[Vbox7IE] Sanitise ld+json containing unexpected characters

* based on PR #29680
* added hack to force invoking `transform_source`
* fixes #26218

test/test_InfoExtractor.py

@@ -993,7 +993,8 @@ jwplayer("mediaplayer").setup({"abouttext":"Visit Indie DB","aboutlink":"http:\/
                     'tbr': 5997.485,
                     'width': 1920,
                     'height': 1080,
-                }]
+                }],
+                {},
             ), (
                 # https://github.com/ytdl-org/youtube-dl/pull/14844
                 'urls_only',
@@ -1076,7 +1077,8 @@ jwplayer("mediaplayer").setup({"abouttext":"Visit Indie DB","aboutlink":"http:\/
                     'tbr': 4400,
                     'width': 1920,
                     'height': 1080,
-                }]
+                }],
+                {},
             ), (
                 # https://github.com/ytdl-org/youtube-dl/issues/20346
                 # Media considered unfragmented even though it contains
@@ -1122,18 +1124,185 @@ jwplayer("mediaplayer").setup({"abouttext":"Visit Indie DB","aboutlink":"http:\/
                     'width': 360,
                     'height': 360,
                     'fps': 30,
-                }]
+                }],
+                {},
+            ), (
+                # https://github.com/ytdl-org/youtube-dl/issues/30235
+                # Bento4 generated test mpd
+                # mp4dash --mpd-name=manifest.mpd --no-split --use-segment-list mediafiles
+                'url_and_range',
+                'http://unknown/manifest.mpd',  # mpd_url
+                'http://unknown/',  # mpd_base_url
+                [{
+                    'manifest_url': 'http://unknown/manifest.mpd',
+                    'fragment_base_url': 'http://unknown/',
+                    'ext': 'm4a',
+                    'format_id': 'audio-und-mp4a.40.2',
+                    'format_note': 'DASH audio',
+                    'container': 'm4a_dash',
+                    'protocol': 'http_dash_segments',
+                    'acodec': 'mp4a.40.2',
+                    'vcodec': 'none',
+                    'tbr': 98.808,
+                }, {
+                    'manifest_url': 'http://unknown/manifest.mpd',
+                    'fragment_base_url': 'http://unknown/',
+                    'ext': 'mp4',
+                    'format_id': 'video-avc1',
+                    'format_note': 'DASH video',
+                    'container': 'mp4_dash',
+                    'protocol': 'http_dash_segments',
+                    'acodec': 'none',
+                    'vcodec': 'avc1.4D401E',
+                    'tbr': 699.597,
+                    'width': 768,
+                    'height': 432
+                }],
+                {},
+            ), (
+                # https://github.com/ytdl-org/youtube-dl/issues/27575
+                # GPAC generated test mpd
+                # MP4Box -dash 10000 -single-file -out manifest.mpd mediafiles
+                'range_only',
+                'http://unknown/manifest.mpd',  # mpd_url
+                'http://unknown/',  # mpd_base_url
+                [{
+                    'manifest_url': 'http://unknown/manifest.mpd',
+                    'fragment_base_url': 'http://unknown/audio_dashinit.mp4',
+                    'ext': 'm4a',
+                    'format_id': '2',
+                    'format_note': 'DASH audio',
+                    'container': 'm4a_dash',
+                    'protocol': 'http_dash_segments',
+                    'acodec': 'mp4a.40.2',
+                    'vcodec': 'none',
+                    'tbr': 98.096,
+                }, {
+                    'manifest_url': 'http://unknown/manifest.mpd',
+                    'fragment_base_url': 'http://unknown/video_dashinit.mp4',
+                    'ext': 'mp4',
+                    'format_id': '1',
+                    'format_note': 'DASH video',
+                    'container': 'mp4_dash',
+                    'protocol': 'http_dash_segments',
+                    'acodec': 'none',
+                    'vcodec': 'avc1.4D401E',
+                    'tbr': 526.987,
+                    'width': 768,
+                    'height': 432
+                }],
+                {},
+            ), (
+                'subtitles',
+                'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/',
+                [{
+                    'format_id': 'audio=128001',
+                    'manifest_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'ext': 'm4a',
+                    'tbr': 128.001,
+                    'asr': 48000,
+                    'format_note': 'DASH audio',
+                    'container': 'm4a_dash',
+                    'vcodec': 'none',
+                    'acodec': 'mp4a.40.2',
+                    'url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'fragment_base_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/dash/',
+                    'protocol': 'http_dash_segments',
+                }, {
+                    'format_id': 'video=100000',
+                    'manifest_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'ext': 'mp4',
+                    'width': 336,
+                    'height': 144,
+                    'tbr': 100,
+                    'format_note': 'DASH video',
+                    'container': 'mp4_dash',
+                    'vcodec': 'avc1.4D401F',
+                    'acodec': 'none',
+                    'url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'fragment_base_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/dash/',
+                    'protocol': 'http_dash_segments',
+                }, {
+                    'format_id': 'video=326000',
+                    'manifest_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'ext': 'mp4',
+                    'width': 562,
+                    'height': 240,
+                    'tbr': 326,
+                    'format_note': 'DASH video',
+                    'container': 'mp4_dash',
+                    'vcodec': 'avc1.4D401F',
+                    'acodec': 'none',
+                    'url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'fragment_base_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/dash/',
+                    'protocol': 'http_dash_segments',
+                }, {
+                    'format_id': 'video=698000',
+                    'manifest_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'ext': 'mp4',
+                    'width': 844,
+                    'height': 360,
+                    'tbr': 698,
+                    'format_note': 'DASH video',
+                    'container': 'mp4_dash',
+                    'vcodec': 'avc1.4D401F',
+                    'acodec': 'none',
+                    'url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'fragment_base_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/dash/',
+                    'protocol': 'http_dash_segments',
+                }, {
+                    'format_id': 'video=1493000',
+                    'manifest_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'ext': 'mp4',
+                    'width': 1126,
+                    'height': 480,
+                    'tbr': 1493,
+                    'format_note': 'DASH video',
+                    'container': 'mp4_dash',
+                    'vcodec': 'avc1.4D401F',
+                    'acodec': 'none',
+                    'url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'fragment_base_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/dash/',
+                    'protocol': 'http_dash_segments',
+                }, {
+                    'format_id': 'video=4482000',
+                    'manifest_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'ext': 'mp4',
+                    'width': 1688,
+                    'height': 720,
+                    'tbr': 4482,
+                    'format_note': 'DASH video',
+                    'container': 'mp4_dash',
+                    'vcodec': 'avc1.4D401F',
+                    'acodec': 'none',
+                    'url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                    'fragment_base_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/dash/',
+                    'protocol': 'http_dash_segments',
+                }],
+                {
+                    'en': [
+                        {
+                            'ext': 'mp4',
+                            'manifest_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                            'url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',
+                            'fragment_base_url': 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/dash/',
+                            'protocol': 'http_dash_segments',
+                        }
+                    ]
+                },
             )
         ]
 
