[soundcloud] improve extraction

- improve format extraction(closes #22123)
- extract uploader_id and uploader_url(closes #21916)
- extract all known thumbnails(closes #19071)(closes #20659)
- fix extration for private playlists(closes #20976)
- add support for playlist embeds(#20976)
- skip preview formats(closes #22806)

3 files changed, 249 insertions, 257 deletions

diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index a8fe0de1a..388c1ebe6 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -1033,6 +1033,7 @@ from .snotr import SnotrIE
 from .sohu import SohuIE
 from .sonyliv import SonyLIVIE
 from .soundcloud import (
+    SoundcloudEmbedIE,
     SoundcloudIE,
     SoundcloudSetIE,
     SoundcloudUserIE,
diff --git a/youtube_dl/extractor/generic.py b/youtube_dl/extractor/generic.py
index f66cae0eb..1c0780e98 100644
--- a/youtube_dl/extractor/generic.py
+++ b/youtube_dl/extractor/generic.py
@@ -80,7 +80,7 @@ from .theplatform import ThePlatformIE
 from .kaltura import KalturaIE
 from .eagleplatform import EaglePlatformIE
 from .facebook import FacebookIE
-from .soundcloud import SoundcloudIE
+from .soundcloud import SoundcloudEmbedIE
 from .tunein import TuneInBaseIE
 from .vbox7 import Vbox7IE
 from .dbtv import DBTVIE
@@ -2749,9 +2749,9 @@ class GenericIE(InfoExtractor):
             return self.url_result(myvi_url)
 
         # Look for embedded soundcloud player
-        soundcloud_urls = SoundcloudIE._extract_urls(webpage)
+        soundcloud_urls = SoundcloudEmbedIE._extract_urls(webpage)
         if soundcloud_urls:
-            return self.playlist_from_matches(soundcloud_urls, video_id, video_title, getter=unescapeHTML, ie=SoundcloudIE.ie_key())
+            return self.playlist_from_matches(soundcloud_urls, video_id, video_title, getter=unescapeHTML)
 
         # Look for tunein player
         tunein_urls = TuneInBaseIE._extract_urls(webpage)
diff --git a/youtube_dl/extractor/soundcloud.py b/youtube_dl/extractor/soundcloud.py
index 05538f3d6..875b9d887 100644
--- a/youtube_dl/extractor/soundcloud.py
+++ b/youtube_dl/extractor/soundcloud.py
@@ -11,14 +11,13 @@ from .common import (
 from ..compat import (
     compat_str,
     compat_urlparse,
-    compat_urllib_parse_urlencode,
 )
 from ..utils import (
     ExtractorError,
     float_or_none,
+    HEADRequest,
     int_or_none,
     KNOWN_EXTENSIONS,
-    merge_dicts,
     mimetype2ext,
     str_or_none,
     try_get,
@@ -28,6 +27,20 @@ from ..utils import (
 )
 
