[S4C] Add extractor for Sianel Pedwar Cymru

* from yt-dlp/yt-dlp#7730, thx ifan-t, bashonly

youtube_dl/extractor/extractors.py

@@ -1087,6 +1087,7 @@
 from .rutv import RUTVIE
 from .ruutu import RuutuIE
 from .ruv import RuvIE
+from .s4c import S4CIE
 from .safari import (
     SafariIE,
     SafariApiIE,

youtube_dl/extractor/s4c.py

@@ -0,0 +1,76 @@
+# coding: utf-8
+
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import (
+    float_or_none,
+    merge_dicts,
+    T,
+    traverse_obj,
+    txt_or_none,
+)
+
+
+class S4CIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?s4c\.cymru/clic/programme/(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://www.s4c.cymru/clic/programme/861362209',
+        'info_dict': {
+            'id': '861362209',
+            'ext': 'mp4',
+            'title': 'Y Swn',
+            'description': 'md5:f7681a30e4955b250b3224aa9fe70cf0',
+            'duration': 5340
+        },
+    }, {
+        'url': 'https://www.s4c.cymru/clic/programme/856636948',
+        'info_dict': {
+            'id': '856636948',
+            'ext': 'mp4',
+            'title': 'Am Dro',
+            'duration': 2880,
+            'description': 'md5:100d8686fc9a632a0cb2db52a3433ffe',
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        details = self._download_json(
+            'https://www.s4c.cymru/df/full_prog_details',
+            video_id, query={
+                'lang': 'e',
+                'programme_id': video_id,
+            }, fatal=False)
+
+        filename = self._download_json(
+            'https://player-api.s4c-cdn.co.uk/player-configuration/prod', video_id, query={
+                'programme_id': video_id,
+                'signed': '0',
+                'lang': 'en',
+                'mode': 'od',
+                'appId': 'clic',
+                'streamName': '',
+            }, note='Downloading player config JSON')['filename']
+        m3u8_url = self._download_json(
+            'https://player-api.s4c-cdn.co.uk/streaming-urls/prod', video_id, query={
+                'mode': 'od',
+                'application': 'clic',
+                'region': 'WW',
+                'extra': 'false',
+                'thirdParty': 'false',
+                'filename': filename,
+            }, note='Downloading streaming urls JSON')['hls']
+        # ... self._extract_m3u8_formats_and_subtitles(m3u8_url, video_id, 'mp4', m3u8_id='hls')
+        formats, subtitles = self._extract_m3u8_formats(m3u8_url, video_id, 'mp4', m3u8_id='hls', entry_protocol='m3u8_native'), {}
+
+        return merge_dicts({
+            'id': video_id,
+            'formats': formats,
+            'subtitles': subtitles,
+        }, traverse_obj(details, ('full_prog_details', 0, {
+            'title': (('programme_title', 'series_title'), T(txt_or_none)),
+            'description': ('full_billing', T(txt_or_none)),
+            'duration': ('duration', T(lambda x: float_or_none(x, invscale=60))),
+        }), get_all=False),
+            rev=True)