macosx/coremidi/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
  26 using Jack::JackCoreMidiPhysicalInputPort;
  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 }