[adn] fix extraction and add support for positioning styles(closes #20549)

youtube_dl/extractor/adn.py

@@ -21,7 +21,6 @@ from ..utils import (
     intlist_to_bytes,
     long_to_bytes,
     pkcs1pad,
-    srt_subtitles_timecode,
     strip_or_none,
     urljoin,
 )
@@ -42,6 +41,18 @@ class ADNIE(InfoExtractor):
     }
     _BASE_URL = 'http://animedigitalnetwork.fr'
     _RSA_KEY = (0xc35ae1e4356b65a73b551493da94b8cb443491c0aa092a357a5aee57ffc14dda85326f42d716e539a34542a0d3f363adf16c5ec222d713d5997194030ee2e4f0d1fb328c01a81cf6868c090d50de8e169c6b13d1675b9eeed1cbc51e1fffca9b38af07f37abd790924cd3bee59d0257cfda4fe5f3f0534877e21ce5821447d1b, 65537)
+    _POS_ALIGN_MAP = {
+        'start': 1,
+        'end': 3,
+    }
+    _LINE_ALIGN_MAP = {
+        'middle': 8,
+        'end': 4,
+    }
+
+    @staticmethod
+    def _ass_subtitles_timecode(seconds):
+        return '%01d:%02d:%02d.%02d' % (seconds / 3600, (seconds % 3600) / 60, seconds % 60, (seconds % 1) * 100)
 
     def _get_subtitles(self, sub_path, video_id):
         if not sub_path:
@@ -49,14 +60,14 @@ class ADNIE(InfoExtractor):
 
         enc_subtitles = self._download_webpage(
             urljoin(self._BASE_URL, sub_path),
-            video_id, fatal=False)
+            video_id, 'Downloading subtitles data', fatal=False)
         if not enc_subtitles:
             return None
 
         # http://animedigitalnetwork.fr/components/com_vodvideo/videojs/adn-vjs.min.js
         dec_subtitles = intlist_to_bytes(aes_cbc_decrypt(
             bytes_to_intlist(compat_b64decode(enc_subtitles[24:])),
-            bytes_to_intlist(binascii.unhexlify(self._K + '9032ad7083106400')),
+            bytes_to_intlist(binascii.unhexlify(self._K + '083db5aebd9353b4')),
             bytes_to_intlist(compat_b64decode(enc_subtitles[:24]))
         ))
         subtitles_json = self._parse_json(
@@ -67,23 +78,27 @@ class ADNIE(InfoExtractor):
 
         subtitles = {}
         for sub_lang, sub in subtitles_json.items():
-            srt = ''
-            for num, current in enumerate(sub):
-                start, end, text = (
+            ssa = '''[Script Info]
+ScriptType:V4.00
+[V4 Styles]
+Format:Name,Fontname,Fontsize,PrimaryColour,Bold,BorderStyle,Outline,Alignment,MarginL,MarginR,MarginV
+Style:Default,Arial,18,16777215,-1,1,1,2,20,20,20
+[Events]
+Format:Marked,Start,End,Style,Text'''
+            for current in sub:
+                start, end, text, line_align, position_align = (
                     float_or_none(current.get('startTime')),
                     float_or_none(current.get('endTime')),
-                    current.get('text'))
+                    current.get('text'), current.get('lineAlign'),
+                    current.get('positionAlign'))
                 if start is None or end is None or text is None:
                     continue
-                srt += os.linesep.join(
-                    (
-                        '%d' % num,
-                        '%s --> %s' % (
-                            srt_subtitles_timecode(start),
-                            srt_subtitles_timecode(end)),
-                        text,
-                        os.linesep,
-                    ))
+                alignment = self._POS_ALIGN_MAP.get(position_align, 2) + self._LINE_ALIGN_MAP.get(line_align, 0)
+                ssa += os.linesep + 'Dialogue:Marked=0,%s,%s,Default,%s%s' % (
+                    self._ass_subtitles_timecode(start),
+                    self._ass_subtitles_timecode(end),
+                    '{\\a%d}' % alignment if alignment != 2 else '',
+                    text.replace('\n', '\\N').replace('<i>', '{\\i1}').replace('</i>', '{\\i0}'))
 
             if sub_lang == 'vostf':
                 sub_lang = 'fr'
@@ -91,8 +106,8 @@ class ADNIE(InfoExtractor):
                 'ext': 'json',
                 'data': json.dumps(sub),
             }, {
-                'ext': 'srt',
-                'data': srt,
+                'ext': 'ssa',
+                'data': ssa,
             }])
         return subtitles
 
@@ -100,7 +115,15 @@ class ADNIE(InfoExtractor):
         video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
         player_config = self._parse_json(self._search_regex(
-            r'playerConfig\s*=\s*({.+});', webpage, 'player config'), video_id)
+            r'playerConfig\s*=\s*({.+});', webpage,
+            'player config', default='{}'), video_id, fatal=False)
+        if not player_config:
+            config_url = urljoin(self._BASE_URL, self._search_regex(
+                r'(?:id="player"|class="[^"]*adn-player-container[^"]*")[^>]+data-url="([^"]+)"',
+                webpage, 'config url'))
+            player_config = self._download_json(
+                config_url, video_id,
+                'Downloading player config JSON metadata')['player']
 
         video_info = {}
         video_info_str = self._search_regex(
@@ -129,12 +152,15 @@ class ADNIE(InfoExtractor):
             encrypted_message = long_to_bytes(pow(bytes_to_long(padded_message), e, n))
             authorization = base64.b64encode(encrypted_message).decode()
             links_data = self._download_json(
-                urljoin(self._BASE_URL, links_url), video_id, headers={
+                urljoin(self._BASE_URL, links_url), video_id,
+                'Downloading links JSON metadata', headers={
                     'Authorization': 'Bearer ' + authorization,
                 })
             links = links_data.get('links') or {}
             metas = metas or links_data.get('meta') or {}
-            sub_path = (sub_path or links_data.get('subtitles')) + '&token=' + token
+            sub_path = sub_path or links_data.get('subtitles') or \
+                'index.php?option=com_vodapi&task=subtitles.getJSON&format=json&id=' + video_id
+            sub_path += '&token=' + token
             error = links_data.get('error')
         title = metas.get('title') or video_info['title']
 
@@ -142,9 +168,11 @@ class ADNIE(InfoExtractor):
         for format_id, qualities in links.items():
             if not isinstance(qualities, dict):
                 continue
-            for load_balancer_url in qualities.values():
+            for quality, load_balancer_url in qualities.items():
                 load_balancer_data = self._download_json(
-                    load_balancer_url, video_id, fatal=False) or {}
+                    load_balancer_url, video_id,
+                    'Downloading %s %s JSON metadata' % (format_id, quality),
+                    fatal=False) or {}
                 m3u8_url = load_balancer_data.get('location')
                 if not m3u8_url:
                     continue