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[postprocessor/ffmpeg] Embed subtitles with non-standard language codes (refs #18765)
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@ -384,8 +384,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
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opts += ['-c:s', 'mov_text']
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for (i, lang) in enumerate(sub_langs):
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opts.extend(['-map', '%d:0' % (i + 1)])
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lang_code = ISO639Utils.short2long(lang)
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if lang_code is not None:
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lang_code = ISO639Utils.short2long(lang) or lang
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opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
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temp_filename = prepend_extension(filename, 'temp')
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