
Cue's UNSET and null values should be used when the source data doesn't specify *and* the spec doesn't provide a clear default. In the WebVTT case, the defaults are clear, so we use them explicitly. PiperOrigin-RevId: 277522899
ExoPlayer library
The ExoPlayer library is split into multiple modules. See ExoPlayer's top level README for more information about the available library modules and how to use them.