diff --git a/yt_dlp/extractor/_extractors.py b/yt_dlp/extractor/_extractors.py
index 0f599c9db7..c411efb5aa 100644
--- a/yt_dlp/extractor/_extractors.py
+++ b/yt_dlp/extractor/_extractors.py
@@ -1928,6 +1928,10 @@ from .spreaker import (
 )
 from .springboardplatform import SpringboardPlatformIE
 from .sprout import SproutIE
+from .sproutvideo import (
+    SproutVideoIE,
+    VidsIoIE,
+)
 from .srgssr import (
     SRGSSRIE,
     SRGSSRPlayIE,
diff --git a/yt_dlp/extractor/patreon.py b/yt_dlp/extractor/patreon.py
index 26ca84ab34..5dc46e3171 100644
--- a/yt_dlp/extractor/patreon.py
+++ b/yt_dlp/extractor/patreon.py
@@ -2,6 +2,7 @@ import itertools
 import urllib.parse
 
 from .common import InfoExtractor
+from .sproutvideo import VidsIoIE
 from .vimeo import VimeoIE
 from ..networking.exceptions import HTTPError
 from ..utils import (
@@ -12,6 +13,7 @@ from ..utils import (
     int_or_none,
     mimetype2ext,
     parse_iso8601,
+    smuggle_url,
     str_or_none,
     traverse_obj,
     url_or_none,
@@ -305,22 +307,27 @@ class PatreonIE(PatreonBaseIE):
                     'channel_follower_count': ('attributes', 'patron_count', {int_or_none}),
                 }))
 
+        # all-lowercase 'referer' so we can smuggle it to Generic, SproutVideo, Vimeo
+        headers = {'referer': 'https://patreon.com/'}
+
         # handle Vimeo embeds
         if traverse_obj(attributes, ('embed', 'provider')) == 'Vimeo':
             v_url = urllib.parse.unquote(self._html_search_regex(
                 r'(https(?:%3A%2F%2F|://)player\.vimeo\.com.+app_id(?:=|%3D)+\d+)',
                 traverse_obj(attributes, ('embed', 'html', {str})), 'vimeo url', fatal=False) or '')
             if url_or_none(v_url) and self._request_webpage(
-                    v_url, video_id, 'Checking Vimeo embed URL',
-                    headers={'Referer': 'https://patreon.com/'},
-                    fatal=False, errnote=False):
+                    v_url, video_id, 'Checking Vimeo embed URL', headers=headers, fatal=False, errnote=False):
                 entries.append(self.url_result(
                     VimeoIE._smuggle_referrer(v_url, 'https://patreon.com/'),
                     VimeoIE, url_transparent=True))
 
         embed_url = traverse_obj(attributes, ('embed', 'url', {url_or_none}))
-        if embed_url and self._request_webpage(embed_url, video_id, 'Checking embed URL', fatal=False, errnote=False):
-            entries.append(self.url_result(embed_url))
+        if embed_url and (urlh := self._request_webpage(
+                embed_url, video_id, 'Checking embed URL', headers=headers,
+                fatal=False, errnote=False, expected_status=403)):
+            # Password-protected vids.io embeds return 403 errors w/o --video-password or session cookie
+            if urlh.status != 403 or VidsIoIE.suitable(embed_url):
+                entries.append(self.url_result(smuggle_url(embed_url, headers)))
 
         post_file = traverse_obj(attributes, ('post_file', {dict}))
         if post_file:
diff --git a/yt_dlp/extractor/sproutvideo.py b/yt_dlp/extractor/sproutvideo.py
new file mode 100644
index 0000000000..c0923594e5
--- /dev/null
+++ b/yt_dlp/extractor/sproutvideo.py
@@ -0,0 +1,198 @@
+import base64
+import urllib.parse
+
+from .common import InfoExtractor
+from ..networking.exceptions import HTTPError
+from ..utils import (
+    ExtractorError,
+    int_or_none,
+    qualities,
+    remove_start,
+    smuggle_url,
+    unsmuggle_url,
+    update_url_query,
+    url_or_none,
+    urlencode_postdata,
+)
+from ..utils.traversal import traverse_obj
+
+
+class SproutVideoIE(InfoExtractor):
+    _NO_SCHEME_RE = r'//videos\.sproutvideo\.com/embed/(?P<id>[\da-f]+)/[\da-f]+'
+    _VALID_URL = rf'https?:{_NO_SCHEME_RE}'
+    _EMBED_REGEX = [rf'<iframe [^>]*\bsrc=["\'](?P<url>(?:https?:)?{_NO_SCHEME_RE}[^"\']*)["\']']
