470 lines
12 KiB
C++
470 lines
12 KiB
C++
/*
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Copyright (C) 2010 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdint.h>
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#include <sstream>
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#include <sys/time.h>
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#include <time.h>
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#include "pbd/localtime_r.h"
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#include "pbd/timersub.h"
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#include "midi++/parser.h"
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#include "ardour/async_midi_port.h"
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#include "ardour/midi_port.h"
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#include "ardour/audioengine.h"
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#include "midi_tracer.h"
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#include "gui_thread.h"
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#include "i18n.h"
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using namespace Gtk;
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using namespace std;
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using namespace MIDI;
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using namespace Glib;
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MidiTracer::MidiTracer ()
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: ArdourWindow (_("MIDI Tracer"))
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, parser (0)
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, line_count_adjustment (200, 1, 2000, 1, 10)
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, line_count_spinner (line_count_adjustment)
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, line_count_label (_("Line history: "))
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, autoscroll (true)
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, show_hex (true)
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, collect (true)
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, show_delta_time (false)
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, _update_queued (0)
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, fifo (1024)
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, buffer_pool ("miditracer", buffer_size, 1024) // 1024 256 byte buffers
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, autoscroll_button (_("Auto-Scroll"))
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, base_button (_("Decimal"))
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, collect_button (_("Enabled"))
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, delta_time_button (_("Delta times"))
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{
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ARDOUR::AudioEngine::instance()->PortRegisteredOrUnregistered.connect
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(_manager_connection, invalidator (*this), boost::bind (&MidiTracer::ports_changed, this), gui_context());
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_last_receipt.tv_sec = 0;
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_last_receipt.tv_usec = 0;
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VBox* vbox = manage (new VBox);
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vbox->set_spacing (4);
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HBox* pbox = manage (new HBox);
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pbox->set_spacing (6);
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pbox->pack_start (*manage (new Label (_("Port:"))), false, false);
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_port_combo.signal_changed().connect (sigc::mem_fun (*this, &MidiTracer::port_changed));
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pbox->pack_start (_port_combo);
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pbox->show_all ();
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vbox->pack_start (*pbox, false, false);
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scroller.add (text);
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vbox->set_border_width (12);
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vbox->pack_start (scroller, true, true);
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text.show ();
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text.set_name ("MidiTracerTextView");
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scroller.show ();
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scroller.set_size_request (400, 400);
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collect_button.set_active (true);
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base_button.set_active (false);
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autoscroll_button.set_active (true);
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line_count_box.set_spacing (6);
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line_count_box.pack_start (line_count_label, false, false);
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line_count_box.pack_start (line_count_spinner, false, false);
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line_count_spinner.show ();
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line_count_label.show ();
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line_count_box.show ();
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HBox* bbox = manage (new HBox);
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bbox->add (line_count_box);
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bbox->add (delta_time_button);
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bbox->add (base_button);
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bbox->add (collect_button);
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bbox->add (autoscroll_button);
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bbox->show ();
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vbox->pack_start (*bbox, false, false);
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add (*vbox);
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base_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::base_toggle));
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collect_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::collect_toggle));
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autoscroll_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::autoscroll_toggle));
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delta_time_button.signal_toggled().connect (sigc::mem_fun (*this, &MidiTracer::delta_toggle));
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base_button.show ();
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collect_button.show ();
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autoscroll_button.show ();
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ports_changed ();
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port_changed ();
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}
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MidiTracer::~MidiTracer()
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{
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}
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void
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MidiTracer::ports_changed ()
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{
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string const c = _port_combo.get_active_text ();
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_port_combo.clear ();
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ARDOUR::PortManager::PortList pl;
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ARDOUR::AudioEngine::instance()->get_ports (ARDOUR::DataType::MIDI, pl);
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if (pl.empty()) {
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_port_combo.set_active_text ("");
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return;
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}
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for (ARDOUR::PortManager::PortList::const_iterator i = pl.begin(); i != pl.end(); ++i) {
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_port_combo.append_text ((*i)->name());
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}
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if (c.empty()) {
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_port_combo.set_active_text (pl.front()->name());
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} else {
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_port_combo.set_active_text (c);
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}
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}
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void
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MidiTracer::port_changed ()
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{
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using namespace ARDOUR;
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disconnect ();
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boost::shared_ptr<ARDOUR::Port> p = AudioEngine::instance()->get_port_by_name (_port_combo.get_active_text());
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if (!p) {
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std::cerr << "port not found\n";
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return;
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}
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/* The inheritance heirarchy makes this messy. AsyncMIDIPort has two
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* available MIDI::Parsers what we could connect to, ::self_parser()
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* (from ARDOUR::MidiPort) and ::parser() from MIDI::Port. One day,
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* this mess will all go away ...
