--- /dev/null
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import (
+ xpath_element,
+ xpath_text,
+ int_or_none,
+ parse_duration,
+)
+
+
+class GPUTechConfIE(InfoExtractor):
+ _VALID_URL = r'https?://on-demand\.gputechconf\.com/gtc/2015/video/S(?P<id>\d+)\.html'
+ _TEST = {
+ 'url': 'http://on-demand.gputechconf.com/gtc/2015/video/S5156.html',
+ 'md5': 'a8862a00a0fd65b8b43acc5b8e33f798',
+ 'info_dict': {
+ 'id': '5156',
+ 'ext': 'mp4',
+ 'title': 'Coordinating More Than 3 Million CUDA Threads for Social Network Analysis',
+ 'duration': 1219,
+ }
+ }
+
+ def _real_extract(self, url):
+ 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')
+ 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:
+ bitrate = int_or_none(xpath_text(mbr_video, 'bitrate'))
+ formats.append({
+ 'url': 'http://%s/%s' % (http_host, stream_name.replace('mp4:', '')),
+ 'tbr': bitrate,
+ 'format_id': 'http-%d' % bitrate,
+ })
+ self._sort_formats(formats)
+
+ return {
+ 'id': video_id,
+ 'title': xpath_text(metadata, 'title'),
+ 'duration': parse_duration(xpath_text(metadata, 'endTime')),
+ 'creator': xpath_text(metadata, 'speaker'),
+ 'formats': formats,
+ }