X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Fcommon.py;h=e747258aa22378ddd25acbe3aeb5b096c32b2df3;hb=485047854376465f95309daad4966971f56728ef;hp=a9c7a8d164d7e7b126eccc78a23462b44dfb96ac;hpb=e816c9d158629ef054c1cc77eecf83043d06fe8c;p=youtube-dl

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index a9c7a8d16..e747258aa 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1,3 +1,4 @@
+# coding: utf-8
 from __future__ import unicode_literals
 
 import base64
@@ -6,6 +7,7 @@ import hashlib
 import json
 import netrc
 import os
+import random
 import re
 import socket
 import sys
@@ -21,6 +23,7 @@ from ..compat import (
     compat_os_name,
     compat_str,
     compat_urllib_error,
+    compat_urllib_parse_unquote,
     compat_urllib_parse_urlencode,
     compat_urllib_request,
     compat_urlparse,
@@ -29,34 +32,40 @@ from ..downloader.f4m import remove_encrypted_media
 from ..utils import (
     NO_DEFAULT,
     age_restricted,
+    base_url,
     bug_reports_message,
     clean_html,
     compiled_regex_type,
     determine_ext,
+    determine_protocol,
     error_to_compat_str,
     ExtractorError,
+    extract_attributes,
     fix_xml_ampersands,
     float_or_none,
+    GeoRestrictedError,
+    GeoUtils,
     int_or_none,
+    js_to_json,
+    mimetype2ext,
+    orderedSet,
+    parse_codecs,
+    parse_duration,
     parse_iso8601,
+    parse_m3u8_attributes,
     RegexNotFoundError,
-    sanitize_filename,
     sanitized_Request,
+    sanitize_filename,
     unescapeHTML,
     unified_strdate,
     unified_timestamp,
+    update_Request,
+    update_url_query,
+    urljoin,
     url_basename,
     xpath_element,
     xpath_text,
     xpath_with_ns,
-    determine_protocol,
-    parse_duration,
-    mimetype2ext,
-    update_Request,
-    update_url_query,
-    parse_m3u8_attributes,
-    extract_attributes,
-    parse_codecs,
 )
 
 
@@ -87,6 +96,9 @@ class InfoExtractor(object):
 
                     Potential fields:
                     * url        Mandatory. The URL of the video file
+                    * manifest_url
+                                 The URL of the manifest file in case of
+                                 fragmented media (DASH, hls, hds)
                     * ext        Will be calculated from URL if missing
                     * format     A human-readable description of the format
                                  ("mp4 container with h264/opus").
@@ -115,6 +127,21 @@ class InfoExtractor(object):
                                  download, lower-case.
                                  "http", "https", "rtsp", "rtmp", "rtmpe",
                                  "m3u8", "m3u8_native" or "http_dash_segments".
+                    * fragment_base_url
+                                 Base URL for fragments. Each fragment's path
+                                 value (if present) will be relative to
+                                 this URL.
+                    * fragments  A list of fragments of a fragmented media.
+                                 Each fragment entry must contain either an url
+                                 or a path. If an url is present it should be
+                                 considered by a client. Otherwise both path and
+                                 fragment_base_url must be present. Here is
+                                 the list of all potential fields:
+                                 * "url" - fragment's URL
+                                 * "path" - fragment's path relative to
+                                            fragment_base_url
+                                 * "duration" (optional, int or float)
+                                 * "filesize" (optional, int)
                     * preference Order number of this format. If this field is
                                  present and not None, the formats get sorted
                                  by this field, regardless of all other values.
@@ -178,9 +205,10 @@ class InfoExtractor(object):
     uploader_url:   Full URL to a personal webpage of the video uploader.
     location:       Physical location where the video was filmed.
     subtitles:      The available subtitles as a dictionary in the format
-                    {language: subformats}. "subformats" is a list sorted from
-                    lower to higher preference, each element is a dictionary
-                    with the "ext" entry and one of:
+                    {tag: subformats}. "tag" is usually a language code, and
+                    "subformats" is a list sorted from lower to higher
+                    preference, each element is a dictionary with the "ext"
+                    entry and one of:
                         * "data": The subtitles file contents
                         * "url": A URL pointing to the subtitles file
                     "ext" will be calculated from URL if missing
@@ -217,6 +245,10 @@ class InfoExtractor(object):
                     specified in the URL.
     end_time:       Time in seconds where the reproduction should end, as
                     specified in the URL.
+    chapters:       A list of dictionaries, with the following entries:
+                        * "start_time" - The start time of the chapter in seconds
+                        * "end_time" - The end time of the chapter in seconds
+                        * "title" (optional, string)
 
     The following fields should only be used when the video belongs to some logical
     chapter or section:
@@ -226,7 +258,7 @@ class InfoExtractor(object):
     chapter_id:     Id of the chapter the video belongs to, as a unicode string.
 
     The following fields should only be used when the video is an episode of some
-    series or programme:
+    series, programme or podcast:
 
     series:         Title of the series or programme the video episode belongs to.
     season:         Title of the season the video episode belongs to.
@@ -297,17 +329,34 @@ class InfoExtractor(object):
     _real_extract() methods and define a _VALID_URL regexp.
     Probably, they should also be added to the list of extractors.
 
+    _GEO_BYPASS attribute may be set to False in order to disable
+    geo restriction bypass mechanisms for a particular extractor.
+    Though it won't disable explicit geo restriction bypass based on
+    country code provided with geo_bypass_country. (experimental)
+
+    _GEO_COUNTRIES attribute may contain a list of presumably geo unrestricted
+    countries for this extractor. One of these countries will be used by
+    geo restriction bypass mechanism right away in order to bypass
+    geo restriction, of course, if the mechanism is not disabled. (experimental)
+
+    NB: both these geo attributes are experimental and may change in future
+    or be completely removed.
+
     Finally, the _WORKING attribute should be set to False for broken IEs
     in order to warn the users and skip the tests.
     """
 
     _ready = False
     _downloader = None
+    _x_forwarded_for_ip = None
+    _GEO_BYPASS = True
+    _GEO_COUNTRIES = None
     _WORKING = True
 
     def __init__(self, downloader=None):
         """Constructor. Receives an optional downloader."""
         self._ready = False
+        self._x_forwarded_for_ip = None
         self.set_downloader(downloader)
 
     @classmethod
@@ -327,7 +376,7 @@ class InfoExtractor(object):
             cls._VALID_URL_RE = re.compile(cls._VALID_URL)
         m = cls._VALID_URL_RE.match(url)
         assert m
-        return m.group('id')
+        return compat_str(m.group('id'))
 
     @classmethod
     def working(cls):
@@ -336,15 +385,59 @@ class InfoExtractor(object):
 
     def initialize(self):
         """Initializes an instance (authentication, etc)."""
+        self._initialize_geo_bypass(self._GEO_COUNTRIES)
         if not self._ready:
             self._real_initialize()
             self._ready = True
 
+    def _initialize_geo_bypass(self, countries):
+        """
+        Initialize geo restriction bypass mechanism.
+
+        This method is used to initialize geo bypass mechanism based on faking
+        X-Forwarded-For HTTP header. A random country from provided country list
+        is selected and a random IP belonging to this country is generated. This
+        IP will be passed as X-Forwarded-For HTTP header in all subsequent
+        HTTP requests.
+
+        This method will be used for initial geo bypass mechanism initialization
+        during the instance initialization with _GEO_COUNTRIES.
+
+        You may also manually call it from extractor's code if geo countries
+        information is not available beforehand (e.g. obtained during
+        extraction) or due to some another reason.
+        """
+        if not self._x_forwarded_for_ip:
+            country_code = self._downloader.params.get('geo_bypass_country', None)
+            # If there is no explicit country for geo bypass specified and
+            # the extractor is known to be geo restricted let's fake IP
+            # as X-Forwarded-For right away.
+            if (not country_code and
+                    self._GEO_BYPASS and
+                    self._downloader.params.get('geo_bypass', True) and
+                    countries):
+                country_code = random.choice(countries)
+            if country_code:
+                self._x_forwarded_for_ip = GeoUtils.random_ipv4(country_code)
+                if self._downloader.params.get('verbose', False):
+                    self._downloader.to_screen(
+                        '[debug] Using fake IP %s (%s) as X-Forwarded-For.'
+                        % (self._x_forwarded_for_ip, country_code.upper()))
+
     def extract(self, url):
         """Extracts URL information and returns it in list of dicts."""
         try:
-            self.initialize()
-            return self._real_extract(url)
+            for _ in range(2):
+                try:
+                    self.initialize()
+                    ie_result = self._real_extract(url)
+                    if self._x_forwarded_for_ip:
+                        ie_result['__x_forwarded_for_ip'] = self._x_forwarded_for_ip
+                    return ie_result
+                except GeoRestrictedError as e:
+                    if self.__maybe_fake_ip_and_retry(e.countries):
+                        continue
+                    raise
         except ExtractorError:
             raise
         except compat_http_client.IncompleteRead as e:
@@ -352,6 +445,21 @@ class InfoExtractor(object):
         except (KeyError, StopIteration) as e:
             raise ExtractorError('An extractor error has occurred.', cause=e)
 
