Felix S fd76a14259 [extractor/common, downloader/ism] Extract SSTR subtitle tracks
_parse_ism_formats was extended into _parse_ism_formats_and_subtitles;
all direct users were updated, though _extract_ism_formats was left
as a compatibility wrapper.

The SSTR downloader was also modified in order to prepare for muxing
subtitle streams, although no support for any subtitle codecs was
added in this commit.
2021-04-28 17:20:20 +05:30
..
2021-04-10 22:19:54 +05:30
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2021-04-28 17:19:23 +05:30
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