windows/winmme/JackWinMMEInputPort.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 __JackWinMMEInputPort__
  21 #define __JackWinMMEInputPort__
  22
  23 #include <mmsystem.h>
  24
  25 #include "JackMidiAsyncQueue.h"
  26 #include "JackMidiBufferWriteQueue.h"
  27
  28 namespace Jack {
  29
  30     class JackWinMMEInputPort {
  31
  32     private:
  33
  34         static void CALLBACK
  35         HandleMidiInputEvent(HMIDIIN handle, UINT message, DWORD port,
  36                              DWORD param1, DWORD param2);
  37
  38         void
  39         EnqueueMessage(jack_nframes_t time, size_t length,
  40                        jack_midi_data_t *data);
  41
  42         void
  43         GetErrorString(MMRESULT error, LPTSTR text);
  44
  45         void
  46         ProcessWinMME(UINT message, DWORD param1, DWORD param2);
  47
  48         void
  49         WriteError(const char *jack_func, const char *mm_func,
  50                    MMRESULT result);
  51
  52         char alias[JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE];
  53         char name[JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE];
  54
  55         HMIDIIN handle;
  56         jack_midi_event_t *jack_event;
  57         jack_midi_data_t *sysex_buffer;
  58         MIDIHDR sysex_header;
  59         JackMidiAsyncQueue *thread_queue;
  60         JackMidiBufferWriteQueue *write_queue;
  61
  62         bool started;
  63
  64     public:
  65
  66         JackWinMMEInputPort(const char *alias_name, const char *client_name,
  67                             const char *driver_name, UINT index,
  68                             size_t max_bytes=4096, size_t max_messages=1024);
  69
  70         ~JackWinMMEInputPort();
  71
  72         const char *
  73         GetAlias();
  74
  75         const char *
  76         GetName();
  77
  78         void
  79         ProcessJack(JackMidiBuffer *port_buffer, jack_nframes_t frames);
  80
  81         bool
  82         Start();
  83
  84         bool
  85         Stop();
  86
  87     };
  88
  89 }
  90
  91 #endif