 
+class SoundcloudEmbedIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:w|player|p)\.soundcloud\.com/player/?.*?url=(?P<id>.*)'
+
+    @staticmethod
+    def _extract_urls(webpage):
+        return [m.group('url') for m in re.finditer(
+            r'<iframe[^>]+src=(["\'])(?P<url>(?:https?://)?(?:w\.)?soundcloud\.com/player.+?)\1',
+            webpage)]
+
+    def _real_extract(self, url):
+        return self.url_result(compat_urlparse.parse_qs(
+            compat_urlparse.urlparse(url).query)['url'][0])
+
+
 class SoundcloudIE(InfoExtractor):
     """Information extractor for soundcloud.com
        To access the media, the uid of the song and a stream token
@@ -44,9 +57,8 @@ class SoundcloudIE(InfoExtractor):
                             (?!(?:tracks|albums|sets(?:/.+?)?|reposts|likes|spotlight)/?(?:$|[?#]))
                             (?P<title>[\w\d-]+)/?
                             (?P<token>[^?]+?)?(?:[?].*)?$)
-                       |(?:api\.soundcloud\.com/tracks/(?P<track_id>\d+)
+                       |(?:api(?:-v2)?\.soundcloud\.com/tracks/(?P<track_id>\d+)
                           (?:/?\?secret_token=(?P<secret_token>[^&]+))?)
-                       |(?P<player>(?:w|player|p.)\.soundcloud\.com/player/?.*?url=.*)
                     )
                     '''
     IE_NAME = 'soundcloud'
@@ -60,6 +72,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Lostin Powers - She so Heavy (SneakPreview) Adrian Ackers Blueprint 1',
                 'description': 'No Downloads untill we record the finished version this weekend, i was too pumped n i had to post it , earl is prolly gonna b hella p.o\'d',
                 'uploader': 'E.T. ExTerrestrial Music',
+                'uploader_id': '1571244',
                 'timestamp': 1349920598,
                 'upload_date': '20121011',
                 'duration': 143.216,
@@ -79,6 +92,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Goldrushed',
                 'description': 'From Stockholm Sweden\r\nPovel / Magnus / Filip / David\r\nwww.theroyalconcept.com',
                 'uploader': 'The Royal Concept',
+                'uploader_id': '9615865',
                 'timestamp': 1337635207,
                 'upload_date': '20120521',
                 'duration': 30,
@@ -92,6 +106,7 @@ class SoundcloudIE(InfoExtractor):
                 # rtmp
                 'skip_download': True,
             },
+            'skip': 'Preview',
         },
         # private link
         {
@@ -103,6 +118,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Youtube - Dl Test Video \'\' Ä↭',
                 'description': 'test chars:  \"\'/\\ä↭',
                 'uploader': 'jaimeMF',
+                'uploader_id': '69767071',
                 'timestamp': 1386604920,
                 'upload_date': '20131209',
                 'duration': 9.927,
@@ -123,6 +139,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Youtube - Dl Test Video \'\' Ä↭',
                 'description': 'test chars:  \"\'/\\ä↭',
                 'uploader': 'jaimeMF',
+                'uploader_id': '69767071',
                 'timestamp': 1386604920,
                 'upload_date': '20131209',
                 'duration': 9.927,
@@ -143,6 +160,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Bus Brakes',
                 'description': 'md5:0053ca6396e8d2fd7b7e1595ef12ab66',
                 'uploader': 'oddsamples',
+                'uploader_id': '73680509',
                 'timestamp': 1389232924,
                 'upload_date': '20140109',
                 'duration': 17.346,
@@ -163,6 +181,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Uplifting Only 238 [No Talking] (incl. Alex Feed Guestmix) (Aug 31, 2017) [wav]',
                 'description': 'md5:fa20ee0fca76a3d6df8c7e57f3715366',
                 'uploader': 'Ori Uplift Music',
+                'uploader_id': '12563093',
                 'timestamp': 1504206263,
                 'upload_date': '20170831',
                 'duration': 7449.096,
@@ -183,6 +202,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Sideways (Prod. Mad Real)',
                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
                 'uploader': 'garyvee',
+                'uploader_id': '2366352',
                 'timestamp': 1488152409,
                 'upload_date': '20170226',
                 'duration': 207.012,
@@ -207,6 +227,7 @@ class SoundcloudIE(InfoExtractor):
                 'title': 'Mezzo Valzer',
                 'description': 'md5:4138d582f81866a530317bae316e8b61',
                 'uploader': 'Giovanni Sarani',
+                'uploader_id': '3352531',
                 'timestamp': 1551394171,
                 'upload_date': '20190228',
                 'duration': 180.157,
@@ -221,114 +242,81 @@ class SoundcloudIE(InfoExtractor):
         }
     ]
 
+    _API_BASE = 'https://api.soundcloud.com/'
+    _API_V2_BASE = 'https://api-v2.soundcloud.com/'
+    _BASE_URL = 'https://soundcloud.com/'
     _CLIENT_ID = 'BeGVhOrGmfboy1LtiHTQF6Ejpt9ULJCI'
-
-    @staticmethod
-    def _extract_urls(webpage):
-        return [m.group('url') for m in re.finditer(
-            r'<iframe[^>]+src=(["\'])(?P<url>(?:https?://)?(?:w\.)?soundcloud\.com/player.+?)\1',
-            webpage)]
+    _IMAGE_REPL_RE = r'-([0-9a-z]+)\.jpg'
+
+    _ARTWORK_MAP = {
+        'mini': 16,
+        'tiny': 20,
+        'small': 32,
+        'badge': 47,
+        't67x67': 67,
+        'large': 100,
+        't300x300': 300,
+        'crop': 400,
+        't500x500': 500,
+        'original': 0,
+    }
 