+    _TESTS = [{
+        'url': 'https://videos.sproutvideo.com/embed/4c9dddb01910e3c9c4/0fc24387c4f24ee3',
+        'md5': '1343ce1a6cb39d67889bfa07c7b02b0e',
+        'info_dict': {
+            'id': '4c9dddb01910e3c9c4',
+            'ext': 'mp4',
+            'title': 'Adrien Labaeye : Berlin, des communautés aux communs',
+            'duration': 576,
+            'thumbnail': r're:https?://images\.sproutvideo\.com/.+\.jpg',
+        },
+    }, {
+        'url': 'https://videos.sproutvideo.com/embed/a79fdcb21f1be2c62e/93bf31e41e39ca27',
+        'md5': 'cebae5cf558cca83271917cf4ec03f26',
+        'info_dict': {
+            'id': 'a79fdcb21f1be2c62e',
+            'ext': 'mp4',
+            'title': 'HS_01_Live Stream 2023-01-14 10:00',
+            'duration': 703,
+            'thumbnail': r're:https?://images\.sproutvideo\.com/.+\.jpg',
+        },
+    }, {
+        # http formats 'sd' and 'hd' are available
+        'url': 'https://videos.sproutvideo.com/embed/119cd6bc1a18e6cd98/30751a1761ae5b90',
+        'md5': 'f368c78df07e78a749508b221528672c',
+        'info_dict': {
+            'id': '119cd6bc1a18e6cd98',
+            'ext': 'mp4',
+            'title': '3. Updating your Partner details',
+            'thumbnail': r're:https?://images\.sproutvideo\.com/.+\.jpg',
+            'duration': 60,
+        },
+        'params': {'format': 'hd'},
+    }, {
+        # subtitles
+        'url': 'https://videos.sproutvideo.com/embed/119dd8ba121ee0cc98/4ee50c88a343215d?type=hd',
+        'md5': '7f6798f037d7a3e3e07e67959de68fc6',
+        'info_dict': {
+            'id': '119dd8ba121ee0cc98',
+            'ext': 'mp4',
+            'title': 'Recipients Setup - Domestic Wire Only',
+            'thumbnail': r're:https?://images\.sproutvideo\.com/.+\.jpg',
+            'duration': 77,
+            'subtitles': {'en': 'count:1'},
+        },
+    }]
+    _WEBPAGE_TESTS = [{
+        'url': 'https://www.solidarum.org/vivre-ensemble/adrien-labaeye-berlin-des-communautes-aux-communs',
+        'info_dict': {
+            'id': '4c9dddb01910e3c9c4',
+            'ext': 'mp4',
+            'title': 'Adrien Labaeye : Berlin, des communautés aux communs',
+            'duration': 576,
+            'thumbnail': r're:https?://images\.sproutvideo\.com/.+\.jpg',
+        },
+    }]
+    _M3U8_URL_TMPL = 'https://{base}.videos.sproutvideo.com/{s3_user_hash}/{s3_video_hash}/video/index.m3u8'
+    _QUALITIES = ('hd', 'uhd', 'source')  # Exclude 'sd' to prioritize hls formats above it
+
+    @staticmethod
+    def _policy_to_qs(policy, signature_key, as_string=False):
+        query = {}
+        for key, value in policy['signatures'][signature_key].items():
+            query[remove_start(key, 'CloudFront-')] = value
+        query['sessionID'] = policy['sessionID']
+        return urllib.parse.urlencode(query, doseq=True) if as_string else query
+
+    @classmethod
+    def _extract_embed_urls(cls, url, webpage):
+        for embed_url in super()._extract_embed_urls(url, webpage):
+            if embed_url.startswith('//'):
+                embed_url = f'https:{embed_url}'
+            yield smuggle_url(embed_url, {'referer': url})
+
+    def _real_extract(self, url):
+        url, smuggled_data = unsmuggle_url(url, {})
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(
+            url, video_id, headers=traverse_obj(smuggled_data, {'Referer': 'referer'}))
+        data = self._search_json(
+            r'var\s+dat\s*=\s*["\']', webpage, 'data', video_id, contains_pattern=r'[A-Za-z0-9+/=]+',
+            end_pattern=r'["\'];', transform_source=lambda x: base64.b64decode(x).decode())
+
+        formats, subtitles = [], {}
+        headers = {
+            'Accept': '*/*',
+            'Origin': 'https://videos.sproutvideo.com',
+            'Referer': url,
+        }
+
