[gmpi] Re: Topic 7.2: In-place processing

On Wed, May 28, 2003 at 11:26:40 -0700, Tim Hockin wrote:
> a) Yes.  A plugin-global flag indicates a plugins ability to do this.  This
> tells the host that ANY input buffer may be re-used on ANY output (perhaps
> withing some higher-level grouping of stuff (think MIDI channel?)).  If a
> plug can not accept this rule, it must not use in-place processing.

Tried and tested, known to work in ~99% of cases.
 
> b) Yes.  A plugin statically mnaps inputs to outputs.  The host may re-use
> an input buffer for an output if they map together.

Doesn't solve the problem.
 
> c) Yes.  A plugin is given inputs and produces it's own output buffers based
> on internal knowledge or other variables.  The host is not involved, except
> to furnish new buffers as requested.  The plugin must re-use or release all
> input buffers.  All inputs and outputs are unique.

[also d+e]
Doesn't solve the problem and complex.

- Steve

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