JackCoreMidiVirtualOutputPort.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 "JackCoreMidiVirtualOutputPort.h"
using Jack::JackCoreMidiVirtualOutputPort;
JackCoreMidiVirtualOutputPort::
JackCoreMidiVirtualOutputPort(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):
JackCoreMidiOutputPort(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 source;
OSStatus status = MIDISourceCreate(client, name, &source);
/*
SInt32 value;
status = MIDIObjectGetIntegerProperty(source, 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, source, 0);
// Keep in global list (that keeps growing during the whole session...)
endpoint_list.insert(GetEndpoint());
}
JackCoreMidiVirtualOutputPort::~JackCoreMidiVirtualOutputPort()
{
OSStatus status = MIDIEndpointDispose(GetEndpoint());
if (status != noErr) {
WriteMacOSError("JackCoreMidiVirtualOutputPort [destructor]",
"MIDIEndpointDispose", status);
}
}
bool
JackCoreMidiVirtualOutputPort::SendPacketList(MIDIPacketList *packet_list)
{
OSStatus status = MIDIReceived(endpoint, packet_list);
bool result = status == noErr;
if (! result) {
WriteMacOSError("JackCoreMidiVirtualOutputPort::SendPacketList",
"MIDIReceived", status);
}
return result;
}
Jack::JackCoreMidiVirtualOutputPort
Definition: JackCoreMidiVirtualOutputPort.h:27