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*/
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boost::shared_ptr<AsyncMIDIPort> async = boost::dynamic_pointer_cast<AsyncMIDIPort> (p);
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if (!async) {
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boost::shared_ptr<ARDOUR::MidiPort> mp = boost::dynamic_pointer_cast<ARDOUR::MidiPort> (p);
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if (mp) {
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mp->self_parser().any.connect_same_thread (_parser_connection, boost::bind (&MidiTracer::tracer, this, _1, _2, _3));
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}
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} else {
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async->parser()->any.connect_same_thread (_parser_connection, boost::bind (&MidiTracer::tracer, this, _1, _2, _3));
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}
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}
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void
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MidiTracer::disconnect ()
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{
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_parser_connection.disconnect ();
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}
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void
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MidiTracer::tracer (Parser&, byte* msg, size_t len)
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{
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stringstream ss;
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struct timeval tv;
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char* buf;
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struct tm now;
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size_t bufsize;
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size_t s;
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gettimeofday (&tv, 0);
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buf = (char *) buffer_pool.alloc ();
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bufsize = buffer_size;
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if (_last_receipt.tv_sec != 0 && show_delta_time) {
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struct timeval delta;
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timersub (&tv, &_last_receipt, &delta);
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s = snprintf (buf, bufsize, "+%02" PRId64 ":%06" PRId64, (int64_t) delta.tv_sec, (int64_t) delta.tv_usec);
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bufsize -= s;
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} else {
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localtime_r (&tv.tv_sec, &now);
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s = strftime (buf, bufsize, "%H:%M:%S", &now);
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bufsize -= s;
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s += snprintf (&buf[s], bufsize, ".%06" PRId64, (int64_t) tv.tv_usec);
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bufsize -= s;
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}
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_last_receipt = tv;
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switch ((eventType) msg[0]&0xf0) {
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case off:
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if (show_hex) {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "NoteOff", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
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} else {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d %-3d\n", "NoteOff", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
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}
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break;
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case on:
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if (show_hex) {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "NoteOn", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
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} else {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d %-3d\n", "NoteOn", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
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}
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break;
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case polypress:
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if (show_hex) {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "PolyPressure", (msg[0]&0xf)+1, (int) msg[1]);
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} else {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "PolyPressure", (msg[0]&0xf)+1, (int) msg[1]);
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}
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break;
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case MIDI::controller:
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if (show_hex) {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x %02x\n", "Controller", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
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} else {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %2d %-3d\n", "Controller", (msg[0]&0xf)+1, (int) msg[1], (int) msg[2]);
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}
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break;
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case program:
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if (show_hex) {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "Program Change", (msg[0]&0xf)+1, (int) msg[1]);
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} else {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "Program Change", (msg[0]&0xf)+1, (int) msg[1]);
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}
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break;
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case chanpress:
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if (show_hex) {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x/%-3d\n", "Channel Pressure", (msg[0]&0xf)+1, (int) msg[1], (int) msg[1]);
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} else {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x/%-3d\n", "Channel Pressure", (msg[0]&0xf)+1, (int) msg[1], (int) msg[1]);
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}
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break;
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case MIDI::pitchbend:
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if (show_hex) {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %02x\n", "Pitch Bend", (msg[0]&0xf)+1, (int) msg[1]);
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} else {
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s += snprintf (&buf[s], bufsize, "%16s chn %2d %-3d\n", "Pitch Bend", (msg[0]&0xf)+1, (int) msg[1]);
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}
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break;
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case MIDI::sysex:
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if (len == 1) {
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switch (msg[0]) {
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case 0xf8:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Clock");
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break;
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case 0xfa:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Start");
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break;
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case 0xfb:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Continue");
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break;
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case 0xfc:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Stop");
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break;
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case 0xfe:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Active Sense");
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break;
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case 0xff:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Reset");
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break;
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default:
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s += snprintf (&buf[s], bufsize, "%16s %02x\n", "Sysex", (int) msg[1]);
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break;
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}
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} else if (len > 5 && msg[0] == 0xf0 && msg[1] == 0x7f && msg[3] == 0x06) {
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/* MMC */
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int cmd = msg[4];
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if (cmd == 0x44 && msg[5] == 0x06 && msg[6] == 0x01) {
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s += snprintf (
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&buf[s], bufsize, " MMC locate to %02d:%02d:%02d:%02d.%02d\n",