+    def __maybe_fake_ip_and_retry(self, countries):
+        if (not self._downloader.params.get('geo_bypass_country', None) and
+                self._GEO_BYPASS and
+                self._downloader.params.get('geo_bypass', True) and
+                not self._x_forwarded_for_ip and
+                countries):
+            country_code = random.choice(countries)
+            self._x_forwarded_for_ip = GeoUtils.random_ipv4(country_code)
+            if self._x_forwarded_for_ip:
+                self.report_warning(
+                    'Video is geo restricted. Retrying extraction with fake IP %s (%s) as X-Forwarded-For.'
+                    % (self._x_forwarded_for_ip, country_code.upper()))
+                return True
+        return False
+
     def set_downloader(self, downloader):
         """Sets the downloader for this IE."""
         self._downloader = downloader
@@ -411,6 +519,15 @@ class InfoExtractor(object):
         if isinstance(url_or_request, (compat_str, str)):
             url_or_request = url_or_request.partition('#')[0]
 
+        # Some sites check X-Forwarded-For HTTP header in order to figure out
+        # the origin of the client behind proxy. This allows bypassing geo
+        # restriction by faking this header's value to IP that belongs to some
+        # geo unrestricted country. We will do so once we encounter any
+        # geo restriction error.
+        if self._x_forwarded_for_ip:
+            if 'X-Forwarded-For' not in headers:
+                headers['X-Forwarded-For'] = self._x_forwarded_for_ip
+
         urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
         if urlh is False:
             assert not fatal
@@ -435,6 +552,34 @@ class InfoExtractor(object):
 
         return encoding
 
+    def __check_blocked(self, content):
+        first_block = content[:512]
+        if ('<title>Access to this site is blocked</title>' in content and
+                'Websense' in first_block):
+            msg = 'Access to this webpage has been blocked by Websense filtering software in your network.'
+            blocked_iframe = self._html_search_regex(
+                r'<iframe src="([^"]+)"', content,
+                'Websense information URL', default=None)
+            if blocked_iframe:
+                msg += ' Visit %s for more details' % blocked_iframe
+            raise ExtractorError(msg, expected=True)
+        if '<title>The URL you requested has been blocked</title>' in first_block:
+            msg = (
+                'Access to this webpage has been blocked by Indian censorship. '
+                'Use a VPN or proxy server (with --proxy) to route around it.')
+            block_msg = self._html_search_regex(
+                r'</h1><p>(.*?)</p>',
+                content, 'block message', default=None)
+            if block_msg:
+                msg += ' (Message: "%s")' % block_msg.replace('\n', ' ')
+            raise ExtractorError(msg, expected=True)
+        if ('<title>TTK :: Доступ к ресурсу ограничен</title>' in content and
+                'blocklist.rkn.gov.ru' in content):
+            raise ExtractorError(
+                'Access to this webpage has been blocked by decision of the Russian government. '
+                'Visit http://blocklist.rkn.gov.ru/ for a block reason.',
+                expected=True)
+
     def _webpage_read_content(self, urlh, url_or_request, video_id, note=None, errnote=None, fatal=True, prefix=None, encoding=None):
         content_type = urlh.headers.get('Content-Type', '')
         webpage_bytes = urlh.read()
@@ -476,25 +621,7 @@ class InfoExtractor(object):
         except LookupError:
             content = webpage_bytes.decode('utf-8', 'replace')
 
-        if ('<title>Access to this site is blocked</title>' in content and
-                'Websense' in content[:512]):
-            msg = 'Access to this webpage has been blocked by Websense filtering software in your network.'
-            blocked_iframe = self._html_search_regex(
-                r'<iframe src="([^"]+)"', content,
-                'Websense information URL', default=None)
-            if blocked_iframe:
-                msg += ' Visit %s for more details' % blocked_iframe
-            raise ExtractorError(msg, expected=True)
-        if '<title>The URL you requested has been blocked</title>' in content[:512]:
-            msg = (
-                'Access to this webpage has been blocked by Indian censorship. '
-                'Use a VPN or proxy server (with --proxy) to route around it.')
-            block_msg = self._html_search_regex(
-                r'</h1><p>(.*?)</p>',
-                content, 'block message', default=None)
-            if block_msg:
-                msg += ' (Message: "%s")' % block_msg.replace('\n', ' ')
-            raise ExtractorError(msg, expected=True)
+        self.__check_blocked(content)
 
         return content
 
@@ -586,10 +713,8 @@ class InfoExtractor(object):
             expected=True)
 
     @staticmethod
-    def raise_geo_restricted(msg='This video is not available from your location due to geo restriction'):
-        raise ExtractorError(
-            '%s. You might want to use --proxy to workaround.' % msg,
-            expected=True)
+    def raise_geo_restricted(msg='This video is not available from your location due to geo restriction', countries=None):
+        raise GeoRestrictedError(msg, countries=countries)
 
     # Methods for following #608
     @staticmethod
@@ -605,6 +730,13 @@ class InfoExtractor(object):
             video_info['title'] = video_title
         return video_info
 
+    def playlist_from_matches(self, matches, playlist_id=None, playlist_title=None, getter=None, ie=None):
+        urls = orderedSet(
+            self.url_result(self._proto_relative_url(getter(m) if getter else m), ie)
+            for m in matches)
+        return self.playlist_result(
+            urls, playlist_id=playlist_id, playlist_title=playlist_title)
+
     @staticmethod
     def playlist_result(entries, playlist_id=None, playlist_title=None, playlist_description=None):
         """Returns a playlist"""
@@ -674,33 +806,36 @@ class InfoExtractor(object):
                     username = info[0]
                     password = info[2]
                 else:
-                    raise netrc.NetrcParseError('No authenticators for %s' % netrc_machine)
+                    raise netrc.NetrcParseError(
+                        'No authenticators for %s' % netrc_machine)
             except (IOError, netrc.NetrcParseError) as err:
-                self._downloader.report_warning('parsing .netrc: %s' % error_to_compat_str(err))
+                self._downloader.report_warning(
+                    'parsing .netrc: %s' % error_to_compat_str(err))
 
-        return (username, password)
+        return username, password
 
-    def _get_login_info(self):
+    def _get_login_info(self, username_option='username', password_option='password', netrc_machine=None):
         """
         Get the login info as (username, password)
-        It will look in the netrc file using the _NETRC_MACHINE value
+        First look for the manually specified credentials using username_option
+        and password_option as keys in params dictionary. If no such credentials
+        available look in the netrc file using the netrc_machine or _NETRC_MACHINE
+        value.
         If there's no info available, return (None, None)
         """
         if self._downloader is None:
             return (None, None)
 
-        username = None
-        password = None
         downloader_params = self._downloader.params
 
         # Attempt to use provided username and password or .netrc data
-        if downloader_params.get('username') is not None:
-            username = downloader_params['username']
-            password = downloader_params['password']
+        if downloader_params.get(username_option) is not None:
+            username = downloader_params[username_option]
+            password = downloader_params[password_option]
         else:
-            username, password = self._get_netrc_login_info()
+            username, password = self._get_netrc_login_info(netrc_machine)
 
