This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 123]

▼CCALayer
CVLCVideoLayer
▼CNSObject
CVLCAudio
CVLCDialogProvider
CVLCExtension
CVLCExtensionsManager
CVLCLibrary
CVLCMedia
CVLCMediaDiscoverer
CVLCMediaLibrary
CVLCMediaList
CVLCMediaListPlayer
▼CVLCMediaPlayer
CVLCStreamSession
CVLCMediaThumbnailer
CVLCPlaylistDataSource
CVLCStreamOutput
CVLCTime
▼C<NSObject>
C<VLCCustomDialogRendererProtocol>
C<VLCMediaDelegate>
▼CNSView
CVLCVideoView
C<VLCMediaListDelegate>
C<VLCMediaPlayerDelegate>
C<VLCMediaThumbnailerDelegate>
CVLCPlaylistDataSource(OutlineViewDataSource)
CVLCPlaylistDataSource(OutlineViewDataSourceDropping)