#include <glibmm.h>
+#ifdef PLATFORM_WINDOWS
+#include <windows.h>
+#include <pbd/windows_timer_utils.h>
+#endif
+
#include "dummy_audiobackend.h"
#include "dummy_midi_seq.h"
std::vector<std::string> DummyAudioBackend::_midi_options;
std::vector<AudioBackend::DeviceStatus> DummyAudioBackend::_device_status;
-#ifdef PLATFORM_WINDOWS
-static double _win_pc_rate = 0; // usec per tick
-#endif
+std::vector<DummyAudioBackend::DriverSpeed> DummyAudioBackend::_driver_speed;
static int64_t _x_get_monotonic_usec() {
#ifdef PLATFORM_WINDOWS
- if (_win_pc_rate > 0) {
- LARGE_INTEGER Count;
- // not very reliable, but the only realistic way for sub milli-seconds
- if (QueryPerformanceCounter (&Count)) {
- return (int64_t) (Count.QuadPart * _win_pc_rate);
- }
- return -1;
- }
+ return PBD::get_microseconds();
#endif
return g_get_monotonic_time();
}
DummyAudioBackend::DummyAudioBackend (AudioEngine& e, AudioBackendInfo& info)
: AudioBackend (e, info)
, _running (false)
+ , _freewheel (false)
, _freewheeling (false)
+ , _speedup (1.0)
, _device ("")
, _samplerate (48000)
, _samples_per_period (1024)
, _n_outputs (0)
, _n_midi_inputs (0)
, _n_midi_outputs (0)
- , _enable_midi_generators (false)
+ , _midi_mode (MidiNoEvents)
, _systemic_input_latency (0)
, _systemic_output_latency (0)
, _processed_samples (0)
_instance_name = s_instance_name;
_device = _("Silence");
pthread_mutex_init (&_port_callback_mutex, 0);
+
+ if (_driver_speed.empty()) {
+ _driver_speed.push_back (DriverSpeed (_("Half Speed"), 2.0f));
+ _driver_speed.push_back (DriverSpeed (_("Normal Speed"), 1.0f));
+ _driver_speed.push_back (DriverSpeed (_("Double Speed"), 0.5f));
+ _driver_speed.push_back (DriverSpeed (_("5x Speed"), 0.2f));
+ _driver_speed.push_back (DriverSpeed (_("10x Speed"), 0.1f));
+ _driver_speed.push_back (DriverSpeed (_("15x Speed"), 0.06666f));
+ _driver_speed.push_back (DriverSpeed (_("20x Speed"), 0.05f));
+ _driver_speed.push_back (DriverSpeed (_("50x Speed"), 0.02f));
+ }
+
}
DummyAudioBackend::~DummyAudioBackend ()
std::string
DummyAudioBackend::name () const
{
- return X_("Dummy");
+ return X_("Dummy"); // internal name
}
bool
_device_status.push_back (DeviceStatus (_("Pink Noise (low CPU)"), true));
_device_status.push_back (DeviceStatus (_("Sine Sweep"), true));
_device_status.push_back (DeviceStatus (_("Sine Sweep Swell"), true));
+ _device_status.push_back (DeviceStatus (_("Square Sweep"), true));
+ _device_status.push_back (DeviceStatus (_("Square Sweep Swell"), true));
_device_status.push_back (DeviceStatus (_("Loopback"), true));
}
return _device_status;
return true;
}
+std::vector<std::string>
+DummyAudioBackend::enumerate_drivers () const
+{
+ std::vector<std::string> speed_drivers;
+ for (std::vector<DriverSpeed>::const_iterator it = _driver_speed.begin () ; it != _driver_speed.end (); ++it) {
+ speed_drivers.push_back (it->name);
+ }
+ return speed_drivers;
+}
+
+std::string
+DummyAudioBackend::driver_name () const
+{
+ for (std::vector<DriverSpeed>::const_iterator it = _driver_speed.begin () ; it != _driver_speed.end (); ++it) {
+ if (rintf (1e6f * _speedup) == rintf (1e6f * it->speedup)) {
+ return it->name;
+ }
+ }
+ assert (0);
+ return _("Normal Speed");