-        return (username, password)
+        return username, password
 
     def _get_tfa_info(self, note='two-factor verification code'):
         """
@@ -805,7 +940,8 @@ class InfoExtractor(object):
 
     def _family_friendly_search(self, html):
         # See http://schema.org/VideoObject
-        family_friendly = self._html_search_meta('isFamilyFriendly', html)
+        family_friendly = self._html_search_meta(
+            'isFamilyFriendly', html, default=None)
 
         if not family_friendly:
             return None
@@ -845,22 +981,39 @@ class InfoExtractor(object):
             return info
         if isinstance(json_ld, dict):
             json_ld = [json_ld]
+
+        def extract_video_object(e):
+            assert e['@type'] == 'VideoObject'
+            info.update({
+                'url': e.get('contentUrl'),
+                'title': unescapeHTML(e.get('name')),
+                'description': unescapeHTML(e.get('description')),
+                'thumbnail': e.get('thumbnailUrl') or e.get('thumbnailURL'),
+                'duration': parse_duration(e.get('duration')),
+                'timestamp': unified_timestamp(e.get('uploadDate')),
+                'filesize': float_or_none(e.get('contentSize')),
+                'tbr': int_or_none(e.get('bitrate')),
+                'width': int_or_none(e.get('width')),
+                'height': int_or_none(e.get('height')),
+                'view_count': int_or_none(e.get('interactionCount')),
+            })
+
         for e in json_ld:
             if e.get('@context') == 'http://schema.org':
                 item_type = e.get('@type')
                 if expected_type is not None and expected_type != item_type:
                     return info
-                if item_type == 'TVEpisode':
+                if item_type in ('TVEpisode', 'Episode'):
                     info.update({
                         'episode': unescapeHTML(e.get('name')),
                         'episode_number': int_or_none(e.get('episodeNumber')),
                         'description': unescapeHTML(e.get('description')),
                     })
                     part_of_season = e.get('partOfSeason')
-                    if isinstance(part_of_season, dict) and part_of_season.get('@type') == 'TVSeason':
+                    if isinstance(part_of_season, dict) and part_of_season.get('@type') in ('TVSeason', 'Season', 'CreativeWorkSeason'):
                         info['season_number'] = int_or_none(part_of_season.get('seasonNumber'))
                     part_of_series = e.get('partOfSeries') or e.get('partOfTVSeries')
-                    if isinstance(part_of_series, dict) and part_of_series.get('@type') == 'TVSeries':
+                    if isinstance(part_of_series, dict) and part_of_series.get('@type') in ('TVSeries', 'Series', 'CreativeWorkSeries'):
                         info['series'] = unescapeHTML(part_of_series.get('name'))
                 elif item_type == 'Article':
                     info.update({
@@ -869,18 +1022,11 @@ class InfoExtractor(object):
                         'description': unescapeHTML(e.get('articleBody')),
                     })
                 elif item_type == 'VideoObject':
-                    info.update({
-                        'url': e.get('contentUrl'),
-                        'title': unescapeHTML(e.get('name')),
-                        'description': unescapeHTML(e.get('description')),
-                        'thumbnail': e.get('thumbnailUrl'),
-                        'duration': parse_duration(e.get('duration')),
-                        'timestamp': unified_timestamp(e.get('uploadDate')),
-                        'filesize': float_or_none(e.get('contentSize')),
-                        'tbr': int_or_none(e.get('bitrate')),
-                        'width': int_or_none(e.get('width')),
-                        'height': int_or_none(e.get('height')),
-                    })
+                    extract_video_object(e)
+                    continue
+                video = e.get('video')
+                if isinstance(video, dict) and video.get('@type') == 'VideoObject':
+                    extract_video_object(video)
                 break
         return dict((k, v) for k, v in info.items() if v is not None)
 
@@ -888,16 +1034,16 @@ class InfoExtractor(object):
     def _hidden_inputs(html):
         html = re.sub(r'<!--(?:(?!<!--).)*-->', '', html)
         hidden_inputs = {}
-        for input in re.findall(r'(?i)<input([^>]+)>', html):
-            if not re.search(r'type=(["\'])(?:hidden|submit)\1', input):
-                continue
-            name = re.search(r'(?:name|id)=(["\'])(?P<value>.+?)\1', input)
-            if not name:
+        for input in re.findall(r'(?i)(<input[^>]+>)', html):
+            attrs = extract_attributes(input)
+            if not input:
                 continue
-            value = re.search(r'value=(["\'])(?P<value>.*?)\1', input)
-            if not value:
+            if attrs.get('type') not in ('hidden', 'submit'):
                 continue
-            hidden_inputs[name.group('value')] = value.group('value')
+            name = attrs.get('name') or attrs.get('id')
+            value = attrs.get('value')
+            if name and value is not None:
+                hidden_inputs[name] = value
         return hidden_inputs
 
     def _form_hidden_inputs(self, form_id, html):
@@ -1000,13 +1146,13 @@ class InfoExtractor(object):
                 unique_formats.append(f)
         formats[:] = unique_formats
 
-    def _is_valid_url(self, url, video_id, item='video'):
+    def _is_valid_url(self, url, video_id, item='video', headers={}):
         url = self._proto_relative_url(url, scheme='http:')
         # For now assume non HTTP(S) URLs always valid
         if not (url.startswith('http://') or url.startswith('https://')):
             return True
         try:
-            self._request_webpage(url, video_id, 'Checking %s URL' % item)
+            self._request_webpage(url, video_id, 'Checking %s URL' % item, headers=headers)
             return True
         except ExtractorError as e:
             if isinstance(e.cause, compat_urllib_error.URLError):
@@ -1088,6 +1234,13 @@ class InfoExtractor(object):
             manifest, ['{http://ns.adobe.com/f4m/1.0}bootstrapInfo', '{http://ns.adobe.com/f4m/2.0}bootstrapInfo'],
             'bootstrap info', default=None)
 
+        vcodec = None
+        mime_type = xpath_text(
+            manifest, ['{http://ns.adobe.com/f4m/1.0}mimeType', '{http://ns.adobe.com/f4m/2.0}mimeType'],
+            'base URL', default=None)
+        if mime_type and mime_type.startswith('audio/'):
+            vcodec = 'none'
+
         for i, media_el in enumerate(media_nodes):
             tbr = int_or_none(media_el.attrib.get('bitrate'))
             width = int_or_none(media_el.attrib.get('width'))
@@ -1128,6 +1281,7 @@ class InfoExtractor(object):
                             'width': f.get('width') or width,
                             'height': f.get('height') or height,
                             'format_id': f.get('format_id') if not tbr else format_id,
+                            'vcodec': vcodec,
                         })
                     formats.extend(f4m_formats)
                     continue
@@ -1139,10 +1293,12 @@ class InfoExtractor(object):
             formats.append({
                 'format_id': format_id,
                 'url': manifest_url,
+                'manifest_url': manifest_url,
                 'ext': 'flv' if bootstrap_info is not None else None,
                 'tbr': tbr,
                 'width': width,
                 'height': height,
+                'vcodec': vcodec,
                 'preference': preference,
             })
         return formats
@@ -1162,37 +1318,50 @@ class InfoExtractor(object):
                               entry_protocol='m3u8', preference=None,
                               m3u8_id=None, note=None, errnote=None,
                               fatal=True, live=False):
-
-        formats = [self._m3u8_meta_format(m3u8_url, ext, preference, m3u8_id)]
-
-        format_url = lambda u: (
-            u
-            if re.match(r'^https?://', u)
-            else compat_urlparse.urljoin(m3u8_url, u))
-
         res = self._download_webpage_handle(
             m3u8_url, video_id,
             note=note or 'Downloading m3u8 information',
             errnote=errnote or 'Failed to download m3u8 information',
             fatal=fatal)
+
         if res is False:
             return []
+
         m3u8_doc, urlh = res
         m3u8_url = urlh.geturl()
 
