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 "JackCoreMidiVirtualOutputPort.h" 00025 00026 using Jack::JackCoreMidiVirtualOutputPort; 00027 00028 JackCoreMidiVirtualOutputPort:: 00029 JackCoreMidiVirtualOutputPort(const char *alias_name, const char *client_name, 00030 const char *driver_name, int index, 00031 MIDIClientRef client, double time_ratio, 00032 size_t max_bytes, 00033 size_t max_messages): 00034 JackCoreMidiOutputPort(time_ratio, max_bytes, 00035 max_messages) 00036 { 00037 std::stringstream stream; 00038 stream << "virtual" << (index + 1); 00039 CFStringRef name = CFStringCreateWithCString(0, stream.str().c_str(), 00040 CFStringGetSystemEncoding()); 00041 if (! name) { 00042 throw std::bad_alloc(); 00043 } 00044 MIDIEndpointRef source; 00045 OSStatus status = MIDISourceCreate(client, name, &source); 00046 CFRelease(name); 00047 if (status != noErr) { 00048 throw std::runtime_error(GetMacOSErrorString(status)); 00049 } 00050 Initialize(alias_name, client_name, driver_name, index, source, 0); 00051 } 00052 00053 JackCoreMidiVirtualOutputPort::~JackCoreMidiVirtualOutputPort() 00054 { 00055 OSStatus status = MIDIEndpointDispose(GetEndpoint()); 00056 if (status != noErr) { 00057 WriteMacOSError("JackCoreMidiVirtualOutputPort [destructor]", 00058 "MIDIEndpointDispose", status); 00059 } 00060 } 00061 00062 bool 00063 JackCoreMidiVirtualOutputPort::SendPacketList(MIDIPacketList *packet_list) 00064 { 00065 OSStatus status = MIDIReceived(endpoint, packet_list); 00066 bool result = status == noErr; 00067 if (! result) { 00068 WriteMacOSError("JackCoreMidiVirtualOutputPort::SendPacketList", 00069 "MIDIReceived", status); 00070 } 00071 return result; 00072 }