key': key,
-                'ptc': 'http',
-                'doct': 'json',  # document type (xml or json)
-                'cpt': 'vtt',  # captions type (vtt or ttml)
-            }), video_id)
-
-        formats = [{
-            'url': vid['source'],
-            'format_id': vid.get('encodingOption', {}).get('name'),
-            'abr': float_or_none(vid.get('bitrate', {}).get('audio')),
-            'vbr': float_or_none(vid.get('bitrate', {}).get('video')),
-            'width': int_or_none(vid.get('encodingOption', {}).get('width')),
-            'height': int_or_none(vid.get('encodingOption', {}).get('height')),
-            'filesize': int_or_none(vid.get('size')),
-        } for vid in playinfo.get('videos', {}).get('list', []) if vid.get('source')]
-        self._sort_formats(formats)
-
-        view_count = int_or_none(playinfo.get('meta', {}).get('count'))
-
-        subtitles = {}
-        for caption in playinfo.get('captions', {}).get('list', []):
-            lang = dict_get(caption, ('locale', 'language', 'country', 'label'))
-            if lang and caption.get('source'):
-                subtitles[lang] = [{
-                    'ext': 'vtt',
-                    'url': caption['source']}]
-
-        info = self._get_common_fields(webpage)
-        info.update({
-            'id': video_id,
-            'formats': formats,
-            'view_count': view_count,
-            'subtitles': subtitles,
-        })
-        return info
+        return merge_dicts(
+            self._get_common_fields(webpage),
+            self._extract_video_info(video_id, long_video_id, key))
 
     def _download_init_page(self, video_id):
         return self._download_webpage(