-        # We should try extracting formats only from master playlists [1], i.e.
-        # playlists that describe available qualities. On the other hand media
-        # playlists [2] should be returned as is since they contain just the media
-        # without qualities renditions.
+        return self._parse_m3u8_formats(
+            m3u8_doc, m3u8_url, ext=ext, entry_protocol=entry_protocol,
+            preference=preference, m3u8_id=m3u8_id, live=live)
+
+    def _parse_m3u8_formats(self, m3u8_doc, m3u8_url, ext=None,
+                            entry_protocol='m3u8', preference=None,
+                            m3u8_id=None, live=False):
+        if '#EXT-X-FAXS-CM:' in m3u8_doc:  # Adobe Flash Access
+            return []
+
+        formats = []
+
+        format_url = lambda u: (
+            u
+            if re.match(r'^https?://', u)
+            else compat_urlparse.urljoin(m3u8_url, u))
+
+        # References:
+        # 1. https://tools.ietf.org/html/draft-pantos-http-live-streaming-21
+        # 2. https://github.com/rg3/youtube-dl/issues/12211
+
+        # We should try extracting formats only from master playlists [1, 4.3.4],
+        # i.e. playlists that describe available qualities. On the other hand
+        # media playlists [1, 4.3.3] should be returned as is since they contain
+        # just the media without qualities renditions.
         # Fortunately, master playlist can be easily distinguished from media
-        # playlist based on particular tags availability. As of [1, 2] master
-        # playlist tags MUST NOT appear in a media playist and vice versa.
-        # As of [3] #EXT-X-TARGETDURATION tag is REQUIRED for every media playlist
-        # and MUST NOT appear in master playlist thus we can clearly detect media
-        # playlist with this criterion.
-        # 1. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.4
-        # 2. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.3
-        # 3. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.3.1
+        # playlist based on particular tags availability. As of [1, 4.3.3, 4.3.4]
+        # master playlist tags MUST NOT appear in a media playist and vice versa.
+        # As of [1, 4.3.3.1] #EXT-X-TARGETDURATION tag is REQUIRED for every
+        # media playlist and MUST NOT appear in master playlist thus we can
+        # clearly detect media playlist with this criterion.
+
         if '#EXT-X-TARGETDURATION' in m3u8_doc:  # media playlist, return as is
             return [{
                 'url': m3u8_url,
@@ -1201,63 +1370,94 @@ class InfoExtractor(object):
                 'protocol': entry_protocol,
                 'preference': preference,
             }]
-        last_info = {}
-        last_media = {}
+
+        groups = {}
+        last_stream_inf = {}
+
+        def extract_media(x_media_line):
+            media = parse_m3u8_attributes(x_media_line)
+            # As per [1, 4.3.4.1] TYPE, GROUP-ID and NAME are REQUIRED
+            media_type, group_id, name = media.get('TYPE'), media.get('GROUP-ID'), media.get('NAME')
+            if not (media_type and group_id and name):
+                return
+            groups.setdefault(group_id, []).append(media)
+            if media_type not in ('VIDEO', 'AUDIO'):
+                return
+            media_url = media.get('URI')
+            if media_url:
+                format_id = []
+                for v in (group_id, name):
+                    if v:
+                        format_id.append(v)
+                f = {
+                    'format_id': '-'.join(format_id),
+                    'url': format_url(media_url),
+                    'manifest_url': m3u8_url,
+                    'language': media.get('LANGUAGE'),
+                    'ext': ext,
+                    'protocol': entry_protocol,
+                    'preference': preference,
+                }
+                if media_type == 'AUDIO':
+                    f['vcodec'] = 'none'
+                formats.append(f)
+
+        def build_stream_name():
+            # Despite specification does not mention NAME attribute for
+            # EXT-X-STREAM-INF tag it still sometimes may be present (see [1]
+            # or vidio test in TestInfoExtractor.test_parse_m3u8_formats)
+            # 1. http://www.vidio.com/watch/165683-dj_ambred-booyah-live-2015
+            stream_name = last_stream_inf.get('NAME')
+            if stream_name:
+                return stream_name
+            # If there is no NAME in EXT-X-STREAM-INF it will be obtained
+            # from corresponding rendition group
+            stream_group_id = last_stream_inf.get('VIDEO')
+            if not stream_group_id:
+                return
+            stream_group = groups.get(stream_group_id)
+            if not stream_group:
+                return stream_group_id
+            rendition = stream_group[0]
+            return rendition.get('NAME') or stream_group_id
+
         for line in m3u8_doc.splitlines():
             if line.startswith('#EXT-X-STREAM-INF:'):
-                last_info = parse_m3u8_attributes(line)
+                last_stream_inf = parse_m3u8_attributes(line)
             elif line.startswith('#EXT-X-MEDIA:'):
-                media = parse_m3u8_attributes(line)
-                media_type = media.get('TYPE')
-                if media_type in ('VIDEO', 'AUDIO'):
-                    media_url = media.get('URI')
-                    if media_url:
-                        format_id = []
-                        for v in (media.get('GROUP-ID'), media.get('NAME')):
-                            if v:
-                                format_id.append(v)
-                        formats.append({
-                            'format_id': '-'.join(format_id),
-                            'url': format_url(media_url),
-                            'language': media.get('LANGUAGE'),
-                            'vcodec': 'none' if media_type == 'AUDIO' else None,
-                            'ext': ext,
-                            'protocol': entry_protocol,
-                            'preference': preference,
-                        })
-                    else:
-                        # When there is no URI in EXT-X-MEDIA let this tag's
-                        # data be used by regular URI lines below
-                        last_media = media
+                extract_media(line)
             elif line.startswith('#') or not line.strip():
                 continue
             else:
-                tbr = int_or_none(last_info.get('AVERAGE-BANDWIDTH') or last_info.get('BANDWIDTH'), scale=1000)
+                tbr = float_or_none(
+                    last_stream_inf.get('AVERAGE-BANDWIDTH') or
+                    last_stream_inf.get('BANDWIDTH'), scale=1000)
                 format_id = []
                 if m3u8_id:
                     format_id.append(m3u8_id)
-                # Despite specification does not mention NAME attribute for
-                # EXT-X-STREAM-INF it still sometimes may be present
-                stream_name = last_info.get('NAME') or last_media.get('NAME')
+                stream_name = build_stream_name()
                 # Bandwidth of live streams may differ over time thus making
                 # format_id unpredictable. So it's better to keep provided
                 # format_id intact.
                 if not live:
                     format_id.append(stream_name if stream_name else '%d' % (tbr if tbr else len(formats)))
+                manifest_url = format_url(line.strip())
                 f = {
                     'format_id': '-'.join(format_id),
-                    'url': format_url(line.strip()),
+                    'url': manifest_url,
+                    'manifest_url': m3u8_url,
                     'tbr': tbr,
                     'ext': ext,
-                    'fps': float_or_none(last_info.get('FRAME-RATE')),
+                    'fps': float_or_none(last_stream_inf.get('FRAME-RATE')),
                     'protocol': entry_protocol,
                     'preference': preference,
                 }
-                resolution = last_info.get('RESOLUTION')
+                resolution = last_stream_inf.get('RESOLUTION')
                 if resolution:
-                    width_str, height_str = resolution.split('x')
-                    f['width'] = int(width_str)
-                    f['height'] = int(height_str)
+                    mobj = re.search(r'(?P<width>\d+)[xX](?P<height>\d+)', resolution)
+                    if mobj:
+                        f['width'] = int(mobj.group('width'))
+                        f['height'] = int(mobj.group('height'))
                 # Unified Streaming Platform
                 mobj = re.search(
                     r'audio.*?(?:%3D|=)(\d+)(?:-video.*?(?:%3D|=)(\d+))?', f['url'])
@@ -1268,10 +1468,26 @@ class InfoExtractor(object):
                         'vbr': vbr,
                         'abr': abr,
                     })
-                f.update(parse_codecs(last_info.get('CODECS')))
+                codecs = parse_codecs(last_stream_inf.get('CODECS'))
+                f.update(codecs)
+                audio_group_id = last_stream_inf.get('AUDIO')
+                # As per [1, 4.3.4.1.1] any EXT-X-STREAM-INF tag which
+                # references a rendition group MUST have a CODECS attribute.
+                # However, this is not always respected, for example, [2]
+                # contains EXT-X-STREAM-INF tag which references AUDIO
+                # rendition group but does not have CODECS and despite
+                # referencing audio group an audio group, it represents
+                # a complete (with audio and video) format. So, for such cases
+                # we will ignore references to rendition groups and treat them
+                # as complete formats.
+                if audio_group_id and codecs and f.get('vcodec') != 'none':
+                    audio_group = groups.get(audio_group_id)
+                    if audio_group and audio_group[0].get('URI'):
+                        # TODO: update acodec for audio only formats with
+                        # the same GROUP-ID
+                        f['acodec'] = 'none'
                 formats.append(f)
-                last_info = {}
-                last_media = {}
+                last_stream_inf = {}
         return formats
 
     @staticmethod
@@ -1515,12 +1731,13 @@ class InfoExtractor(object):
         if res is False:
             return []
         mpd, urlh = res
-        mpd_base_url = re.match(r'https?://.+/', urlh.geturl()).group()
+        mpd_base_url = base_url(urlh.geturl())
 
         return self._parse_mpd_formats(
-            compat_etree_fromstring(mpd.encode('utf-8')), mpd_id, mpd_base_url, formats_dict=formats_dict)
+            compat_etree_fromstring(mpd.encode('utf-8')), mpd_id, mpd_base_url,
+            formats_dict=formats_dict, mpd_url=mpd_url)
 