     @classmethod
     def _resolv_url(cls, url):
-        return 'https://api.soundcloud.com/resolve.json?url=' + url + '&client_id=' + cls._CLIENT_ID
+        return SoundcloudIE._API_V2_BASE + 'resolve?url=' + url + '&client_id=' + cls._CLIENT_ID
 
-    def _extract_info_dict(self, info, full_title=None, quiet=False, secret_token=None):
+    def _extract_info_dict(self, info, full_title=None, secret_token=None, version=2):
         track_id = compat_str(info['id'])
         title = info['title']
-        name = full_title or track_id
-        if quiet:
-            self.report_extraction(name)
-        thumbnail = info.get('artwork_url') or info.get('user', {}).get('avatar_url')
-        if isinstance(thumbnail, compat_str):
-            thumbnail = thumbnail.replace('-large', '-t500x500')
-        username = try_get(info, lambda x: x['user']['username'], compat_str)
-
-        def extract_count(key):
-            return int_or_none(info.get('%s_count' % key))
-
-        like_count = extract_count('favoritings')
-        if like_count is None:
-            like_count = extract_count('likes')
-
-        result = {
-            'id': track_id,
-            'uploader': username,
-            'timestamp': unified_timestamp(info.get('created_at')),
-            'title': title,
-            'description': info.get('description'),
-            'thumbnail': thumbnail,
-            'duration': float_or_none(info.get('duration'), 1000),
-            'webpage_url': info.get('permalink_url'),
-            'license': info.get('license'),
-            'view_count': extract_count('playback'),
-            'like_count': like_count,
-            'comment_count': extract_count('comment'),
-            'repost_count': extract_count('reposts'),
-            'genre': info.get('genre'),
-        }
+        track_base_url = self._API_BASE + 'tracks/%s' % track_id
 
         format_urls = set()
         formats = []
         query = {'client_id': self._CLIENT_ID}
-        if secret_token is not None:
+        if secret_token:
             query['secret_token'] = secret_token
-        if info.get('downloadable', False):
-            # We can build a direct link to the song
+
+        if info.get('downloadable'):
             format_url = update_url_query(
-                'https://api.soundcloud.com/tracks/%s/download' % track_id, query)
+                info.get('download_url') or track_base_url + '/download', query)
             format_urls.add(format_url)
+            if version == 2:
+                v1_info = self._download_json(
+                    track_base_url, track_id, query=query, fatal=False) or {}
+            else:
+                v1_info = info
             formats.append({
                 'format_id': 'download',
-                'ext': info.get('original_format', 'mp3'),
+                'ext': v1_info.get('original_format') or 'mp3',
+                'filesize': int_or_none(v1_info.get('original_content_size')),
                 'url': format_url,
-                'vcodec': 'none',
                 'preference': 10,
             })
 
-        # Old API, does not work for some tracks (e.g.
-        # https://soundcloud.com/giovannisarani/mezzo-valzer)
-        format_dict = self._download_json(
-            'https://api.soundcloud.com/i1/tracks/%s/streams' % track_id,
-            track_id, 'Downloading track url', query=query, fatal=False)
-
-        if format_dict:
-            for key, stream_url in format_dict.items():
-                if stream_url in format_urls:
-                    continue
-                format_urls.add(stream_url)
-                ext, abr = 'mp3', None
-                mobj = re.search(r'_([^_]+)_(\d+)_url', key)
-                if mobj:
-                    ext, abr = mobj.groups()
-                    abr = int(abr)
-                if key.startswith('http'):
-                    stream_formats = [{
-                        'format_id': key,
-                        'ext': ext,
-                        'url': stream_url,
-                    }]
-                elif key.startswith('rtmp'):
-                    # The url doesn't have an rtmp app, we have to extract the playpath
-                    url, path = stream_url.split('mp3:', 1)
-                    stream_formats = [{
-                        'format_id': key,
-                        'url': url,
-                        'play_path': 'mp3:' + path,
-                        'ext': 'flv',
-                    }]
-                elif key.startswith('hls'):
-                    stream_formats = self._extract_m3u8_formats(
-                        stream_url, track_id, ext, entry_protocol='m3u8_native',
-                        m3u8_id=key, fatal=False)
-                else:
-                    continue
-
-                if abr:
-                    for f in stream_formats:
-                        f['abr'] = abr
+        def invalid_url(url):
+            return not url or url in format_urls or re.search(r'/(?:preview|playlist)/0/30/', url)
 
