linux/alsarawmidi/JackALSARawMidiOutputPort.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 __JackALSARawMidiOutputPort__
  21 #define __JackALSARawMidiOutputPort__
  22
  23 #include "JackALSARawMidiPort.h"
  24 #include "JackALSARawMidiSendQueue.h"
  25 #include "JackMidiAsyncQueue.h"
  26 #include "JackMidiBufferReadQueue.h"
  27 #include "JackMidiRawOutputWriteQueue.h"
  28
  29 namespace Jack {
  30
  31     class JackALSARawMidiOutputPort: public JackALSARawMidiPort {
  32
  33     private:
  34
  35         jack_midi_event_t *alsa_event;
  36         JackMidiRawOutputWriteQueue *raw_queue;
  37         JackMidiBufferReadQueue *read_queue;
  38         JackALSARawMidiSendQueue *send_queue;
  39         JackMidiAsyncQueue *thread_queue;
  40
  41     public:
  42
  43         JackALSARawMidiOutputPort(const char* client_name,
  44                                   snd_rawmidi_info_t *info,
  45                                   size_t index,
  46                                   size_t max_bytes_per_poll=3,
  47                                   size_t max_bytes=4096,
  48                                   size_t max_messages=1024);
  49
  50         ~JackALSARawMidiOutputPort();
  51
  52         bool
  53         ProcessJack(JackMidiBuffer *port_buffer, jack_nframes_t frames);
  54
  55         bool
  56         ProcessPollEvents(bool handle_output, bool timeout,
  57                           jack_nframes_t *frame);
  58
  59     };
  60
  61 }
  62
  63 #endif