-        for mpd_file, mpd_url, mpd_base_url, expected_formats in _TEST_CASES:
+        for mpd_file, mpd_url, mpd_base_url, expected_formats, expected_subtitles in _TEST_CASES:
             with open('./test/testdata/mpd/%s.mpd' % mpd_file,
                       mode='r', encoding='utf-8') as f:
-                formats = self.ie._parse_mpd_formats(
+                formats, subtitles = self.ie._parse_mpd_formats_and_subtitles(
                     compat_etree_fromstring(f.read().encode('utf-8')),
                     mpd_base_url=mpd_base_url, mpd_url=mpd_url)
                 self.ie._sort_formats(formats)
                 expect_value(self, formats, expected_formats, None)
+                expect_value(self, subtitles, expected_subtitles, None)
 
     def test_parse_f4m_formats(self):
         _TEST_CASES = [

test/testdata/mpd/range_only.mpd

@@ -0,0 +1,35 @@
+<?xml version="1.0"?>
+<!-- MPD file Generated with GPAC version 1.0.1-revrelease at 2021-11-27T20:53:11.690Z -->
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" minBufferTime="PT1.500S" type="static" mediaPresentationDuration="PT0H0M30.196S" maxSegmentDuration="PT0H0M10.027S" profiles="urn:mpeg:dash:profile:full:2011">
+ <ProgramInformation moreInformationURL="http://gpac.io">
+  <Title>manifest.mpd generated by GPAC</Title>
+ </ProgramInformation>
+
+ <Period duration="PT0H0M30.196S">
+  <AdaptationSet segmentAlignment="true" maxWidth="768" maxHeight="432" maxFrameRate="30000/1001" par="16:9" lang="und" startWithSAP="1">
+   <Representation id="1" mimeType="video/mp4" codecs="avc1.4D401E" width="768" height="432" frameRate="30000/1001" sar="1:1" bandwidth="526987">
+    <BaseURL>video_dashinit.mp4</BaseURL>
+    <SegmentList timescale="90000" duration="900000">
+     <Initialization range="0-881"/>
+     <SegmentURL mediaRange="882-876094" indexRange="882-925"/>
+     <SegmentURL mediaRange="876095-1466732" indexRange="876095-876138"/>
+     <SegmentURL mediaRange="1466733-1953615" indexRange="1466733-1466776"/>
+     <SegmentURL mediaRange="1953616-1994211" indexRange="1953616-1953659"/>
+    </SegmentList>
+   </Representation>
+  </AdaptationSet>
+  <AdaptationSet segmentAlignment="true" lang="und" startWithSAP="1">
+   <Representation id="2" mimeType="audio/mp4" codecs="mp4a.40.2" audioSamplingRate="48000" bandwidth="98096">
+    <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
+    <BaseURL>audio_dashinit.mp4</BaseURL>
+    <SegmentList timescale="48000" duration="480000">
+     <Initialization range="0-752"/>
+     <SegmentURL mediaRange="753-124129" indexRange="753-796"/>
+     <SegmentURL mediaRange="124130-250544" indexRange="124130-124173"/>
+     <SegmentURL mediaRange="250545-374929" indexRange="250545-250588"/>
+    </SegmentList>
+   </Representation>
+  </AdaptationSet>
+ </Period>
+</MPD>
+

