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[extractor/common] Improved support for HTML5 subtitles
Ref: #10625 In a strict sense, <track>s with kind=captions are not subtitles. [1] openload misuses this attribute, and I guess there will be more examples, so I add it to common.py. Also allow extracting information for subtitles-only <video> or <audio> tags, which is the case of openload. [1] https://www.w3.org/TR/html5/embedded-content-0.html#attr-track-kind
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@ -1,3 +1,9 @@
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vesion <unreleased>
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Core
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+ Improved support for HTML5 subtitles
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version 2016.09.24
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Core
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@ -1828,7 +1828,7 @@ def _media_formats(src, cur_media_type):
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for track_tag in re.findall(r'<track[^>]+>', media_content):
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track_attributes = extract_attributes(track_tag)
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kind = track_attributes.get('kind')
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if not kind or kind == 'subtitles':
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if not kind or kind in ('subtitles', 'captions'):
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src = track_attributes.get('src')
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if not src:
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continue
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@ -1836,7 +1836,7 @@ def _media_formats(src, cur_media_type):
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media_info['subtitles'].setdefault(lang, []).append({
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'url': absolute_url(src),
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})
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if media_info['formats']:
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if media_info['formats'] or media_info['subtitles']:
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entries.append(media_info)
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return entries
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