[gmpi] Re: Topic 6: Time representation
- From: David Olofson <david@xxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Tue, 29 Apr 2003 21:04:15 +0200
On Tuesday 29 April 2003 15.58, Paul Kellett wrote:
[...]
> > You'd also need to enable the plugin to access the tempo map for
> > absolute musical time to be useful (or at least the time of the
> > last tempo change and the tempo).
>
> If the tempo is being adjusted live there may not be a tempo map.
There can still be a temp map of sorts for the block you're about to
process. Just like there's a deadline for changing anything in the
audio output, there's a deadline for changing anything that may
affect the operation of plugins during a block cycle. The tempo map
may well change it's relation to audio time before the *next* block,
but that's no different from the situation with a sequencer running
on external sync.
//David Olofson - Programmer, Composer, Open Source Advocate
.- The Return of Audiality! --------------------------------.
| Free/Open Source Audio Engine for use in Games or Studio. |
| RT and off-line synth. Scripting. Sample accurate timing. |
`-----------------------------------> http://audiality.org -'
--- http://olofson.net --- http://www.reologica.se ---
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