DummyBackend: MIDI Event Generators

3 files changed, 884 insertions, 46 deletions

diff --git a/libs/backends/dummy/dummy_audiobackend.cc b/libs/backends/dummy/dummy_audiobackend.cc
index ce78c96321..9ec8f8e00e 100644
--- a/libs/backends/dummy/dummy_audiobackend.cc
+++ b/libs/backends/dummy/dummy_audiobackend.cc
@@ -24,6 +24,7 @@
 #include <glibmm.h>
 
 #include "dummy_audiobackend.h"
+#include "dummy_midi_seq.h"
 
 #include "pbd/error.h"
 #include "ardour/port_manager.h"
@@ -48,6 +49,7 @@ DummyAudioBackend::DummyAudioBackend (AudioEngine& e, AudioBackendInfo& info)
 	, _n_outputs (0)
 	, _n_midi_inputs (0)
 	, _n_midi_outputs (0)
+	, _enable_midi_generators (false)
 	, _systemic_input_latency (0)
 	, _systemic_output_latency (0)
 	, _processed_samples (0)
@@ -267,9 +269,11 @@ std::vector<std::string>
 DummyAudioBackend::enumerate_midi_options () const
 {
 	if (_midi_options.empty()) {
-		_midi_options.push_back (_("1 in, 1 out"));
-		_midi_options.push_back (_("2 in, 2 out"));
-		_midi_options.push_back (_("8 in, 8 out"));
+		_midi_options.push_back (_("No MIDI I/O"));
+		_midi_options.push_back (_("1 in, 1 out, Silence"));
+		_midi_options.push_back (_("2 in, 2 out, Silence"));
+		_midi_options.push_back (_("8 in, 8 out, Silence"));
+		_midi_options.push_back (_("Midi Event Generators"));
 	}
 	return _midi_options;
 }
@@ -277,15 +281,20 @@ DummyAudioBackend::enumerate_midi_options () const
 int
 DummyAudioBackend::set_midi_option (const std::string& opt)
 {
-	if (opt == _("1 in, 1 out")) {
+	_enable_midi_generators = false;
+	if (opt == _("1 in, 1 out, Silence")) {
 		_n_midi_inputs = _n_midi_outputs = 1;
 	}
-	else if (opt == _("2 in, 2 out")) {
+	else if (opt == _("2 in, 2 out, Silence")) {
 		_n_midi_inputs = _n_midi_outputs = 2;
 	}
-	else if (opt == _("8 in, 8 out")) {
+	else if (opt == _("8 in, 8 out, Silence")) {
 		_n_midi_inputs = _n_midi_outputs = 8;
 	}
+	else if (opt == _("Midi Event Generators")) {
+		_n_midi_inputs = _n_midi_outputs = NUM_MIDI_EVENT_GENERATORS;
+		_enable_midi_generators = true;
+	}
 	else {
 		_n_midi_inputs = _n_midi_outputs = 0;
 	}
@@ -322,6 +331,7 @@ DummyAudioBackend::_start (bool /*for_latency_measurement*/)
 			PBD::info << _("DummyAudioBackend: port '") << (*it)->name () << "' exists." << endmsg;
 		}
 		_system_inputs.clear();
+		_system_midi_in.clear();
 		_ports.clear();
 	}
 
@@ -672,8 +682,8 @@ DummyAudioBackend::register_system_ports()
 
 	const int a_ins = _n_inputs > 0 ? _n_inputs : 8;
 	const int a_out = _n_outputs > 0 ? _n_outputs : 8;
-	const int m_ins = _n_midi_inputs > 0 ? _n_midi_inputs : 2;
-	const int m_out = _n_midi_outputs > 0 ? _n_midi_outputs : 2;
+	const int m_ins = _n_midi_inputs;
+	const int m_out = _n_midi_outputs;
 
 	/* audio ports */
 	lr.min = lr.max = _samples_per_period + _systemic_input_latency;
@@ -704,6 +714,10 @@ DummyAudioBackend::register_system_ports()
 		PortHandle p = add_port(std::string(tmp), DataType::MIDI, static_cast<PortFlags>(IsOutput | IsPhysical | IsTerminal));
 		if (!p) return -1;
 		set_latency_range (p, false, lr);
+		_system_midi_in.push_back (static_cast<DummyMidiPort*>(p));
+		if (_enable_midi_generators) {
+			static_cast<DummyMidiPort*>(p)->setup_generator (i % NUM_MIDI_EVENT_GENERATORS, _samplerate);
+		}
 	}
 
 	lr.min = lr.max = _samples_per_period + _systemic_output_latency;
@@ -722,6 +736,7 @@ DummyAudioBackend::unregister_ports (bool system_only)
 {
 	size_t i = 0;
 	_system_inputs.clear();
+	_system_midi_in.clear();
 	while (i <  _ports.size ()) {
 		DummyPort* port = _ports[i];
 		if (! system_only || (port->is_physical () && port->is_terminal ())) {
@@ -1061,6 +1076,9 @@ DummyAudioBackend::main_process_thread ()
 		for (std::vector<DummyAudioPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it) {
 			(*it)->next_period();
 		}
+		for (std::vector<DummyMidiPort*>::const_iterator it = _system_midi_in.begin (); it != _system_midi_in.end (); ++it) {
+			(*it)->next_period();
+		}
 
 		if (engine.process_callback (_samples_per_period)) {
 			return 0;
@@ -1174,6 +1192,8 @@ DummyPort::DummyPort (DummyAudioBackend &b, const std::string& name, PortFlags f
 	: _dummy_backend (b)
 	, _name  (name)
 	, _flags (flags)
+	, _rseed (0)
+	, _gen_cycle (false)
 {
 	_capture_latency_range.min = 0;
 	_capture_latency_range.max = 0;
@@ -1295,12 +1315,41 @@ bool DummyPort::is_physically_connected () const
 	return false;
 }
 
+void DummyPort::setup_random_number_generator ()
+{
+	_rseed = g_get_monotonic_time() % UINT_MAX;
+}
+
+inline uint32_t
+DummyPort::randi ()
+{
+	// 31bit Park-Miller-Carta Pseudo-Random Number Generator
+	// http://www.firstpr.com.au/dsp/rand31/
+	uint32_t hi, lo;
+	lo = 16807 * (_rseed & 0xffff);
+	hi = 16807 * (_rseed >> 16);
+
+	lo += (hi & 0x7fff) << 16;
+	lo += hi >> 15;
+#if 1
+	lo = (lo & 0x7fffffff) + (lo >> 31);
+#else
+	if (lo > 0x7fffffff) { lo -= 0x7fffffff; }
+#endif
+	return (_rseed = lo);
+}
+
+inline float
+DummyPort::randf ()
+{
+	return (randi() / 1073741824.f) - 1.f;
+}
+
 /******************************************************************************/
 
