old_contents: # coding: utf-8
  from __future__ import unicode_literals
  
  from .common import InfoExtractor
  from ..utils import js_to_json
  
  
  class ScreencastOMaticIE(InfoExtractor):
      _VALID_URL = r'https?://screencast-o-matic\.com/watch/(?P<id>[0-9a-zA-Z]+)'
      _TEST = {
          'url': 'http://screencast-o-matic.com/watch/c2lD3BeOPl',
          'md5': '483583cb80d92588f15ccbedd90f0c18',
          'info_dict': {
              'id': 'c2lD3BeOPl',
              'ext': 'mp4',
              'title': 'Welcome to 3-4 Philosophy @ DECV!',
              'thumbnail': r're:^https?://.*\.jpg$',
              'description': 'as the title says! also: some general info re 1) VCE philosophy and 2) distance learning.',
              'duration': 369.163,
          }
      }
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          webpage = self._download_webpage(url, video_id)
  
          jwplayer_data = self._parse_json(
              self._search_regex(
                  r"(?s)jwplayer\('mp4Player'\).setup\((\{.*?\})\);", webpage, 'setup code'),
              video_id, transform_source=js_to_json)
  
          info_dict = self._parse_jwplayer_data(jwplayer_data, video_id, require_title=False)
          info_dict.update({
              'title': self._og_search_title(webpage),
              'description': self._og_search_description(webpage),
          })
          return info_dict
  
new_contents: # coding: utf-8
  from __future__ import unicode_literals
  
  from .common import InfoExtractor
  from ..utils import (
      get_element_by_class,
      int_or_none,
      remove_start,
      strip_or_none,
      unified_strdate,
  )
  
  
  class ScreencastOMaticIE(InfoExtractor):
      _VALID_URL = r'https?://screencast-o-matic\.com/(?:(?:watch|player)/|embed\?.*?\bsc=)(?P<id>[0-9a-zA-Z]+)'
      _TESTS = [{
          'url': 'http://screencast-o-matic.com/watch/c2lD3BeOPl',
          'md5': '483583cb80d92588f15ccbedd90f0c18',
          'info_dict': {
              'id': 'c2lD3BeOPl',
              'ext': 'mp4',
              'title': 'Welcome to 3-4 Philosophy @ DECV!',
              'thumbnail': r're:^https?://.*\.jpg$',
              'description': 'as the title says! also: some general info re 1) VCE philosophy and 2) distance learning.',
              'duration': 369,
              'upload_date': '20141216',
          }
      }, {
          'url': 'http://screencast-o-matic.com/player/c2lD3BeOPl',
          'only_matching': True,
      }, {
          'url': 'http://screencast-o-matic.com/embed?ff=true&sc=cbV2r4Q5TL&fromPH=true&a=1',
          'only_matching': True,
      }]
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          webpage = self._download_webpage(
              'https://screencast-o-matic.com/player/' + video_id, video_id)
          info = self._parse_html5_media_entries(url, webpage, video_id)[0]
          info.update({
              'id': video_id,
              'title': get_element_by_class('overlayTitle', webpage),
              'description': strip_or_none(get_element_by_class('overlayDescription', webpage)) or None,
              'duration': int_or_none(self._search_regex(
                  r'player\.duration\s*=\s*function\(\)\s*{\s*return\s+(\d+);\s*};',
                  webpage, 'duration', default=None)),
              'upload_date': unified_strdate(remove_start(
                  get_element_by_class('overlayPublished', webpage), 'Published: ')),
          })
          return info
  
subject: fix extraction(closes #11976, closes #24489)