test/testdata/mpd/subtitles.mpd

@@ -0,0 +1,351 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Created with Unified Streaming Platform (version=1.10.18-20255) -->
+<MPD
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns="urn:mpeg:dash:schema:mpd:2011"
+  xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd"
+  type="static"
+  mediaPresentationDuration="PT14M48S"
+  maxSegmentDuration="PT1M"
+  minBufferTime="PT10S"
+  profiles="urn:mpeg:dash:profile:isoff-live:2011">
+  <Period
+    id="1"
+    duration="PT14M48S">
+    <BaseURL>dash/</BaseURL>
+    <AdaptationSet
+      id="1"
+      group="1"
+      contentType="audio"
+      segmentAlignment="true"
+      audioSamplingRate="48000"
+      mimeType="audio/mp4"
+      codecs="mp4a.40.2"
+      startWithSAP="1">
+      <AudioChannelConfiguration
+        schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011"
+        value="2" />
+      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
+      <SegmentTemplate
+        timescale="48000"
+        initialization="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$.dash"
+        media="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$-$Time$.dash">
+        <SegmentTimeline>
+          <S t="0" d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="96256" r="2" />
+          <S d="95232" />
+          <S d="3584" />
+        </SegmentTimeline>
+      </SegmentTemplate>
+      <Representation
+        id="audio=128001"
+        bandwidth="128001">
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet
+      id="2"
+      group="3"
+      contentType="text"
+      lang="en"
+      mimeType="application/mp4"
+      codecs="stpp"
+      startWithSAP="1">
+      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="subtitle" />
+      <SegmentTemplate
+        timescale="1000"
+        initialization="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$.dash"
+        media="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$-$Time$.dash">
+        <SegmentTimeline>
+          <S t="0" d="60000" r="9" />
+          <S d="24000" />
+        </SegmentTimeline>
+      </SegmentTemplate>
+      <Representation
+        id="textstream_eng=1000"
+        bandwidth="1000">
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet
+      id="3"
+      group="2"
+      contentType="video"
+      par="960:409"
+      minBandwidth="100000"
+      maxBandwidth="4482000"
+      maxWidth="1689"
+      maxHeight="720"
+      segmentAlignment="true"
+      mimeType="video/mp4"
+      codecs="avc1.4D401F"
+      startWithSAP="1">
+      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
+      <SegmentTemplate
+        timescale="12288"
+        initialization="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$.dash"
+        media="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$-$Time$.dash">
+        <SegmentTimeline>
+          <S t="0" d="24576" r="443" />
+        </SegmentTimeline>
+      </SegmentTemplate>
+      <Representation
+        id="video=100000"
+        bandwidth="100000"
+        width="336"
+        height="144"
+        sar="2880:2863"
+        scanType="progressive">
+      </Representation>
+      <Representation
+        id="video=326000"
+        bandwidth="326000"
+        width="562"
+        height="240"
+        sar="115200:114929"
+        scanType="progressive">
+      </Representation>
+      <Representation
+        id="video=698000"
+        bandwidth="698000"
+        width="844"
+        height="360"
+        sar="86400:86299"
+        scanType="progressive">
+      </Representation>
+      <Representation
+        id="video=1493000"
+        bandwidth="1493000"
+        width="1126"
+        height="480"
+        sar="230400:230267"
+        scanType="progressive">
+      </Representation>
+      <Representation
+        id="video=4482000"
+        bandwidth="4482000"
+        width="1688"
+        height="720"
+        sar="86400:86299"
+        scanType="progressive">
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

test/testdata/mpd/url_and_range.mpd

@@ -0,0 +1,32 @@
+<?xml version="1.0" ?>
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT10.01S" mediaPresentationDuration="PT30.097S" type="static">
+  <!-- Created with Bento4 mp4-dash.py, VERSION=2.0.0-639 -->
+  <Period>
+    <!-- Video -->
+    <AdaptationSet mimeType="video/mp4" segmentAlignment="true" startWithSAP="1" maxWidth="768" maxHeight="432">
+      <Representation id="video-avc1" codecs="avc1.4D401E" width="768" height="432" scanType="progressive" frameRate="30000/1001" bandwidth="699597">
+        <SegmentList timescale="1000" duration="10010">
+          <Initialization sourceURL="video-frag.mp4" range="36-746"/>
+          <SegmentURL media="video-frag.mp4" mediaRange="747-876117"/>
+          <SegmentURL media="video-frag.mp4" mediaRange="876118-1466913"/>
+          <SegmentURL media="video-frag.mp4" mediaRange="1466914-1953954"/>
+          <SegmentURL media="video-frag.mp4" mediaRange="1953955-1994652"/>
+        </SegmentList>
+      </Representation>
+    </AdaptationSet>
+    <!-- Audio -->
+    <AdaptationSet mimeType="audio/mp4" startWithSAP="1" segmentAlignment="true">
+      <Representation id="audio-und-mp4a.40.2" codecs="mp4a.40.2" bandwidth="98808" audioSamplingRate="48000">
+        <AudioChannelConfiguration schemeIdUri="urn:mpeg:mpegB:cicp:ChannelConfiguration" value="2"/>
+        <SegmentList timescale="1000" duration="10010">
+          <Initialization sourceURL="audio-frag.mp4" range="32-623"/>
+          <SegmentURL media="audio-frag.mp4" mediaRange="624-124199"/>
+          <SegmentURL media="audio-frag.mp4" mediaRange="124200-250303"/>
+          <SegmentURL media="audio-frag.mp4" mediaRange="250304-374365"/>
+          <SegmentURL media="audio-frag.mp4" mediaRange="374366-374836"/>
+        </SegmentList>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>
+

