AudioDestinationCocoa should stop hardcoding the number of output channels to 2 and instead use the AudioDestinationNode's number of output channels.
Created attachment 408735 [details] Patch
Committed r267036: <https://trac.webkit.org/changeset/267036> All reviewed patches have been landed. Closing bug and clearing flags on attachment 408735 [details].
<rdar://problem/68875001>