+}
+
+int
+DummyAudioBackend::set_driver (const std::string& d)
+{
+ for (std::vector<DriverSpeed>::const_iterator it = _driver_speed.begin () ; it != _driver_speed.end (); ++it) {
+ if (d == it->name) {
+ _speedup = it->speedup;
+ return 0;
+ }
+ }
+ assert (0);
+ return -1;
+}
+
int
DummyAudioBackend::set_device_name (const std::string& d)
{
int
DummyAudioBackend::set_buffer_size (uint32_t bs)
{
- if (bs <= 0 || bs >= _max_buffer_size) {
+ if (bs <= 0 || bs > _max_buffer_size) {
return -1;
}
_samples_per_period = bs;
* with 'Loopback' there is exactly once cycle latency,
* divide it between In + Out;
*/
- const size_t l_in = _samples_per_period * .25;
- const size_t l_out = _samples_per_period - l_in;
LatencyRange lr;
- lr.min = lr.max = l_in + _systemic_input_latency;
+ lr.min = lr.max = _systemic_input_latency;
for (std::vector<DummyAudioPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it) {
set_latency_range (*it, false, lr);
}
set_latency_range (*it, false, lr);
}
- lr.min = lr.max = l_out + _systemic_output_latency;
+ lr.min = lr.max = _systemic_output_latency;
for (std::vector<DummyAudioPort*>::const_iterator it = _system_outputs.begin (); it != _system_outputs.end (); ++it) {
set_latency_range (*it, true, lr);
}
DummyAudioBackend::enumerate_midi_options () const
{
if (_midi_options.empty()) {
- _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"));
+ _midi_options.push_back (_("8 in, 8 out, Loopback"));
+ _midi_options.push_back (_("MIDI to Audio, Loopback"));
+ _midi_options.push_back (_("No MIDI I/O"));
}
return _midi_options;
}
int
DummyAudioBackend::set_midi_option (const std::string& opt)
{
- _enable_midi_generators = false;
+ _midi_mode = MidiNoEvents;
if (opt == _("1 in, 1 out, Silence")) {
_n_midi_inputs = _n_midi_outputs = 1;
}
}
else if (opt == _("Midi Event Generators")) {
_n_midi_inputs = _n_midi_outputs = NUM_MIDI_EVENT_GENERATORS;
- _enable_midi_generators = true;
+ _midi_mode = MidiGenerator;
+ }
+ else if (opt == _("8 in, 8 out, Loopback")) {
+ _n_midi_inputs = _n_midi_outputs = 8;
+ _midi_mode = MidiLoopback;
+ }
+ else if (opt == _("MIDI to Audio, Loopback")) {
+ _n_midi_inputs = _n_midi_outputs = UINT32_MAX;
+ _midi_mode = MidiToAudio;
}
else {
_n_midi_inputs = _n_midi_outputs = 0;
{
if (_running) {
PBD::error << _("DummyAudioBackend: already active.") << endmsg;
- return -1;
+ return BackendReinitializationError;
}
if (_ports.size()) {
if (register_system_ports()) {
PBD::error << _("DummyAudioBackend: failed to register system ports.") << endmsg;
- return -1;
+ return PortRegistrationError;
}
engine.sample_rate_change (_samplerate);
engine.buffer_size_change (_samples_per_period);
+ _dsp_load_calc.set_max_time (_samplerate, _samples_per_period);
+
if (engine.reestablish_ports ()) {
PBD::error << _("DummyAudioBackend: Could not re-establish ports.") << endmsg;
stop ();
- return -1;
+ return PortReconnectError;
}
engine.reconnect_ports ();
if (timeout == 0 || !_running) {
PBD::error << _("DummyAudioBackend: failed to start process thread.") << endmsg;
- return -1;
+ return ProcessThreadStartError;
}
- return 0;
+ return NoError;
}
int
int
DummyAudioBackend::freewheel (bool onoff)
{