 DummyAudioPort::DummyAudioPort (DummyAudioBackend &b, const std::string& name, PortFlags flags)
 	: DummyPort (b, name, flags)
 	, _gen_type (Silence)
-	, _gen_cycle (false)
 	, _b0 (0)
 	, _b1 (0)
 	, _b2 (0)
@@ -1324,8 +1373,8 @@ DummyAudioPort::~DummyAudioPort () {
 
 void DummyAudioPort::setup_generator (GeneratorType const g, float const samplerate)
 {
+	DummyPort::setup_random_number_generator();
 	_gen_type = g;
-	_rseed = g_get_monotonic_time() % UINT_MAX;
 
 	switch (_gen_type) {
 		case PinkNoise:
@@ -1346,31 +1395,6 @@ void DummyAudioPort::setup_generator (GeneratorType const g, float const sampler
 	}
 }
 
-inline uint32_t
-DummyAudioPort::randi ()
-{
-	// 31bit Park-Miller-Carta Pseudo-Random Number Generator
-	// http://www.firstpr.com.au/dsp/rand31/
-	uint32_t hi, lo;
-	lo = 16807 * (_rseed & 0xffff);
-	hi = 16807 * (_rseed >> 16);
-
-	lo += (hi & 0x7fff) << 16;
-	lo += hi >> 15;
-#if 1
-	lo = (lo & 0x7fffffff) + (lo >> 31);
-#else
-	if (lo > 0x7fffffff) { lo -= 0x7fffffff; }
-#endif
-	return (_rseed = lo);
-}
-
-inline float
-DummyAudioPort::randf ()
-{
-	return (randi() / 1073741824.f) - 1.f;
-}
-
 float DummyAudioPort::grandf ()
 {
 	// Gaussian White Noise
@@ -1500,6 +1524,9 @@ void* DummyAudioPort::get_buffer (pframes_t n_samples)
 
 DummyMidiPort::DummyMidiPort (DummyAudioBackend &b, const std::string& name, PortFlags flags)
 	: DummyPort (b, name, flags)
+	, _midi_seq_spb (0)
+	, _midi_seq_time (0)
+	, _midi_seq_pos (0)
 {
 	_buffer.clear ();
 }
@@ -1512,13 +1539,75 @@ struct MidiEventSorter {
 	}
 };
 
-void* DummyMidiPort::get_buffer (pframes_t /* nframes */)
+void DummyMidiPort::setup_generator (int seq_id, const float sr)
+{
+	DummyPort::setup_random_number_generator();
+	switch (seq_id) {
+		case 1:
+			_midi_seq_dat = DummyMidiData::s1;
+			break;
+		case 2:
+			_midi_seq_dat = DummyMidiData::s2;
+			break;
+		case 3:
+			_midi_seq_dat = DummyMidiData::s3;
+			break;
+		default:
+			_midi_seq_dat = DummyMidiData::s0;
+			break;
+	}
+	_midi_seq_spb = sr * .5; // 120 BPM, beat_time 1.0 per beat.
+	_midi_seq_pos = 0;
+	_midi_seq_time = 0;
+}
+
+void DummyMidiPort::midi_generate (const pframes_t n_samples)
+{
+	Glib::Threads::Mutex::Lock lm (generator_lock);
+	if (_gen_cycle) {
+		return;
+	}
+
+	_buffer.clear ();
+	_gen_cycle = true;
+
+	if (_midi_seq_spb == 0 || !_midi_seq_dat) {
+		return;
+	}
+
+	while (1) {
+		const int32_t ev_beat_time = _midi_seq_dat[_midi_seq_pos].beat_time * _midi_seq_spb - _midi_seq_time;
+		if (ev_beat_time < 0) {
+			break;
+		}
+		if ((pframes_t) ev_beat_time >= n_samples) {
+			break;
+		}
+		_buffer.push_back (boost::shared_ptr<DummyMidiEvent>(new DummyMidiEvent (
+						ev_beat_time, _midi_seq_dat[_midi_seq_pos].event, 3
+						)));
+		++_midi_seq_pos;
+
+		if (_midi_seq_dat[_midi_seq_pos].event[0] == 0xff && _midi_seq_dat[_midi_seq_pos].event[1] == 0xff) {
+			_midi_seq_time -= _midi_seq_dat[_midi_seq_pos].beat_time * _midi_seq_spb;
+			_midi_seq_pos = 0;
+		}
+	}
+	_midi_seq_time += n_samples;
+}
+
+
+void* DummyMidiPort::get_buffer (pframes_t n_samples)
 {
 	if (is_input ()) {
 		_buffer.clear ();
 		for (std::vector<DummyPort*>::const_iterator i = get_connections ().begin ();
 				i != get_connections ().end ();
 				++i) {
+			DummyMidiPort * source = static_cast<DummyMidiPort*>(*i);
+			if (source->is_physical() && source->is_terminal()) {
+				source->get_buffer(n_samples); // generate signal.
+			}
 			const DummyMidiBuffer src = static_cast<const DummyMidiPort*>(*i)->const_buffer ();
 			for (DummyMidiBuffer::const_iterator it = src.begin (); it != src.end (); ++it) {
 				_buffer.push_back (boost::shared_ptr<DummyMidiEvent>(new DummyMidiEvent (**it)));
@@ -1526,7 +1615,9 @@ void* DummyMidiPort::get_buffer (pframes_t /* nframes */)
 		}
 		std::sort (_buffer.begin (), _buffer.end (), MidiEventSorter());
 	} else if (is_output () && is_physical () && is_terminal()) {
-		_buffer.clear ();
+		if (!_gen_cycle) {
+			midi_generate(n_samples);
+		}
 	}
 	return &_buffer;
 }
diff --git a/libs/backends/dummy/dummy_audiobackend.h b/libs/backends/dummy/dummy_audiobackend.h
index b28a464e3c..04a9cf4348 100644
--- a/libs/backends/dummy/dummy_audiobackend.h
+++ b/libs/backends/dummy/dummy_audiobackend.h
@@ -37,6 +37,13 @@ namespace ARDOUR {
 
 class DummyAudioBackend;
 
+namespace DummyMidiData {
+	typedef struct _MIDISequence {
+		float   beat_time;
+		uint8_t event[3];
+	} MIDISequence;
+};
+
 class DummyMidiEvent {
 	public:
 		DummyMidiEvent (const pframes_t timestamp, const uint8_t* data, size_t size);
@@ -83,6 +90,7 @@ class DummyPort {
 		void disconnect_all ();
 
 		virtual void* get_buffer (pframes_t nframes) = 0;
+		void next_period () { _gen_cycle = false; }
 
 		const LatencyRange& latency_range (bool for_playback) const
 		{
@@ -112,6 +120,17 @@ class DummyPort {
 		void _connect (DummyPort* , bool);
 		void _disconnect (DummyPort* , bool);
 
+	protected:
+		// random number generator
+		void setup_random_number_generator ();
+		inline float    randf ();
+		inline uint32_t randi ();
+		uint32_t _rseed;
+
+		// signal generator
+		volatile bool _gen_cycle;
+		Glib::Threads::Mutex generator_lock;
+
 }; // class DummyPort
 
 class DummyAudioPort : public DummyPort {
@@ -133,7 +152,6 @@ class DummyAudioPort : public DummyPort {
 			PonyNoise,
 			SineWave,
 		};
-		void next_period () { _gen_cycle = false; }
 		void setup_generator (GeneratorType const, float const);
 
 	private:
@@ -142,8 +160,6 @@ class DummyAudioPort : public DummyPort {
 		// signal generator ('fake' physical inputs)
 		void generate (const pframes_t n_samples);
 		GeneratorType _gen_type;
-		Glib::Threads::Mutex generator_lock;
-		volatile bool _gen_cycle;
 
