[gmpi] Re: Topic 7: Audio packaging
- From: David Olofson <david@xxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Mon, 2 Jun 2003 23:57:36 +0200
On Monday 02 June 2003 23.30, Tim Hockin wrote:
> > SynthEdit handles this by sending the plugin an event.. "input
> > number 1 is now silent".
> >
> > Should I be telling all my competitors this?, or keep it to
> > myself?
>
> We dreamed up a similar thing for XAP. How does something that
> outputs silence (an attenuator set to 0) tell the downstream
> plugin? Does it send an event to the host or does it have
> connections to each downstream port?
One would have SILENT input and output controls to go with the audio
ports, I think. "Cable" connections would automatically hook them up.
For connections where an output with silence support is connected to
an input without, the host can throw in an object that switches the
input to the host global Silent Buffer whenever the SILENT control is
off.
Or something... There are countless different ways to do this.
> The buffer is a nice place for
> this, since they are by definition the comms mechanism for
> downstream plugs.
Yeah. I do that in Audiality, although I didn't really have a choice,
as FX plugins don't use events for control yet. (Very quick hack
"plugin" API...)
> Either way, this is a detail that we shouldn't even be talking
> about yet, I think. Or maybe..Ron?
If we're going to decide whether or not to have silence support (how
to do it is a later issue), it seems like we can't avoid some
technical level discussion. Some seem to think the feature is utterly
useless and way too complex, while others think it's both simple and
useful.
//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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