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[downloader/ism] Support ec-3 codec (#5004)

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Closes #296
Authored by: nixxo
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nixxo 2022-09-30 19:33:29 +02:00 • committed by GitHub
commit 81b6102d20
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5 changed files with 293 additions and 3 deletions
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yt_dlp/extractor/common.py
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@ -3124,9 +3124,10 @@ class InfoExtractor:
stream_name = stream.get('Name')
stream_language = stream.get('Language', 'und')
for track in stream.findall('QualityLevel'):
fourcc = track.get('FourCC') or ('AACL' if track.get('AudioTag') == '255' else None)
KNOWN_TAGS = {'255': 'AACL', '65534': 'EC-3'}
fourcc = track.get('FourCC') or KNOWN_TAGS.get(track.get('AudioTag'))
# TODO: add support for WVC1 and WMAP
if fourcc not in ('H264', 'AVC1', 'AACL', 'TTML'):
if fourcc not in ('H264', 'AVC1', 'AACL', 'TTML', 'EC-3'):
self.report_warning('%s is not a supported codec' % fourcc)
continue
tbr = int(track.attrib['Bitrate']) // 1000