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build(deps-dev): bump postcss from 8.4.6 to 8.4.31 #2

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@dependabot dependabot bot commented on behalf of github Oct 8, 2023

Bumps postcss from 8.4.6 to 8.4.31.

Release notes

Sourced from postcss's releases.

8.4.31

8.4.30

8.4.29

8.4.28

  • Fixed Root.source.end for better source map (by @​romainmenke).
  • Fixed Result.root types when process() has no parser.

8.4.27

  • Fixed Container clone methods types.

8.4.26

  • Fixed clone methods types.

8.4.25

8.4.24

  • Fixed Plugin types.

8.4.23

  • Fixed warnings in TypeDoc.

8.4.22

8.4.21

8.4.20

  • Fixed source map generation for childless at-rules like @layer.

8.4.19

  • Fixed whitespace preserving after AST transformations (by @​romainmenke).

8.4.18

  • Fixed an error on absolute: true with empty sourceContent (by @​KingSora).

8.4.17

8.4.16

... (truncated)

Changelog

Sourced from postcss's changelog.

8.4.31

8.4.30

  • Improved source map performance (by Romain Menke).

8.4.29

  • Fixed Node#source.offset (by Ido Rosenthal).
  • Fixed docs (by Christian Oliff).

8.4.28

  • Fixed Root.source.end for better source map (by Romain Menke).
  • Fixed Result.root types when process() has no parser.

8.4.27

  • Fixed Container clone methods types.

8.4.26

  • Fixed clone methods types.

8.4.25

8.4.24

  • Fixed Plugin types.

8.4.23

  • Fixed warnings in TypeDoc.

8.4.22

  • Fixed TypeScript support with node16 (by Remco Haszing).

8.4.21

  • Fixed Input#error types (by Aleks Hudochenkov).

8.4.20

  • Fixed source map generation for childless at-rules like @layer.

8.4.19

  • Fixed whitespace preserving after AST transformations (by Romain Menke).

8.4.18

  • Fixed an error on absolute: true with empty sourceContent (by Rene Haas).

8.4.17

  • Fixed Node.before() unexpected behavior (by Romain Menke).
  • Added TOC to docs (by Mikhail Dedov).

8.4.16

... (truncated)

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Automatic rebases have been disabled on this pull request as it has been open for over 30 days.

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.6 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.6...8.4.31)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added the dependencies Pull requests that update a dependency file label Oct 8, 2023
sjhsieh pushed a commit that referenced this pull request Jun 11, 2024
…QUENCE (shaka-project#6378)

Fixes shaka-project#6377

When choosing to synchronize HLS streams using `EXT-X-MEDIA-SEQUENCE` instead of `EXT-X-PROGRAM-DATE-TIME` during LIVE playlist variant switches, Shaka unnecessarily drops 'old' segments and offsets the segment references of the new playlist so that the earliest reference represents media time `0`: https://github.com/shaka-project/shaka-player/blob/ea740ba2468f3b035d463ea9933aa7eeccf5c748/lib/hls/hls_parser.js#L610-L613

This is problematic, as the `StreamingEngine`'s media time used to download new segments is based off the latest segment references:
https://github.com/shaka-project/shaka-player/blob/ea740ba2468f3b035d463ea9933aa7eeccf5c748/lib/media/streaming_engine.js#L1248-L1250
https://github.com/shaka-project/shaka-player/blob/ea740ba2468f3b035d463ea9933aa7eeccf5c748/lib/media/streaming_engine.js#L1385

For example:

```
            Playlist download #1         
EXT-X-MEDIA-SEQUENCE       Media Time
           0                   0
           1                   6
           2                   12
           3                   18

           Playlist download #2 (what happens now)
EXT-X-MEDIA-SEQUENCE       Media Time
          6                   0
          7                   6
          8                   12
          9                   18

           Playlist download #2 (desired behavior)
EXT-X-MEDIA-SEQUENCE       Media Time
          6                   36
          7                   42
          8                   48
          9                   54

```

Without this fix, and given the above example, if Shaka tries to request the segment at `time=36`, it will fail because the media state only has segment references up to `time=18`. Until the manifests, 'catch up', the player freezes; this can be especially problematic when a large amount of time accumulates before a variant switch occurs.

This has been confirmed by Pluto TV to fix their freezing issues.
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