AudioBufferSourceNode should update grain parameters when buffer is set after rendering has started.
Created attachment 409330 [details] Patch
Committed r267386: <https://trac.webkit.org/changeset/267386> All reviewed patches have been landed. Closing bug and clearing flags on attachment 409330 [details].
<rdar://problem/69337845>
Reopening to attach new patch.
Created attachment 409335 [details] Patch
Reopened by mistake.