
In ConcatenatingMediaSource, the source may be removed before it started preparing (this may happen if lazyPreparation=true). In this case, we shouldn't call releaseSource as the preparation didn't start. Issue:#4986 ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=218141658
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.