-                formats.extend(stream_formats)
+        def add_format(f, protocol):
+            mobj = re.search(r'\.(?P<abr>\d+)\.(?P<ext>[0-9a-z]{3,4})(?=[/?])', stream_url)
+            if mobj:
+                for k, v in mobj.groupdict().items():
+                    if not f.get(k):
+                        f[k] = v
+            format_id_list = []
+            if protocol:
+                format_id_list.append(protocol)
+            for k in ('ext', 'abr'):
+                v = f.get(k)
+                if v:
+                    format_id_list.append(v)
+            abr = f.get('abr')
+            if abr:
+                f['abr'] = int(abr)
+            f.update({
+                'format_id': '_'.join(format_id_list),
+                'protocol': 'm3u8_native' if protocol == 'hls' else 'http',
+            })
+            formats.append(f)
 
         # New API
         transcodings = try_get(
@@ -337,129 +325,165 @@ class SoundcloudIE(InfoExtractor):
             if not isinstance(t, dict):
                 continue
             format_url = url_or_none(t.get('url'))
-            if not format_url:
+            if not format_url or t.get('snipped') or '/preview/' in format_url:
                 continue
             stream = self._download_json(
-                update_url_query(format_url, query), track_id, fatal=False)
+                format_url, track_id, query=query, fatal=False)
             if not isinstance(stream, dict):
                 continue
             stream_url = url_or_none(stream.get('url'))
-            if not stream_url:
-                continue
-            if stream_url in format_urls:
+            if invalid_url(stream_url):
                 continue
             format_urls.add(stream_url)
-            protocol = try_get(t, lambda x: x['format']['protocol'], compat_str)
+            stream_format = t.get('format') or {}
+            protocol = stream_format.get('protocol')
             if protocol != 'hls' and '/hls' in format_url:
                 protocol = 'hls'
             ext = None
             preset = str_or_none(t.get('preset'))
             if preset:
                 ext = preset.split('_')[0]
-                if ext not in KNOWN_EXTENSIONS:
-                    mimetype = try_get(
-                        t, lambda x: x['format']['mime_type'], compat_str)
-                    ext = mimetype2ext(mimetype) or 'mp3'
-            format_id_list = []
-            if protocol:
-                format_id_list.append(protocol)
-            format_id_list.append(ext)
-            format_id = '_'.join(format_id_list)
-            formats.append({
+            if ext not in KNOWN_EXTENSIONS:
+                ext = mimetype2ext(stream_format.get('mime_type'))
+            add_format({
                 'url': stream_url,
-                'format_id': format_id,
                 'ext': ext,
-                'protocol': 'm3u8_native' if protocol == 'hls' else 'http',
-            })
+            }, 'http' if protocol == 'progressive' else protocol)
+
+        if not formats:
+            # Old API, does not work for some tracks (e.g.
+            # https://soundcloud.com/giovannisarani/mezzo-valzer)
+            # and might serve preview URLs (e.g.
+            # http://www.soundcloud.com/snbrn/ele)
+            format_dict = self._download_json(
+                track_base_url + '/streams', track_id,
+                'Downloading track url', query=query, fatal=False) or {}
+
+            for key, stream_url in format_dict.items():
+                if invalid_url(stream_url):
+                    continue
+                format_urls.add(stream_url)
+                mobj = re.search(r'(http|hls)_([^_]+)_(\d+)_url', key)
+                if mobj:
+                    protocol, ext, abr = mobj.groups()
+                    add_format({
+                        'abr': abr,
+                        'ext': ext,
+                        'url': stream_url,
+                    }, protocol)
 
         if not formats:
             # We fallback to the stream_url in the original info, this
             # cannot be always used, sometimes it can give an HTTP 404 error
-            formats.append({
-                'format_id': 'fallback',
-                'url': update_url_query(info['stream_url'], query),
-                'ext': 'mp3',
-            })
-            self._check_formats(formats, track_id)
+            urlh = self._request_webpage(
+                HEADRequest(info.get('stream_url') or track_base_url + '/stream'),
+                track_id, query=query, fatal=False)
+            if urlh:
+                stream_url = urlh.geturl()
+                if not invalid_url(stream_url):
+                    add_format({'url': stream_url}, 'http')
 