-    def _parse_mpd_formats(self, mpd_doc, mpd_id=None, mpd_base_url='', formats_dict={}):
+    def _parse_mpd_formats(self, mpd_doc, mpd_id=None, mpd_base_url='', formats_dict={}, mpd_url=None):
         """
         Parse formats from MPD manifest.
         References:
@@ -1541,52 +1758,60 @@ class InfoExtractor(object):
 
         def extract_multisegment_info(element, ms_parent_info):
             ms_info = ms_parent_info.copy()
+
+            # As per [1, 5.3.9.2.2] SegmentList and SegmentTemplate share some
+            # common attributes and elements.  We will only extract relevant
+            # for us.
+            def extract_common(source):
+                segment_timeline = source.find(_add_ns('SegmentTimeline'))
+                if segment_timeline is not None:
+                    s_e = segment_timeline.findall(_add_ns('S'))
+                    if s_e:
+                        ms_info['total_number'] = 0
+                        ms_info['s'] = []
+                        for s in s_e:
+                            r = int(s.get('r', 0))
+                            ms_info['total_number'] += 1 + r
+                            ms_info['s'].append({
+                                't': int(s.get('t', 0)),
+                                # @d is mandatory (see [1, 5.3.9.6.2, Table 17, page 60])
+                                'd': int(s.attrib['d']),
+                                'r': r,
+                            })
+                start_number = source.get('startNumber')
+                if start_number:
+                    ms_info['start_number'] = int(start_number)
+                timescale = source.get('timescale')
+                if timescale:
+                    ms_info['timescale'] = int(timescale)
+                segment_duration = source.get('duration')
+                if segment_duration:
+                    ms_info['segment_duration'] = float(segment_duration)
+
+            def extract_Initialization(source):
+                initialization = source.find(_add_ns('Initialization'))
+                if initialization is not None:
+                    ms_info['initialization_url'] = initialization.attrib['sourceURL']
+
             segment_list = element.find(_add_ns('SegmentList'))
             if segment_list is not None:
+                extract_common(segment_list)
+                extract_Initialization(segment_list)
                 segment_urls_e = segment_list.findall(_add_ns('SegmentURL'))
                 if segment_urls_e:
                     ms_info['segment_urls'] = [segment.attrib['media'] for segment in segment_urls_e]
-                initialization = segment_list.find(_add_ns('Initialization'))
-                if initialization is not None:
-                    ms_info['initialization_url'] = initialization.attrib['sourceURL']
             else:
                 segment_template = element.find(_add_ns('SegmentTemplate'))
                 if segment_template is not None:
-                    start_number = segment_template.get('startNumber')
-                    if start_number:
-                        ms_info['start_number'] = int(start_number)
-                    segment_timeline = segment_template.find(_add_ns('SegmentTimeline'))
-                    if segment_timeline is not None:
-                        s_e = segment_timeline.findall(_add_ns('S'))
-                        if s_e:
-                            ms_info['total_number'] = 0
-                            ms_info['s'] = []
-                            for s in s_e:
-                                r = int(s.get('r', 0))
-                                ms_info['total_number'] += 1 + r
-                                ms_info['s'].append({
-                                    't': int(s.get('t', 0)),
-                                    # @d is mandatory (see [1, 5.3.9.6.2, Table 17, page 60])
-                                    'd': int(s.attrib['d']),
-                                    'r': r,
-                                })
-                    else:
-                        timescale = segment_template.get('timescale')
-                        if timescale:
-                            ms_info['timescale'] = int(timescale)
-                        segment_duration = segment_template.get('duration')
-                        if segment_duration:
-                            ms_info['segment_duration'] = int(segment_duration)
-                    media_template = segment_template.get('media')
-                    if media_template:
-                        ms_info['media_template'] = media_template
+                    extract_common(segment_template)
+                    media = segment_template.get('media')
+                    if media:
+                        ms_info['media'] = media
                     initialization = segment_template.get('initialization')
                     if initialization:
-                        ms_info['initialization_url'] = initialization
+                        ms_info['initialization'] = initialization
                     else:
-                        initialization = segment_template.find(_add_ns('Initialization'))
-                        if initialization is not None:
-                            ms_info['initialization_url'] = initialization.attrib['sourceURL']
+                        extract_Initialization(segment_template)
             return ms_info
 
         mpd_duration = parse_duration(mpd_doc.get('mediaPresentationDuration'))
@@ -1612,7 +1837,7 @@ class InfoExtractor(object):
                     if content_type == 'text':
                         # TODO implement WebVTT downloading
                         pass
-                    elif content_type == 'video' or content_type == 'audio':
+                    elif content_type in ('video', 'audio'):
                         base_url = ''
                         for element in (representation, adaptation_set, period, mpd_doc):
                             base_url_e = element.find(_add_ns('BaseURL'))
@@ -1628,74 +1853,131 @@ class InfoExtractor(object):
                         lang = representation_attrib.get('lang')
                         url_el = representation.find(_add_ns('BaseURL'))
                         filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength') if url_el is not None else None)
+                        bandwidth = int_or_none(representation_attrib.get('bandwidth'))
                         f = {
                             'format_id': '%s-%s' % (mpd_id, representation_id) if mpd_id else representation_id,
                             'url': base_url,
+                            'manifest_url': mpd_url,
                             'ext': mimetype2ext(mime_type),
                             'width': int_or_none(representation_attrib.get('width')),
                             'height': int_or_none(representation_attrib.get('height')),
-                            'tbr': int_or_none(representation_attrib.get('bandwidth'), 1000),
+                            'tbr': float_or_none(bandwidth, 1000),
                             'asr': int_or_none(representation_attrib.get('audioSamplingRate')),
                             'fps': int_or_none(representation_attrib.get('frameRate')),
-                            'vcodec': 'none' if content_type == 'audio' else representation_attrib.get('codecs'),
-                            'acodec': 'none' if content_type == 'video' else representation_attrib.get('codecs'),
                             'language': lang if lang not in ('mul', 'und', 'zxx', 'mis') else None,
                             'format_note': 'DASH %s' % content_type,
                             'filesize': filesize,
                         }
+                        f.update(parse_codecs(representation_attrib.get('codecs')))
                         representation_ms_info = extract_multisegment_info(representation, adaption_set_ms_info)
-                        if 'segment_urls' not in representation_ms_info and 'media_template' in representation_ms_info:
-                            if 'total_number' not in representation_ms_info and 'segment_duration':
-                                segment_duration = float(representation_ms_info['segment_duration']) / float(representation_ms_info['timescale'])
-                                representation_ms_info['total_number'] = int(math.ceil(float(period_duration) / segment_duration))
-                            media_template = representation_ms_info['media_template']
-                            media_template = media_template.replace('$RepresentationID$', representation_id)
-                            media_template = re.sub(r'\$(Number|Bandwidth|Time)\$', r'%(\1)d', media_template)
-                            media_template = re.sub(r'\$(Number|Bandwidth|Time)%([^$]+)\$', r'%(\1)\2', media_template)
-                            media_template.replace('$$', '$')
+
+                        def prepare_template(template_name, identifiers):
+                            t = representation_ms_info[template_name]
+                            t = t.replace('$RepresentationID$', representation_id)
+                            t = re.sub(r'\$(%s)\$' % '|'.join(identifiers), r'%(\1)d', t)
+                            t = re.sub(r'\$(%s)%%([^$]+)\$' % '|'.join(identifiers), r'%(\1)\2', t)
+                            t.replace('$$', '$')
+                            return t
+
+                        # @initialization is a regular template like @media one
+                        # so it should be handled just the same way (see
+                        # https://github.com/rg3/youtube-dl/issues/11605)
+                        if 'initialization' in representation_ms_info:
+                            initialization_template = prepare_template(
+                                'initialization',
+                                # As per [1, 5.3.9.4.2, Table 15, page 54] $Number$ and
+                                # $Time$ shall not be included for @initialization thus
+                                # only $Bandwidth$ remains
+                                ('Bandwidth', ))
+                            representation_ms_info['initialization_url'] = initialization_template % {
+                                'Bandwidth': bandwidth,
+                            }
+
+                        def location_key(location):
+                            return 'url' if re.match(r'^https?://', location) else 'path'
+
+                        if 'segment_urls' not in representation_ms_info and 'media' in representation_ms_info:
+
+                            media_template = prepare_template('media', ('Number', 'Bandwidth', 'Time'))
+                            media_location_key = location_key(media_template)
 