youtube_dl/downloader/dash.py

@@ -35,6 +35,7 @@ class DashSegmentsFD(FragmentFD):
         for frag_index, fragment in enumerate(fragments, 1):
             if frag_index <= ctx['fragment_index']:
                 continue
+            success = False
             # In DASH, the first segment contains necessary headers to
             # generate a valid MP4 file, so always abort for the first segment
             fatal = frag_index == 1 or not skip_unavailable_fragments
@@ -42,10 +43,14 @@ class DashSegmentsFD(FragmentFD):
             if not fragment_url:
                 assert fragment_base_url
                 fragment_url = urljoin(fragment_base_url, fragment['path'])
-            success = False
+            headers = info_dict.get('http_headers')
+            fragment_range = fragment.get('range')
+            if fragment_range:
+                headers = headers.copy() if headers else {}
+                headers['Range'] = 'bytes=%s' % (fragment_range,)
             for count in itertools.count():
                 try:
-                    success, frag_content = self._download_fragment(ctx, fragment_url, info_dict)
+                    success, frag_content = self._download_fragment(ctx, fragment_url, info_dict, headers)
                     if not success:
                         return False
                     self._append_fragment(ctx, frag_content)

youtube_dl/extractor/common.py

@@ -2,6 +2,7 @@
 from __future__ import unicode_literals
 
 import base64
+import collections
 import datetime
 import functools
 import hashlib
@@ -58,6 +59,7 @@ from ..utils import (
     GeoRestrictedError,
     GeoUtils,
     int_or_none,
+    join_nonempty,
     js_to_json,
     JSON_LD_RE,
     mimetype2ext,
@@ -74,6 +76,7 @@ from ..utils import (
     str_or_none,
     str_to_int,
     strip_or_none,
+    T,
     traverse_obj,
     try_get,
     unescapeHTML,
@@ -180,6 +183,8 @@ class InfoExtractor(object):
                                             fragment_base_url
                                  * "duration" (optional, int or float)
                                  * "filesize" (optional, int)
+                                 * "range" (optional, str of the form "start-end"
+                                            to use in HTTP Range header)
                     * 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.
@@ -1751,6 +1756,12 @@ class InfoExtractor(object):
             'format_note': 'Quality selection URL',
         }
 
+    def _report_ignoring_subs(self, name):
+        self.report_warning(bug_reports_message(
+            'Ignoring subtitle tracks found in the {0} manifest; '
+            'if any subtitle tracks are missing,'.format(name)
+        ), only_once=True)
+
     def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
                               entry_protocol='m3u8', preference=None,
                               m3u8_id=None, note=None, errnote=None,
@@ -2191,23 +2202,46 @@ class InfoExtractor(object):
             })
         return entries
 
-    def _extract_mpd_formats(self, mpd_url, video_id, mpd_id=None, note=None, errnote=None, fatal=True, data=None, headers={}, query={}):
+    def _extract_mpd_formats(self, *args, **kwargs):
+        fmts, subs = self._extract_mpd_formats_and_subtitles(*args, **kwargs)
+        if subs:
+            self._report_ignoring_subs('DASH')
+        return fmts
+
+    def _extract_mpd_formats_and_subtitles(
+            self, mpd_url, video_id, mpd_id=None, note=None, errnote=None,
+            fatal=True, data=None, headers=None, query=None):
+
+        # TODO: or not? param not yet implemented
+        if self.get_param('ignore_no_formats_error'):
+            fatal = False
+
         res = self._download_xml_handle(
             mpd_url, video_id,
-            note=note or 'Downloading MPD manifest',
+            note='Downloading MPD manifest' if note is None else note,
-            errnote=errnote or 'Failed to download MPD manifest',
+            errnote='Failed to download MPD manifest' if errnote is None else errnote,
-            fatal=fatal, data=data, headers=headers, query=query)
+            fatal=fatal, data=data, headers=headers or {}, query=query or {})
         if res is False:
-            return []
+            return [], {}
         mpd_doc, urlh = res
         if mpd_doc is None:
-            return []
+            return [], {}
-        mpd_base_url = base_url(urlh.geturl())
 
-        return self._parse_mpd_formats(
+        # We could have been redirected to a new url when we retrieved our mpd file.
+        mpd_url = urlh.geturl()
+        mpd_base_url = base_url(mpd_url)
+
+        return self._parse_mpd_formats_and_subtitles(
             mpd_doc, mpd_id, mpd_base_url, mpd_url)
 
-    def _parse_mpd_formats(self, mpd_doc, mpd_id=None, mpd_base_url='', mpd_url=None):
+    def _parse_mpd_formats(self, *args, **kwargs):
+        fmts, subs = self._parse_mpd_formats_and_subtitles(*args, **kwargs)
+        if subs:
+            self._report_ignoring_subs('DASH')
+        return fmts
+
+    def _parse_mpd_formats_and_subtitles(
+            self, mpd_doc, mpd_id=None, mpd_base_url='', mpd_url=None):
         """
         Parse formats from MPD manifest.
         References:
@@ -2215,8 +2249,10 @@ class InfoExtractor(object):
             http://standards.iso.org/ittf/PubliclyAvailableStandards/c065274_ISO_IEC_23009-1_2014.zip
          2. https://en.wikipedia.org/wiki/Dynamic_Adaptive_Streaming_over_HTTP
         """
+        # TODO: param not yet implemented: default like previous yt-dl logic
+        if not self.get_param('dynamic_mpd', False):
             if mpd_doc.get('type') == 'dynamic':
-            return []
+                return [], {}
 
         namespace = self._search_regex(r'(?i)^{([^}]+)?}MPD$', mpd_doc.tag, 'namespace', default=None)
 
