Support for timed-metadata in HLS streams

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
c
Domain
cli

Research direction

No files or tests are named. Start by reviewing the HLS timed-metadata and ID3/emsg references and comparing the linked sample stream with mpv's current metadata output. Done means the currently playing artist/title and supported ID3 metadata are exposed for HLS streams.

Written by the indexing model from the issue text.

Description

meta:feature-request
Expected behavior of the wanted feature

It would be wonderful to have currently playing title support, ideally full ID3 metadata, for HLS streams
For example:
https://hls.somafm.com/hls/groovesalad/320k/program.m3u8
mpv currently shows no meaningful metadata beyond basic encoder info
The StreamS reference decoder shows current artist/title info
https://somafm.com/hls/gsplayer.html?320k

It seems ffplay doesn't handle this correctly, so this points again towards HLS needing more love

more info on the standard:
https://www.indexcom.com/wp-content/docs/Standards-Based%20HLS%20Audio%20Metadata%20-%20Parsing%20and%20Displaying.pdf
and specific info on the 'emsg' ID3 tag usage:
https://aomediacodec.github.io/id3-emsg/

Alternative behavior of the wanted feature

No response

Log File

No response

Sample Files

No response

Dominant language
C
Stars
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Forks
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Avg merge
1d 10h
Merged PRs (30d)
22

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