                             # As per [1, 5.3.9.4.4, Table 16, page 55] $Number$ and $Time$
                             # can't be used at the same time
-                            if '%(Number' in media_template:
-                                representation_ms_info['segment_urls'] = [
-                                    media_template % {
+                            if '%(Number' in media_template and 's' not in representation_ms_info:
+                                segment_duration = None
+                                if 'total_number' not in representation_ms_info and 'segment_duration':
+                                    segment_duration = float_or_none(representation_ms_info['segment_duration'], representation_ms_info['timescale'])
+                                    representation_ms_info['total_number'] = int(math.ceil(float(period_duration) / segment_duration))
+                                representation_ms_info['fragments'] = [{
+                                    media_location_key: media_template % {
                                         'Number': segment_number,
-                                        'Bandwidth': representation_attrib.get('bandwidth'),
-                                    }
-                                    for segment_number in range(
-                                        representation_ms_info['start_number'],
-                                        representation_ms_info['total_number'] + representation_ms_info['start_number'])]
+                                        'Bandwidth': bandwidth,
+                                    },
+                                    'duration': segment_duration,
+                                } for segment_number in range(
+                                    representation_ms_info['start_number'],
+                                    representation_ms_info['total_number'] + representation_ms_info['start_number'])]
                             else:
-                                representation_ms_info['segment_urls'] = []
+                                # $Number*$ or $Time$ in media template with S list available
+                                # Example $Number*$: http://www.svtplay.se/klipp/9023742/stopptid-om-bjorn-borg
+                                # Example $Time$: https://play.arkena.com/embed/avp/v2/player/media/b41dda37-d8e7-4d3f-b1b5-9a9db578bdfe/1/129411
+                                representation_ms_info['fragments'] = []
                                 segment_time = 0
+                                segment_d = None
+                                segment_number = representation_ms_info['start_number']
 
                                 def add_segment_url():
-                                    representation_ms_info['segment_urls'].append(
-                                        media_template % {
-                                            'Time': segment_time,
-                                            'Bandwidth': representation_attrib.get('bandwidth'),
-                                        }
-                                    )
+                                    segment_url = media_template % {
+                                        'Time': segment_time,
+                                        'Bandwidth': bandwidth,
+                                        'Number': segment_number,
+                                    }
+                                    representation_ms_info['fragments'].append({
+                                        media_location_key: segment_url,
+                                        'duration': float_or_none(segment_d, representation_ms_info['timescale']),
+                                    })
 
                                 for num, s in enumerate(representation_ms_info['s']):
                                     segment_time = s.get('t') or segment_time
+                                    segment_d = s['d']
                                     add_segment_url()
+                                    segment_number += 1
                                     for r in range(s.get('r', 0)):
-                                        segment_time += s['d']
+                                        segment_time += segment_d
                                         add_segment_url()
-                                    segment_time += s['d']
-                        if 'segment_urls' in representation_ms_info:
+                                        segment_number += 1
+                                    segment_time += segment_d
+                        elif 'segment_urls' in representation_ms_info and 's' in representation_ms_info:
+                            # No media template
+                            # Example: https://www.youtube.com/watch?v=iXZV5uAYMJI
+                            # or any YouTube dashsegments video
+                            fragments = []
+                            segment_index = 0
+                            timescale = representation_ms_info['timescale']
+                            for s in representation_ms_info['s']:
+                                duration = float_or_none(s['d'], timescale)
+                                for r in range(s.get('r', 0) + 1):
+                                    segment_uri = representation_ms_info['segment_urls'][segment_index]
+                                    fragments.append({
+                                        location_key(segment_uri): segment_uri,
+                                        'duration': duration,
+                                    })
+                                    segment_index += 1
+                            representation_ms_info['fragments'] = fragments
+                        # NB: MPD manifest may contain direct URLs to unfragmented media.
+                        # No fragments key is present in this case.
+                        if 'fragments' in representation_ms_info:
                             f.update({
-                                'segment_urls': representation_ms_info['segment_urls'],
+                                'fragment_base_url': base_url,
+                                'fragments': [],
                                 'protocol': 'http_dash_segments',
                             })
                             if 'initialization_url' in representation_ms_info:
-                                initialization_url = representation_ms_info['initialization_url'].replace('$RepresentationID$', representation_id)
-                                f.update({
-                                    'initialization_url': initialization_url,
-                                })
+                                initialization_url = representation_ms_info['initialization_url']
                                 if not f.get('url'):
                                     f['url'] = initialization_url
+                                f['fragments'].append({location_key(initialization_url): initialization_url})
+                            f['fragments'].extend(representation_ms_info['fragments'])
                         try:
                             existing_format = next(
                                 fo for fo in formats
@@ -1710,7 +1992,115 @@ class InfoExtractor(object):
                         self.report_warning('Unknown MIME type %s in DASH manifest' % mime_type)
         return formats
 
-    def _parse_html5_media_entries(self, base_url, webpage, video_id, m3u8_id=None, m3u8_entry_protocol='m3u8'):
+    def _extract_ism_formats(self, ism_url, video_id, ism_id=None, note=None, errnote=None, fatal=True):
+        res = self._download_webpage_handle(
+            ism_url, video_id,
+            note=note or 'Downloading ISM manifest',
+            errnote=errnote or 'Failed to download ISM manifest',
+            fatal=fatal)
+        if res is False:
+            return []
+        ism, urlh = res
+
+        return self._parse_ism_formats(
+            compat_etree_fromstring(ism.encode('utf-8')), urlh.geturl(), ism_id)
+
+    def _parse_ism_formats(self, ism_doc, ism_url, ism_id=None):
+        """
+        Parse formats from ISM manifest.
+        References:
+         1. [MS-SSTR]: Smooth Streaming Protocol,
+            https://msdn.microsoft.com/en-us/library/ff469518.aspx
+        """
+        if ism_doc.get('IsLive') == 'TRUE' or ism_doc.find('Protection') is not None:
+            return []
+
+        duration = int(ism_doc.attrib['Duration'])
+        timescale = int_or_none(ism_doc.get('TimeScale')) or 10000000
+
+        formats = []
+        for stream in ism_doc.findall('StreamIndex'):
+            stream_type = stream.get('Type')
+            if stream_type not in ('video', 'audio'):
+                continue
+            url_pattern = stream.attrib['Url']
+            stream_timescale = int_or_none(stream.get('TimeScale')) or timescale
+            stream_name = stream.get('Name')
+            for track in stream.findall('QualityLevel'):
+                fourcc = track.get('FourCC')
+                # TODO: add support for WVC1 and WMAP
+                if fourcc not in ('H264', 'AVC1', 'AACL'):
+                    self.report_warning('%s is not a supported codec' % fourcc)
+                    continue
+                tbr = int(track.attrib['Bitrate']) // 1000
+                # [1] does not mention Width and Height attributes. However,
+                # they're often present while MaxWidth and MaxHeight are
+                # missing, so should be used as fallbacks
+                width = int_or_none(track.get('MaxWidth') or track.get('Width'))
+                height = int_or_none(track.get('MaxHeight') or track.get('Height'))
+                sampling_rate = int_or_none(track.get('SamplingRate'))
+
+                track_url_pattern = re.sub(r'{[Bb]itrate}', track.attrib['Bitrate'], url_pattern)
+                track_url_pattern = compat_urlparse.urljoin(ism_url, track_url_pattern)
+
+                fragments = []
+                fragment_ctx = {
+                    'time': 0,
+                }
+                stream_fragments = stream.findall('c')
+                for stream_fragment_index, stream_fragment in enumerate(stream_fragments):
+                    fragment_ctx['time'] = int_or_none(stream_fragment.get('t')) or fragment_ctx['time']
+                    fragment_repeat = int_or_none(stream_fragment.get('r')) or 1
+                    fragment_ctx['duration'] = int_or_none(stream_fragment.get('d'))
+                    if not fragment_ctx['duration']:
+                        try:
+                            next_fragment_time = int(stream_fragment[stream_fragment_index + 1].attrib['t'])
+                        except IndexError:
+                            next_fragment_time = duration
+                        fragment_ctx['duration'] = (next_fragment_time - fragment_ctx['time']) / fragment_repeat
+                    for _ in range(fragment_repeat):
+                        fragments.append({
+                            'url': re.sub(r'{start[ _]time}', compat_str(fragment_ctx['time']), track_url_pattern),
+                            'duration': fragment_ctx['duration'] / stream_timescale,
+                        })
+                        fragment_ctx['time'] += fragment_ctx['duration']
+
+                format_id = []
+                if ism_id:
+                    format_id.append(ism_id)
+                if stream_name:
+                    format_id.append(stream_name)
+                format_id.append(compat_str(tbr))
+
+                formats.append({
+                    'format_id': '-'.join(format_id),
+                    'url': ism_url,
+                    'manifest_url': ism_url,
+                    'ext': 'ismv' if stream_type == 'video' else 'isma',
+                    'width': width,
+                    'height': height,
+                    'tbr': tbr,
+                    'asr': sampling_rate,
+                    'vcodec': 'none' if stream_type == 'audio' else fourcc,
+                    'acodec': 'none' if stream_type == 'video' else fourcc,
+                    'protocol': 'ism',
+                    'fragments': fragments,
+                    '_download_params': {
+                        'duration': duration,
+                        'timescale': stream_timescale,
+                        'width': width or 0,
+                        'height': height or 0,
+                        'fourcc': fourcc,
+                        'codec_private_data': track.get('CodecPrivateData'),
+                        'sampling_rate': sampling_rate,
+                        'channels': int_or_none(track.get('Channels', 2)),
+                        'bits_per_sample': int_or_none(track.get('BitsPerSample', 16)),
+                        'nal_unit_length_field': int_or_none(track.get('NALUnitLengthField', 4)),
+                    },
+                })
+        return formats
+
+    def _parse_html5_media_entries(self, base_url, webpage, video_id, m3u8_id=None, m3u8_entry_protocol='m3u8', mpd_id=None, preference=None):
         def absolute_url(video_url):
             return compat_urlparse.urljoin(base_url, video_url)
 