@@ -2226,8 +2262,24 @@ class InfoExtractor(object):
         def is_drm_protected(element):
             return element.find(_add_ns('ContentProtection')) is not None
 
+        from ..utils import YoutubeDLHandler
+        fix_path = YoutubeDLHandler._fix_path
+
+        def resolve_base_url(element, parent_base_url=None):
+            # TODO: use native XML traversal when ready
+            b_url = traverse_obj(element, (
+                T(lambda e: e.find(_add_ns('BaseURL')).text)))
+            if parent_base_url and b_url:
+                if not parent_base_url[-1] in ('/', ':'):
+                    parent_base_url += '/'
+                b_url = compat_urlparse.urljoin(parent_base_url, b_url)
+            if b_url:
+                b_url = fix_path(b_url)
+            return b_url or parent_base_url
+
         def extract_multisegment_info(element, ms_parent_info):
             ms_info = ms_parent_info.copy()
+            base_url = ms_info['base_url'] = resolve_base_url(element, ms_info.get('base_url'))
 
             # As per [1, 5.3.9.2.2] SegmentList and SegmentTemplate share some
             # common attributes and elements.  We will only extract relevant
@@ -2261,15 +2313,27 @@ class InfoExtractor(object):
             def extract_Initialization(source):
                 initialization = source.find(_add_ns('Initialization'))
                 if initialization is not None:
-                    ms_info['initialization_url'] = initialization.attrib['sourceURL']
+                    ms_info['initialization_url'] = initialization.get('sourceURL') or base_url
+                    initialization_url_range = initialization.get('range')
+                    if initialization_url_range:
+                        ms_info['initialization_url_range'] = initialization_url_range
 
             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:
+                segment_urls = traverse_obj(segment_urls_e, (
-                    ms_info['segment_urls'] = [segment.attrib['media'] for segment in segment_urls_e]
+                    Ellipsis, T(lambda e: e.attrib), 'media'))
+                if segment_urls:
+                    ms_info['segment_urls'] = segment_urls
+                segment_urls_range = traverse_obj(segment_urls_e, (
+                    Ellipsis, T(lambda e: e.attrib), 'mediaRange',
+                    T(lambda r: re.findall(r'^\d+-\d+$', r)), 0))
+                if segment_urls_range:
+                    ms_info['segment_urls_range'] = segment_urls_range
+                    if not segment_urls:
+                        ms_info['segment_urls'] = [base_url for _ in segment_urls_range]
             else:
                 segment_template = element.find(_add_ns('SegmentTemplate'))
                 if segment_template is not None:
@@ -2285,17 +2349,20 @@ class InfoExtractor(object):
             return ms_info
 
         mpd_duration = parse_duration(mpd_doc.get('mediaPresentationDuration'))
-        formats = []
+        formats, subtitles = [], {}
+        stream_numbers = collections.defaultdict(int)
+        mpd_base_url = resolve_base_url(mpd_doc, mpd_base_url or mpd_url)
         for period in mpd_doc.findall(_add_ns('Period')):
             period_duration = parse_duration(period.get('duration')) or mpd_duration
             period_ms_info = extract_multisegment_info(period, {
                 'start_number': 1,
                 'timescale': 1,
+                'base_url': mpd_base_url,
             })
             for adaptation_set in period.findall(_add_ns('AdaptationSet')):
                 if is_drm_protected(adaptation_set):
                     continue
-                adaption_set_ms_info = extract_multisegment_info(adaptation_set, period_ms_info)
+                adaptation_set_ms_info = extract_multisegment_info(adaptation_set, period_ms_info)
                 for representation in adaptation_set.findall(_add_ns('Representation')):
                     if is_drm_protected(representation):
                         continue
@@ -2303,27 +2370,35 @@ class InfoExtractor(object):
                     representation_attrib.update(representation.attrib)
                     # According to [1, 5.3.7.2, Table 9, page 41], @mimeType is mandatory
                     mime_type = representation_attrib['mimeType']
-                    content_type = mime_type.split('/')[0]
+                    content_type = representation_attrib.get('contentType') or mime_type.split('/')[0]
-                    if content_type == 'text':
+                    codec_str = representation_attrib.get('codecs', '')
-                        # TODO implement WebVTT downloading
+                    # Some kind of binary subtitle found in some youtube livestreams
-                        pass
+                    if mime_type == 'application/x-rawcc':
-                    elif content_type in ('video', 'audio'):
+                        codecs = {'scodec': codec_str}
-                        base_url = ''
+                    else:
-                        for element in (representation, adaptation_set, period, mpd_doc):
+                        codecs = parse_codecs(codec_str)
-                            base_url_e = element.find(_add_ns('BaseURL'))
+                    if content_type not in ('video', 'audio', 'text'):
-                            if base_url_e is not None:
+                        if mime_type == 'image/jpeg':
-                                base_url = base_url_e.text + base_url
+                            content_type = mime_type
-                                if re.match(r'^https?://', base_url):
+                        elif codecs.get('vcodec', 'none') != 'none':
-                                    break
+                            content_type = 'video'
-                        if mpd_base_url and not re.match(r'^https?://', base_url):
+                        elif codecs.get('acodec', 'none') != 'none':
-                            if not mpd_base_url.endswith('/') and not base_url.startswith('/'):
+                            content_type = 'audio'
-                                mpd_base_url += '/'
+                        elif codecs.get('scodec', 'none') != 'none':
-                            base_url = mpd_base_url + base_url
+                            content_type = 'text'
+                        elif mimetype2ext(mime_type) in ('tt', 'dfxp', 'ttml', 'xml', 'json'):
+                            content_type = 'text'
+                        else:
+                            self.report_warning('Unknown MIME type %s in DASH manifest' % mime_type)
+                            continue
+
                     representation_id = representation_attrib.get('id')
                     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)
+                    filesize = int_or_none(url_el.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'))
+                    format_id = join_nonempty(representation_id or content_type, mpd_id)
+                    if content_type in ('video', 'audio'):
                         f = {
                             'format_id': '%s-%s' % (mpd_id, representation_id) if mpd_id else representation_id,
                             'manifest_url': mpd_url,
@@ -2338,8 +2413,27 @@ class InfoExtractor(object):
                             'filesize': filesize,
                             'container': mimetype2ext(mime_type) + '_dash',
                         }
-                        f.update(parse_codecs(representation_attrib.get('codecs')))
+                        f.update(codecs)
-                        representation_ms_info = extract_multisegment_info(representation, adaption_set_ms_info)
+                    elif content_type == 'text':
+                        f = {
+                            'ext': mimetype2ext(mime_type),
+                            'manifest_url': mpd_url,
+                            'filesize': filesize,
+                        }
+                    elif content_type == 'image/jpeg':
+                        # See test case in VikiIE
+                        # https://www.viki.com/videos/1175236v-choosing-spouse-by-lottery-episode-1
+                        f = {
+                            'format_id': format_id,
+                            'ext': 'mhtml',
+                            'manifest_url': mpd_url,
+                            'format_note': 'DASH storyboards (jpeg)',
+                            'acodec': 'none',
+                            'vcodec': 'none',
+                        }
+                    if is_drm_protected(adaptation_set) or is_drm_protected(representation):
+                        f['has_drm'] = True
+                    representation_ms_info = extract_multisegment_info(representation, adaptation_set_ms_info)
 
