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Xavier Laffargue 16a2462dd8 fix: HLS - remove CLOSED-CAPTIONS from EXT-X-I-FRAME-STREAM-INF (#1551)
This PR removes the CLOSED-CAPTIONS attribute (and a few others) from
the EXT-X-I-FRAME-STREAM-INF tag in the HLS master playlist.

According to the HLS RFC (Section 4.4.6.3), the CLOSED-CAPTIONS
attribute is not defined for EXT-X-I-FRAME-STREAM-INF tags. Including it
causes non-compliance and may result in playback issues on strictly
compliant players.

References
[RFC 8216 Section
4.4.6.3](https://datatracker.ietf.org/doc/html/draft-pantos-hls-rfc8216bis-16#section-4.4.6.3)

Affected version : >= 2.5

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Co-authored-by: Xavier Laffargue <xavier.laffargue@radio-canada.ca>
2026-03-12 16:10:57 -07:00
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