[dispeak] Add new extractor

Both GDCVault and GPUTechConf uses the service of DigitalSpeaking.

1 files changed, 8 insertions, 28 deletions

diff --git a/youtube_dl/extractor/gputechconf.py b/youtube_dl/extractor/gputechconf.py
index 145b55bf3..359b348e4 100644
--- a/youtube_dl/extractor/gputechconf.py
+++ b/youtube_dl/extractor/gputechconf.py
@@ -2,12 +2,6 @@
 from __future__ import unicode_literals
 
 from .common import InfoExtractor
-from ..utils import (
-    xpath_element,
-    xpath_text,
-    int_or_none,
-    parse_duration,
-)
 
 
 class GPUTechConfIE(InfoExtractor):
@@ -27,29 +21,15 @@ class GPUTechConfIE(InfoExtractor):
         video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
 
-        root_path = self._search_regex(r'var\s+rootPath\s*=\s*"([^"]+)', webpage, 'root path', 'http://evt.dispeak.com/nvidia/events/gtc15/')
-        xml_file_id = self._search_regex(r'var\s+xmlFileId\s*=\s*"([^"]+)', webpage, 'xml file id')
-
-        doc = self._download_xml('%sxml/%s.xml' % (root_path, xml_file_id), video_id)
-
-        metadata = xpath_element(doc, 'metadata')
-        http_host = xpath_text(metadata, 'httpHost', 'http host', True)
-        mbr_videos = xpath_element(metadata, 'MBRVideos')
-
-        formats = []
-        for mbr_video in mbr_videos.findall('MBRVideo'):
-            stream_name = xpath_text(mbr_video, 'streamName')
-            if stream_name:
-                formats.append({
-                    'url': 'http://%s/%s' % (http_host, stream_name.replace('mp4:', '')),
-                    'tbr': int_or_none(xpath_text(mbr_video, 'bitrate')),
-                })
-        self._sort_formats(formats)
+        root_path = self._search_regex(
+            r'var\s+rootPath\s*=\s*"([^"]+)', webpage, 'root path',
+            default='http://evt.dispeak.com/nvidia/events/gtc15/')
+        xml_file_id = self._search_regex(
+            r'var\s+xmlFileId\s*=\s*"([^"]+)', webpage, 'xml file id')
 
         return {
+            '_type': 'url_transparent',
             'id': video_id,
-            'title': xpath_text(metadata, 'title'),
-            'duration': parse_duration(xpath_text(metadata, 'endTime')),
-            'creator': xpath_text(metadata, 'speaker'),
-            'formats': formats,
+            'url': '%sxml/%s.xml' % (root_path, xml_file_id),
+            'ie': 'DigitalSpeaking',
         }