 		// generator buffers
 		// pink-noise filters
@@ -153,11 +169,6 @@ class DummyAudioPort : public DummyPort {
 		uint32_t _tbl_length;
 		uint32_t _tbl_offset;
 
-		// random number generator
-		inline float    randf ();
-		inline uint32_t randi ();
-		uint32_t _rseed;
-
 		// gaussian noise generator
 		float grandf ();
 		bool _pass;
@@ -175,8 +186,17 @@ class DummyMidiPort : public DummyPort {
 		void* get_buffer (pframes_t nframes);
 		const DummyMidiBuffer const_buffer () const { return _buffer; }
 
+		void setup_generator (int, float const);
+
 	private:
 		DummyMidiBuffer _buffer;
+
+		// midi event generator ('fake' physical inputs)
+		void midi_generate (const pframes_t n_samples);
+		float   _midi_seq_spb; // samples per beat
+		int32_t _midi_seq_time;
+		uint32_t _midi_seq_pos;
+		DummyMidiData::MIDISequence const * _midi_seq_dat;
 }; // class DummyMidiPort
 
 class DummyAudioBackend : public AudioBackend {
@@ -346,6 +366,7 @@ class DummyAudioBackend : public AudioBackend {
 
 		uint32_t _n_midi_inputs;
 		uint32_t _n_midi_outputs;
+		bool     _enable_midi_generators;
 
 		uint32_t _systemic_input_latency;
 		uint32_t _systemic_output_latency;
@@ -373,9 +394,9 @@ class DummyAudioBackend : public AudioBackend {
 		void unregister_ports (bool system_only = false);
 
 		std::vector<DummyAudioPort *> _system_inputs;
+		std::vector<DummyMidiPort *> _system_midi_in;
 		std::vector<DummyPort *> _ports;
 
