JackCoreMidiVirtualInputPort.cpp
/*
Copyright (C) 2011 Devin Anderson
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sstream>
#include <stdexcept>
#include "JackError.h"
#include "JackCoreMidiUtil.h"
#include "JackCoreMidiVirtualInputPort.h"
using Jack::JackCoreMidiVirtualInputPort;
// Static callbacks
void
JackCoreMidiVirtualInputPort::
HandleInputEvent(const MIDIPacketList *packet_list, void *port,
void */*src_ref*/)
{
((JackCoreMidiVirtualInputPort *) port)->ProcessCoreMidi(packet_list);
}
// Class
JackCoreMidiVirtualInputPort::
JackCoreMidiVirtualInputPort(const char *alias_name, const char *client_name,
const char *driver_name, int base_index, int index,
MIDIClientRef client, double time_ratio,
size_t max_bytes, size_t max_messages):
JackCoreMidiInputPort(time_ratio, max_bytes, max_messages)
{
std::stringstream stream;
stream << "virtual" << (base_index + 1);
CFStringRef name = CFStringCreateWithCString(0, stream.str().c_str(),
CFStringGetSystemEncoding());
if (! name) {
throw std::bad_alloc();
}
MIDIEndpointRef destination;
OSStatus status = MIDIDestinationCreate(client, name, HandleInputEvent,
this, &destination);
/*
SInt32 value;
status = MIDIObjectGetIntegerProperty(destination, kMIDIPropertyUniqueID, &value);
if (status == noErr) {
jack_info("kMIDIPropertyUniqueID %d", value);
}
*/
CFRelease(name);
if (status != noErr) {
throw std::runtime_error(GetMacOSErrorString(status));
}
Initialize(alias_name, client_name, driver_name, index, destination);
// Keep in global list (that keeps growing during the whole session...)
endpoint_list.insert(endpoint);
}
JackCoreMidiVirtualInputPort::~JackCoreMidiVirtualInputPort()
{
OSStatus status = MIDIEndpointDispose(GetEndpoint());
if (status != noErr) {
WriteMacOSError("JackCoreMidiVirtualInputPort [destructor]",
"MIDIEndpointDispose", status);
}
}
Jack::JackCoreMidiVirtualInputPort
Definition: JackCoreMidiVirtualInputPort.h:27