text: # coding: utf-8
  from __future__ import unicode_literals
  
  import base64
  import io
  import re
  import sys
  
  from .common import InfoExtractor
  from ..compat import (
      compat_b64decode,
      compat_struct_unpack,
  )
  from ..utils import (
      determine_ext,
      ExtractorError,
      float_or_none,
      qualities,
      remove_end,
      remove_start,
      std_headers,
  )
  
  _bytes_to_chr = (lambda x: x) if sys.version_info[0] == 2 else (lambda x: map(chr, x))
  
  
  class RTVEALaCartaIE(InfoExtractor):
      IE_NAME = 'rtve.es:alacarta'
      IE_DESC = 'RTVE a la carta'
      _VALID_URL = r'https?://(?:www\.)?rtve\.es/(m/)?(alacarta/videos|filmoteca)/[^/]+/[^/]+/(?P<id>\d+)'
  
      _TESTS = [{
          'url': 'http://www.rtve.es/alacarta/videos/balonmano/o-swiss-cup-masculina-final-espana-suecia/2491869/',
          'md5': '1d49b7e1ca7a7502c56a4bf1b60f1b43',
          'info_dict': {
              'id': '2491869',
              'ext': 'mp4',
              'title': 'Balonmano - Swiss Cup masculina. Final: España-Suecia',
              'duration': 5024.566,
              'series': 'Balonmano',
          },
          'expected_warnings': ['Failed to download MPD manifest', 'Failed to download m3u8 information'],
      }, {
          'note': 'Live stream',
          'url': 'http://www.rtve.es/alacarta/videos/television/24h-live/1694255/',
          'info_dict': {
              'id': '1694255',
              'ext': 'mp4',
              'title': 're:^24H LIVE [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
              'is_live': True,
          },
          'params': {
              'skip_download': 'live stream',
          },
      }, {
          'url': 'http://www.rtve.es/alacarta/videos/servir-y-proteger/servir-proteger-capitulo-104/4236788/',
          'md5': 'd850f3c8731ea53952ebab489cf81cbf',
          'info_dict': {
              'id': '4236788',
              'ext': 'mp4',
              'title': 'Servir y proteger - Capítulo 104',
              'duration': 3222.0,
          },
          'expected_warnings': ['Failed to download MPD manifest', 'Failed to download m3u8 information'],
      }, {
          'url': 'http://www.rtve.es/m/alacarta/videos/cuentame-como-paso/cuentame-como-paso-t16-ultimo-minuto-nuestra-vida-capitulo-276/2969138/?media=tve',
          'only_matching': True,
      }, {
          'url': 'http://www.rtve.es/filmoteca/no-do/not-1-introduccion-primer-noticiario-espanol/1465256/',
          'only_matching': True,
      }]
  
      def _real_initialize(self):
          user_agent_b64 = base64.b64encode(std_headers['User-Agent'].encode('utf-8')).decode('utf-8')
          self._manager = self._download_json(
              'http://www.rtve.es/odin/loki/' + user_agent_b64,
              None, 'Fetching manager info')['manager']
  
      @staticmethod
      def _decrypt_url(png):
          encrypted_data = io.BytesIO(compat_b64decode(png)[8:])
          while True:
              length = compat_struct_unpack('!I', encrypted_data.read(4))[0]
              chunk_type = encrypted_data.read(4)
              if chunk_type == b'IEND':
                  break
              data = encrypted_data.read(length)
              if chunk_type == b'tEXt':
                  alphabet_data, text = data.split(b'\0')
                  quality, url_data = text.split(b'%%')
                  alphabet = []
                  e = 0
                  d = 0
                  for l in _bytes_to_chr(alphabet_data):
                      if d == 0:
                          alphabet.append(l)
                          d = e = (e + 1) % 4
                      else:
                          d -= 1
                  url = ''
                  f = 0
                  e = 3
                  b = 1
                  for letter in _bytes_to_chr(url_data):
                      if f == 0:
                          l = int(letter) * 10
                          f = 1
                      else:
                          if e == 0:
                              l += int(letter)
                              url += alphabet[l]
                              e = (b + 3) % 4
                              f = 0
                              b += 1
                          else:
                              e -= 1
  
                  yield quality.decode(), url
              encrypted_data.read(4)  # CRC
  
      def _extract_png_formats(self, video_id):
          png = self._download_webpage(
              'http://www.rtve.es/ztnr/movil/thumbnail/%s/videos/%s.png' % (self._manager, video_id),
              video_id, 'Downloading url information', query={'q': 'v2'})
          q = qualities(['Media', 'Alta', 'HQ', 'HD_READY', 'HD_FULL'])
          formats = []
          for quality, video_url in self._decrypt_url(png):
              ext = determine_ext(video_url)
              if ext == 'm3u8':
                  formats.extend(self._extract_m3u8_formats(
                      video_url, video_id, 'mp4', 'm3u8_native',
                      m3u8_id='hls', fatal=False))
              elif ext == 'mpd':
                  formats.extend(self._extract_mpd_formats(
                      video_url, video_id, 'dash', fatal=False))
              else:
                  formats.append({
                      'format_id': quality,
                      'quality': q(quality),
                      'url': video_url,
                  })
          self._sort_formats(formats)
          return formats
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          info = self._download_json(
              'http://www.rtve.es/api/videos/%s/config/alacarta_videos.json' % video_id,
              video_id)['page']['items'][0]
          if info['state'] == 'DESPU':
              raise ExtractorError('The video is no longer available', expected=True)
          title = info['title'].strip()
          formats = self._extract_png_formats(video_id)
  