         for f in formats:
             f['vcodec'] = 'none'
 
         self._sort_formats(formats)
-        result['formats'] = formats
 
-        return result
+        user = info.get('user') or {}
+
+        thumbnails = []
+        artwork_url = info.get('artwork_url')
+        thumbnail = artwork_url or user.get('avatar_url')
+        if isinstance(thumbnail, compat_str):
+            if re.search(self._IMAGE_REPL_RE, thumbnail):
+                for image_id, size in self._ARTWORK_MAP.items():
+                    i = {
+                        'id': image_id,
+                        'url': re.sub(self._IMAGE_REPL_RE, '-%s.jpg' % image_id, thumbnail),
+                    }
+                    if image_id == 'tiny' and not artwork_url:
+                        size = 18
+                    elif image_id == 'original':
+                        i['preference'] = 10
+                    if size:
+                        i.update({
+                            'width': size,
+                            'height': size,
+                        })
+                    thumbnails.append(i)
+            else:
+                thumbnails = [{'url': thumbnail}]
+
+        def extract_count(key):
+            return int_or_none(info.get('%s_count' % key))
+
+        return {
+            'id': track_id,
+            'uploader': user.get('username'),
+            'uploader_id': str_or_none(user.get('id')) or user.get('permalink'),
+            'uploader_url': user.get('permalink_url'),
+            'timestamp': unified_timestamp(info.get('created_at')),
+            'title': title,
+            'description': info.get('description'),
+            'thumbnails': thumbnails,
+            'duration': float_or_none(info.get('duration'), 1000),
+            'webpage_url': info.get('permalink_url'),
+            'license': info.get('license'),
+            'view_count': extract_count('playback'),
+            'like_count': extract_count('favoritings') or extract_count('likes'),
+            'comment_count': extract_count('comment'),
+            'repost_count': extract_count('reposts'),
+            'genre': info.get('genre'),
+            'formats': formats
+        }
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url, flags=re.VERBOSE)
-        if mobj is None:
-            raise ExtractorError('Invalid URL: %s' % url)
+        mobj = re.match(self._VALID_URL, url)
 
         track_id = mobj.group('track_id')
-        new_info = {}
 
-        if track_id is not None:
-            info_json_url = 'https://api.soundcloud.com/tracks/' + track_id + '.json?client_id=' + self._CLIENT_ID
+        query = {
+            'client_id': self._CLIENT_ID,
+        }
+        if track_id:
+            info_json_url = self._API_V2_BASE + 'tracks/' + track_id
             full_title = track_id
             token = mobj.group('secret_token')
             if token:
-                info_json_url += '&secret_token=' + token
-        elif mobj.group('player'):
-            query = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
-            real_url = query['url'][0]
-            # If the token is in the query of the original url we have to
-            # manually add it
-            if 'secret_token' in query:
-                real_url += '?secret_token=' + query['secret_token'][0]
-            return self.url_result(real_url)
+                query['secret_token'] = token
         else:
-            # extract uploader (which is in the url)
-            uploader = mobj.group('uploader')
-            # extract simple title (uploader + slug of song title)
-            slug_title = mobj.group('title')
+            full_title = resolve_title = '%s/%s' % mobj.group('uploader', 'title')
             token = mobj.group('token')
-            full_title = resolve_title = '%s/%s' % (uploader, slug_title)
             if token:
                 resolve_title += '/%s' % token
+            info_json_url = self._resolv_url(self._BASE_URL + resolve_title)
 
-            webpage = self._download_webpage(url, full_title, fatal=False)
-            if webpage:
-                entries = self._parse_json(
-                    self._search_regex(
-                        r'var\s+c\s*=\s*(\[.+?\])\s*,\s*o\s*=Date\b', webpage,
-                        'data', default='[]'), full_title, fatal=False)
-                if entries:
-                    for e in entries:
-                        if not isinstance(e, dict):
-                            continue
-                        if e.get('id') != 67:
-                            continue
-                        data = try_get(e, lambda x: x['data'][0], dict)
-                        if data:
-                            new_info = data
-                            break
-                info_json_url = self._resolv_url(
-                    'https://soundcloud.com/%s' % resolve_title)
-
-        # Contains some additional info missing from new_info
+        version = 2
         info = self._download_json(
-            info_json_url, full_title, 'Downloading info JSON')
+            info_json_url, full_title, 'Downloading info JSON', query=query, fatal=False)
+        if not info:
+            info = self._download_json(
+                info_json_url.replace(self._API_V2_BASE, self._API_BASE),
+                full_title, 'Downloading info JSON', query=query)
+            version = 1
 
