[gmpi] Re: Topic 6: Time representation
- From: Marc Poirier <marc@xxxxxxxxxxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Tue, 29 Apr 2003 20:06:37 +0200 (CEST)
> > Agreed. So we have an absolute linear stream clock in samples (we'll need
> > a 64-bit integer word for that) and an optional periodic sync pulse in the
>
> 32 bits is sufficient: it doesn't matter if we wrap, so long as the wrap
> window is not too small (i.e. larger than one processing block). Comparisons
> of unsigned numbers will always yield a valid difference in time. And
> processing 32 bits is MUCH faster on current processors than 64 bits.
That doesn't matter. Processing musical time info is a completely trivial
task (compared to processing audio data). It's not going to make any
significant performance difference whether the time info uses 32-bit or
64-bit ints, unless a plugin is very poorly written...
Marc
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