Jack2
1.9.8
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00001 /* 00002 Copyright (C) 2011 Devin Anderson 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU General Public License as published by 00006 the Free Software Foundation; either version 2 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU General Public License for more details. 00013 00014 You should have received a copy of the GNU General Public License 00015 along with this program; if not, write to the Free Software 00016 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 00018 */ 00019 00020 #include <sstream> 00021 #include <stdexcept> 00022 00023 #include "JackCoreMidiUtil.h" 00024 #include "JackCoreMidiVirtualInputPort.h" 00025 00026 using Jack::JackCoreMidiVirtualInputPort; 00027 00029 // Static callbacks 00031 00032 void 00033 JackCoreMidiVirtualInputPort:: 00034 HandleInputEvent(const MIDIPacketList *packet_list, void *port, 00035 void */*src_ref*/) 00036 { 00037 ((JackCoreMidiVirtualInputPort *) port)->ProcessCoreMidi(packet_list); 00038 } 00039 00041 // Class 00043 00044 JackCoreMidiVirtualInputPort:: 00045 JackCoreMidiVirtualInputPort(const char *alias_name, const char *client_name, 00046 const char *driver_name, int index, 00047 MIDIClientRef client, double time_ratio, 00048 size_t max_bytes, size_t max_messages): 00049 JackCoreMidiInputPort(time_ratio, max_bytes, max_messages) 00050 { 00051 std::stringstream stream; 00052 stream << "virtual" << (index + 1); 00053 CFStringRef name = CFStringCreateWithCString(0, stream.str().c_str(), 00054 CFStringGetSystemEncoding()); 00055 if (! name) { 00056 throw std::bad_alloc(); 00057 } 00058 MIDIEndpointRef destination; 00059 OSStatus status = MIDIDestinationCreate(client, name, HandleInputEvent, 00060 this, &destination); 00061 CFRelease(name); 00062 if (status != noErr) { 00063 throw std::runtime_error(GetMacOSErrorString(status)); 00064 } 00065 Initialize(alias_name, client_name, driver_name, index, destination); 00066 } 00067 00068 JackCoreMidiVirtualInputPort::~JackCoreMidiVirtualInputPort() 00069 { 00070 OSStatus status = MIDIEndpointDispose(GetEndpoint()); 00071 if (status != noErr) { 00072 WriteMacOSError("JackCoreMidiVirtualInputPort [destructor]", 00073 "MIDIEndpointDispose", status); 00074 } 00075 }