-
 		struct PortConnectData {
 			std::string a;
 			std::string b;
diff --git a/libs/backends/dummy/dummy_midi_seq.h b/libs/backends/dummy/dummy_midi_seq.h
new file mode 100644
index 0000000000..1ca27b87fa
--- /dev/null
+++ b/libs/backends/dummy/dummy_midi_seq.h
@@ -0,0 +1,726 @@
+/*
+ * Copyright (C) 2014 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __libbackend_dummy_midi_seq_h__
+#define __libbackend_dummy_midi_seq_h__
+
+#include "dummy_audiobackend.h"
+
+namespace ARDOUR { namespace DummyMidiData {
+
+#define NUM_MIDI_EVENT_GENERATORS 4
+
+const MIDISequence s0[] = { // some arbitrary short sequence
+	{ 0.00, {0x90,  64, 0x7f} },
+	{ 0.50, {0x80,  64, 0x00} },
+	{ 1.00, {0x90,  66, 0x7f} },
+	{ 1.50, {0x80,  66, 0x00} },
+	{ 2.00, {0x90,  68, 0x7f} },
+	{ 3.50, {0x80,  68, 0x00} },
+	{ 3.75, {0x90,  71, 0x7f} },
+	{ 4.00, {0x80,  71, 0x00} },
+	{ 4.00, {0xff, 255, 0xff} }, // sentinel
+};
+
+const MIDISequence s1[] = {  // Cmaj7 - iterate all channels
+	{ 0.00, {0x90,  60, 0x7f} },
+	{ 0.25, {0x90,  64, 0x7f} },
+	{ 0.50, {0x90,  67, 0x7f} },
+	{ 0.75, {0x90,  71, 0x7f} },
+	{ 1.00, {0x90,  72, 0x7f} },
+	{ 1.00, {0x80,  60, 0x00} },
+	{ 1.25, {0x80,  64, 0x00} },
+	{ 1.50, {0x80,  67, 0x00} },
+	{ 1.75, {0x80,  71, 0x00} },
+	{ 2.00, {0x80,  72, 0x00} },
+	{ 2.00, {0x91,  60, 0x7f} },
+	{ 2.25, {0x91,  64, 0x7f} },
+	{ 2.50, {0x91,  67, 0x7f} },
+	{ 2.75, {0x91,  71, 0x7f} },
+	{ 3.00, {0x91,  72, 0x7f} },
+	{ 3.00, {0x81,  60, 0x00} },
+	{ 3.25, {0x81,  64, 0x00} },
+	{ 3.50, {0x81,  67, 0x00} },
+	{ 3.75, {0x81,  71, 0x00} },
+	{ 4.00, {0x81,  72, 0x00} },
+	{ 4.00, {0x92,  60, 0x7f} },
+	{ 4.25, {0x92,  64, 0x7f} },
+	{ 4.50, {0x92,  67, 0x7f} },
+	{ 4.75, {0x92,  71, 0x7f} },
+	{ 5.00, {0x92,  72, 0x7f} },
+	{ 5.00, {0x82,  60, 0x00} },
+	{ 5.25, {0x82,  64, 0x00} },
+	{ 5.50, {0x82,  67, 0x00} },
+	{ 5.75, {0x82,  71, 0x00} },
+	{ 6.00, {0x82,  72, 0x00} },
+	{ 6.00, {0x93,  60, 0x7f} },
+	{ 6.25, {0x93,  64, 0x7f} },
+	{ 6.50, {0x93,  67, 0x7f} },
+	{ 6.75, {0x93,  71, 0x7f} },
+	{ 7.00, {0x93,  72, 0x7f} },
+	{ 7.00, {0x83,  60, 0x00} },
+	{ 7.25, {0x83,  64, 0x00} },
+	{ 7.50, {0x83,  67, 0x00} },
+	{ 7.75, {0x83,  71, 0x00} },
+	{ 8.00, {0x83,  72, 0x00} },
+	{ 8.00, {0x94,  60, 0x7f} },
+	{ 8.25, {0x94,  64, 0x7f} },
+	{ 8.50, {0x94,  67, 0x7f} },
+	{ 8.75, {0x94,  71, 0x7f} },
+	{ 9.00, {0x94,  72, 0x7f} },
+	{ 9.00, {0x84,  60, 0x00} },
+	{ 9.25, {0x84,  64, 0x00} },
+	{ 9.50, {0x84,  67, 0x00} },
+	{ 9.75, {0x84,  71, 0x00} },
+	{10.00, {0x84,  72, 0x00} },
+	{10.00, {0x95,  60, 0x7f} },
+	{10.25, {0x95,  64, 0x7f} },
+	{10.50, {0x95,  67, 0x7f} },
+	{10.75, {0x95,  71, 0x7f} },
+	{11.00, {0x95,  72, 0x7f} },
+	{11.00, {0x85,  60, 0x00} },
+	{11.25, {0x85,  64, 0x00} },
+	{11.50, {0x85,  67, 0x00} },
+	{11.75, {0x85,  71, 0x00} },
+	{12.00, {0x85,  72, 0x00} },
+	{12.00, {0x96,  60, 0x7f} },
+	{12.25, {0x96,  64, 0x7f} },
+	{12.50, {0x96,  67, 0x7f} },
+	{12.75, {0x96,  71, 0x7f} },
+	{13.00, {0x96,  72, 0x7f} },
+	{13.00, {0x86,  60, 0x00} },
+	{13.25, {0x86,  64, 0x00} },
+	{13.50, {0x86,  67, 0x00} },
+	{13.75, {0x86,  71, 0x00} },
+	{14.00, {0x86,  72, 0x00} },
+	{14.00, {0x97,  60, 0x7f} },
+	{14.25, {0x97,  64, 0x7f} },
+	{14.50, {0x97,  67, 0x7f} },
+	{14.75, {0x97,  71, 0x7f} },
+	{15.00, {0x97,  72, 0x7f} },
+	{15.00, {0x87,  60, 0x00} },
+	{15.25, {0x87,  64, 0x00} },
+	{15.50, {0x87,  67, 0x00} },
+	{15.75, {0x87,  71, 0x00} },
+	{16.00, {0x87,  72, 0x00} },
+	{16.00, {0x98,  60, 0x7f} },
+	{16.25, {0x98,  64, 0x7f} },
+	{16.50, {0x98,  67, 0x7f} },
+	{16.75, {0x98,  71, 0x7f} },
+	{17.00, {0x98,  72, 0x7f} },
+	{17.00, {0x88,  60, 0x00} },
+	{17.25, {0x88,  64, 0x00} },
+	{17.50, {0x88,  67, 0x00} },
+	{17.75, {0x88,  71, 0x00} },
+	{18.00, {0x88,  72, 0x00} },
+	{18.00, {0x99,  60, 0x7f} },
+	{18.25, {0x99,  64, 0x7f} },
+	{18.50, {0x99,  67, 0x7f} },
+	{18.75, {0x99,  71, 0x7f} },
+	{19.00, {0x99,  72, 0x7f} },
+	{19.00, {0x89,  60, 0x00} },
+	{19.25, {0x89,  64, 0x00} },
+	{19.50, {0x89,  67, 0x00} },
+	{19.75, {0x89,  71, 0x00} },
+	{20.00, {0x89,  72, 0x00} },
+	{20.00, {0x9a,  60, 0x7f} },
+	{20.25, {0x9a,  64, 0x7f} },
+	{20.50, {0x9a,  67, 0x7f} },
+	{20.75, {0x9a,  71, 0x7f} },
+	{21.00, {0x9a,  72, 0x7f} },
+	{21.00, {0x8a,  60, 0x00} },
+	{21.25, {0x8a,  64, 0x00} },
+	{21.50, {0x8a,  67, 0x00} },
+	{21.75, {0x8a,  71, 0x00} },
+	{22.00, {0x8a,  72, 0x00} },
+	{22.00, {0x9b,  60, 0x7f} },
