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[ie] Resolve `language` to ISO639-2 for ISM formats (#11359) 

Closes #11356
Authored by: bashonly
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bashonly 2024-10-26 18:02:21 +00:00 committed by GitHub
parent 6abef74232
commit 21cdcf03a2
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1 changed files with 6 additions and 1 deletions
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7
yt_dlp/extractor/common.py
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@ -47,6 +47,7 @@ from ..utils import (
FormatSorter,
GeoRestrictedError,
GeoUtils,
ISO639Utils,
LenientJSONDecoder,
Popen,
RegexNotFoundError,
@ -3071,7 +3072,11 @@ class InfoExtractor:
url_pattern = stream.attrib['Url']
stream_timescale = int_or_none(stream.get('TimeScale')) or timescale
stream_name = stream.get('Name')
stream_language = stream.get('Language', 'und')
# IsmFD expects ISO 639 Set 2 language codes (3-character length)
# See: https://github.com/yt-dlp/yt-dlp/issues/11356
stream_language = stream.get('Language') or 'und'
if len(stream_language) != 3:
stream_language = ISO639Utils.short2long(stream_language) or 'und'
for track in stream.findall('QualityLevel'):
KNOWN_TAGS = {'255': 'AACL', '65534': 'EC-3'}
fourcc = track.get('FourCC') or KNOWN_TAGS.get(track.get('AudioTag'))