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livetrax/gtk2_ardour/midi_tracer.cc

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7.5 KiB
C++
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#define __STDC_FORMAT_MACROS 1
#include <stdint.h>
#include <sstream>
#include <sys/time.h>
#include <time.h>
#include "midi++/parser.h"
#include "midi_tracer.h"
#include "gui_thread.h"
#include "i18n.h"
using namespace Gtk;
using namespace std;
using namespace MIDI;
using namespace Glib;
MidiTracer::MidiTracer (const std::string& name, Parser& p)
: ArdourDialog (string_compose (_("MIDI Trace %1"), name))
, parser (p)
, line_count_adjustment (200, 1, 2000, 1, 10)
, line_count_spinner (line_count_adjustment)
, line_count_label (_("Store this many lines: "))
, autoscroll (true)
, show_hex (true)
, collect (true)
, update_queued (false)
, fifo (1024)
, buffer_pool ("miditracer", buffer_size, 1024) // 1024 256 byte buffers
, autoscroll_button (_("Auto-Scroll"))
, base_button (_("Decimal"))
, collect_button (_("Enabled"))
{
scroller.add (text);
get_vbox()->set_border_width (12);
get_vbox()->pack_start (scroller, true, true);
text.show ();
text.set_name ("MidiTracerTextView");
scroller.show ();
scroller.set_size_request (400, 400);
collect_button.set_active (true);
base_button.set_active (false);
autoscroll_button.set_active (true);
line_count_box.set_spacing (6);
line_count_box.pack_start (line_count_label, false, false);
line_count_box.pack_start (line_count_spinner, false, false);
line_count_spinner.show ();
line_count_label.show ();
line_count_box.show ();
get_action_area()->add (line_count_box);
HBox* bbox = manage (new HBox);
bbox->add (base_button);
bbox->add (collect_button);
bbox->add (autoscroll_button);
bbox->show ();
get_action_area()->add (*bbox);
base_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::base_toggle));
collect_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::collect_toggle));
autoscroll_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::autoscroll_toggle));
base_button.show ();
collect_button.show ();
autoscroll_button.show ();
connect ();
}
MidiTracer::~MidiTracer()
{
}
void
MidiTracer::connect ()
{
disconnect ();
parser.any.connect_same_thread (connection, boost::bind (&MidiTracer::tracer, this, _1, _2, _3));
}
void
MidiTracer::disconnect ()
{
connection.disconnect ();
}
void
MidiTracer::tracer (Parser&, byte* msg, size_t len)
{
stringstream ss;
struct timeval tv;
char* buf;
struct tm now;
size_t bufsize;
size_t s;
gettimeofday (&tv, 0);
localtime_r (&tv.tv_sec, &now);
buf = (char *) buffer_pool.alloc ();
bufsize = buffer_size;
s = strftime (buf, bufsize, "%H:%M:%S", &now);
bufsize -= s;
s += snprintf (&buf[s], bufsize, ".%-9" PRId64, (int64_t) tv.tv_usec);
bufsize -= s;
switch ((eventType) msg[0]&0xf0) {
case off:
if (show_hex) {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "NoteOff", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
} else {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d %-3d\n", "NoteOff", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
}
break;
case on:
if (show_hex) {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "NoteOn", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
} else {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d %-3d\n", "NoteOn", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
}
break;
case polypress:
if (show_hex) {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "PolyPressure", (msg[0]&0xf)+1, (int) msg[1]);
} else {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "PolyPressure", (msg[0]&0xf)+1, (int) msg[1]);
}
break;
case MIDI::controller:
if (show_hex) {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "Controller", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
} else {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %2d %-3d\n", "Controller", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
}
break;
case program:
if (show_hex) {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "Program PropertyChange", (msg[0]&0xf)+1, (int) msg[1]);
} else {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "Program PropertyChange", (msg[0]&0xf)+1, (int) msg[1]);
}
break;
case chanpress:
if (show_hex) {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x/%-3d\n", "Channel Pressure", (msg[0]&0xf)+1, (int) msg[1], (int) msg[1]);
} else {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x/%-3d\n", "Channel Pressure", (msg[0]&0xf)+1, (int) msg[1], (int) msg[1]);
}
break;
case MIDI::pitchbend:
if (show_hex) {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "Pitch Bend", (msg[0]&0xf)+1, (int) msg[1]);
} else {
s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "Pitch Bend", (msg[0]&0xf)+1, (int) msg[1]);
}
break;
case MIDI::sysex:
if (len == 1) {
switch (msg[0]) {
case 0xf8:
s += snprintf (&buf[s], bufsize, "%16s\n", "Clock");
break;
case 0xfa:
s += snprintf (&buf[s], bufsize, "%16s\n", "Start");
break;
case 0xfb:
s += snprintf (&buf[s], bufsize, "%16s\n", "Continue");
break;
case 0xfc:
s += snprintf (&buf[s], bufsize, "%16s\n", "Stop");
break;
case 0xfe:
s += snprintf (&buf[s], bufsize, "%16s\n", "Active Sense");
break;
case 0xff:
s += snprintf (&buf[s], bufsize, "%16s\n", "Reset");
break;
default:
s += snprintf (&buf[s], bufsize, "%16s %02x\n", "Sysex", (int) msg[1]);
break;
}
} else {
s += snprintf (&buf[s], bufsize, "%16s (%d) = [", "Sysex", (int) len);
bufsize -= s;
for (unsigned int i = 0; i < len && bufsize > 3; ++i) {
if (i > 0) {
s += snprintf (&buf[s], bufsize, " %02x", msg[i]);
} else {
s += snprintf (&buf[s], bufsize, "%02x", msg[i]);
}
bufsize -= s;
}
s += snprintf (&buf[s], bufsize, "]\n");
}
break;
case MIDI::song:
s += snprintf (&buf[s], bufsize, "%16s\n", "Song");
break;
case MIDI::tune:
s += snprintf (&buf[s], bufsize, "%16s\n", "Tune");
break;
case MIDI::eox:
s += snprintf (&buf[s], bufsize, "%16s\n", "EOX");
break;
case MIDI::timing:
s += snprintf (&buf[s], bufsize, "%16s\n", "Timing");
break;
case MIDI::start:
s += snprintf (&buf[s], bufsize, "%16s\n", "Start");
break;
case MIDI::stop:
s += snprintf (&buf[s], bufsize, "%16s\n", "Stop");
break;
case MIDI::contineu:
s += snprintf (&buf[s], bufsize, "%16s\n", "Continue");
break;
case active:
s += snprintf (&buf[s], bufsize, "%16s\n", "Active Sense");
break;
default:
s += snprintf (&buf[s], bufsize, "%16s\n", "Unknown");
break;
}
// If you want to append more to the line, uncomment this first
// bufsize -= s;
fifo.write (&buf, 1);
if (!update_queued) {
gui_context()->call_slot (boost::bind (&MidiTracer::update, this));
update_queued = true;
}
}
void
MidiTracer::update ()
{
bool updated = false;
update_queued = false;
RefPtr<TextBuffer> buf (text.get_buffer());
int excess = buf->get_line_count() - line_count_adjustment.get_value();
if (excess > 0) {
buf->erase (buf->begin(), buf->get_iter_at_line (excess));
}
char *str;
while (fifo.read (&str, 1)) {
buf->insert (buf->end(), string (str));
buffer_pool.release (str);
updated = true;
}
if (updated && autoscroll) {
scroller.get_vadjustment()->set_value (scroller.get_vadjustment()->get_upper());
}
}
void
MidiTracer::base_toggle ()
{
show_hex = !base_button.get_active();
}
void
MidiTracer::collect_toggle ()
{
if (collect_button.get_active ()) {
connect ();
} else {
disconnect ();
}
}
void
MidiTracer::autoscroll_toggle ()
{
autoscroll = autoscroll_button.get_active ();
}