Jack2  1.9.9
JackCoreMidiPhysicalInputPort.cpp
1 /*
2 Copyright (C) 2011 Devin Anderson
3 
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8 
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13 
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 
18 */
19 
20 #include <sstream>
21 #include <stdexcept>
22 
23 #include "JackCoreMidiPhysicalInputPort.h"
24 #include "JackCoreMidiUtil.h"
25 
27 
28 JackCoreMidiPhysicalInputPort::
29 JackCoreMidiPhysicalInputPort(const char *alias_name, const char *client_name,
30  const char *driver_name, int index,
31  MIDIClientRef client, MIDIPortRef internal_input,
32  double time_ratio, size_t max_bytes,
33  size_t max_messages):
34  JackCoreMidiInputPort(time_ratio, max_bytes, max_messages)
35 {
36  MIDIEndpointRef source = MIDIGetSource(index);
37  if (! source) {
38  // X: Is there a way to get a better error message?
39  std::stringstream stream;
40  stream << "The source at index '" << index << "' is not available";
41  throw std::runtime_error(stream.str().c_str());
42  }
43  OSStatus status = MIDIPortConnectSource(internal_input, source, this);
44  if (status != noErr) {
45  throw std::runtime_error(GetMacOSErrorString(status));
46  }
47  Initialize(alias_name, client_name, driver_name, index, source);
48 }
49 
50 JackCoreMidiPhysicalInputPort::~JackCoreMidiPhysicalInputPort()
51 {
52  // Empty
53 }