[gmpi] Re: Topic 7.1: Channel Formats
- From: Steve Harris <S.W.Harris@xxxxxxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Wed, 4 Jun 2003 09:13:06 +0100
On Tue, Jun 03, 2003 at 02:19:58 -0700, Tim Hockin wrote:
> > This is fine, you have to explicitly put a de-multiplexer to get step a,
> > step c will kill anything that cannot be represented in the mutiplexed
> > form, c.f. Dolby Pro-Logic.
>
> > Sure, this is what happens, pro-logic will survive some processings an not
> > others, people are familair with this situation.
>
> Wasn't it you you who was just saying that "Worrying about matrix encoded
> LCRS streams in stereo is just splitting hairs. People are used to seeing
> stuff like that come out of left and right outputs of boxes." ? Maybe I
> misunderstood what you meant. I took it to mean that you were against
> encodings of this sort, but on re-reading it, I guess maybe not.
When I said the thing you quoted I meant exactly what I wrote just now,
maybe I wasn't clear enough.
> a) Protect the integrity of the encoded stream? Plugins must
> explicitly support an encoding, or the host should complain about the
> connection. Connecting LtRt to a stereo reverb should be denied, or the
> host should ask the user.
>
> b) Enable plugins just to get extra information (if they care)? Plugins
> only know nchannels, and it is up to the user not to do anything dumb.
> Connecting LtRt to a stereo reverb is silently accepted.
I'd go for b, from what I remeber its a valid operation to apply stereo
reverb to mutiplexed LCRS streams.
- Steve
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