windows/winmme/JackWinMMEOutputPort.h

   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 #ifndef __JackWinMMEOutputPort__
  21 #define __JackWinMMEOutputPort__
  22
  23 #include "JackMidiAsyncQueue.h"
  24 #include "JackMidiBufferReadQueue.h"
  25 #include "JackThread.h"
  26 #include "JackWinMMEPort.h"
  27
  28 namespace Jack {
  29
  30     class JackWinMMEOutputPort :
  31             public JackWinMMEPort, public JackRunnableInterface {
  32
  33     private:
  34
  35         static void CALLBACK
  36         HandleMessageEvent(HMIDIOUT handle, UINT message, DWORD_PTR port,
  37                            DWORD_PTR param1, DWORD_PTR param2);
  38
  39         void
  40         GetOutErrorString(MMRESULT error, LPTSTR text);
  41
  42         void
  43         HandleMessage(UINT message, DWORD_PTR param1, DWORD_PTR param2);
  44
  45         bool
  46         Signal(HANDLE semaphore);
  47
  48         bool
  49         Wait(HANDLE semaphore);
  50
  51         void
  52         WriteOutError(const char *jack_func, const char *mm_func,
  53                                    MMRESULT result);
  54
  55         HMIDIOUT handle;
  56         JackMidiBufferReadQueue *read_queue;
  57         HANDLE sysex_semaphore;
  58         JackThread *thread;
  59         JackMidiAsyncQueue *thread_queue;
  60         HANDLE thread_queue_semaphore;
  61         HANDLE timer;
  62
  63     public:
  64
  65         JackWinMMEOutputPort(const char *alias_name, const char *client_name,
  66                              const char *driver_name, UINT index,
  67                              size_t max_bytes=4096, size_t max_messages=1024);
  68
  69         ~JackWinMMEOutputPort();
  70
  71         bool
  72         Execute();
  73
  74         bool
  75         Init();
  76
  77         void
  78         ProcessJack(JackMidiBuffer *port_buffer, jack_nframes_t frames);
  79
  80         bool
  81         Start();
  82
  83         bool
  84         Stop();
  85
  86     };
  87
  88 }
  89
  90 #endif