+	{22.25, {0x9b,  64, 0x7f} },
+	{22.50, {0x9b,  67, 0x7f} },
+	{22.75, {0x9b,  71, 0x7f} },
+	{23.00, {0x9b,  72, 0x7f} },
+	{23.00, {0x8b,  60, 0x00} },
+	{23.25, {0x8b,  64, 0x00} },
+	{23.50, {0x8b,  67, 0x00} },
+	{23.75, {0x8b,  71, 0x00} },
+	{24.00, {0x8b,  72, 0x00} },
+	{24.00, {0x9c,  60, 0x7f} },
+	{24.25, {0x9c,  64, 0x7f} },
+	{24.50, {0x9c,  67, 0x7f} },
+	{24.75, {0x9c,  71, 0x7f} },
+	{25.00, {0x9c,  72, 0x7f} },
+	{25.00, {0x8c,  60, 0x00} },
+	{25.25, {0x8c,  64, 0x00} },
+	{25.50, {0x8c,  67, 0x00} },
+	{25.75, {0x8c,  71, 0x00} },
+	{26.00, {0x8c,  72, 0x00} },
+	{26.00, {0x9d,  60, 0x7f} },
+	{26.25, {0x9d,  64, 0x7f} },
+	{26.50, {0x9d,  67, 0x7f} },
+	{26.75, {0x9d,  71, 0x7f} },
+	{27.00, {0x9d,  72, 0x7f} },
+	{27.00, {0x8d,  60, 0x00} },
+	{27.25, {0x8d,  64, 0x00} },
+	{27.50, {0x8d,  67, 0x00} },
+	{27.75, {0x8d,  71, 0x00} },
+	{28.00, {0x8d,  72, 0x00} },
+	{28.00, {0x9e,  60, 0x7f} },
+	{28.25, {0x9e,  64, 0x7f} },
+	{28.50, {0x9e,  67, 0x7f} },
+	{28.75, {0x9e,  71, 0x7f} },
+	{29.00, {0x9e,  72, 0x7f} },
+	{29.00, {0x8e,  60, 0x00} },
+	{29.25, {0x8e,  64, 0x00} },
+	{29.50, {0x8e,  67, 0x00} },
+	{29.75, {0x8e,  71, 0x00} },
+	{30.00, {0x8e,  72, 0x00} },
+	{30.00, {0x9f,  60, 0x7f} },
+	{30.25, {0x9f,  64, 0x7f} },
+	{30.50, {0x9f,  67, 0x7f} },
+	{30.75, {0x9f,  71, 0x7f} },
+	{31.00, {0x9f,  72, 0x7f} },
+	{31.00, {0x8f,  60, 0x00} },
+	{31.25, {0x8f,  64, 0x00} },
+	{31.50, {0x8f,  67, 0x00} },
+	{31.75, {0x8f,  71, 0x00} },
+	{32.00, {0x8f,  72, 0x00} },
+	{32.00, {0xff, 255, 0xff} }, // sentinel
+};
+
+const MIDISequence s2[] = { // channel 1, sweep all notes
+	{ 0.00, {0x90,   0, 0x7f} },
+	{ 0.25, {0x80,   0, 0x00} },
+	{ 0.25, {0x90,   1, 0x7f} },
+	{ 0.50, {0x80,   1, 0x00} },
+	{ 0.50, {0x90,   2, 0x7f} },
+	{ 0.75, {0x80,   2, 0x00} },
+	{ 0.75, {0x90,   3, 0x7f} },
+	{ 1.00, {0x80,   3, 0x00} },
+	{ 1.00, {0x90,   4, 0x7f} },
+	{ 1.25, {0x80,   4, 0x00} },
+	{ 1.25, {0x90,   5, 0x7f} },
+	{ 1.50, {0x80,   5, 0x00} },
+	{ 1.50, {0x90,   6, 0x7f} },
+	{ 1.75, {0x80,   6, 0x00} },
+	{ 1.75, {0x90,   7, 0x7f} },
+	{ 2.00, {0x80,   7, 0x00} },
+	{ 2.00, {0x90,   8, 0x7f} },
+	{ 2.25, {0x80,   8, 0x00} },
+	{ 2.25, {0x90,   9, 0x7f} },
+	{ 2.50, {0x80,   9, 0x00} },
+	{ 2.50, {0x90,  10, 0x7f} },
+	{ 2.75, {0x80,  10, 0x00} },
+	{ 2.75, {0x90,  11, 0x7f} },
+	{ 3.00, {0x80,  11, 0x00} },
+	{ 3.00, {0x90,  12, 0x7f} },
+	{ 3.25, {0x80,  12, 0x00} },
+	{ 3.25, {0x90,  13, 0x7f} },
+	{ 3.50, {0x80,  13, 0x00} },
+	{ 3.50, {0x90,  14, 0x7f} },
+	{ 3.75, {0x80,  14, 0x00} },
+	{ 3.75, {0x90,  15, 0x7f} },
+	{ 4.00, {0x80,  15, 0x00} },
+	{ 4.00, {0x90,  16, 0x7f} },
+	{ 4.25, {0x80,  16, 0x00} },
+	{ 4.25, {0x90,  17, 0x7f} },
+	{ 4.50, {0x80,  17, 0x00} },
+	{ 4.50, {0x90,  18, 0x7f} },
+	{ 4.75, {0x80,  18, 0x00} },
+	{ 4.75, {0x90,  19, 0x7f} },
+	{ 5.00, {0x80,  19, 0x00} },
+	{ 5.00, {0x90,  20, 0x7f} },
+	{ 5.25, {0x80,  20, 0x00} },
+	{ 5.25, {0x90,  21, 0x7f} },
+	{ 5.50, {0x80,  21, 0x00} },
+	{ 5.50, {0x90,  22, 0x7f} },
+	{ 5.75, {0x80,  22, 0x00} },
+	{ 5.75, {0x90,  23, 0x7f} },
+	{ 6.00, {0x80,  23, 0x00} },
+	{ 6.00, {0x90,  24, 0x7f} },
+	{ 6.25, {0x80,  24, 0x00} },
+	{ 6.25, {0x90,  25, 0x7f} },
+	{ 6.50, {0x80,  25, 0x00} },
+	{ 6.50, {0x90,  26, 0x7f} },
+	{ 6.75, {0x80,  26, 0x00} },
+	{ 6.75, {0x90,  27, 0x7f} },
+	{ 7.00, {0x80,  27, 0x00} },
+	{ 7.00, {0x90,  28, 0x7f} },
+	{ 7.25, {0x80,  28, 0x00} },
+	{ 7.25, {0x90,  29, 0x7f} },
+	{ 7.50, {0x80,  29, 0x00} },
+	{ 7.50, {0x90,  30, 0x7f} },
+	{ 7.75, {0x80,  30, 0x00} },
+	{ 7.75, {0x90,  31, 0x7f} },
+	{ 8.00, {0x80,  31, 0x00} },
+	{ 8.00, {0x90,  32, 0x7f} },
+	{ 8.25, {0x80,  32, 0x00} },
+	{ 8.25, {0x90,  33, 0x7f} },
+	{ 8.50, {0x80,  33, 0x00} },
+	{ 8.50, {0x90,  34, 0x7f} },
+	{ 8.75, {0x80,  34, 0x00} },
+	{ 8.75, {0x90,  35, 0x7f} },
+	{ 9.00, {0x80,  35, 0x00} },
+	{ 9.00, {0x90,  36, 0x7f} },
+	{ 9.25, {0x80,  36, 0x00} },
+	{ 9.25, {0x90,  37, 0x7f} },
+	{ 9.50, {0x80,  37, 0x00} },
+	{ 9.50, {0x90,  38, 0x7f} },
+	{ 9.75, {0x80,  38, 0x00} },
+	{ 9.75, {0x90,  39, 0x7f} },
+	{10.00, {0x80,  39, 0x00} },
+	{10.00, {0x90,  40, 0x7f} },
+	{10.25, {0x80,  40, 0x00} },
+	{10.25, {0x90,  41, 0x7f} },
+	{10.50, {0x80,  41, 0x00} },
+	{10.50, {0x90,  42, 0x7f} },
+	{10.75, {0x80,  42, 0x00} },
+	{10.75, {0x90,  43, 0x7f} },
+	{11.00, {0x80,  43, 0x00} },
+	{11.00, {0x90,  44, 0x7f} },
+	{11.25, {0x80,  44, 0x00} },