@@ -1725,13 +2115,19 @@ class InfoExtractor(object):
                 return f
             return {}
 
-        def _media_formats(src, cur_media_type):
+        def _media_formats(src, cur_media_type, type_info={}):
             full_url = absolute_url(src)
-            if determine_ext(full_url) == 'm3u8':
+            ext = type_info.get('ext') or determine_ext(full_url)
+            if ext == 'm3u8':
                 is_plain_url = False
                 formats = self._extract_m3u8_formats(
                     full_url, video_id, ext='mp4',
-                    entry_protocol=m3u8_entry_protocol, m3u8_id=m3u8_id)
+                    entry_protocol=m3u8_entry_protocol, m3u8_id=m3u8_id,
+                    preference=preference)
+            elif ext == 'mpd':
+                is_plain_url = False
+                formats = self._extract_mpd_formats(
+                    full_url, video_id, mpd_id=mpd_id)
             else:
                 is_plain_url = True
                 formats = [{
@@ -1741,7 +2137,19 @@ class InfoExtractor(object):
             return is_plain_url, formats
 
         entries = []
-        for media_tag, media_type, media_content in re.findall(r'(?s)(<(?P<tag>video|audio)[^>]*>)(.*?)</(?P=tag)>', webpage):
+        # amp-video and amp-audio are very similar to their HTML5 counterparts
+        # so we wll include them right here (see
+        # https://www.ampproject.org/docs/reference/components/amp-video)
+        media_tags = [(media_tag, media_type, '')
+                      for media_tag, media_type
+                      in re.findall(r'(?s)(<(?:amp-)?(video|audio)[^>]*/>)', webpage)]
+        media_tags.extend(re.findall(
+            # We only allow video|audio followed by a whitespace or '>'.
+            # Allowing more characters may end up in significant slow down (see
+            # https://github.com/rg3/youtube-dl/issues/11979, example URL:
+            # http://www.porntrex.com/maps/videositemap.xml).
+            r'(?s)(<(?P<tag>(?:amp-)?(?:video|audio))(?:\s+[^>]*)?>)(.*?)</(?P=tag)>', webpage))
+        for media_tag, media_type, media_content in media_tags:
             media_info = {
                 'formats': [],
                 'subtitles': {},
@@ -1749,7 +2157,7 @@ class InfoExtractor(object):
             media_attributes = extract_attributes(media_tag)
             src = media_attributes.get('src')
             if src:
-                _, formats = _media_formats(src)
+                _, formats = _media_formats(src, media_type)
                 media_info['formats'].extend(formats)
             media_info['thumbnail'] = media_attributes.get('poster')
             if media_content:
@@ -1758,9 +2166,9 @@ class InfoExtractor(object):
                     src = source_attributes.get('src')
                     if not src:
                         continue
-                    is_plain_url, formats = _media_formats(src, media_type)
+                    f = parse_content_type(source_attributes.get('type'))
+                    is_plain_url, formats = _media_formats(src, media_type, f)
                     if is_plain_url:
-                        f = parse_content_type(source_attributes.get('type'))
                         f.update(formats[0])
                         media_info['formats'].append(f)
                     else:
@@ -1768,7 +2176,7 @@ class InfoExtractor(object):
                 for track_tag in re.findall(r'<track[^>]+>', media_content):
                     track_attributes = extract_attributes(track_tag)
                     kind = track_attributes.get('kind')
-                    if not kind or kind == 'subtitles':
+                    if not kind or kind in ('subtitles', 'captions'):
                         src = track_attributes.get('src')
                         if not src:
                             continue
@@ -1776,22 +2184,222 @@ class InfoExtractor(object):
                         media_info['subtitles'].setdefault(lang, []).append({
                             'url': absolute_url(src),
                         })
-            if media_info['formats']:
+            if media_info['formats'] or media_info['subtitles']:
                 entries.append(media_info)
         return entries
 
-    def _extract_akamai_formats(self, manifest_url, video_id):
+    def _extract_akamai_formats(self, manifest_url, video_id, hosts={}):
         formats = []
-        f4m_url = re.sub(r'(https?://.+?)/i/', r'\1/z/', manifest_url).replace('/master.m3u8', '/manifest.f4m')
-        formats.extend(self._extract_f4m_formats(
-            update_url_query(f4m_url, {'hdcore': '3.7.0'}),
-            video_id, f4m_id='hds', fatal=False))
-        m3u8_url = re.sub(r'(https?://.+?)/z/', r'\1/i/', manifest_url).replace('/manifest.f4m', '/master.m3u8')
+        hdcore_sign = 'hdcore=3.7.0'
+        f4m_url = re.sub(r'(https?://[^/]+)/i/', r'\1/z/', manifest_url).replace('/master.m3u8', '/manifest.f4m')
+        hds_host = hosts.get('hds')
+        if hds_host:
+            f4m_url = re.sub(r'(https?://)[^/]+', r'\1' + hds_host, f4m_url)
+        if 'hdcore=' not in f4m_url:
+            f4m_url += ('&' if '?' in f4m_url else '?') + hdcore_sign
+        f4m_formats = self._extract_f4m_formats(
+            f4m_url, video_id, f4m_id='hds', fatal=False)
+        for entry in f4m_formats:
+            entry.update({'extra_param_to_segment_url': hdcore_sign})
+        formats.extend(f4m_formats)
+        m3u8_url = re.sub(r'(https?://[^/]+)/z/', r'\1/i/', manifest_url).replace('/manifest.f4m', '/master.m3u8')
+        hls_host = hosts.get('hls')
+        if hls_host:
+            m3u8_url = re.sub(r'(https?://)[^/]+', r'\1' + hls_host, m3u8_url)
         formats.extend(self._extract_m3u8_formats(
             m3u8_url, video_id, 'mp4', 'm3u8_native',
             m3u8_id='hls', fatal=False))
         return formats
 
