[gmpi] Re: Decision time: 7.2

On Fri, Jul 18, 2003 at 06:26:31PM -0600, Mike Berry wrote:
>       e.) A plugin is passed input and output buffers. The output buffers 
>       may be NULL, indicating that the corresponding input buffer should be 
> processed in place. Hosts must not pass NULL output buffers if the 
> plugin is assymetrical in its inputs and outputs. Hosts must not mix 
> NULL and non-NULL output buffers in a single call.
>       Therefore, all symmetrical plugins must support in place and copy to 
> processing. All assymetrical plugins only support copy-to processing. 
> All buffer management is handled by the host.

That sounds harder to handle than just setting the pointers to the same
address.

- Steve

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