+	{11.25, {0x90,  45, 0x7f} },
+	{11.50, {0x80,  45, 0x00} },
+	{11.50, {0x90,  46, 0x7f} },
+	{11.75, {0x80,  46, 0x00} },
+	{11.75, {0x90,  47, 0x7f} },
+	{12.00, {0x80,  47, 0x00} },
+	{12.00, {0x90,  48, 0x7f} },
+	{12.25, {0x80,  48, 0x00} },
+	{12.25, {0x90,  49, 0x7f} },
+	{12.50, {0x80,  49, 0x00} },
+	{12.50, {0x90,  50, 0x7f} },
+	{12.75, {0x80,  50, 0x00} },
+	{12.75, {0x90,  51, 0x7f} },
+	{13.00, {0x80,  51, 0x00} },
+	{13.00, {0x90,  52, 0x7f} },
+	{13.25, {0x80,  52, 0x00} },
+	{13.25, {0x90,  53, 0x7f} },
+	{13.50, {0x80,  53, 0x00} },
+	{13.50, {0x90,  54, 0x7f} },
+	{13.75, {0x80,  54, 0x00} },
+	{13.75, {0x90,  55, 0x7f} },
+	{14.00, {0x80,  55, 0x00} },
+	{14.00, {0x90,  56, 0x7f} },
+	{14.25, {0x80,  56, 0x00} },
+	{14.25, {0x90,  57, 0x7f} },
+	{14.50, {0x80,  57, 0x00} },
+	{14.50, {0x90,  58, 0x7f} },
+	{14.75, {0x80,  58, 0x00} },
+	{14.75, {0x90,  59, 0x7f} },
+	{15.00, {0x80,  59, 0x00} },
+	{15.00, {0x90,  60, 0x7f} },
+	{15.25, {0x80,  60, 0x00} },
+	{15.25, {0x90,  61, 0x7f} },
+	{15.50, {0x80,  61, 0x00} },
+	{15.50, {0x90,  62, 0x7f} },
+	{15.75, {0x80,  62, 0x00} },
+	{15.75, {0x90,  63, 0x7f} },
+	{16.00, {0x80,  63, 0x00} },
+	{16.00, {0x90,  64, 0x7f} },
+	{16.25, {0x80,  64, 0x00} },
+	{16.25, {0x90,  65, 0x7f} },
+	{16.50, {0x80,  65, 0x00} },
+	{16.50, {0x90,  66, 0x7f} },
+	{16.75, {0x80,  66, 0x00} },
+	{16.75, {0x90,  67, 0x7f} },
+	{17.00, {0x80,  67, 0x00} },
+	{17.00, {0x90,  68, 0x7f} },
+	{17.25, {0x80,  68, 0x00} },
+	{17.25, {0x90,  69, 0x7f} },
+	{17.50, {0x80,  69, 0x00} },
+	{17.50, {0x90,  70, 0x7f} },
+	{17.75, {0x80,  70, 0x00} },
+	{17.75, {0x90,  71, 0x7f} },
+	{18.00, {0x80,  71, 0x00} },
+	{18.00, {0x90,  72, 0x7f} },
+	{18.25, {0x80,  72, 0x00} },
+	{18.25, {0x90,  73, 0x7f} },
+	{18.50, {0x80,  73, 0x00} },
+	{18.50, {0x90,  74, 0x7f} },
+	{18.75, {0x80,  74, 0x00} },
+	{18.75, {0x90,  75, 0x7f} },
+	{19.00, {0x80,  75, 0x00} },
+	{19.00, {0x90,  76, 0x7f} },
+	{19.25, {0x80,  76, 0x00} },
+	{19.25, {0x90,  77, 0x7f} },
+	{19.50, {0x80,  77, 0x00} },
+	{19.50, {0x90,  78, 0x7f} },
+	{19.75, {0x80,  78, 0x00} },
+	{19.75, {0x90,  79, 0x7f} },
+	{20.00, {0x80,  79, 0x00} },
+	{20.00, {0x90,  80, 0x7f} },
+	{20.25, {0x80,  80, 0x00} },
+	{20.25, {0x90,  81, 0x7f} },
+	{20.50, {0x80,  81, 0x00} },
+	{20.50, {0x90,  82, 0x7f} },
+	{20.75, {0x80,  82, 0x00} },
+	{20.75, {0x90,  83, 0x7f} },
+	{21.00, {0x80,  83, 0x00} },
+	{21.00, {0x90,  84, 0x7f} },
+	{21.25, {0x80,  84, 0x00} },
+	{21.25, {0x90,  85, 0x7f} },
+	{21.50, {0x80,  85, 0x00} },
+	{21.50, {0x90,  86, 0x7f} },
+	{21.75, {0x80,  86, 0x00} },
+	{21.75, {0x90,  87, 0x7f} },
+	{22.00, {0x80,  87, 0x00} },
+	{22.00, {0x90,  88, 0x7f} },
+	{22.25, {0x80,  88, 0x00} },
+	{22.25, {0x90,  89, 0x7f} },
+	{22.50, {0x80,  89, 0x00} },
+	{22.50, {0x90,  90, 0x7f} },
+	{22.75, {0x80,  90, 0x00} },
+	{22.75, {0x90,  91, 0x7f} },
+	{23.00, {0x80,  91, 0x00} },
+	{23.00, {0x90,  92, 0x7f} },
+	{23.25, {0x80,  92, 0x00} },
+	{23.25, {0x90,  93, 0x7f} },
+	{23.50, {0x80,  93, 0x00} },
+	{23.50, {0x90,  94, 0x7f} },
+	{23.75, {0x80,  94, 0x00} },
+	{23.75, {0x90,  95, 0x7f} },
+	{24.00, {0x80,  95, 0x00} },
+	{24.00, {0x90,  96, 0x7f} },
+	{24.25, {0x80,  96, 0x00} },
+	{24.25, {0x90,  97, 0x7f} },
+	{24.50, {0x80,  97, 0x00} },
+	{24.50, {0x90,  98, 0x7f} },
+	{24.75, {0x80,  98, 0x00} },
+	{24.75, {0x90,  99, 0x7f} },
+	{25.00, {0x80,  99, 0x00} },
+	{25.00, {0x90, 100, 0x7f} },
+	{25.25, {0x80, 100, 0x00} },
+	{25.25, {0x90, 101, 0x7f} },
+	{25.50, {0x80, 101, 0x00} },
+	{25.50, {0x90, 102, 0x7f} },
+	{25.75, {0x80, 102, 0x00} },
+	{25.75, {0x90, 103, 0x7f} },
+	{26.00, {0x80, 103, 0x00} },
+	{26.00, {0x90, 104, 0x7f} },
+	{26.25, {0x80, 104, 0x00} },
+	{26.25, {0x90, 105, 0x7f} },
+	{26.50, {0x80, 105, 0x00} },
+	{26.50, {0x90, 106, 0x7f} },
+	{26.75, {0x80, 106, 0x00} },
+	{26.75, {0x90, 107, 0x7f} },
+	{27.00, {0x80, 107, 0x00} },
+	{27.00, {0x90, 108, 0x7f} },
+	{27.25, {0x80, 108, 0x00} },
+	{27.25, {0x90, 109, 0x7f} },
+	{27.50, {0x80, 109, 0x00} },
+	{27.50, {0x90, 110, 0x7f} },
+	{27.75, {0x80, 110, 0x00} },
+	{27.75, {0x90, 111, 0x7f} },
+	{28.00, {0x80, 111, 0x00} },
+	{28.00, {0x90, 112, 0x7f} },
+	{28.25, {0x80, 112, 0x00} },
+	{28.25, {0x90, 113, 0x7f} },
+	{28.50, {0x80, 113, 0x00} },
+	{28.50, {0x90, 114, 0x7f} },
+	{28.75, {0x80, 114, 0x00} },
+	{28.75, {0x90, 115, 0x7f} },
+	{29.00, {0x80, 115, 0x00} },
