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 #include "JackWinMMEPort.h"
  28
  29 namespace Jack {
  30
  31     class JackWinMMEInputPort : public JackWinMMEPort {
  32
  33     private:
  34
  35         static void CALLBACK
  36         HandleMidiInputEvent(HMIDIIN handle, UINT message, DWORD port,
  37                              DWORD param1, DWORD param2);
  38
  39         void
  40         EnqueueMessage(DWORD timestamp, size_t length, jack_midi_data_t *data);
  41
  42         void
  43         GetInErrorString(MMRESULT error, LPTSTR text);
  44
  45         void
  46         ProcessWinMME(UINT message, DWORD param1, DWORD param2);
  47
  48         void
  49         WriteInError(const char *jack_func, const char *mm_func,
  50                                 MMRESULT result);
  51
  52         HMIDIIN handle;
  53         jack_midi_event_t *jack_event;
  54         jack_time_t start_time;
  55         bool started;
  56         jack_midi_data_t *sysex_buffer;
  57         MIDIHDR sysex_header;
  58         JackMidiAsyncQueue *thread_queue;
  59         JackMidiBufferWriteQueue *write_queue;
  60
  61     public:
  62
  63         JackWinMMEInputPort(const char *alias_name, const char *client_name,
  64                             const char *driver_name, UINT index,
  65                             size_t max_bytes=4096, size_t max_messages=1024);
  66
  67         ~JackWinMMEInputPort();
  68
  69         void
  70         ProcessJack(JackMidiBuffer *port_buffer, jack_nframes_t frames);
  71
  72         bool
  73         Start();
  74
  75         bool
  76         Stop();
  77
  78     };
  79
  80 }
  81
  82 #endif