-        return self._extract_info_dict(
-            merge_dicts(info, new_info), full_title, secret_token=token)
+        return self._extract_info_dict(info, full_title, token, version)
 
 
 class SoundcloudPlaylistBaseIE(SoundcloudIE):
-    @staticmethod
-    def _extract_id(e):
-        return compat_str(e['id']) if e.get('id') else None
-
-    def _extract_track_entries(self, tracks):
-        return [
-            self.url_result(
-                track['permalink_url'], SoundcloudIE.ie_key(),
-                video_id=self._extract_id(track))
-            for track in tracks if track.get('permalink_url')]
+    def _extract_track_entries(self, tracks, token=None):
+        entries = []
+        for track in tracks:
+            track_id = str_or_none(track.get('id'))
+            url = track.get('permalink_url')
+            if not url:
+                if not track_id:
+                    continue
+                url = self._API_V2_BASE + 'tracks/' + track_id
+                if token:
+                    url += '?secret_token=' + token
+            entries.append(self.url_result(
+                url, SoundcloudIE.ie_key(), track_id))
+        return entries
 
 
 class SoundcloudSetIE(SoundcloudPlaylistBaseIE):
@@ -480,41 +504,28 @@ class SoundcloudSetIE(SoundcloudPlaylistBaseIE):
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
 
-        # extract uploader (which is in the url)
-        uploader = mobj.group('uploader')
-        # extract simple title (uploader + slug of song title)
-        slug_title = mobj.group('slug_title')
-        full_title = '%s/sets/%s' % (uploader, slug_title)
-        url = 'https://soundcloud.com/%s/sets/%s' % (uploader, slug_title)
-
+        full_title = '%s/sets/%s' % mobj.group('uploader', 'slug_title')
         token = mobj.group('token')
         if token:
             full_title += '/' + token
-            url += '/' + token
 
-        resolv_url = self._resolv_url(url)
-        info = self._download_json(resolv_url, full_title)
+        info = self._download_json(self._resolv_url(
+            self._BASE_URL + full_title), full_title)
 
         if 'errors' in info:
             msgs = (compat_str(err['error_message']) for err in info['errors'])
             raise ExtractorError('unable to download video webpage: %s' % ','.join(msgs))
 
-        entries = self._extract_track_entries(info['tracks'])
+        entries = self._extract_track_entries(info['tracks'], token)
 
-        return {
-            '_type': 'playlist',
-            'entries': entries,
-            'id': '%s' % info['id'],
-            'title': info['title'],
-        }
+        return self.playlist_result(
+            entries, str_or_none(info.get('id')), info.get('title'))
 
 
 class SoundcloudPagedPlaylistBaseIE(SoundcloudPlaylistBaseIE):
-    _API_V2_BASE = 'https://api-v2.soundcloud.com'
-
     def _extract_playlist(self, base_url, playlist_id, playlist_title):
         COMMON_QUERY = {
-            'limit': 50,
+            'limit': 2000000000,
             'client_id': self._CLIENT_ID,
             'linked_partitioning': '1',
         }
@@ -522,12 +533,13 @@ class SoundcloudPagedPlaylistBaseIE(SoundcloudPlaylistBaseIE):
         query = COMMON_QUERY.copy()
         query['offset'] = 0
 
-        next_href = base_url + '?' + compat_urllib_parse_urlencode(query)
+        next_href = base_url
 
         entries = []
         for i in itertools.count():
             response = self._download_json(
-                next_href, playlist_id, 'Downloading track page %s' % (i + 1))
+                next_href, playlist_id,
+                'Downloading track page %s' % (i + 1), query=query)
 
             collection = response['collection']
 
