Re: ScriptProccessor events are stopping atfer a short while

On Tue, Mar 19, 2013 at 12:33 PM, Jussi Kalliokoski <
jussi.kalliokoski@gmail.com> wrote:

> The bug against Chromium can be found here:
> https://code.google.com/p/chromium/issues/detail?id=82795
>
> Actually this reminds me... Is this actually a bug by the spec? I don't
> think the current spec has any special rules for the ScriptProcessorNode
> GC, so following the AudioNode garbage collection information in the spec,
> it looks like ScriptProcessorNodes shouldn't be kept around if there aren't
> any references to them. This has been a major source of confusion and I
> think we should change this, and in general we should treat
> ScriptProcessorNodes that have zero inputs as the sources that they are,
> and a zero-input ScriptProcessorNode should be kept from garbage collection
> as long as it's connected directly or indirectly to an active sink.
>

Jussi, it's not the node itself which is getting garbage collected, but the
EventListener...


>
> Cheers,
> Jussi
>
> On Tue, Mar 19, 2013 at 3:51 PM, Srikumar Subramanian <
> srikumarks@gmail.com> wrote:
>
>> This is a long standing bug in the webkit implementation with a known
>> workaround. If you keep around a *global* reference (in the window object
>> itself) to either the onaudioprocess function or the script processor node
>> itself, the arbitrary stopping won't happen.
>>
>> Best,
>> -Kumar
>>
>> On 19-Mar-2013, at 4:40 PM, Peter van der Noord <peterdunord@gmail.com>
>> wrote:
>>
>> I may be doing something wrong here, it's been a while since i created a
>> script-processor node, but my event-handler for a scriptprocessor seems to
>> stop firing pretty quickly.
>>
>> Fiddle here: http://jsfiddle.net/7LZAJ/
>>
>> Strangely, the fiddle sometimes runs fine the first time, but when i
>> refresh after that it does what happens locally here as well: the
>> eventhandler does not get called anymore (and the remaining noisebuffer is
>> repeated). The writing of the noise into the buffer has nothing to do with
>> it, if my eventhandler only  logs something to the console it will just
>> stop shortly after starting (always after the same number of repetitions).
>>
>> Am i overlooking something?
>>
>>
>> Peter
>>
>>
>

Received on Tuesday, 19 March 2013 19:38:25 UTC