+	{29.00, {0x90, 116, 0x7f} },
+	{29.25, {0x80, 116, 0x00} },
+	{29.25, {0x90, 117, 0x7f} },
+	{29.50, {0x80, 117, 0x00} },
+	{29.50, {0x90, 118, 0x7f} },
+	{29.75, {0x80, 118, 0x00} },
+	{29.75, {0x90, 119, 0x7f} },
+	{30.00, {0x80, 119, 0x00} },
+	{30.00, {0x90, 120, 0x7f} },
+	{30.25, {0x80, 120, 0x00} },
+	{30.25, {0x90, 121, 0x7f} },
+	{30.50, {0x80, 121, 0x00} },
+	{30.50, {0x90, 122, 0x7f} },
+	{30.75, {0x80, 122, 0x00} },
+	{30.75, {0x90, 123, 0x7f} },
+	{31.00, {0x80, 123, 0x00} },
+	{31.00, {0x90, 124, 0x7f} },
+	{31.25, {0x80, 124, 0x00} },
+	{31.25, {0x90, 125, 0x7f} },
+	{31.50, {0x80, 125, 0x00} },
+	{31.50, {0x90, 126, 0x7f} },
+	{31.75, {0x80, 126, 0x00} },
+	{31.75, {0x90, 127, 0x7f} },
+	{32.00, {0x80, 127, 0x00} },
+	{32.00, {0xff, 255, 0xff} }, // sentinel
+};
+
+const MIDISequence s3[] = { // velocity sweep
+	{ 0.000, {0x90, 60, 0x00} },
+	{ 0.125, {0x80, 60, 0x00} },
+	{ 0.125, {0x90, 61, 0x01} },
+	{ 0.250, {0x80, 61, 0x00} },
+	{ 0.250, {0x90, 60, 0x02} },
+	{ 0.375, {0x80, 60, 0x00} },
+	{ 0.375, {0x90, 61, 0x03} },
+	{ 0.500, {0x80, 61, 0x00} },
+	{ 0.500, {0x90, 60, 0x04} },
+	{ 0.625, {0x80, 60, 0x00} },
+	{ 0.625, {0x90, 61, 0x05} },
+	{ 0.750, {0x80, 61, 0x00} },
+	{ 0.750, {0x90, 60, 0x06} },
+	{ 0.875, {0x80, 60, 0x00} },
+	{ 0.875, {0x90, 61, 0x07} },
+	{ 1.000, {0x80, 61, 0x00} },
+	{ 1.000, {0x90, 60, 0x08} },
+	{ 1.125, {0x80, 60, 0x00} },
+	{ 1.125, {0x90, 61, 0x09} },
+	{ 1.250, {0x80, 61, 0x00} },
+	{ 1.250, {0x90, 60, 0x0a} },
+	{ 1.375, {0x80, 60, 0x00} },
+	{ 1.375, {0x90, 61, 0x0b} },
+	{ 1.500, {0x80, 61, 0x00} },
+	{ 1.500, {0x90, 60, 0x0c} },
+	{ 1.625, {0x80, 60, 0x00} },
+	{ 1.625, {0x90, 61, 0x0d} },
+	{ 1.750, {0x80, 61, 0x00} },
+	{ 1.750, {0x90, 60, 0x0e} },
+	{ 1.875, {0x80, 60, 0x00} },
+	{ 1.875, {0x90, 61, 0x0f} },
+	{ 2.000, {0x80, 61, 0x00} },
+	{ 2.000, {0x90, 60, 0x10} },
+	{ 2.125, {0x80, 60, 0x00} },
+	{ 2.125, {0x90, 61, 0x11} },
+	{ 2.250, {0x80, 61, 0x00} },
+	{ 2.250, {0x90, 60, 0x12} },
+	{ 2.375, {0x80, 60, 0x00} },
+	{ 2.375, {0x90, 61, 0x13} },
+	{ 2.500, {0x80, 61, 0x00} },
+	{ 2.500, {0x90, 60, 0x14} },
+	{ 2.625, {0x80, 60, 0x00} },
+	{ 2.625, {0x90, 61, 0x15} },
+	{ 2.750, {0x80, 61, 0x00} },
+	{ 2.750, {0x90, 60, 0x16} },
+	{ 2.875, {0x80, 60, 0x00} },
+	{ 2.875, {0x90, 61, 0x17} },
+	{ 3.000, {0x80, 61, 0x00} },
+	{ 3.000, {0x90, 60, 0x18} },
+	{ 3.125, {0x80, 60, 0x00} },
+	{ 3.125, {0x90, 61, 0x19} },
+	{ 3.250, {0x80, 61, 0x00} },
+	{ 3.250, {0x90, 60, 0x1a} },
+	{ 3.375, {0x80, 60, 0x00} },
+	{ 3.375, {0x90, 61, 0x1b} },
+	{ 3.500, {0x80, 61, 0x00} },
+	{ 3.500, {0x90, 60, 0x1c} },
+	{ 3.625, {0x80, 60, 0x00} },
+	{ 3.625, {0x90, 61, 0x1d} },
+	{ 3.750, {0x80, 61, 0x00} },
+	{ 3.750, {0x90, 60, 0x1e} },
+	{ 3.875, {0x80, 60, 0x00} },
+	{ 3.875, {0x90, 61, 0x1f} },
+	{ 4.000, {0x80, 61, 0x00} },
+	{ 4.000, {0x90, 60, 0x20} },
+	{ 4.125, {0x80, 60, 0x00} },
+	{ 4.125, {0x90, 61, 0x21} },
+	{ 4.250, {0x80, 61, 0x00} },
+	{ 4.250, {0x90, 60, 0x22} },
+	{ 4.375, {0x80, 60, 0x00} },
+	{ 4.375, {0x90, 61, 0x23} },
+	{ 4.500, {0x80, 61, 0x00} },
+	{ 4.500, {0x90, 60, 0x24} },
+	{ 4.625, {0x80, 60, 0x00} },
+	{ 4.625, {0x90, 61, 0x25} },
+	{ 4.750, {0x80, 61, 0x00} },
+	{ 4.750, {0x90, 60, 0x26} },
+	{ 4.875, {0x80, 60, 0x00} },
+	{ 4.875, {0x90, 61, 0x27} },
+	{ 5.000, {0x80, 61, 0x00} },
+	{ 5.000, {0x90, 60, 0x28} },
+	{ 5.125, {0x80, 60, 0x00} },
+	{ 5.125, {0x90, 61, 0x29} },
+	{ 5.250, {0x80, 61, 0x00} },
+	{ 5.250, {0x90, 60, 0x2a} },
+	{ 5.375, {0x80, 60, 0x00} },
+	{ 5.375, {0x90, 61, 0x2b} },
+	{ 5.500, {0x80, 61, 0x00} },
+	{ 5.500, {0x90, 60, 0x2c} },
+	{ 5.625, {0x80, 60, 0x00} },
+	{ 5.625, {0x90, 61, 0x2d} },
+	{ 5.750, {0x80, 61, 0x00} },
+	{ 5.750, {0x90, 60, 0x2e} },
+	{ 5.875, {0x80, 60, 0x00} },
+	{ 5.875, {0x90, 61, 0x2f} },
+	{ 6.000, {0x80, 61, 0x00} },
+	{ 6.000, {0x90, 60, 0x30} },
+	{ 6.125, {0x80, 60, 0x00} },
+	{ 6.125, {0x90, 61, 0x31} },
+	{ 6.250, {0x80, 61, 0x00} },
+	{ 6.250, {0x90, 60, 0x32} },
+	{ 6.375, {0x80, 60, 0x00} },
+	{ 6.375, {0x90, 61, 0x33} },
+	{ 6.500, {0x80, 61, 0x00} },
+	{ 6.500, {0x90, 60, 0x34} },
+	{ 6.625, {0x80, 60, 0x00} },
+	{ 6.625, {0x90, 61, 0x35} },
+	{ 6.750, {0x80, 61, 0x00} },
+	{ 6.750, {0x90, 60, 0x36} },
+	{ 6.875, {0x80, 60, 0x00} },
+	{ 6.875, {0x90, 61, 0x37} },
+	{ 7.000, {0x80, 61, 0x00} },
+	{ 7.000, {0x90, 60, 0x38} },
+	{ 7.125, {0x80, 60, 0x00} },
+	{ 7.125, {0x90, 61, 0x39} },
+	{ 7.250, {0x80, 61, 0x00} },