- if (onoff == _freewheeling) {
- return 0;
- }
_freewheeling = onoff;
- engine.freewheel_callback (onoff);
return 0;
}
}
/* Process time */
-pframes_t
+framepos_t
DummyAudioBackend::sample_time ()
{
return _processed_samples;
}
-pframes_t
+framepos_t
DummyAudioBackend::sample_time_at_cycle_start ()
{
return _processed_samples;
}
for (size_t i = 0; i < _ports.size (); ++i) {
DummyPort* port = _ports[i];
- if ((port->type () == type) && (port->flags () & flags)) {
+ if ((port->type () == type) && flags == (port->flags () & flags)) {
if (!use_regexp || !regexec (&port_regex, port->name ().c_str (), 0, NULL, 0)) {
port_names.push_back (port->name ());
++rv;
gt = DummyAudioPort::SineSweep;
} else if (_device == _("Sine Sweep Swell")) {
gt = DummyAudioPort::SineSweepSwell;
+ } else if (_device == _("Square Sweep")) {
+ gt = DummyAudioPort::SquareSweep;
+ } else if (_device == _("Square Sweep Swell")) {
+ gt = DummyAudioPort::SquareSweepSwell;
} else if (_device == _("Loopback")) {
gt = DummyAudioPort::Loopback;
} else {
gt = DummyAudioPort::Silence;
}
+ if (_midi_mode == MidiToAudio) {
+ gt = DummyAudioPort::Loopback;
+ }
+
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;
- const int m_out = _n_midi_outputs;
+ const int m_ins = _n_midi_inputs == UINT_MAX ? 0 : _n_midi_inputs;
+ const int m_out = _n_midi_outputs == UINT_MAX ? a_ins : _n_midi_outputs;
- /* with 'Loopback' there is exactly once cycle latency, divide it between In + Out; */
- const size_t l_in = _samples_per_period * .25;
- const size_t l_out = _samples_per_period - l_in;
/* audio ports */
- lr.min = lr.max = l_in + _systemic_input_latency;
+ lr.min = lr.max = _systemic_input_latency;
for (int i = 1; i <= a_ins; ++i) {
char tmp[64];
snprintf(tmp, sizeof(tmp), "system:capture_%d", i);
static_cast<DummyAudioPort*>(p)->setup_generator (gt, _samplerate);
}
- lr.min = lr.max = l_out + _systemic_output_latency;
+ lr.min = lr.max = _systemic_output_latency;
for (int i = 1; i <= a_out; ++i) {
char tmp[64];
snprintf(tmp, sizeof(tmp), "system:playback_%d", i);
}
/* midi ports */
- lr.min = lr.max = l_in + _systemic_input_latency;
- for (int i = 1; i <= m_ins; ++i) {
+ lr.min = lr.max = _systemic_input_latency;
+ for (int i = 0; i < m_ins; ++i) {
char tmp[64];
- snprintf(tmp, sizeof(tmp), "system:midi_capture_%d", i);
+ snprintf(tmp, sizeof(tmp), "system:midi_capture_%d", i+1);
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) {
+ if (_midi_mode == MidiGenerator) {
static_cast<DummyMidiPort*>(p)->setup_generator (i % NUM_MIDI_EVENT_GENERATORS, _samplerate);
}
}
- lr.min = lr.max = l_out + _systemic_output_latency;
+ lr.min = lr.max = _systemic_output_latency;
for (int i = 1; i <= m_out; ++i) {
char tmp[64];
snprintf(tmp, sizeof(tmp), "system:midi_playback_%d", i);
void
DummyAudioBackend::unregister_ports (bool system_only)
{
- size_t i = 0;
_system_inputs.clear();
_system_outputs.clear();
_system_midi_in.clear();
_system_midi_out.clear();
- while (i < _ports.size ()) {
- DummyPort* port = _ports[i];
+
+ for (std::vector<DummyPort*>::iterator i = _ports.begin (); i != _ports.end ();) {
+ DummyPort* port = *i;
if (! system_only || (port->is_physical () && port->is_terminal ())) {
