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[youtube] Prefer DASH formats (closes #28070)
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@ -1549,16 +1549,22 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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if self._downloader.params.get('youtube_include_dash_manifest'):
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dash_manifest_url = streaming_data.get('dashManifestUrl')
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if dash_manifest_url:
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dash_formats = []
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for f in self._extract_mpd_formats(
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dash_manifest_url, video_id, fatal=False):
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if f['format_id'] in itags:
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continue
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filesize = int_or_none(self._search_regex(
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r'/clen/(\d+)', f.get('fragment_base_url')
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or f['url'], 'file size', default=None))
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if filesize:
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f['filesize'] = filesize
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formats.append(f)
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dash_formats.append(f)
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# Until further investigation prefer DASH formats as non-DASH
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# may not be available (see [1])
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# 1. https://github.com/ytdl-org/youtube-dl/issues/28070
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if dash_formats:
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dash_formats_keys = [f['format_id'] for f in dash_formats]
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formats = [f for f in formats if f['format_id'] not in dash_formats_keys]
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formats.extend(dash_formats)
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if not formats:
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if streaming_data.get('licenseInfos'):
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