[gmpi] Re: 3.11 Parameters
- From: Tim Hockin <thockin@xxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Wed, 31 Mar 2004 09:46:44 -0800
On Wed, Mar 31, 2004 at 12:14:54PM -0500, Ron Kuper wrote:
> Oh, you are thinking *really* dynamic changes, like anywhere at anytime,
> even during playback. I had something more restrictive in mind, both
> for param changes and dynamic output creation.
>
> The idea is that the plugin has to ask the host if it's OK to change
> param counts or pin counts. For example, the plugin says:
>
> bool bOK = pHost->BeginParamCountChange();
> if (bOK)
> {
> ... change param counts ...
> pHost->EndParamCountChange();
> }
> else
> ... try again later ...
And I was thinking the opposite model. The host says:
module_id = plugin->module_new("STEREO_STRIP", "Input 14 (S)");
if (module_id < 0)
/* plugin failed or chose not to create that module */
Or more heavy handedly:
GMPI_module_desc modules[]; /* holding all current modules */
int nmodules;
...
if (add_module_to_array(modules, nmodules, plugin->modules[5])) {
nmodules++;
/* create a new plugin instance, if OK, destroy the old one */
new_plug = recreate(plugin, modules, nmodules);
if (!new_plug)
/* plugin rejected new module config */
}
I can see why the host would ask the plugin to change its config, but why
would a plugin do it spontaneously?
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