@@ -546,9 +558,8 @@ class SoundcloudPagedPlaylistBaseIE(SoundcloudPlaylistBaseIE):
                         continue
                     return self.url_result(
                         permalink_url,
-                        ie=SoundcloudIE.ie_key() if SoundcloudIE.suitable(permalink_url) else None,
-                        video_id=self._extract_id(cand),
-                        video_title=cand.get('title'))
+                        SoundcloudIE.ie_key() if SoundcloudIE.suitable(permalink_url) else None,
+                        str_or_none(cand.get('id')), cand.get('title'))
 
             for e in collection:
                 entry = resolve_entry((e, e.get('track'), e.get('playlist')))
@@ -559,11 +570,10 @@ class SoundcloudPagedPlaylistBaseIE(SoundcloudPlaylistBaseIE):
             if not next_href:
                 break
 
-            parsed_next_href = compat_urlparse.urlparse(response['next_href'])
-            qs = compat_urlparse.parse_qs(parsed_next_href.query)
-            qs.update(COMMON_QUERY)
-            next_href = compat_urlparse.urlunparse(
-                parsed_next_href._replace(query=compat_urllib_parse_urlencode(qs, True)))
+            next_href = response['next_href']
+            parsed_next_href = compat_urlparse.urlparse(next_href)
+            query = compat_urlparse.parse_qs(parsed_next_href.query)
+            query.update(COMMON_QUERY)
 
         return {
             '_type': 'playlist',
@@ -609,7 +619,7 @@ class SoundcloudUserIE(SoundcloudPagedPlaylistBaseIE):
         'url': 'https://soundcloud.com/jcv246/sets',
         'info_dict': {
             'id': '12982173',
-            'title': 'Jordi / cv (Playlists)',
+            'title': 'Jordi / cv (Sets)',
         },
         'playlist_mincount': 2,
     }, {
@@ -636,39 +646,29 @@ class SoundcloudUserIE(SoundcloudPagedPlaylistBaseIE):
     }]
 
     _BASE_URL_MAP = {
-        'all': '%s/stream/users/%%s' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE,
-        'tracks': '%s/users/%%s/tracks' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE,
-        'albums': '%s/users/%%s/albums' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE,
-        'sets': '%s/users/%%s/playlists' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE,
-        'reposts': '%s/stream/users/%%s/reposts' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE,
-        'likes': '%s/users/%%s/likes' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE,
-        'spotlight': '%s/users/%%s/spotlight' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE,
-    }
-
-    _TITLE_MAP = {
-        'all': 'All',
-        'tracks': 'Tracks',
-        'albums': 'Albums',
-        'sets': 'Playlists',
-        'reposts': 'Reposts',
-        'likes': 'Likes',
-        'spotlight': 'Spotlight',
+        'all': 'stream/users/%s',
+        'tracks': 'users/%s/tracks',
+        'albums': 'users/%s/albums',
+        'sets': 'users/%s/playlists',
+        'reposts': 'stream/users/%s/reposts',
+        'likes': 'users/%s/likes',
+        'spotlight': 'users/%s/spotlight',
     }
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         uploader = mobj.group('user')
 
-        url = 'https://soundcloud.com/%s/' % uploader
-        resolv_url = self._resolv_url(url)
         user = self._download_json(
-            resolv_url, uploader, 'Downloading user info')
+            self._resolv_url(self._BASE_URL + uploader),
+            uploader, 'Downloading user info')
 
         resource = mobj.group('rsrc') or 'all'
 
         return self._extract_playlist(
-            self._BASE_URL_MAP[resource] % user['id'], compat_str(user['id']),
-            '%s (%s)' % (user['username'], self._TITLE_MAP[resource]))
+            self._API_V2_BASE + self._BASE_URL_MAP[resource] % user['id'],
+            str_or_none(user.get('id')),
+            '%s (%s)' % (user['username'], resource.capitalize()))
 
 
 class SoundcloudTrackStationIE(SoundcloudPagedPlaylistBaseIE):
@@ -678,7 +678,7 @@ class SoundcloudTrackStationIE(SoundcloudPagedPlaylistBaseIE):
         'url': 'https://soundcloud.com/stations/track/officialsundial/your-text',
         'info_dict': {
             'id': '286017854',
-            'title': 'Track station: your-text',
+            'title': 'Track station: your text',
         },
         'playlist_mincount': 47,
     }]
@@ -686,19 +686,17 @@ class SoundcloudTrackStationIE(SoundcloudPagedPlaylistBaseIE):
     def _real_extract(self, url):
         track_name = self._match_id(url)
 