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msg[7], msg[8], msg[9], msg[10], msg[11]
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);
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} else {
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std::string name;
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if (cmd == 0x1) {
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name = "STOP";
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} else if (cmd == 0x3) {
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name = "DEFERRED PLAY";
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} else if (cmd == 0x6) {
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name = "RECORD STROBE";
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} else if (cmd == 0x7) {
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name = "RECORD EXIT";
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} else if (cmd == 0x8) {
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name = "RECORD PAUSE";
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}
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if (!name.empty()) {
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s += snprintf (&buf[s], bufsize, " MMC command %s\n", name.c_str());
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} else {
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s += snprintf (&buf[s], bufsize, " MMC command %02x\n", cmd);
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}
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}
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} else if (len == 10 && msg[0] == 0xf0 && msg[1] == 0x7f && msg[9] == 0xf7) {
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/* MTC full frame */
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s += snprintf (
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&buf[s], bufsize, " MTC full frame to %02d:%02d:%02d:%02d\n", msg[5] & 0x1f, msg[6], msg[7], msg[8]
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);
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} else if (len == 3 && msg[0] == MIDI::position) {
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/* MIDI Song Position */
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int midi_beats = (msg[2] << 7) | msg[1];
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s += snprintf (&buf[s], bufsize, "%16s %d\n", "Position", (int) midi_beats);
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} else {
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/* other sys-ex */
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s += snprintf (&buf[s], bufsize, "%16s (%d) = [", "Sysex", (int) len);
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bufsize -= s;
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for (unsigned int i = 0; i < len && bufsize > 3; ++i) {
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if (i > 0) {
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s += snprintf (&buf[s], bufsize, " %02x", msg[i]);
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} else {
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s += snprintf (&buf[s], bufsize, "%02x", msg[i]);
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}
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bufsize -= s;
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}
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s += snprintf (&buf[s], bufsize, "]\n");
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}
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break;
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case MIDI::song:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Song");
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break;
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case MIDI::tune:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Tune");
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break;
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case MIDI::eox:
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s += snprintf (&buf[s], bufsize, "%16s\n", "EOX");
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break;
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case MIDI::timing:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Timing");
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break;
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case MIDI::start:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Start");
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break;
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case MIDI::stop:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Stop");
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break;
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case MIDI::contineu:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Continue");
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break;
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case active:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Active Sense");
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break;
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default:
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s += snprintf (&buf[s], bufsize, "%16s\n", "Unknown");
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break;
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}
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// If you want to append more to the line, uncomment this first
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// bufsize -= s;
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fifo.write (&buf, 1);
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if (g_atomic_int_get (const_cast<gint*> (&_update_queued)) == 0) {
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gui_context()->call_slot (invalidator (*this), boost::bind (&MidiTracer::update, this));
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g_atomic_int_inc (const_cast<gint*> (&_update_queued));
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}
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}
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void
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MidiTracer::update ()
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{
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bool updated = false;
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g_atomic_int_dec_and_test (const_cast<gint*> (&_update_queued));
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RefPtr<TextBuffer> buf (text.get_buffer());
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int excess = buf->get_line_count() - line_count_adjustment.get_value();
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if (excess > 0) {
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buf->erase (buf->begin(), buf->get_iter_at_line (excess));
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}
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char *str;
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while (fifo.read (&str, 1)) {
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buf->insert (buf->end(), string (str));
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buffer_pool.release (str);
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updated = true;
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}
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if (updated && autoscroll) {
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scroller.get_vadjustment()->set_value (scroller.get_vadjustment()->get_upper());
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}
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}
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void
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MidiTracer::base_toggle ()
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{
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show_hex = !base_button.get_active();
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}
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void
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MidiTracer::delta_toggle ()
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{
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show_delta_time = delta_time_button.get_active();
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}
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void
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MidiTracer::collect_toggle ()
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{
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if (collect_button.get_active ()) {
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port_changed ();
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} else {
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disconnect ();
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}
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}
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void
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MidiTracer::autoscroll_toggle ()
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{
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autoscroll = autoscroll_button.get_active ();
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}
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