[gmpi] Re: 3.15 MIDI
- From: Steve Harris <S.W.Harris@xxxxxxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Wed, 16 Jun 2004 15:25:38 +0100
On Wed, Jun 16, 2004 at 01:47:49 +0100, Martijn Sipkema wrote:
> > In reality you're not going to get that because the host has to parse out
> > the bits of the MIDI stream that are relevant to your plugin. You may get
> > MIDI bytes, but you probably wont get the same raw bytes as received from
> > the (virtual?) MIDI port.
>
> I know that, but it may still contain information that would not be
> available
> when converted.
Such as?
> > Its not a case of *can*, its more down to a preference. You dont think we
> > can map MIDI into some other representation losslesly, and I dont think we
> > can handle multiple (simultaneous) represenations consistently.
> >
> > There are systems that pass translated MIDI streams, but I'm not aware of
> > any that use overlapping control systems.
>
> Those systems probable drop some information. Even MIDI over USB does
> this and was critisized for it (and for having very bad timing).
I have used one of them. the only think I can think of that it might drop
is the running status message, but I'm not sure about that, and I bet VST
hosts (for example) drop that anyway.
the bad timing is possibly down to the fact that MIDI over USB does/can
run at a different rate to DIN MIDI? It seems like an inevitable
consequence of different rates. You can't resample MIDI :)
- Steve
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