[gmpi] Re: Revised Topic 7.3: Unconnected inputs/outputs
- From: Steve Harris <S.W.Harris@xxxxxxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Sat, 7 Jun 2003 00:41:57 +0100
On Fri, Jun 06, 2003 at 12:30:42 -0700, Tim Hockin wrote:
> > On Fri, Jun 06, 2003 at 02:41:19 -0700, Tim Hockin wrote:
> > > c) If a plugin supports disconnected inputs/outputs, they are flagged
> > > or negotiated at connection-time. If an in/out is agreed to be
> > > disconnected, no buffer is needed. Otherwise, the host must
> > > provide a zero-filled (or SILENT) buffer for logically disconnect
> > > in/outs.
> >
> > I prefer that the /ports/ (not buffers) are always flagged, and the host
> > always provides buffers. Simpler and functionally equivalent.
>
> Which was exactly option E.
>
> b) They are given a zero-filled (or SILENT) buffer, and no further
> information (plugin may assume they are all always connected).
> e) Same as option B, except the plugin is notified of the disconnected
> state of the port. Plugins may ignore the notice, and just read
> the zeroed buffer. No extra work needed by plugins, optimizations
> are possible.
OK, I read "notified" to mean an event was sent, not a flag was set.
Important difference.
- Steve
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