[Webkit-unassigned] [Bug 46834] Limit number of AudioNode deletions per render quantum in AudioContext

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=46834





--- Comment #6 from Chris Rogers <crogers at google.com>  2010-09-29 13:29:23 PST ---
(In reply to comment #4)
> >  many are deleted in the real-time audio thread
> 
> Isn't the right solution to ensure that these are not deleted on that thread, rather than implementing throttling?

Sometimes, they have to be deleted in the real-time audio thread because the garbage collection happens before the "note" has finished playing.  Later on, in the real-time thread the note finishes and there's no more chance to delete it in the main thread.  We could implement a callOnMainThread() type of thing, but I think this would introduce performance problems into the main thread.  I think we need the throttling (for the audio thread) but also try to delete the nodes at every opportunity we have in the main thread (such as in the connect(), disconnect(), and deref() methods.

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