[whatwg] Timing API proposal for measuring intervals

Glenn Maynard glenn at zewt.org
Mon Jul 11 19:41:47 PDT 2011


On Mon, Jul 11, 2011 at 10:35 PM, Robert O'Callahan <robert at ocallahan.org>wrote:

> On Tue, Jul 12, 2011 at 1:02 PM, Glenn Maynard <glenn at zewt.org> wrote:
>
>> On Mon, Jul 11, 2011 at 8:57 PM, Robert O'Callahan <robert at ocallahan.org>wrote:
>>
>>> Suppose we wanted to sync animation (either scripted animation or CSS
>>> animation) to audio. We'd want them to use the audio clock, right?
>>>
>>
>> For that you need the play cursor of the actual audio sample you're
>> synchronizing against, which is typically not strongly tied to the
>> associated hardware audio clock.  For example, audio underruns may change
>> their alignment.
>>
>
> OK, but it's the audio clock with some adjustments, right? Definitely not
> the system clock.
>

Right.

-- 
Glenn Maynard



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