Repository: yt-dlp/yt-dlp
File: yt_dlp/extractor/hidive.py (Python)

Code before:

            for rendition_id, rendition in settings['renditions'].items():
                bitrates = rendition.get('bitrates')
                if not isinstance(bitrates, dict):
                    continue
                m3u8_url = url_or_none(bitrates.get('hls'))
                if not m3u8_url:
                    continue
                formats.extend(self._extract_m3u8_formats(
                    m3u8_url, video_id, 'mp4', entry_protocol='m3u8_native',
                    m3u8_id='%s-%s-%s-%s-hls' % (version, audio, extra, caption), fatal=False))
                cc_files = rendition.get('ccFiles')
                if not isinstance(cc_files, list):
                    continue
                for cc_file in cc_files:
                    if not isinstance(cc_file, list) or len(cc_file) < 3:
                        continue
                    # Use this in future when the subtitle code can handle taking the name into account.
                    # cc_lang = cc_file[0]
                    cc_name = cc_file[1].replace(' ', '-').lower()
                    cc_url = url_or_none(cc_file[2])
                    if not isinstance(cc_name, compat_str) or not cc_url:
                        continue
                    subtitles.setdefault(cc_name, []).append({
                        'url': cc_url,
                    })
        self._sort_formats(formats)

        season_number = int_or_none(self._search_regex(
            r's(\d+)', key, 'season number', default=None))
        episode_number = int_or_none(self._search_regex(
            r'e(\d+)', key, 'episode number', default=None))

        return {
            'id': video_id,
            'title': video_id,
            'subtitles': subtitles,
            'formats': formats,
            'series': title,
            'season_number': season_number,
            'episode_number': episode_number,
            'http_headers': {'Referer': url}
        }


Review comment (suggestion):
```suggestion
                for cc_file in cc_files:
                    cc_url = url_or_none(try_get(cc_file, lambda x: x[2]))
                    # name is used since we cant distinguish subs with same language code
                    cc_lang = try_get(cc_file, (lambda x: x[1].replace(' ', '-').lower(), lambda x: x[0]), str)
                    if cc_url and cc_lang:
                        subtitles.setdefault(cc_lang, []).append({'url': cc_url})
```

Code after:

            for rendition_id, rendition in settings['renditions'].items():
                m3u8_url = url_or_none(try_get(rendition, lambda x: x['bitrates']['hls']))
                if not m3u8_url:
                    continue
                frmt = self._extract_m3u8_formats(
                    m3u8_url, video_id, 'mp4', entry_protocol='m3u8_native',
                    m3u8_id='%s-%s-%s-%s' % (version, audio, extra, caption), fatal=False)
                for f in frmt:
                    f['language'] = audio
                formats.extend(frmt)

                for cc_file in rendition.get('ccFiles', []):
                    cc_url = url_or_none(try_get(cc_file, lambda x: x[2]))
                    # name is used since we cant distinguish subs with same language code
                    cc_lang = try_get(cc_file, (lambda x: x[1].replace(' ', '-').lower(), lambda x: x[0]), str)
                    if cc_url and cc_lang:
                        subtitles.setdefault(cc_lang, []).append({'url': cc_url})
        self._sort_formats(formats)

        season_number = int_or_none(self._search_regex(
            r's(\d+)', key, 'season number', default=None))
        episode_number = int_or_none(self._search_regex(
            r'e(\d+)', key, 'episode number', default=None))

        return {
            'id': video_id,
            'title': video_id,
            'subtitles': subtitles,
            'formats': formats,
            'series': title,
            'season_number': season_number,
            'episode_number': episode_number,
            'http_headers': {'Referer': url}
        }