+    def _extract_wowza_formats(self, url, video_id, m3u8_entry_protocol='m3u8_native', skip_protocols=[]):
+        url = re.sub(r'/(?:manifest|playlist|jwplayer)\.(?:m3u8|f4m|mpd|smil)', '', url)
+        url_base = self._search_regex(
+            r'(?:(?:https?|rtmp|rtsp):)?(//[^?]+)', url, 'format url')
+        http_base_url = '%s:%s' % ('http', url_base)
+        formats = []
+        if 'm3u8' not in skip_protocols:
+            formats.extend(self._extract_m3u8_formats(
+                http_base_url + '/playlist.m3u8', video_id, 'mp4',
+                m3u8_entry_protocol, m3u8_id='hls', fatal=False))
+        if 'f4m' not in skip_protocols:
+            formats.extend(self._extract_f4m_formats(
+                http_base_url + '/manifest.f4m',
+                video_id, f4m_id='hds', fatal=False))
+        if 'dash' not in skip_protocols:
+            formats.extend(self._extract_mpd_formats(
+                http_base_url + '/manifest.mpd',
+                video_id, mpd_id='dash', fatal=False))
+        if re.search(r'(?:/smil:|\.smil)', url_base):
+            if 'smil' not in skip_protocols:
+                rtmp_formats = self._extract_smil_formats(
+                    http_base_url + '/jwplayer.smil',
+                    video_id, fatal=False)
+                for rtmp_format in rtmp_formats:
+                    rtsp_format = rtmp_format.copy()
+                    rtsp_format['url'] = '%s/%s' % (rtmp_format['url'], rtmp_format['play_path'])
+                    del rtsp_format['play_path']
+                    del rtsp_format['ext']
+                    rtsp_format.update({
+                        'url': rtsp_format['url'].replace('rtmp://', 'rtsp://'),
+                        'format_id': rtmp_format['format_id'].replace('rtmp', 'rtsp'),
+                        'protocol': 'rtsp',
+                    })
+                    formats.extend([rtmp_format, rtsp_format])
+        else:
+            for protocol in ('rtmp', 'rtsp'):
+                if protocol not in skip_protocols:
+                    formats.append({
+                        'url': '%s:%s' % (protocol, url_base),
+                        'format_id': protocol,
+                        'protocol': protocol,
+                    })
+        return formats
+
+    def _find_jwplayer_data(self, webpage, video_id=None, transform_source=js_to_json):
+        mobj = re.search(
+            r'(?s)jwplayer\((?P<quote>[\'"])[^\'" ]+(?P=quote)\)(?!</script>).*?\.setup\s*\((?P<options>[^)]+)\)',
+            webpage)
+        if mobj:
+            try:
+                jwplayer_data = self._parse_json(mobj.group('options'),
+                                                 video_id=video_id,
+                                                 transform_source=transform_source)
+            except ExtractorError:
+                pass
+            else:
+                if isinstance(jwplayer_data, dict):
+                    return jwplayer_data
+
+    def _extract_jwplayer_data(self, webpage, video_id, *args, **kwargs):
+        jwplayer_data = self._find_jwplayer_data(
+            webpage, video_id, transform_source=js_to_json)
+        return self._parse_jwplayer_data(
+            jwplayer_data, video_id, *args, **kwargs)
+
+    def _parse_jwplayer_data(self, jwplayer_data, video_id=None, require_title=True,
+                             m3u8_id=None, mpd_id=None, rtmp_params=None, base_url=None):
+        # JWPlayer backward compatibility: flattened playlists
+        # https://github.com/jwplayer/jwplayer/blob/v7.4.3/src/js/api/config.js#L81-L96
+        if 'playlist' not in jwplayer_data:
+            jwplayer_data = {'playlist': [jwplayer_data]}
+
+        entries = []
+
+        # JWPlayer backward compatibility: single playlist item
+        # https://github.com/jwplayer/jwplayer/blob/v7.7.0/src/js/playlist/playlist.js#L10
+        if not isinstance(jwplayer_data['playlist'], list):
+            jwplayer_data['playlist'] = [jwplayer_data['playlist']]
+
+        for video_data in jwplayer_data['playlist']:
+            # JWPlayer backward compatibility: flattened sources
+            # https://github.com/jwplayer/jwplayer/blob/v7.4.3/src/js/playlist/item.js#L29-L35
+            if 'sources' not in video_data:
+                video_data['sources'] = [video_data]
+
+            this_video_id = video_id or video_data['mediaid']
+
+            formats = self._parse_jwplayer_formats(
+                video_data['sources'], video_id=this_video_id, m3u8_id=m3u8_id,
+                mpd_id=mpd_id, rtmp_params=rtmp_params, base_url=base_url)
+            self._sort_formats(formats)
+
+            subtitles = {}
+            tracks = video_data.get('tracks')
+            if tracks and isinstance(tracks, list):
+                for track in tracks:
+                    if not isinstance(track, dict):
+                        continue
+                    if track.get('kind') != 'captions':
+                        continue
+                    track_url = urljoin(base_url, track.get('file'))
+                    if not track_url:
+                        continue
+                    subtitles.setdefault(track.get('label') or 'en', []).append({
+                        'url': self._proto_relative_url(track_url)
+                    })
+
+            entries.append({
+                'id': this_video_id,
+                'title': video_data['title'] if require_title else video_data.get('title'),
+                'description': video_data.get('description'),
+                'thumbnail': self._proto_relative_url(video_data.get('image')),
+                'timestamp': int_or_none(video_data.get('pubdate')),
+                'duration': float_or_none(jwplayer_data.get('duration') or video_data.get('duration')),
+                'subtitles': subtitles,
+                'formats': formats,
+            })
+        if len(entries) == 1:
+            return entries[0]
+        else:
+            return self.playlist_result(entries)
+
+    def _parse_jwplayer_formats(self, jwplayer_sources_data, video_id=None,
+                                m3u8_id=None, mpd_id=None, rtmp_params=None, base_url=None):
+        urls = []
+        formats = []
+        for source in jwplayer_sources_data:
+            if not isinstance(source, dict):
+                continue
+            source_url = self._proto_relative_url(source.get('file'))
+            if not source_url:
+                continue
+            if base_url:
+                source_url = compat_urlparse.urljoin(base_url, source_url)
+            if source_url in urls:
+                continue
+            urls.append(source_url)
+            source_type = source.get('type') or ''
+            ext = mimetype2ext(source_type) or determine_ext(source_url)
+            if source_type == 'hls' or ext == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(
+                    source_url, video_id, 'mp4', entry_protocol='m3u8_native',
+                    m3u8_id=m3u8_id, fatal=False))
+            elif ext == 'mpd':
+                formats.extend(self._extract_mpd_formats(
+                    source_url, video_id, mpd_id=mpd_id, fatal=False))
+            elif ext == 'smil':
+                formats.extend(self._extract_smil_formats(
+                    source_url, video_id, fatal=False))
+            # https://github.com/jwplayer/jwplayer/blob/master/src/js/providers/default.js#L67
+            elif source_type.startswith('audio') or ext in (
+                    'oga', 'aac', 'mp3', 'mpeg', 'vorbis'):
+                formats.append({
+                    'url': source_url,
+                    'vcodec': 'none',
+                    'ext': ext,
+                })
+            else:
+                height = int_or_none(source.get('height'))
+                if height is None:
+                    # Often no height is provided but there is a label in
+                    # format like "1080p", "720p SD", or 1080.
+                    height = int_or_none(self._search_regex(
+                        r'^(\d{3,4})[pP]?(?:\b|$)', compat_str(source.get('label') or ''),
+                        'height', default=None))
+                a_format = {
+                    'url': source_url,
+                    'width': int_or_none(source.get('width')),
+                    'height': height,
+                    'tbr': int_or_none(source.get('bitrate')),
+                    'ext': ext,
+                }
+                if source_url.startswith('rtmp'):
+                    a_format['ext'] = 'flv'
+                    # See com/longtailvideo/jwplayer/media/RTMPMediaProvider.as
+                    # of jwplayer.flash.swf
+                    rtmp_url_parts = re.split(
+                        r'((?:mp4|mp3|flv):)', source_url, 1)
+                    if len(rtmp_url_parts) == 3:
+                        rtmp_url, prefix, play_path = rtmp_url_parts
+                        a_format.update({
+                            'url': rtmp_url,
+                            'play_path': prefix + play_path,
+                        })
+                    if rtmp_params:
+                        a_format.update(rtmp_params)
+                formats.append(a_format)
+        return formats
+
     def _live_title(self, name):
         """ Generate the title for a live video """
         now = datetime.datetime.now()
@@ -1912,6 +2520,12 @@ class InfoExtractor(object):
             headers['Ytdl-request-proxy'] = geo_verification_proxy
         return headers
 
+    def _generic_id(self, url):
+        return compat_urllib_parse_unquote(os.path.splitext(url.rstrip('/').split('/')[-1])[0])
+
+    def _generic_title(self, url):
+        return compat_urllib_parse_unquote(os.path.splitext(url_basename(url))[0])
+
 
 class SearchInfoExtractor(InfoExtractor):
     """