gtk2_ardour/midi_tracer.cc

   1 #define __STDC_FORMAT_MACROS 1
   2 #include <stdint.h>
   3
   4 #include <sstream>
   5 #include <sys/time.h>
   6 #include <time.h>
   7
   8 #include "midi++/parser.h"
   9
  10 #include "midi_tracer.h"
  11 #include "gui_thread.h"
  12 #include "i18n.h"
  13
  14 using namespace Gtk;
  15 using namespace std;
  16 using namespace MIDI;
  17 using namespace Glib;
  18
  19 MidiTracer::MidiTracer (const std::string& name, Parser& p)
  20         : ArdourDialog (string_compose (_("MIDI Trace %1"), name))
  21         , parser (p)
  22         , line_count_adjustment (200, 1, 2000, 1, 10)
  23         , line_count_spinner (line_count_adjustment)
  24         , line_count_label (_("Store this many lines: "))
  25         , autoscroll (true)
  26         , show_hex (true)
  27         , collect (true)
  28         , update_queued (false)
  29         , fifo (1024)
  30         , buffer_pool ("miditracer", buffer_size, 1024) // 1024 256 byte buffers
  31         , autoscroll_button (_("Auto-Scroll"))
  32         , base_button (_("Decimal"))
  33         , collect_button (_("Enabled"))
  34 {
  35         scroller.add (text);
  36         get_vbox()->set_border_width (12);
  37         get_vbox()->pack_start (scroller, true, true);
  38
  39         text.show ();
  40         text.set_name ("MidiTracerTextView");
  41         scroller.show ();
  42         scroller.set_size_request (400, 400);
  43
  44         collect_button.set_active (true);
  45         base_button.set_active (false);
  46         autoscroll_button.set_active (true);
  47
  48         line_count_box.set_spacing (6);
  49         line_count_box.pack_start (line_count_label, false, false);
  50         line_count_box.pack_start (line_count_spinner, false, false);
  51
  52         line_count_spinner.show ();
  53         line_count_label.show ();
  54         line_count_box.show ();
  55
  56         get_action_area()->add (line_count_box);
  57
  58         HBox* bbox = manage (new HBox);
  59         bbox->add (base_button);
  60         bbox->add (collect_button);
  61         bbox->add (autoscroll_button);
  62         bbox->show ();
  63
  64         get_action_area()->add (*bbox);
  65
  66         base_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::base_toggle));
  67         collect_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::collect_toggle));
  68         autoscroll_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::autoscroll_toggle));
  69
  70         base_button.show ();
  71         collect_button.show ();
  72         autoscroll_button.show ();
  73
  74         connect ();
  75 }
  76
  77
  78 MidiTracer::~MidiTracer()
  79 {
  80 }
  81
  82 void
  83 MidiTracer::connect ()
  84 {
  85         disconnect ();
  86         parser.any.connect_same_thread (connection, boost::bind (&MidiTracer::tracer, this, _1, _2, _3));
  87 }
  88
  89 void
  90 MidiTracer::disconnect ()
  91 {
  92         connection.disconnect ();
  93 }
  94
  95 void
  96 MidiTracer::tracer (Parser&, byte* msg, size_t len)
  97 {
  98         stringstream ss;
  99         struct timeval tv;
 100         char* buf;
 101         struct tm now;
 102         size_t bufsize;
 103         size_t s;
 104
 105         gettimeofday (&tv, 0);
 106         localtime_r (&tv.tv_sec, &now);
 107
 108         buf = (char *) buffer_pool.alloc ();
 109         bufsize = buffer_size;
 110
 111         s = strftime (buf, bufsize, "%H:%M:%S", &now);
 112         bufsize -= s;
 113         s += snprintf (&buf[s], bufsize, ".%06" PRId64, (int64_t) tv.tv_usec);
 114         bufsize -= s;
 115
 116         switch ((eventType) msg[0]&0xf0) {
 117         case off:
 118                 if (show_hex) {
 119                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "NoteOff", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
 120                 } else {
 121                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d %-3d\n", "NoteOff", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
 122                 }
 123                 break;
 124
 125         case on:
 126                 if (show_hex) {
 127                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "NoteOn", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
 128                 } else {
 129                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d %-3d\n", "NoteOn", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
 130                 }
 131                 break;
 132
 133         case polypress:
 134                 if (show_hex) {
 135                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "PolyPressure", (msg[0]&0xf)+1, (int) msg[1]);
 136                 } else {
 137                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "PolyPressure", (msg[0]&0xf)+1, (int) msg[1]);
 138                 }
 139                 break;
 140
 141         case MIDI::controller:
 142                 if (show_hex) {
 143                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "Controller", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
 144                 } else {
 145                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %2d %-3d\n", "Controller", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
 146                 }
 147                 break;
 148
 149         case program:
 150                 if (show_hex) {
 151                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "Program Change", (msg[0]&0xf)+1, (int) msg[1]);
 152                 } else {
 153                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "Program Change", (msg[0]&0xf)+1, (int) msg[1]);
 154                 }
 155                 break;
 156
 157         case chanpress:
 158                 if (show_hex) {