port->disconnect_all ();
delete port;
- _ports.erase (_ports.begin() + i);
+ i = _ports.erase (i);
} else {
++i;
}
assert (buffer && port_buffer);
DummyMidiBuffer& dst = * static_cast<DummyMidiBuffer*>(port_buffer);
if (dst.size () && (pframes_t)dst.back ()->timestamp () > timestamp) {
- fprintf (stderr, "DummyMidiBuffer: it's too late for this event.\n");
- return -1;
+ // nevermind, ::get_buffer() sorts events, but always print warning
+ fprintf (stderr, "DummyMidiBuffer: it's too late for this event %d > %d.\n", (pframes_t)dst.back ()->timestamp (), timestamp);
}
dst.push_back (boost::shared_ptr<DummyMidiEvent>(new DummyMidiEvent (timestamp, buffer, size)));
+#if 0 // DEBUG MIDI EVENTS
+ printf("DummyAudioBackend::midi_event_put %d, %zu: ", timestamp, size);
+ for (size_t xx = 0; xx < size; ++xx) {
+ printf(" %02x", buffer[xx]);
+ }
+ printf("\n");
+#endif
return 0;
}
LatencyRange
DummyAudioBackend::get_latency_range (PortEngine::PortHandle port, bool for_playback)
{
+ LatencyRange r;
if (!valid_port (port)) {
PBD::error << _("DummyPort::get_latency_range (): invalid port.") << endmsg;
- LatencyRange r;
r.min = 0;
r.max = 0;
return r;
}
- return static_cast<DummyPort*>(port)->latency_range (for_playback);
+ DummyPort *p = static_cast<DummyPort*>(port);
+ assert(p);
+
+ r = p->latency_range (for_playback);
+ if (p->is_physical() && p->is_terminal()) {
+ if (p->is_input() && for_playback) {
+ const size_t l_in = _samples_per_period * .25;
+ r.min += l_in;
+ r.max += l_in;
+ }
+ if (p->is_output() && !for_playback) {
+ /* with 'Loopback' there is exactly once cycle latency, divide it between In + Out; */
+ const size_t l_in = _samples_per_period * .25;
+ const size_t l_out = _samples_per_period - l_in;
+ r.min += l_out;
+ r.max += l_out;
+ }
+ }
+ return r;
}
/* Discovering physical ports */
manager.registration_callback();
manager.graph_order_callback();
- int64_t clock1, clock2;
- clock1 = _x_get_monotonic_usec();
+ int64_t clock1;
+ clock1 = -1;
while (_running) {
+ if (_freewheeling != _freewheel) {
+ _freewheel = _freewheeling;
+ engine.freewheel_callback (_freewheel);
+ }
+
// re-set input buffers, generate on demand.
for (std::vector<DummyAudioPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it) {
(*it)->next_period();
}
_processed_samples += _samples_per_period;
- if (_device == _("Loopback")) {
+ if (_device == _("Loopback") && _midi_mode != MidiToAudio) {
int opn = 0;
int opc = _system_outputs.size();
for (std::vector<DummyAudioPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it, ++opn) {
DummyAudioPort* op = _system_outputs[(opn % opc)];
(*it)->fill_wavetable ((const float*)op->get_buffer (_samples_per_period), _samples_per_period);
}
-
}
- if (!_freewheeling) {
- const int64_t nomial_time = 1e6 * _samples_per_period / _samplerate;
- clock2 = _x_get_monotonic_usec();
-#ifdef PLATFORM_WINDOWS
- bool win_timers_ok = true;
- /* querying the performance counter can fail occasionally (-1).
- * Also on some multi-core systems, timers are CPU specific and not
- * synchronized. We assume they differ more than a few milliseconds
- * (4 * nominal cycle time) and simply ignore cases where the
- * execution switches cores.