          subtitles = None
          sbt_file = info.get('sbtFile')
          if sbt_file:
              subtitles = self.extract_subtitles(video_id, sbt_file)
  
          is_live = info.get('live') is True
  
          return {
              'id': video_id,
              'title': self._live_title(title) if is_live else title,
              'formats': formats,
              'thumbnail': info.get('image'),
              'subtitles': subtitles,
              'duration': float_or_none(info.get('duration'), 1000),
              'is_live': is_live,
              'series': info.get('programTitle'),
          }
  
      def _get_subtitles(self, video_id, sub_file):
          subs = self._download_json(
              sub_file + '.json', video_id,
              'Downloading subtitles info')['page']['items']
          return dict(
              (s['lang'], [{'ext': 'vtt', 'url': s['src']}])
              for s in subs)
  
  
  class RTVEInfantilIE(RTVEALaCartaIE):
      IE_NAME = 'rtve.es:infantil'
      IE_DESC = 'RTVE infantil'
      _VALID_URL = r'https?://(?:www\.)?rtve\.es/infantil/serie/[^/]+/video/[^/]+/(?P<id>[0-9]+)/'
  
      _TESTS = [{
          'url': 'http://www.rtve.es/infantil/serie/cleo/video/maneras-vivir/3040283/',
          'md5': '5747454717aedf9f9fdf212d1bcfc48d',
          'info_dict': {
              'id': '3040283',
              'ext': 'mp4',
              'title': 'Maneras de vivir',
              'thumbnail': r're:https?://.+/1426182947956\.JPG',
              'duration': 357.958,
          },
          'expected_warnings': ['Failed to download MPD manifest', 'Failed to download m3u8 information'],
      }]
  
  
  class RTVELiveIE(RTVEALaCartaIE):
      IE_NAME = 'rtve.es:live'
      IE_DESC = 'RTVE.es live streams'
      _VALID_URL = r'https?://(?:www\.)?rtve\.es/directo/(?P<id>[a-zA-Z0-9-]+)'
  
      _TESTS = [{
          'url': 'http://www.rtve.es/directo/la-1/',
          'info_dict': {
              'id': 'la-1',
              'ext': 'mp4',
              'title': 're:^La 1 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
          },
          'params': {
              'skip_download': 'live stream',
          }
      }]
  
      def _real_extract(self, url):
          mobj = re.match(self._VALID_URL, url)
          video_id = mobj.group('id')
  
          webpage = self._download_webpage(url, video_id)
          title = remove_end(self._og_search_title(webpage), ' en directo en RTVE.es')
          title = remove_start(title, 'Estoy viendo ')
  
          vidplayer_id = self._search_regex(
              (r'playerId=player([0-9]+)',
               r'class=["\'].*?\blive_mod\b.*?["\'][^>]+data-assetid=["\'](\d+)',
               r'data-id=["\'](\d+)'),
              webpage, 'internal video ID')
  
          return {
              'id': video_id,
              'title': self._live_title(title),
              'formats': self._extract_png_formats(vidplayer_id),
              'is_live': True,
          }
  
  
  class RTVETelevisionIE(InfoExtractor):
      IE_NAME = 'rtve.es:television'
      _VALID_URL = r'https?://(?:www\.)?rtve\.es/television/[^/]+/[^/]+/(?P<id>\d+).shtml'
  
      _TEST = {
          'url': 'http://www.rtve.es/television/20160628/revolucion-del-movil/1364141.shtml',
          'info_dict': {
              'id': '3069778',
              'ext': 'mp4',
              'title': 'Documentos TV - La revolución del móvil',
              'duration': 3496.948,
          },
          'params': {
              'skip_download': True,
          },
      }
  
      def _real_extract(self, url):
          page_id = self._match_id(url)
          webpage = self._download_webpage(url, page_id)
  
          alacarta_url = self._search_regex(
              r'data-location="alacarta_videos"[^<]+url&quot;:&quot;(http://www\.rtve\.es/alacarta.+?)&',
              webpage, 'alacarta url', default=None)
          if alacarta_url is None:
              raise ExtractorError(
                  'The webpage doesn\'t contain any video', expected=True)
  
          return self.url_result(alacarta_url, ie=RTVEALaCartaIE.ie_key())
  