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Re: Audio Workers - please review

From: Robert O'Callahan <robert@ocallahan.org>
Date: Fri, 12 Sep 2014 15:01:58 +1200
Message-ID: <CAOp6jLbbQ70diPAzPhe065eZsn25tmQd4BdX0yBsmbyN-Y+HLQ@mail.gmail.com>
To: Ehsan Akhgari <ehsan@mozilla.com>
Cc: Chris Wilson <cwilso@google.com>, Norbert Schnell <Norbert.Schnell@ircam.fr>, Jussi Kalliokoski <jussi.kalliokoski@gmail.com>, "public-audio@w3.org" <public-audio@w3.org>
On Fri, Sep 12, 2014 at 4:33 AM, Ehsan Akhgari <ehsan@mozilla.com> wrote:

> On Thu, Sep 11, 2014 at 10:51 AM, Chris Wilson <cwilso@google.com> wrote:
>> I don't know how it is possible to do this, unless all WA changes are
>> batched up into a single postMessage.
> Yep, that would be how you'd implement it.  This is how sending all other
> arguments to the audio worker is currently implemented in Gecko, for
> example.  (Not sure about WebKit/Blink.)

Last I checked, Webkit/Blink doesn't do that.

I think implementations should be required to batch so changes within a
single HTML task take effect atomically, like Firefox does. This lets
authors make complex updates to the audio graph without glitching due to
the audio thread seeing an intermediate state.

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Received on Friday, 12 September 2014 03:02:25 UTC

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