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Re: onEnded and connections

From: Robert O'Callahan <robert@ocallahan.org>
Date: Thu, 5 Sep 2013 11:52:01 +1200
Message-ID: <CAOp6jLZwEkUshyMfHcc-6tbxOfDkVX73+yor-SYBhnYK5yf=Zw@mail.gmail.com>
To: Raymond Toy <rtoy@google.com>
Cc: Chris Wilson <cwilso@google.com>, "public-audio@w3.org" <public-audio@w3.org>
On Thu, Sep 5, 2013 at 11:45 AM, Raymond Toy <rtoy@google.com> wrote:

> On Wed, Sep 4, 2013 at 3:03 PM, Robert O'Callahan <robert@ocallahan.org>wrote:
>
>> On Thu, Sep 5, 2013 at 9:44 AM, Chris Wilson <cwilso@google.com> wrote:
>>
>>> Say you have a source node and set up an event handler for onended.
>>>  Does the event handler fire if the buffer is not actually connected to
>>> anything?
>>>
>> If the source is never connected to anything and it is GCed, onended
>>> should not be called, right?
>>>
>>
>> Whether ended is fired must definitely not depend on when GC happens. GC
>> timing causing observable behavior changes is anathema.
>>
>> The answer to your first question is less clear. The question itself is
>> also ambiguous: do you mean "not directly connected to an output" or "not
>> indirectly connected to a DestinationNode or MediaStreamAudioSourceNode"?
>> You'd also have to resolve *when* exactly the graph
>>
>
> I was asking Chris this question.  I was thinking the node was not
> directly or indirectly connected to the destination node.
>
>
>>  connectivity check is performed. In any case, the simplest API is to
>> fire the event no matter what, and that's what Gecko does.
>>
>
> So basically, as long as you call start(...), the event is fired when it
> is ends, no matter if the node is completely disconnected from destination
> or not.
>

Yes. I don't see any good reason to adopt a more complex behavior.

Rob
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Received on Wednesday, 4 September 2013 23:52:28 UTC

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