* support external subtitles in local movie libraries
* code cleanup
* simplify subtitle updating
* skip external subtitles from media servers
* fix plex subtitles
* first pass at text subtitle support
* support text subtitles from movies, music videos and other videos
* fixes
* qsv fixes
* vaapi fixes
* update changelog
* initial work on maintaining playout state
* debugging wip
* fix refresh playout logic
* fix failing test
* more fixes
* update changelog
* comment out some debug logs
* comment out more logs
* wip
* fix songs again
* don't use lists of video and audio input files
* test concat command output
* move concat pipeline
* start to use ffmpeg state
* add ffmpeg state and audio state
* audio state is required
* attach input options directly to input files
* move filters to input files
* add watermark support
* generate blurhash for all local artwork
* use blurhash song background if available
* only write blur hash to disk once
* use multiple blur hashes
* update changelog
* fix song detail outline
* reset song metadata (artwork)
* rework hls segmenter to start more quickly
* don't use realtime encoding for hls until we're at least a minute ahead
* ugly but functional playlist filtering
* add explicit warning for zero/invalid duration media items
* set dateadded on plex media versions
* add media stream table
* save local media streams to db
* save plex media streams to db
* add preferred language settings (no validation)
* use preferred language if possible
* code cleanup
* proper language code validation
* force scan of all libraries to pull in media streams
* rework television media
* refactor poster saving
* television and movie views are working again
* remove dead code
* use paper styling for all cards
* add show poster, plot to seasons page
* remove missing shows; cleanup interfaces
* fix split show display (same show in different folders/sources)
* add placeholder "add to schedule" button
* no more duplicate television shows, even with the same show split across sources
* stop releasing CLI for now
* use season number as season placeholder
* add television shows to collections
* add television seasons to collections
* add television episodes to collections
* add movies to collections
* remove movies, shows, seasons, episodes from collections
* fix page width and menus
* fix buffer size defaults
* fix chronological episode ordering
* allow deleting media collections
* don't get stuck building a playout with an empty collection
* schedule editing and playouts work again
* minor cleanup
* remove dead code
* fix bugs with viewing movies as they are loading
* add scanner tests; support nested movie folders
* update collections docs
* rearrange order of schedule items
* add show and season to schedule
* delete schedules that use legacy collections, reset all posters
* move cleanup to new migration
* load fallback metadata when nfo fails; don't require metadata in ui
* update readme and screenshots