[extractor/rozhlas] Extract manifest formats (#6590)

Closes #6584
Authored by: bashonly

yt_dlp/extractor/rozhlas.py

@@ -1,5 +1,12 @@
 from .common import InfoExtractor
-from ..utils import extract_attributes, int_or_none, remove_start, traverse_obj
+from ..utils import (
+    extract_attributes,
+    int_or_none,
+    remove_start,
+    str_or_none,
+    traverse_obj,
+    url_or_none,
+)
 
 
 class RozhlasIE(InfoExtractor):
@@ -50,7 +57,7 @@ class RozhlasVltavaIE(InfoExtractor):
         'url': 'https://wave.rozhlas.cz/papej-masicko-porcujeme-a-bilancujeme-filmy-a-serialy-ktere-letos-zabily-8891337',
         'md5': 'ba2fdbc1242fc16771c7695d271ec355',
         'info_dict': {
-            'id': 8891337,
+            'id': '8891337',
             'title': 'md5:21f99739d04ab49d8c189ec711eef4ec',
         },
         'playlist_count': 1,
@@ -69,7 +76,7 @@ class RozhlasVltavaIE(InfoExtractor):
     }, {
         'url': 'https://wave.rozhlas.cz/poslechnete-si-neklid-podcastovy-thriller-o-vine-strachu-a-vztahu-ktery-zasel-8554744',
         'info_dict': {
-            'id': 8554744,
+            'id': '8554744',
             'title': 'Poslechněte si Neklid. Podcastový thriller o vině, strachu a vztahu, který zašel příliš daleko',
         },
         'playlist_count': 5,
@@ -139,27 +146,62 @@ class RozhlasVltavaIE(InfoExtractor):
                 'chapter_number': 5,
             },
         }]
+    }, {
+        'url': 'https://dvojka.rozhlas.cz/karel-siktanc-cerny-jezdec-bily-kun-napinava-pohadka-o-tajemnem-prizraku-8946969',
+        'info_dict': {
+            'id': '8946969',
+            'title': 'Karel Šiktanc: Černý jezdec, bílý kůň. Napínavá pohádka o tajemném přízraku',
+        },
+        'playlist_count': 1,
+        'playlist': [{
+            'info_dict': {
+                'id': '10631121',
+                'ext': 'm4a',
+                'title': 'Karel Šiktanc: Černý jezdec, bílý kůň. Napínavá pohádka o tajemném přízraku',
+                'description': 'Karel Šiktanc: Černý jezdec, bílý kůň',
+                'duration': 2656,
+                'artist': 'Tvůrčí skupina Drama a literatura',
+                'channel_id': 'dvojka',
+            },
+        }],
+        'params': {'skip_download': 'dash'},
     }]
 
     def _extract_video(self, entry):
-        chapter_number = int_or_none(traverse_obj(entry, ('meta', 'ga', 'contentSerialPart')))
+        formats = []
+        audio_id = entry['meta']['ga']['contentId']
+        for audio in traverse_obj(entry, ('audioLinks', lambda _, v: url_or_none(v['url']))):
+            ext = audio.get('variant')
+            if ext == 'dash':
+                formats.extend(self._extract_mpd_formats(
+                    audio['url'], audio_id, mpd_id=ext, fatal=False))
+            elif ext == 'hls':
+                formats.extend(self._extract_m3u8_formats(
+                    audio['url'], audio_id, 'm4a', m3u8_id=ext, fatal=False))
+            else:
+                formats.append({
+                    'url': audio['url'],
+                    'ext': ext,
+                    'format_id': ext,
+                    'abr': int_or_none(audio.get('bitrate')),
+                    'acodec': ext,
+                    'vcodec': 'none',
+                })
+
+        chapter_number = traverse_obj(entry, ('meta', 'ga', 'contentSerialPart', {int_or_none}))
+
         return {
-            'id': entry['meta']['ga']['contentId'],
-            'title': traverse_obj(entry, ('meta', 'ga', 'contentName')),
-            'description': entry.get('title'),
-            'duration': entry.get('duration'),
-            'artist': traverse_obj(entry, ('meta', 'ga', 'contentAuthor')),
-            'channel_id': traverse_obj(entry, ('meta', 'ga', 'contentCreator')),
+            'id': audio_id,
             'chapter': traverse_obj(entry, ('meta', 'ga', 'contentNameShort')) if chapter_number else None,
             'chapter_number': chapter_number,
-            'formats': [{
-                'url': audio_link['url'],
-                'ext': audio_link.get('variant'),
-                'format_id': audio_link.get('variant'),
-                'abr': audio_link.get('bitrate'),
-                'acodec': audio_link.get('variant'),
-                'vcodec': 'none',
-            } for audio_link in entry['audioLinks']],
+            'formats': formats,
+            **traverse_obj(entry, {
+                'title': ('meta', 'ga', 'contentName'),
+                'description': 'title',
+                'duration': ('duration', {int_or_none}),
+                'artist': ('meta', 'ga', 'contentAuthor'),
+                'channel_id': ('meta', 'ga', 'contentCreator'),
+            })
         }
 
     def _real_extract(self, url):
@@ -173,7 +215,7 @@ class RozhlasVltavaIE(InfoExtractor):
 
         return {
             '_type': 'playlist',
-            'id': data.get('embedId'),
+            'id': str_or_none(data.get('embedId')) or video_id,
             'title': traverse_obj(data, ('series', 'title')),
             'entries': map(self._extract_video, data['playlist']),
         }