                     def prepare_template(template_name, identifiers):
                         tmpl = representation_ms_info[template_name]
@@ -2380,6 +2474,11 @@ class InfoExtractor(object):
                     def location_key(location):
                         return 'url' if re.match(r'^https?://', location) else 'path'
 
+                    def calc_segment_duration():
+                        return float_or_none(
+                            representation_ms_info['segment_duration'],
+                            representation_ms_info['timescale']) if 'segment_duration' in representation_ms_info else None
+
                     if 'segment_urls' not in representation_ms_info and 'media' in representation_ms_info:
 
                         media_template = prepare_template('media', ('Number', 'Bandwidth', 'Time'))
@@ -2391,7 +2490,8 @@ class InfoExtractor(object):
                             segment_duration = None
                             if 'total_number' not in representation_ms_info and 'segment_duration' in representation_ms_info:
                                 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['total_number'] = int(math.ceil(
+                                    float_or_none(period_duration, segment_duration, default=0)))
                             representation_ms_info['fragments'] = [{
                                 media_location_key: media_template % {
                                     'Number': segment_number,
@@ -2431,11 +2531,12 @@ class InfoExtractor(object):
                                     add_segment_url()
                                     segment_number += 1
                                 segment_time += segment_d
-                        elif 'segment_urls' in representation_ms_info and 's' in representation_ms_info:
+                    elif 'segment_urls' in representation_ms_info:
+                        fragments = []
+                        if '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']:
@@ -2447,28 +2548,37 @@ class InfoExtractor(object):
                                         'duration': duration,
                                     })
                                     segment_index += 1
-                            representation_ms_info['fragments'] = fragments
+                        elif 'segment_urls_range' in representation_ms_info:
-                        elif 'segment_urls' in representation_ms_info:
+                            # Segment URLs with mediaRange
+                            # Example: https://kinescope.io/200615537/master.mpd
+                            # https://github.com/ytdl-org/youtube-dl/issues/30235
+                            # or any mpd generated with Bento4 `mp4dash --no-split --use-segment-list`
+                            segment_duration = calc_segment_duration()
+                            for segment_url, segment_url_range in zip(
+                                    representation_ms_info['segment_urls'], representation_ms_info['segment_urls_range']):
+                                fragments.append({
+                                    location_key(segment_url): segment_url,
+                                    'range': segment_url_range,
+                                    'duration': segment_duration,
+                                })
+                        else:
                             # Segment URLs with no SegmentTimeline
                             # Example: https://www.seznam.cz/zpravy/clanek/cesko-zasahne-vitr-o-sile-vichrice-muze-byt-i-zivotu-nebezpecny-39091
                             # https://github.com/ytdl-org/youtube-dl/pull/14844
-                            fragments = []
+                            segment_duration = calc_segment_duration()
-                            segment_duration = float_or_none(
-                                representation_ms_info['segment_duration'],
-                                representation_ms_info['timescale']) if 'segment_duration' in representation_ms_info else None
                             for segment_url in representation_ms_info['segment_urls']:
-                                fragment = {
+                                fragments.append({
                                     location_key(segment_url): segment_url,
-                                }
+                                    'duration': segment_duration,
-                                if segment_duration:
+                                })
-                                    fragment['duration'] = segment_duration
-                                fragments.append(fragment)
                         representation_ms_info['fragments'] = fragments
+
                     # If there is a fragments key available then we correctly recognized fragmented media.
                     # Otherwise we will assume unfragmented media with direct access. Technically, such
                     # assumption is not necessarily correct since we may simply have no support for
                     # some forms of fragmented media renditions yet, but for now we'll use this fallback.
                     if 'fragments' in representation_ms_info:
+                        base_url = representation_ms_info['base_url']
