[gmpi] Re: Prototype Plugin Code
- From: "Ron Kuper" <RonKuper@xxxxxxxxxxxx>
- To: <gmpi@xxxxxxxxxxxxx>
- Date: Tue, 15 Feb 2005 10:48:21 -0500
>>>
CreateInstance() function now simply returns a pointer to the plugin.
It's still checked for errors, except by the factory.
<<<
I'd like CreateInstance to return an error code, like "out of memory",
or "too many instances already created" or "out of DSP resource" or
"trial period has expired" etc etc.
-----Original Message-----
From: gmpi-bounce@xxxxxxxxxxxxx [mailto:gmpi-bounce@xxxxxxxxxxxxx] On
Behalf Of Jeff McClintock
Sent: Monday, February 14, 2005 10:06 PM
To: gmpi@xxxxxxxxxxxxx
Subject: [gmpi] Re: Prototype Plugin Code
After staring at that, I had to simplify it further ( a compulsion of
mine ).
CreateInstance() function now simply returns a pointer to the plugin.
It's still checked for errors, except by the factory.
----------header-----------------
#include "plugin.h"
class Prototype_Plugin : public GMPI_Plugin
{
public:
/* create function */
static GMPI_Plugin * GMPI_STDCALL CreateInstance(void);
/* test function */
virtual GMPI_RESULT GMPI_STDCALL Placeholder1( int32_t);
};
----------------cpp--------------
#include "test_plugin.h"
#include "factory.h"
/* Plugin unique ID */
/* IID vs URI undecided. For now using GUID */
static const GMPI_GUID IID_GMPI_Prototype_DSP =
{ 0x5cc85cad, 0xdc0c, 0x42c2, { 0x80, 0xfd, 0xdc, 0x3a, 0xdb, 0xc7, 0x6,
0x41 } };
/* register plugin ID and creation function with factory */
namespace
{
GMPI_RESULT r = Factory()->RegisterPlugin(
&IID_GMPI_Prototype_DSP,
Prototype_Plugin::CreateInstance );
}
/* instantiate a new plugin. Return NULL for failure */
GMPI_Plugin *Prototype_Plugin::CreateInstance(void)
{
return new Prototype_Plugin();
}
GMPI_RESULT Prototype_Plugin::Placeholder1( int32_t)
{
return GMPI_SUCCESS;
}
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