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Re: Audio-ISSUE-31 (activeSourceCount): AudioContext.activeSourceCount [Web Audio API]

From: Philip Jägenstedt <philipj@opera.com>
Date: Fri, 01 Jun 2012 15:20:08 +0200
To: public-audio@w3.org, "Audio Working Group Issue Tracker" <sysbot+tracker@w3.org>
Message-ID: <op.we77buczsr6mfa@kirk>
On Tue, 15 May 2012 15:37:29 +0200, Audio Working Group Issue Tracker  
<sysbot+tracker@w3.org> wrote:

> Audio-ISSUE-31 (activeSourceCount): AudioContext.activeSourceCount [Web  
> Audio API]
>
> http://www.w3.org/2011/audio/track/issues/31
>
> Raised by: Philip Jägenstedt
> On product: Web Audio API
>
> https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#dfn-activeSourceCount
>
> "currently playing" is not sufficiently defined.
>
> Possibly, is it the number of AudioBufferSourceNodes with playbackState  
> == PLAYING_STATE. However, which AudioBufferSourceNodes? After creating  
> them, the spec doesn't define any association with the AudioContext, so  
> it's not clear how to count them.
>
> Seemingly, only AudioBufferSourceNodes are included in the count, but  
> given the name including Oscillator and MediaElementAudioSourceNode  
> ought to also be included, given that they also have playing states  
> (directly or indirectly).
>
> Finally, what is the use case for activeSourceCount? If it can be  
> dropped, the above issues become moot.

To be clear, our suggestion is to drop activeSourceCount, unless there are  
important use cases for it.

-- 
Philip Jägenstedt
Core Developer
Opera Software
Received on Friday, 1 June 2012 13:21:09 GMT

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