451 handle chapters and blocked segments

[StaehliJ]

Pull request

Description

The goal of this PR is to introduce chapters and blocked intervals to Pillarbox. Every MediaItem have a PillarboxData with all the metadata needed.

PillarboxPlayer will seek immediately when it's playback position reach a BlockedInterval. Users can be notified when it happens through PillarboxPlayer.Listener.onBlockIntervalReached.

Changes made

• Add PillarboxPlayer.Listener.onBlockIntervalReached to be notified when PillarboxPlayer has seeked because of a BlockInterval.
• Add PillarboxPlayer.Listener.onCurrentChapterChanged to listen current Chapter changes during playback.
• Add an extension to fetch chapters Player.getCurrentChapters and Player.getChapterAtPosition
• Add extension to fetch blocked intervals Player.getCurrentBlockedIntervals and Player.getBlockedIntervalAtPosition.
• Update the demo to display the current chapter when the controls are visible.
• Update the demo to display any chapters changes when controls are not visible.
• Update the demo to display when a blocked interval has been reached.

Checklist

• Your branch has been rebased onto the main branch.
• APIs have been properly documented (if relevant).
• The documentation has been updated (if relevant).
• New unit tests have been written (if relevant).
• The demo has been updated (if relevant).
• All pull request status checks pass.

[github-actions]

Code Coverage

Overall Project	46.59% -1.1%	🟢
Files changed	57.56%	🟢

Module	Coverage
:pillarbox-core-business	85.02% -0.76%	🟢
:pillarbox-player	47.18% -1.73%	🟢
:pillarbox-ui	0% -0.69%	🟢

Files

Module	File	Coverage
:pillarbox-core-business	SRGAssetLoader.kt	87.04%	🟢
	Chapter.kt	54.42%	🟢
	Segment.kt	49.23% -50.77%	🟢
:pillarbox-player	Asset.kt	100%	🟢
	PillarboxSessionCommands.kt	100%	🟢
	MediaItem.kt	100%	🟢
	AnalyticsMediaItemTracker.kt	96.52%	🟢
	UrlAssetLoader.kt	92.41%	🟢
	PillarboxMediaSource.kt	90.94% -2.01%	🟢
	Player.kt	90.74%	🟢
	PlayerCallbackFlow.kt	78.03%	🟢
	PillarboxExoPlayer.kt	77.16% -0.56%	🟢
	PillarboxMediaController.kt	0% -4.95%	🟢
	PillarboxMediaSession.kt	0% -9.46%	🟢
	PillarboxPlayer.kt	0%	🟢
:pillarbox-ui	ComposablePlayer.kt	0% -3.82%	🟢