libs/midi++2/mmctest.cc

   1 #include <cstdio>
   2 #include <fcntl.h>
   3
   4 #include "pbd/error.h"
   5 #include "pbd/textreceiver.h"
   6
   7 Transmitter error (Transmitter::Error);
   8 Transmitter info (Transmitter::Info);
   9 Transmitter warning (Transmitter::Warning);
  10 Transmitter fatal (Transmitter::Fatal);
  11 TextReceiver text_receiver ("mmctest");
  12
  13 #include "midi++/port.h"
  14 #include "midi++/manager.h"
  15 #include "midi++/mmc.h"
  16
  17 using namespace MIDI;
  18 using namespace PBD;
  19
  20 Port *port;
  21 PortRequest midi_device;
  22 Parser *parser;
  23 MachineControl *mmc;
  24 MachineControl::CommandSignature cs;
  25 MachineControl::ResponseSignature rs;
  26
  27 int
  28 setup_midi ()
  29
  30 {
  31         midi_device.devname = "/dev/snd/midiC0D0";
  32         midi_device.tagname = "trident";
  33         midi_device.mode = O_RDWR;
  34         midi_device.type = Port::ALSA_RawMidi;
  35
  36         if ((port = MIDI::Manager::instance()->add_port (midi_device)) == 0) {
  37                 info << "MIDI port is not valid" << endmsg;
  38                 return -1;
  39         }
  40
  41         mmc = new MachineControl (*port, 0.0, cs, rs);
  42
  43         return 0;
  44 }
  45
  46 void
  47 do_deferred_play (MachineControl &mmc)
  48
  49 {
  50         cout << "Deferred Play" << endl;
  51 }
  52
  53 void
  54 do_stop (MachineControl &mmc)
  55
  56 {
  57         cout << "Stop" << endl;
  58 }
  59
  60 void
  61 do_ffwd (MachineControl &mmc)
  62
  63 {
  64         cout << "Fast Forward" << endl;
  65 }
  66
  67 void
  68 do_rewind (MachineControl &mmc)
  69
  70 {
  71         cout << "Rewind" << endl;
  72 }
  73
  74 void
  75 do_record_status (MachineControl &mmc, size_t track, bool enabled)
  76
  77 {
  78         cout << "Track " << track + 1 << (enabled ? " enabled" : " disabled")
  79              << endl;
  80 }
  81
  82 main (int argc, char *argv[])
  83
  84 {
  85         byte buf[1];
  86
  87         text_receiver.listen_to (error);
  88         text_receiver.listen_to (info);
  89         text_receiver.listen_to (fatal);
  90         text_receiver.listen_to (warning);
  91
  92         if (setup_midi ()) {
  93                 exit (1);
  94         }
  95
  96
  97         mmc->DeferredPlay.connect (mem_fun (do_deferred_play));
  98         mmc->FastForward.connect (mem_fun (do_ffwd));
  99         mmc->Rewind.connect (mem_fun (do_rewind));
 100         mmc->Stop.connect (mem_fun (do_stop));
 101         mmc->TrackRecordStatusChange.connect (mem_fun (do_record_status));
 102
 103         while (1) {
 104                 if (port->read (buf, 1) < 0) {
 105                         error << "cannot read byte"
 106                               << endmsg;
 107                         break;
 108                 }
 109         }
 110 }
 111
 112