-        webpage = self._download_webpage(url, track_name)
-
+        track = self._download_json(self._resolv_url(url), track_name)
         track_id = self._search_regex(
-            r'soundcloud:track-stations:(\d+)', webpage, 'track id')
+            r'soundcloud:track-stations:(\d+)', track['id'], 'track id')
 
         return self._extract_playlist(
-            '%s/stations/soundcloud:track-stations:%s/tracks'
-            % (self._API_V2_BASE, track_id),
-            track_id, 'Track station: %s' % track_name)
+            self._API_V2_BASE + 'stations/%s/tracks' % track['id'],
+            track_id, 'Track station: %s' % track['title'])
 
 
 class SoundcloudPlaylistIE(SoundcloudPlaylistBaseIE):
-    _VALID_URL = r'https?://api\.soundcloud\.com/playlists/(?P<id>[0-9]+)(?:/?\?secret_token=(?P<token>[^&]+?))?$'
+    _VALID_URL = r'https?://api(?:-v2)?\.soundcloud\.com/playlists/(?P<id>[0-9]+)(?:/?\?secret_token=(?P<token>[^&]+?))?$'
     IE_NAME = 'soundcloud:playlist'
     _TESTS = [{
         'url': 'https://api.soundcloud.com/playlists/4110309',
@@ -713,29 +711,22 @@ class SoundcloudPlaylistIE(SoundcloudPlaylistBaseIE):
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         playlist_id = mobj.group('id')
-        base_url = '%s//api.soundcloud.com/playlists/%s.json?' % (self.http_scheme(), playlist_id)
 
-        data_dict = {
+        query = {
             'client_id': self._CLIENT_ID,
         }
         token = mobj.group('token')
-
         if token:
-            data_dict['secret_token'] = token
+            query['secret_token'] = token
 
-        data = compat_urllib_parse_urlencode(data_dict)
         data = self._download_json(
-            base_url + data, playlist_id, 'Downloading playlist')
+            self._API_V2_BASE + 'playlists/' + playlist_id,
+            playlist_id, 'Downloading playlist', query=query)
 
-        entries = self._extract_track_entries(data['tracks'])
+        entries = self._extract_track_entries(data['tracks'], token)
 
-        return {
-            '_type': 'playlist',
-            'id': playlist_id,
-            'title': data.get('title'),
-            'description': data.get('description'),
-            'entries': entries,
-        }
+        return self.playlist_result(
+            entries, playlist_id, data.get('title'), data.get('description'))
 
 
 class SoundcloudSearchIE(SearchInfoExtractor, SoundcloudIE):
@@ -753,18 +744,18 @@ class SoundcloudSearchIE(SearchInfoExtractor, SoundcloudIE):
     _SEARCH_KEY = 'scsearch'
     _MAX_RESULTS_PER_PAGE = 200
     _DEFAULT_RESULTS_PER_PAGE = 50
-    _API_V2_BASE = 'https://api-v2.soundcloud.com'
 
     def _get_collection(self, endpoint, collection_id, **query):
         limit = min(
             query.get('limit', self._DEFAULT_RESULTS_PER_PAGE),
             self._MAX_RESULTS_PER_PAGE)
-        query['limit'] = limit
-        query['client_id'] = self._CLIENT_ID
-        query['linked_partitioning'] = '1'
-        query['offset'] = 0
-        data = compat_urllib_parse_urlencode(query)
-        next_url = '{0}{1}?{2}'.format(self._API_V2_BASE, endpoint, data)
+        query.update({
+            'limit': limit,
+            'client_id': self._CLIENT_ID,
+            'linked_partitioning': 1,
+            'offset': 0,
+        })
+        next_url = update_url_query(self._API_V2_BASE + endpoint, query)
 
         collected_results = 0
 
@@ -791,5 +782,5 @@ class SoundcloudSearchIE(SearchInfoExtractor, SoundcloudIE):
                 break
 
     def _get_n_results(self, query, n):
-        tracks = self._get_collection('/search/tracks', query, limit=n, q=query)
+        tracks = self._get_collection('search/tracks', query, limit=n, q=query)
         return self.playlist_result(tracks, playlist_title=query)