Im a little unclear on what you are saying. First you say that they
should be in-process (i.e. in one process) then that we should try to
make them out of process so that multiple processes can access them.
I think that they have to be in-process given the existing OS's. And
adding network communication to the GMPI requirements for hosting is scary.
Silver Blade wrote:
1. Are plugins run in-process or out-of-process?
In-process, but they are allowed to be a proxy for an out-of-process or network implementation.
In an ideal world, I'd like to see out-of-process plugins. But we don't live in an ideal world, so I'd say all plugins should be in-process.
For networking, GMPI should provide means of communication over the network. While this, in a sense, out-of-process, the only out-of-process thing about it is that we're using the platform's networking functions, and the plugin is on a different computer.
I mentioned a while ago on the vst-plugins list an idea I had about creating a shared library that manages plugins and audio I/O for the entire system. Take WinSock, or the WinMM/mmsystem APIs of Windows as an example (or even the basic APIs for graphics/window management)... These must share data with each other, otherwise how would EnumWindows() work?
If we could implement a plugin architecture which could be shared among several processes at the same time, that would be brilliant - you'd be able to use the same devices for several applications at the same time, as long as they used GMPI. Plugins, too, could be used this way - and of course user interfaces.
-- Mike Berry Adobe Systems
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