 159                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x/%-3d\n", "Channel Pressure", (msg[0]&0xf)+1, (int) msg[1], (int) msg[1]);
 160                 } else {
 161                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x/%-3d\n", "Channel Pressure", (msg[0]&0xf)+1, (int) msg[1], (int) msg[1]);
 162                 }
 163                 break;
 164
 165         case MIDI::pitchbend:
 166                 if (show_hex) {
 167                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "Pitch Bend", (msg[0]&0xf)+1, (int) msg[1]);
 168                 } else {
 169                         s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "Pitch Bend", (msg[0]&0xf)+1, (int) msg[1]);
 170                 }
 171                 break;
 172
 173         case MIDI::sysex:
 174                 if (len == 1) {
 175                         switch (msg[0]) {
 176                         case 0xf8:
 177                                 s += snprintf (&buf[s], bufsize, "%16s\n", "Clock");
 178                                 break;
 179                         case 0xfa:
 180                                 s += snprintf (&buf[s], bufsize, "%16s\n", "Start");
 181                                 break;
 182                         case 0xfb:
 183                                 s += snprintf (&buf[s], bufsize, "%16s\n", "Continue");
 184                                 break;
 185                         case 0xfc:
 186                                 s += snprintf (&buf[s], bufsize, "%16s\n", "Stop");
 187                                 break;
 188                         case 0xfe:
 189                                 s += snprintf (&buf[s], bufsize, "%16s\n", "Active Sense");
 190                                 break;
 191                         case 0xff:
 192                                 s += snprintf (&buf[s], bufsize, "%16s\n", "Reset");
 193                                 break;
 194                         default:
 195                                 s += snprintf (&buf[s], bufsize, "%16s %02x\n", "Sysex", (int) msg[1]);
 196                                 break;
 197                         }
 198
 199                 } else {
 200
 201                         s += snprintf (&buf[s], bufsize, "%16s (%d) = [", "Sysex", (int) len);
 202                         bufsize -= s;
 203
 204                         for (unsigned int i = 0; i < len && bufsize > 3; ++i) {
 205                                 if (i > 0) {
 206                                         s += snprintf (&buf[s], bufsize, " %02x", msg[i]);
 207                                 } else {
 208                                         s += snprintf (&buf[s], bufsize, "%02x", msg[i]);
 209                                 }
 210                                 bufsize -= s;
 211                         }
 212                         s += snprintf (&buf[s], bufsize, "]\n");
 213                 }
 214                 break;
 215
 216         case MIDI::song:
 217                 s += snprintf (&buf[s], bufsize, "%16s\n", "Song");
 218                 break;
 219
 220         case MIDI::tune:
 221                 s += snprintf (&buf[s], bufsize, "%16s\n", "Tune");
 222                 break;
 223
 224         case MIDI::eox:
 225                 s += snprintf (&buf[s], bufsize, "%16s\n", "EOX");
 226                 break;
 227
 228         case MIDI::timing:
 229                 s += snprintf (&buf[s], bufsize, "%16s\n", "Timing");
 230                 break;
 231
 232         case MIDI::start:
 233                 s += snprintf (&buf[s], bufsize, "%16s\n", "Start");
 234                 break;
 235
 236         case MIDI::stop:
 237                 s += snprintf (&buf[s], bufsize, "%16s\n", "Stop");
 238                 break;
 239
 240         case MIDI::contineu:
 241                 s += snprintf (&buf[s], bufsize, "%16s\n", "Continue");
 242                 break;
 243
 244         case active:
 245                 s += snprintf (&buf[s], bufsize, "%16s\n", "Active Sense");
 246                 break;
 247
 248         default:
 249                 s += snprintf (&buf[s], bufsize, "%16s\n", "Unknown");
 250                 break;
 251         }
 252
 253         // If you want to append more to the line, uncomment this first
 254         // bufsize -= s;
 255
 256         fifo.write (&buf, 1);
 257
 258         if (!update_queued) {
 259                 gui_context()->call_slot (invalidator (*this), boost::bind (&MidiTracer::update, this));
 260                 update_queued = true;
 261         }
 262 }
 263
 264 void
 265 MidiTracer::update ()
 266 {
 267         bool updated = false;
 268         update_queued = false;
 269
 270         RefPtr<TextBuffer> buf (text.get_buffer());
 271
 272         int excess = buf->get_line_count() - line_count_adjustment.get_value();
 273
 274         if (excess > 0) {
 275                 buf->erase (buf->begin(), buf->get_iter_at_line (excess));
 276         }
 277
 278         char *str;
 279
 280         while (fifo.read (&str, 1)) {
 281                 buf->insert (buf->end(), string (str));
 282                 buffer_pool.release (str);
 283                 updated = true;
 284         }
 285
 286         if (updated && autoscroll) {
 287                 scroller.get_vadjustment()->set_value (scroller.get_vadjustment()->get_upper());
 288         }
 289 }
 290
 291 void
 292 MidiTracer::base_toggle ()
 293 {
 294         show_hex = !base_button.get_active();
 295 }
 296
 297 void
 298 MidiTracer::collect_toggle ()
 299 {
 300         if (collect_button.get_active ()) {
 301                 connect ();
 302         } else {
 303                 disconnect ();
 304         }
 305 }
 306
 307 void
 308 MidiTracer::autoscroll_toggle ()
 309 {
 310         autoscroll = autoscroll_button.get_active ();
 311 }