_ Git - youtube-dl/blob - youtube_dl/extractor/amp.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 from .common import InfoExtractor
   5 from ..utils import (
   6     int_or_none,
   7     parse_iso8601,
   8 )
   9
  10
  11 class AMPIE(InfoExtractor):
  12     # parse Akamai Adaptive Media Player feed
  13     def _extract_feed_info(self, url):
  14         item = self._download_json(
  15             url, None, 'Downloading Akamai AMP feed',
  16             'Unable to download Akamai AMP feed')['channel']['item']
  17
  18         video_id = item['guid']
  19
  20         def get_media_node(name, default=None):
  21             media_name = 'media-%s' % name
  22             media_group = item.get('media-group') or item
  23             return media_group.get(media_name) or item.get(media_name) or item.get(name, default)
  24
  25         thumbnails = []
  26         media_thumbnail = get_media_node('thumbnail')
  27         if media_thumbnail:
  28             if isinstance(media_thumbnail, dict):
  29                 media_thumbnail = [media_thumbnail]
  30             for thumbnail_data in media_thumbnail:
  31                 thumbnail = thumbnail_data['@attributes']
  32                 thumbnails.append({
  33                     'url': self._proto_relative_url(thumbnail['url'], 'http:'),
  34                     'width': int_or_none(thumbnail.get('width')),
  35                     'height': int_or_none(thumbnail.get('height')),
  36                 })
  37
  38         subtitles = {}
  39         media_subtitle = get_media_node('subTitle')
  40         if media_subtitle:
  41             if isinstance(media_subtitle, dict):
  42                 media_subtitle = [media_subtitle]
  43             for subtitle_data in media_subtitle:
  44                 subtitle = subtitle_data['@attributes']
  45                 lang = subtitle.get('lang') or 'en'
  46                 subtitles[lang] = [{'url': subtitle['href']}]
  47
  48         formats = []
  49         media_content = get_media_node('content')
  50         if isinstance(media_content, dict):
  51             media_content = [media_content]
  52         for media_data in media_content:
  53             media = media_data['@attributes']
  54             media_type = media['type']
  55             if media_type == 'video/f4m':
  56                 f4m_formats = self._extract_f4m_formats(
  57                     media['url'] + '?hdcore=3.4.0&plugin=aasp-3.4.0.132.124',
  58                     video_id, f4m_id='hds', fatal=False)
  59                 if f4m_formats:
  60                     formats.extend(f4m_formats)
  61             elif media_type == 'application/x-mpegURL':
  62                 m3u8_formats = self._extract_m3u8_formats(
  63                     media['url'], video_id, 'mp4', m3u8_id='hls', fatal=False)
  64                 if m3u8_formats:
  65                     formats.extend(m3u8_formats)
  66             else:
  67                 formats.append({
  68                     'format_id': media_data['media-category']['@attributes']['label'],
  69                     'url': media['url'],
  70                     'tbr': int_or_none(media.get('bitrate')),
  71                     'filesize': int_or_none(media.get('fileSize')),
  72                 })
  73
  74         self._sort_formats(formats)
  75
  76         return {
  77             'id': video_id,
  78             'title': get_media_node('title'),
  79             'description': get_media_node('description'),
  80             'thumbnails': thumbnails,
  81             'timestamp': parse_iso8601(item.get('pubDate'), ' '),
  82             'duration': int_or_none(media_content[0].get('@attributes', {}).get('duration')),
  83             'formats': formats,
  84         }