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// license:BSD-3-Clause
// copyright-holders:Couriersud
/***************************************************************************
none.c
Empty shim for systems not supporting midi / portmidi
*******************************************************************c********/
#include "osdcore.h"
#include "corealloc.h"
#include "modules/osdmodule.h"
#include "midi_module.h"
class none_module : public osd_module, public midi_module
{
public:
none_module()
: osd_module(OSD_MIDI_PROVIDER, "pm"), midi_module()
{
}
virtual ~none_module() { }
virtual int init(const osd_options &options);
virtual void exit();
osd_midi_device *create_midi_device();
void list_midi_devices(void);
};
class osd_midi_device_none : public osd_midi_device
{
public:
virtual ~osd_midi_device_none() { }
virtual bool open_input(const char *devname);
virtual bool open_output(const char *devname);
virtual void close();
virtual bool poll();
virtual int read(UINT8 *pOut);
virtual void write(UINT8 data);
private:
//int dummy;
};
osd_midi_device *none_module::create_midi_device()
{
return global_alloc(osd_midi_device_none());
}
int none_module::init(const osd_options &options)
{
return 0;
}
void none_module::exit()
{
}
void none_module::list_midi_devices(void)
{
osd_printf_warning("\nMIDI is not supported in this build\n");
}
bool osd_midi_device_none::open_input(const char *devname)
{
return false;
}
bool osd_midi_device_none::open_output(const char *devname)
{
return false;
}
void osd_midi_device_none::close()
{
}
bool osd_midi_device_none::poll()
{
return false;
}
int osd_midi_device_none::read(UINT8 *pOut)
{
return 0;
}
void osd_midi_device_none::write(UINT8 data)
{
}
MODULE_DEFINITION(MIDI_NONE, none_module)
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