                         f.update({
                             # NB: mpd_url may be empty when MPD manifest is parsed from a string
                             'url': mpd_url or base_url,
@@ -2476,19 +2586,40 @@ class InfoExtractor(object):
                             'fragments': [],
                             'protocol': 'http_dash_segments',
                         })
-                            if 'initialization_url' in representation_ms_info:
+                        if 'initialization_url' in representation_ms_info and 'initialization_url_range' in representation_ms_info:
+                            # Initialization URL with range (accompanied by Segment URLs with mediaRange above)
+                            # https://github.com/ytdl-org/youtube-dl/issues/30235
+                            initialization_url = representation_ms_info['initialization_url']
+                            f['fragments'].append({
+                                location_key(initialization_url): initialization_url,
+                                'range': representation_ms_info['initialization_url_range'],
+                            })
+                        elif 'initialization_url' in representation_ms_info:
                             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})
+                        elif 'initialization_url_range' in representation_ms_info:
+                            # no Initialization URL but range (accompanied by no Segment URLs but mediaRange above)
+                            # https://github.com/ytdl-org/youtube-dl/issues/27575
+                            f['fragments'].append({
+                                location_key(base_url): base_url,
+                                'range': representation_ms_info['initialization_url_range'],
+                            })
                         f['fragments'].extend(representation_ms_info['fragments'])
+                        if not period_duration:
+                            period_duration = sum(traverse_obj(representation_ms_info, (
+                                'fragments', Ellipsis, 'duration', T(float_or_none))))
                     else:
                         # Assuming direct URL to unfragmented media.
-                            f['url'] = base_url
+                        f['url'] = representation_ms_info['base_url']
+                    if content_type in ('video', 'audio', 'image/jpeg'):
+                        f['manifest_stream_number'] = stream_numbers[f['url']]
+                        stream_numbers[f['url']] += 1
                         formats.append(f)
-                    else:
+                    elif content_type == 'text':
-                        self.report_warning('Unknown MIME type %s in DASH manifest' % mime_type)
+                        subtitles.setdefault(lang or 'und', []).append(f)
-        return formats
+        return formats, subtitles
 
     def _extract_ism_formats(self, ism_url, video_id, ism_id=None, note=None, errnote=None, fatal=True, data=None, headers={}, query={}):
         res = self._download_xml_handle(

youtube_dl/extractor/vbox7.py

@@ -2,9 +2,20 @@
 from __future__ import unicode_literals
 
 import re
+import time
 
 from .common import InfoExtractor
-from ..utils import ExtractorError
+from ..compat import compat_kwargs
+from ..utils import (
+    determine_ext,
+    ExtractorError,
+    float_or_none,
+    merge_dicts,
+    T,
+    traverse_obj,
+    txt_or_none,
+    url_or_none,
+)
 
 
 class Vbox7IE(InfoExtractor):
@@ -20,10 +31,12 @@ class Vbox7IE(InfoExtractor):
                         )
                         (?P<id>[\da-fA-F]+)
                     '''
+    _EMBED_REGEX = [r'<iframe[^>]+src=(?P<q>["\'])(?P<url>(?:https?:)?//vbox7\.com/emb/external\.php.+?)(?P=q)']
     _GEO_COUNTRIES = ['BG']
+    _GEO_BYPASS = False
     _TESTS = [{
-        'url': 'http://vbox7.com/play:0946fff23c',
+        'url': 'https://vbox7.com/play:0946fff23c',
-        'md5': 'a60f9ab3a3a2f013ef9a967d5f7be5bf',
+        'md5': '50ca1f78345a9c15391af47d8062d074',
         'info_dict': {
             'id': '0946fff23c',
             'ext': 'mp4',
@@ -34,18 +47,21 @@ class Vbox7IE(InfoExtractor):
             'upload_date': '20160812',
             'uploader': 'zdraveibulgaria',
         },
-        'params': {
+        'expected_warnings': [
-            'proxy': '127.0.0.1:8118',
+            'Unable to download webpage',
-        },
+        ],
     }, {
         'url': 'http://vbox7.com/play:249bb972c2',
-        'md5': '99f65c0c9ef9b682b97313e052734c3f',
+        'md5': 'aaf19465e37ec0b30b918df83ec32c50',
         'info_dict': {
             'id': '249bb972c2',
             'ext': 'mp4',
             'title': 'Смях! Чудо - чист за секунди - Скрита камера',
+            'description': 'Смях! Чудо - чист за секунди - Скрита камера',
+            'timestamp': 1360215023,
+            'upload_date': '20130207',
+            'uploader': 'svideteliat_ot_varshava',
         },
-        'skip': 'georestricted',
     }, {
         'url': 'http://vbox7.com/emb/external.php?vid=a240d20f9c&autoplay=1',
         'only_matching': True,
@@ -54,52 +70,109 @@ class Vbox7IE(InfoExtractor):
         'only_matching': True,
     }]
 