+        # HLS extraction is fatal; only attempt it if the JSON data says it's available
+        if traverse_obj(data, 'hls'):
+            manifest_query = self._policy_to_qs(data, 'm')
+            fragment_query = self._policy_to_qs(data, 't', as_string=True)
+            key_query = self._policy_to_qs(data, 'k', as_string=True)
+
+            formats.extend(self._extract_m3u8_formats(
+                self._M3U8_URL_TMPL.format(**data), video_id, 'mp4',
+                m3u8_id='hls', headers=headers, query=manifest_query))
+            for fmt in formats:
+                fmt.update({
+                    'url': update_url_query(fmt['url'], manifest_query),
+                    'extra_param_to_segment_url': fragment_query,
+                    'extra_param_to_key_url': key_query,
+                })
+
+        if downloads := traverse_obj(data, ('downloads', {dict.items}, lambda _, v: url_or_none(v[1]))):
+            quality = qualities(self._QUALITIES)
+            acodec = 'none' if data.get('has_audio') is False else None
+            formats.extend([{
+                'format_id': str(format_id),
+                'url': format_url,
+                'ext': 'mp4',
+                'quality': quality(format_id),
+                'acodec': acodec,
+            } for format_id, format_url in downloads])
+
+        for sub_data in traverse_obj(data, ('subtitleData', lambda _, v: url_or_none(v['src']))):
+            subtitles.setdefault(sub_data.get('srclang', 'en'), []).append({
+                'url': sub_data['src'],
+            })
+
+        return {
+            'id': video_id,
+            'formats': formats,
+            'subtitles': subtitles,
+            'http_headers': headers,
+            **traverse_obj(data, {
+                'title': ('title', {str}),
+                'duration': ('duration', {int_or_none}),
+                'thumbnail': ('posterframe_url', {url_or_none}),
+            }),
+        }
+
+
+class VidsIoIE(InfoExtractor):
+    IE_NAME = 'vids.io'
+    _VALID_URL = r'https?://[\w-]+\.vids\.io/videos/(?P<id>[\da-f]+)/(?P<display_id>[\w-]+)'
+    _TESTS = [{
+        'url': 'https://how-to-video.vids.io/videos/799cd8b11c10efc1f0/how-to-video-live-streaming',
+        'md5': '9bbbb2c0c0739eb163b80f87b8d77c9e',
+        'info_dict': {
+            'id': '799cd8b11c10efc1f0',
+            'ext': 'mp4',
+            'title': 'How to Video: Live Streaming',
+            'duration': 2787,
+            'thumbnail': r're:https?://images\.sproutvideo\.com/.+\.jpg',
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id, display_id = self._match_valid_url(url).group('id', 'display_id')
+        webpage, urlh = self._download_webpage_handle(url, display_id, expected_status=403)
+
+        if urlh.status == 403:
+            password = self.get_param('videopassword')
+            if not password:
+                raise ExtractorError(
+                    'This video is password-protected; use the --video-password option', expected=True)
+            try:
+                webpage = self._download_webpage(
+                    url, display_id, 'Submitting video password',
+                    data=urlencode_postdata({
+                        'password': password,
+                        **self._hidden_inputs(webpage),
+                    }))
+                # Requests with user's session cookie `_sproutvideo_session` are now authorized
+            except ExtractorError as e:
+                if isinstance(e.cause, HTTPError) and e.cause.status == 403:
+                    raise ExtractorError('Incorrect password', expected=True)
+                raise
+
+        if embed_url := next(SproutVideoIE._extract_embed_urls(url, webpage), None):
+            return self.url_result(embed_url, SproutVideoIE, video_id)
+
+        raise ExtractorError('Unable to extract any SproutVideo embed url')