
MediaSource can be reused with other Player instances after they have been released, so we need to set the PlayerId when preparing the source. Access can mostly be handled by the implementation in BaseMediaSource. PiperOrigin-RevId: 408878824
MediaSource can be reused with other Player instances after they have been released, so we need to set the PlayerId when preparing the source. Access can mostly be handled by the implementation in BaseMediaSource. PiperOrigin-RevId: 408878824