+	{ 7.250, {0x90, 60, 0x3a} },
+	{ 7.375, {0x80, 60, 0x00} },
+	{ 7.375, {0x90, 61, 0x3b} },
+	{ 7.500, {0x80, 61, 0x00} },
+	{ 7.500, {0x90, 60, 0x3c} },
+	{ 7.625, {0x80, 60, 0x00} },
+	{ 7.625, {0x90, 61, 0x3d} },
+	{ 7.750, {0x80, 61, 0x00} },
+	{ 7.750, {0x90, 60, 0x3e} },
+	{ 7.875, {0x80, 60, 0x00} },
+	{ 7.875, {0x90, 61, 0x3f} },
+	{ 8.000, {0x80, 61, 0x00} },
+	{ 8.000, {0x90, 60, 0x40} },
+	{ 8.125, {0x80, 60, 0x00} },
+	{ 8.125, {0x90, 61, 0x41} },
+	{ 8.250, {0x80, 61, 0x00} },
+	{ 8.250, {0x90, 60, 0x42} },
+	{ 8.375, {0x80, 60, 0x00} },
+	{ 8.375, {0x90, 61, 0x43} },
+	{ 8.500, {0x80, 61, 0x00} },
+	{ 8.500, {0x90, 60, 0x44} },
+	{ 8.625, {0x80, 60, 0x00} },
+	{ 8.625, {0x90, 61, 0x45} },
+	{ 8.750, {0x80, 61, 0x00} },
+	{ 8.750, {0x90, 60, 0x46} },
+	{ 8.875, {0x80, 60, 0x00} },
+	{ 8.875, {0x90, 61, 0x47} },
+	{ 9.000, {0x80, 61, 0x00} },
+	{ 9.000, {0x90, 60, 0x48} },
+	{ 9.125, {0x80, 60, 0x00} },
+	{ 9.125, {0x90, 61, 0x49} },
+	{ 9.250, {0x80, 61, 0x00} },
+	{ 9.250, {0x90, 60, 0x4a} },
+	{ 9.375, {0x80, 60, 0x00} },
+	{ 9.375, {0x90, 61, 0x4b} },
+	{ 9.500, {0x80, 61, 0x00} },
+	{ 9.500, {0x90, 60, 0x4c} },
+	{ 9.625, {0x80, 60, 0x00} },
+	{ 9.625, {0x90, 61, 0x4d} },
+	{ 9.750, {0x80, 61, 0x00} },
+	{ 9.750, {0x90, 60, 0x4e} },
+	{ 9.875, {0x80, 60, 0x00} },
+	{ 9.875, {0x90, 61, 0x4f} },
+	{10.000, {0x80, 61, 0x00} },
+	{10.000, {0x90, 60, 0x50} },
+	{10.125, {0x80, 60, 0x00} },
+	{10.125, {0x90, 61, 0x51} },
+	{10.250, {0x80, 61, 0x00} },
+	{10.250, {0x90, 60, 0x52} },
+	{10.375, {0x80, 60, 0x00} },
+	{10.375, {0x90, 61, 0x53} },
+	{10.500, {0x80, 61, 0x00} },
+	{10.500, {0x90, 60, 0x54} },
+	{10.625, {0x80, 60, 0x00} },
+	{10.625, {0x90, 61, 0x55} },
+	{10.750, {0x80, 61, 0x00} },
+	{10.750, {0x90, 60, 0x56} },
+	{10.875, {0x80, 60, 0x00} },
+	{10.875, {0x90, 61, 0x57} },
+	{11.000, {0x80, 61, 0x00} },
+	{11.000, {0x90, 60, 0x58} },
+	{11.125, {0x80, 60, 0x00} },
+	{11.125, {0x90, 61, 0x59} },
+	{11.250, {0x80, 61, 0x00} },
+	{11.250, {0x90, 60, 0x5a} },
+	{11.375, {0x80, 60, 0x00} },
+	{11.375, {0x90, 61, 0x5b} },
+	{11.500, {0x80, 61, 0x00} },
+	{11.500, {0x90, 60, 0x5c} },
+	{11.625, {0x80, 60, 0x00} },
+	{11.625, {0x90, 61, 0x5d} },
+	{11.750, {0x80, 61, 0x00} },
+	{11.750, {0x90, 60, 0x5e} },
+	{11.875, {0x80, 60, 0x00} },
+	{11.875, {0x90, 61, 0x5f} },
+	{12.000, {0x80, 61, 0x00} },
+	{12.000, {0x90, 60, 0x60} },
+	{12.125, {0x80, 60, 0x00} },
+	{12.125, {0x90, 61, 0x61} },
+	{12.250, {0x80, 61, 0x00} },
+	{12.250, {0x90, 60, 0x62} },
+	{12.375, {0x80, 60, 0x00} },
+	{12.375, {0x90, 61, 0x63} },
+	{12.500, {0x80, 61, 0x00} },
+	{12.500, {0x90, 60, 0x64} },
+	{12.625, {0x80, 60, 0x00} },
+	{12.625, {0x90, 61, 0x65} },
+	{12.750, {0x80, 61, 0x00} },
+	{12.750, {0x90, 60, 0x66} },
+	{12.875, {0x80, 60, 0x00} },
+	{12.875, {0x90, 61, 0x67} },
+	{13.000, {0x80, 61, 0x00} },
+	{13.000, {0x90, 60, 0x68} },
+	{13.125, {0x80, 60, 0x00} },
+	{13.125, {0x90, 61, 0x69} },
+	{13.250, {0x80, 61, 0x00} },
+	{13.250, {0x90, 60, 0x6a} },
+	{13.375, {0x80, 60, 0x00} },
+	{13.375, {0x90, 61, 0x6b} },
+	{13.500, {0x80, 61, 0x00} },
+	{13.500, {0x90, 60, 0x6c} },
+	{13.625, {0x80, 60, 0x00} },
+	{13.625, {0x90, 61, 0x6d} },
+	{13.750, {0x80, 61, 0x00} },
+	{13.750, {0x90, 60, 0x6e} },
+	{13.875, {0x80, 60, 0x00} },
+	{13.875, {0x90, 61, 0x6f} },
+	{14.000, {0x80, 61, 0x00} },
+	{14.000, {0x90, 60, 0x70} },
+	{14.125, {0x80, 60, 0x00} },
+	{14.125, {0x90, 61, 0x71} },
+	{14.250, {0x80, 61, 0x00} },
+	{14.250, {0x90, 60, 0x72} },
+	{14.375, {0x80, 60, 0x00} },
+	{14.375, {0x90, 61, 0x73} },
+	{14.500, {0x80, 61, 0x00} },
+	{14.500, {0x90, 60, 0x74} },
+	{14.625, {0x80, 60, 0x00} },
+	{14.625, {0x90, 61, 0x75} },
+	{14.750, {0x80, 61, 0x00} },
+	{14.750, {0x90, 60, 0x76} },
+	{14.875, {0x80, 60, 0x00} },
+	{14.875, {0x90, 61, 0x77} },
+	{15.000, {0x80, 61, 0x00} },
+	{15.000, {0x90, 60, 0x78} },
+	{15.125, {0x80, 60, 0x00} },
+	{15.125, {0x90, 61, 0x79} },
+	{15.250, {0x80, 61, 0x00} },
+	{15.250, {0x90, 60, 0x7a} },
+	{15.375, {0x80, 60, 0x00} },
+	{15.375, {0x90, 61, 0x7b} },
+	{15.500, {0x80, 61, 0x00} },
+	{15.500, {0x90, 60, 0x7c} },
+	{15.625, {0x80, 60, 0x00} },
+	{15.625, {0x90, 61, 0x7d} },
+	{15.750, {0x80, 61, 0x00} },
+	{15.750, {0x90, 60, 0x7e} },
+	{15.875, {0x80, 60, 0x00} },
+	{15.875, {0x90, 61, 0x7f} },
+	{16.000, {0x80, 61, 0x00} },
+	{16.000, {0xff, 255, 0xff} }, // sentinel
+};
+
+}} // namespace
+
+#endif