[gmpi] Re: Decision time: 7.2
- From: Steve Harris <S.W.Harris@xxxxxxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Wed, 23 Jul 2003 15:57:32 +0100
On Wed, Jul 23, 2003 at 10:01:16AM -0400, RonKuper@xxxxxxxxxxxx wrote:
> I like (c) for several reasons.
>
> First, if you want to build a simple in-place plugin, it's still very easy
> to do. Process your input buffers when you receive them, and then pass them
> right back out.
>
> But if you want to do a copy plugin, it's also fairly easy. Once you've got
> all your input buffers, ask the host for an output "delivery" buffer, fill
> it, and pass it along.
OK, I now see why you want this, it does make some things simpler, the
extra difficulty is that you might require the host to provide more
buffers at runtime. Is there a restriction that those buffers have to be
requested during some initialisation phase? Or can they be requested
anytime?
Is the init protocol something like:
1. host tells plugin where its inputs are
2. plugin (optionally) requests some buffers
3. plugin tells host where its outputs are
I'm not sure if the occasional code path simplicity win of (c) beats the
allover design simplicity of (a).
- Steve
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