-    @staticmethod
+    @classmethod
-    def _extract_url(webpage):
+    def _extract_url(cls, webpage):
-        mobj = re.search(
+        mobj = re.search(cls._EMBED_REGEX[0], webpage)
-            r'<iframe[^>]+src=(?P<q>["\'])(?P<url>(?:https?:)?//vbox7\.com/emb/external\.php.+?)(?P=q)',
-            webpage)
         if mobj:
             return mobj.group('url')
 
+    # transform_source=None, fatal=True
+    def _parse_json(self, json_string, video_id, *args, **kwargs):
+        if '"@context"' in json_string[:30]:
+            # this is ld+json, or that's the way to bet
+            transform_source = args[0] if len(args) > 0 else kwargs.get('transform_source')
+            if not transform_source:
+
+                def fix_chars(src):
+                    # fix malformed ld+json: replace raw CRLFs with escaped LFs
+                    return re.sub(
+                        r'"[^"]+"', lambda m: re.sub(r'\r?\n', r'\\n', m.group(0)), src)
+
+                if len(args) > 0:
+                    args = (fix_chars,) + args[1:]
+                else:
+                    kwargs['transform_source'] = fix_chars
+                    kwargs = compat_kwargs(kwargs)
+
+        return super(Vbox7IE, self)._parse_json(
+            json_string, video_id, *args, **kwargs)
+
     def _real_extract(self, url):
         video_id = self._match_id(url)
+        url = 'https://vbox7.com/play:%s' % (video_id,)
 
+        now = time.time()
         response = self._download_json(
-            'https://www.vbox7.com/ajax/video/nextvideo.php?vid=%s' % video_id,
+            'https://www.vbox7.com/aj/player/item/options?vid=%s' % (video_id,),
-            video_id)
+            video_id, headers={'Referer': url})
+        # estimate time to which possible `ago` member is relative
+        now = now + 0.5 * (time.time() - now)
 
         if 'error' in response:
             raise ExtractorError(
                 '%s said: %s' % (self.IE_NAME, response['error']), expected=True)
 
-        video = response['options']
+        video_url = traverse_obj(response, ('options', 'src', T(url_or_none)))
 
-        title = video['title']
+        if '/na.mp4' in video_url or '':
-        video_url = video['src']
-
-        if '/na.mp4' in video_url:
             self.raise_geo_restricted(countries=self._GEO_COUNTRIES)
 
-        uploader = video.get('uploader')
+        ext = determine_ext(video_url)
+        if ext == 'mpd':
+            # In case MPD cannot be parsed, or anyway, get mp4 combined
+            # formats usually provided to Safari, iOS, and old Windows
+            try:
+                formats, subtitles = self._extract_mpd_formats_and_subtitles(
+                    video_url, video_id, 'dash', fatal=False)
+            except KeyError:
+                self.report_warning('Failed to parse MPD manifest')
+                formats, subtitles = [], {}
 
-        webpage = self._download_webpage(
+            video = response['options']
-            'http://vbox7.com/play:%s' % video_id, video_id, fatal=None)
+            resolutions = (1080, 720, 480, 240, 144)
+            highest_res = traverse_obj(video, ('highestRes', T(int))) or resolutions[0]
+            for res in traverse_obj(video, ('resolutions', lambda _, r: int(r) > 0)) or resolutions:
+                if res > highest_res:
+                    continue
+                formats.append({
+                    'url': video_url.replace('.mpd', '_%d.mp4' % res),
+                    'format_id': '%dp' % res,
+                    'height': res,
+                })
+            # if above formats are flaky, enable the line below
+            # self._check_formats(formats, video_id)
+        else:
+            formats = [{
+                'url': video_url,
+            }]
+            subtitles = {}
+        self._sort_formats(formats)
 
-        info = {}
+        webpage = self._download_webpage(url, video_id, fatal=False) or ''
 
-        if webpage:
         info = self._search_json_ld(
             webpage.replace('"/*@context"', '"@context"'), video_id,
-                fatal=False)
+            fatal=False) if webpage else {}
 
-        info.update({
+        if not info.get('title'):
+            info['title'] = traverse_obj(response, (
+                'options', 'title', T(txt_or_none))) or self._og_search_title(webpage)
+
+        def if_missing(k):
+            return lambda x: None if k in info else x
+
+        info = merge_dicts(info, {
             'id': video_id,
-            'title': title,
+            'formats': formats,
-            'url': video_url,
+            'subtitles': subtitles or None,
-            'uploader': uploader,
+        }, info, traverse_obj(response, ('options', {
-            'thumbnail': self._proto_relative_url(
+            'uploader': ('uploader', T(txt_or_none)),
+            'timestamp': ('ago', T(if_missing('timestamp')), T(lambda t: int(round((now - t) / 60.0)) * 60)),
+            'duration': ('duration', T(if_missing('duration')), T(float_or_none)),
+        })))
+        if 'thumbnail' not in info:
+            info['thumbnail'] = self._proto_relative_url(
                 info.get('thumbnail') or self._og_search_thumbnail(webpage),
-                'http:'),
+                'https:'),
-        })
+
         return info