1 files changed, 122 insertions, 0 deletions
diff --git a/yt_dlp/extractor/streamcz.py b/yt_dlp/extractor/streamcz.py
new file mode 100644
index 0000000..c4537ba
--- /dev/null
+++ b/yt_dlp/extractor/streamcz.py
@@ -0,0 +1,122 @@
+import json
+
+from .common import InfoExtractor
+from ..utils import (
+    float_or_none,
+    int_or_none,
+    parse_codecs,
+    traverse_obj,
+    urljoin,
+)
+
+
+class StreamCZIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?(?:stream|televizeseznam)\.cz/[^?#]+/(?P<display_id>[^?#]+)-(?P<id>[0-9]+)'
+    _TESTS = [{
+        'url': 'https://www.televizeseznam.cz/video/lajna/buh-57953890',
+        'md5': '40c41ade1464a390a0b447e333df4239',
+        'info_dict': {
+            'id': '57953890',
+            'ext': 'mp4',
+            'title': 'Bůh',
+            'display_id': 'buh',
+            'description': 'md5:8f5f09b9b7bc67df910486cdd88f7165',
+            'duration': 1369.6,
+            'view_count': int,
+        }
+    }, {
+        'url': 'https://www.stream.cz/kdo-to-mluvi/kdo-to-mluvi-velke-odhaleni-prinasi-novy-porad-uz-od-25-srpna-64087937',
+        'md5': '41fd358000086a1ccdb068c77809b158',
+        'info_dict': {
+            'id': '64087937',
+            'ext': 'mp4',
+            'title': 'Kdo to mluví? Velké odhalení přináší nový pořad už od 25. srpna',
+            'display_id': 'kdo-to-mluvi-velke-odhaleni-prinasi-novy-porad-uz-od-25-srpna',
+            'description': 'md5:97a811000a6460266029d6c1c2ebcd59',
+            'duration': 50.2,
+            'view_count': int,
+        }
+    }, {
+        'url': 'https://www.stream.cz/tajemno/znicehonic-jim-skrz-strechu-prolitnul-zahadny-predmet-badatele-vse-objasnili-64147267',
+        'md5': '3ee4d0be040e8f4a543e67e509d55e3f',
+        'info_dict': {
+            'id': '64147267',
+            'ext': 'mp4',
+            'title': 'Zničehonic jim skrz střechu prolítnul záhadný předmět. Badatelé vše objasnili',
+            'display_id': 'znicehonic-jim-skrz-strechu-prolitnul-zahadny-predmet-badatele-vse-objasnili',
+            'description': 'md5:4b8ada6718d34bb011c4e04ca4bc19bf',
+            'duration': 442.84,
+            'view_count': int,
+        }
+    }]
+
+    def _extract_formats(self, spl_url, video):
+        for ext, pref, streams in (
+                ('ts', -1, traverse_obj(video, ('http_stream', 'qualities')) or {}),
+                ('mp4', 1, video.get('mp4') or {})):
+            for format_id, stream in streams.items():
+                if not stream.get('url'):
+                    continue
+                yield {
+                    'format_id': f'{format_id}-{ext}',
+                    'ext': ext,
+                    'source_preference': pref,
+                    'url': urljoin(spl_url, stream['url']),
+                    'tbr': float_or_none(stream.get('bandwidth'), scale=1000),
+                    'duration': float_or_none(stream.get('duration'), scale=1000),
+                    'width': traverse_obj(stream, ('resolution', 0)),
+                    'height': traverse_obj(stream, ('resolution', 1)) or int_or_none(format_id.replace('p', '')),
+                    **parse_codecs(stream.get('codec')),
+                }
+
+    def _real_extract(self, url):
+        display_id, video_id = self._match_valid_url(url).groups()
+
+        data = self._download_json(
+            'https://www.televizeseznam.cz/api/graphql', video_id, 'Downloading GraphQL result',
+            data=json.dumps({
+                'variables': {'urlName': video_id},
+                'query': '''
+                    query LoadEpisode($urlName : String){ episode(urlName: $urlName){ ...VideoDetailFragmentOnEpisode } }
+                    fragment VideoDetailFragmentOnEpisode on Episode {
+                        id
+                        spl
+                        urlName
+                        name
+                        perex
+                        duration
+                        views
+                    }'''
+            }).encode('utf-8'),
+            headers={'Content-Type': 'application/json;charset=UTF-8'}
+        )['data']['episode']
+
+        spl_url = data['spl'] + 'spl2,3'
+        metadata = self._download_json(spl_url, video_id, 'Downloading playlist')
+        if 'Location' in metadata and 'data' not in metadata:
+            spl_url = metadata['Location']
+            metadata = self._download_json(spl_url, video_id, 'Downloading redirected playlist')
+        video = metadata['data']
+
+        subtitles = {}
+        for subs in video.get('subtitles', {}).values():
+            if not subs.get('language'):
+                continue
+            for ext, sub_url in subs.get('urls').items():
+                subtitles.setdefault(subs['language'], []).append({
+                    'ext': ext,
+                    'url': urljoin(spl_url, sub_url)
+                })
+
+        formats = list(self._extract_formats(spl_url, video))
+
+        return {
+            'id': video_id,
+            'display_id': display_id,
+            'title': data.get('name'),
+            'description': data.get('perex'),
+            'duration': float_or_none(data.get('duration')),
+            'view_count': int_or_none(data.get('views')),
+            'formats': formats,
+            'subtitles': subtitles,
+        }