[gmpi] Re: low level API
- From: "gogins@xxxxxxxxxxxx" <gogins@xxxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Thu, 3 Feb 2005 17:46:20 -0500
IUnknown for the base class.
An object factory that acts like COM's, except it scans a directory to
build its registry rather than/as well as using the Windows registry.
Original Message:
-----------------
From: Jeff McClintock jeffmcc@xxxxxxxxxx
Date: Fri, 04 Feb 2005 08:13:08 +1300
To: gmpi@xxxxxxxxxxxxx
Subject: [gmpi] Re: low level API
OK, so there's only two more decisions needed in order to build our
first prototype.
( to recap: the prototype is a absolute minimal plugin, no audio, no
parameters, no nothing. It does not do anything, except load into a
host. It's initial purpose is to ensure we can get the lowest levels of
the API running on at least Windows, Mac, and Linux). After we make
each design decision, code is added to the prototype.
Debate about design decisions and performance trade offs can settled
by using the prototype as a testbed. Every aspect of the prototype is
up for debate, even down to the coding style).
..OK, so there's only a couple more things to sketch out before the
prototype takes it's first breath.u
1 - An abstract factory. Once the host has loaded a plugin's file
(Windows:dll, Mach-O:bundle, what do you call these on Linux?).. then we
need to instantiate a plugin object. A file could contain several
plugins, how should this work?
2 - The plugin base class. Most plugin SDKs provide a C++ base class on
which to base your plugin. VST has AudioEffectX. What is GMPI's called?
PS: I hope I'm not being to pushy by asking these questions, but there's
no sense delaying progress because of uncertanty about the MMA's level
of involvement. I hope I'm sticking to fairly uncontroversial aspects of
the SDK anyhow.
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