Bump @justinribeiro/lite-youtube from 0.9.0 to 0.9.1 in /build/javascript (#273)

* Commit updated Javascript packages

* Bump preact from 10.5.4 to 10.5.5 in /build/javascript (#265)

* Trying a new github workflow to install javascript packages

* Bump tailwindcss from 1.9.2 to 1.9.4 in /build/javascript (#266)

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss) from 1.9.2 to 1.9.4.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/compare/v1.9.2...v1.9.4)

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* Commit updated Javascript packages

* Bump preact from 10.5.4 to 10.5.5 in /build/javascript

Bumps [preact](https://github.com/preactjs/preact) from 10.5.4 to 10.5.5.
- [Release notes](https://github.com/preactjs/preact/releases)
- [Commits](https://github.com/preactjs/preact/compare/10.5.4...10.5.5)

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* Bump @justinribeiro/lite-youtube in /build/javascript

Bumps [@justinribeiro/lite-youtube](https://github.com/justinribeiro/lite-youtube) from 0.9.0 to 0.9.1.
- [Release notes](https://github.com/justinribeiro/lite-youtube/releases)
- [Commits](https://github.com/justinribeiro/lite-youtube/commits)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: Owncast <owncast@owncast.online>
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2020-10-20 15:15:56 -07:00
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# Glossary
**Playlist**: This is a representation of an HLS or DASH manifest.
**Media Playlist**: This is a manifest that represents a single rendition or media stream of the source.
**Master Playlist Controller**: This acts as the main controller for the playback engine. It interacts with the SegmentLoaders, PlaylistLoaders, PlaybackWatcher, etc.
**Playlist Loader**: This will request the source and load the master manifest. It is also instructed by the ABR algorithm to load a media playlist or wraps a media playlist if it is provided as the source. There are more details about the playlist loader [here](./arch.md).
**DASH Playlist Loader**: This will do as the PlaylistLoader does, but for DASH sources. It also handles DASH specific functionaltiy, such as refreshing the MPD according to the minimumRefreshPeriod and synchronizing to a server clock.
**Segment Loader**: This determines which segment should be loaded, requests it via the Media Segment Loader and passes the result to the Source Updater.
**Media Segment Loader**: This requests a given segment, decrypts the segment if necessary, and returns it to the Segment Loader.
**Source Updater**: This manages the browser's [SourceBuffers](https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer). It appends decrypted segment bytes provided by the Segment Loader to the corresponding Source Buffer.
**ABR(Adaptive Bitrate) Algorithm**: This concept is described more in detail [here](https://en.wikipedia.org/wiki/Adaptive_bitrate_streaming). Our chosen ABR algorithm is referenced by [selectPlaylist](../README.md#hlsselectplaylist) and is described more [here](./bitrate-switching.md).
**Playback Watcher**: This attemps to resolve common playback stalls caused by improper seeking, gaps in content and browser issues.
**Sync Controller**: This will attempt to create a mapping between the segment index and a display time on the player.