- From: Joe Berkovitz <joe@noteflight.com>
- Date: Mon, 22 Jun 2015 12:14:48 -0400
- To: Chris Wilson <cwilso@google.com>
- Cc: Paul Adenot <padenot@mozilla.com>, Audio Working Group <public-audio@w3.org>
- Message-ID: <CA+ojG-Ynca13Cd0DbKrM58nO9413A24EBQchBGqgRyjNkuYv-w@mail.gmail.com>
Understood. Maybe Paul will be able to pull together a more complete response to the current proposal, which will help us keep things moving. On Mon, Jun 22, 2015 at 11:29 AM, Chris Wilson <cwilso@google.com> wrote: > I sincerely doubt I can make that. I'm currently at a week-long summit > meeting, followed by a couple days of vacation, will likely still be > jetlagged at next telcon. > > > > On Mon, Jun 22, 2015 at 3:53 PM, Joe Berkovitz <joe@noteflight.com> wrote: > >> This is good dialogue -- it would be great if we could be at (or very >> close to) a more wrapped-up patch to the spec by the date of the next >> telcon. >> >> >> >> On Mon, Jun 22, 2015 at 10:25 AM, Paul Adenot <padenot@mozilla.com> >> wrote: >> >>> Oh I thought it was a spec issue, for the parse/compile off-main-thread >>> thing. I'm pretty sure Gecko and IE do off-main-thread parse and compile >>> already, so that might not be an issue. >>> >>> Last I checked, the Worker spec was quite explicit about >>> parsing/compiling script on the same thread as the worker. I'll ask >>> questions to make sure we're reading and understanding the right thing. >>> >>> Also yes, I'll try to think about a name. >>> >>> Paul. >>> >>> On Mon, Jun 22, 2015 at 12:00 AM, Chris Wilson <cwilso@google.com> >>> wrote: >>> >>>> 1) Yes, this isn't a Web Worker - at least, not per AudioWorker >>>> instance, they are more of an AudioGlobalScope. The entire audio thread >>>> for an AudioContext probably *IS* a WebWorker (or at least quite similar). >>>> If we want to call it something else, as per previous discussion, make a >>>> suggestion, I'm open. CustomAudioProcessor? >>>> >>>> 2) Yeah, I'd love to use the "native can load dynamic code without >>>> glitching" metric too. My guidance from Alex and V8 team was that although >>>> this (parsing/compile on a different thread) may happen in the future in a >>>> generic way, it simply isn't possible today in the JS environment. If/when >>>> it were to happen, one could implement AudioWorkers that work that way. >>>> >>>> On Sun, Jun 21, 2015 at 3:58 PM, Paul Adenot <padenot@mozilla.com> >>>> wrote: >>>> >>>>> >>>>> On Thu, Jun 18, 2015 at 9:06 PM, Joe Berkovitz <joe@noteflight.com> >>>>> wrote: >>>>> >>>>>> >>>>>> 4. AudioWorker Progress >>>>>> >>>>>> Chris has discussed issue #532 with Alex Russell of the TAG. No >>>>>> particular outcomes there but Chris has also found that there seems to be >>>>>> little prospect of having script loading and execution run in some thread >>>>>> other than the audio thread, meaning that loading up AudioWorkers will >>>>>> inevitably cause glitching as scripts are initialize. This is not a >>>>>> showstopper though: the feature is still incredibly useful and important; >>>>>> it just means that scripts should be loaded either as part of app >>>>>> initialization or while audio is quiescent. >>>>>> >>>>>> Need Paul's input on this, and determination of best way forward to >>>>>> create a reasonable definition of AudioWorker (perhaps still not a Worker, >>>>>> fundamentally) so pushed back on Needs WG Review. >>>>>> >>>>>> @padenot can you please chime on on this subject via email? >>>>>> >>>>> >>>>> >>>>> Yeah well I'm not happy about that. I'll be talking to some people >>>>> this week. Also, yes, this is not really a worker at this point. >>>>> >>>>> My current thinking is that native can load dynamic code without >>>>> glitching, so Web Audio API should be able to do the same. >>>>> >>>>> Paul. >>>>> >>>> >>>> >>> >> >> >> -- >> . . . . . ...Joe >> >> *Joe Berkovitz* >> President >> >> *Noteflight LLC* >> 49R Day Street / Somerville, MA 02144 / USA >> phone: +1 978 314 6271 >> www.noteflight.com >> "Your music, everywhere" >> > > -- . . . . . ...Joe *Joe Berkovitz* President *Noteflight LLC* 49R Day Street / Somerville, MA 02144 / USA phone: +1 978 314 6271 www.noteflight.com "Your music, everywhere"
Received on Monday, 22 June 2015 16:15:18 UTC