- */
- if (clock1 < 0 || clock2 < 0 || (clock1 > clock2) || (clock2 - clock1) > 4 * nomial_time) {
- clock2 = clock1 = 0;
- win_timers_ok = false;
+ if (_midi_mode == MidiLoopback) {
+ int opn = 0;
+ int opc = _system_midi_out.size();
+ for (std::vector<DummyMidiPort*>::const_iterator it = _system_midi_in.begin (); it != _system_midi_in.end (); ++it, ++opn) {
+ DummyMidiPort* op = _system_midi_out[(opn % opc)];
+ op->get_buffer(0); // mix-down
+ (*it)->set_loopback (op->const_buffer());
}
-#endif
- const int64_t elapsed_time = clock2 - clock1;
-#ifdef PLATFORM_WINDOWS
- if (win_timers_ok)
-#endif
- { // low pass filter
- _dsp_load = _dsp_load + .05 * ((elapsed_time / (float) nomial_time) - _dsp_load) + 1e-12;
+ }
+ else if (_midi_mode == MidiToAudio) {
+ int opn = 0;
+ int opc = _system_midi_out.size();
+ for (std::vector<DummyAudioPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it, ++opn) {
+ DummyMidiPort* op = _system_midi_out[(opn % opc)];
+ op->get_buffer(0); // mix-down
+ (*it)->midi_to_wavetable (op->const_buffer(), _samples_per_period);
}
+ }
+
+ if (!_freewheel) {
+ _dsp_load_calc.set_start_timestamp_us (clock1);
+ _dsp_load_calc.set_stop_timestamp_us (_x_get_monotonic_usec());
+ _dsp_load = _dsp_load_calc.get_dsp_load_unbound ();
- if (elapsed_time < nomial_time) {
- Glib::usleep (nomial_time - elapsed_time);
+ const int64_t elapsed_time = _dsp_load_calc.elapsed_time_us ();
+ const int64_t nominal_time = _dsp_load_calc.get_max_time_us ();
+ if (elapsed_time < nominal_time) {
+ const int64_t sleepy = _speedup * (nominal_time - elapsed_time);
+ Glib::usleep (std::max ((int64_t) 100, sleepy));
} else {
Glib::usleep (100); // don't hog cpu
}
Glib::usleep (100); // don't hog cpu
}
- /* beginning of netx cycle */
+ /* beginning of next cycle */
clock1 = _x_get_monotonic_usec();
bool connections_changed = false;
static bool available ();
static ARDOUR::AudioBackendInfo _descriptor = {
- "Dummy",
+ _("None (Dummy)"),
instantiate,
deinstantiate,
backend_factory,
instantiate (const std::string& arg1, const std::string& /* arg2 */)
{
s_instance_name = arg1;
-#ifdef PLATFORM_WINDOWS
- LARGE_INTEGER Frequency;
- if (!QueryPerformanceFrequency(&Frequency) || Frequency.QuadPart < 1) {
- _win_pc_rate = 0;
- } else {
- _win_pc_rate = 1000000.0 / Frequency.QuadPart;
- }
-#endif
return 0;
}
static bool
already_configured ()
{
+ // special-case: unit-tests require backend to be pre-configured.
+ if (s_instance_name == "Unit-Test") {
+ return true;
+ }
return false;
}
_rseed = g_get_monotonic_time() % UINT_MAX;
}
_rseed = (_rseed + (uint64_t)this) % UINT_MAX;
+ if (_rseed == 0) _rseed = 1;
}
inline uint32_t
_wavetable[i] = .12589f * sinf(2.0f * M_PI * (float)i / (float)_gen_period); // -18dBFS
}
break;
+ case SquareSweep:
+ case SquareSweepSwell:
case SineSweep:
case SineSweepSwell:
{
const double b = log (f_max / f_min) / g_p2;
const double a = f_min / (b * samplerate);
#endif
+ const uint32_t g_p2i = rint(g_p2);
_wavetable = (Sample*) malloc (_gen_period * sizeof(Sample));
- for (uint32_t i = 0 ; i < g_p2; ++i) {
+ for (uint32_t i = 0 ; i < g_p2i; ++i) {
#ifdef LINEAR_SWEEP
const double phase = i * (a + b * i);
#else
#endif
_wavetable[i] = (float)sin (2. * M_PI * (phase - floor (phase)));
}
- for (uint32_t i = g_p2; i < _gen_period; ++i) {
+ for (uint32_t i = g_p2i; i < _gen_period; ++i) {
const uint32_t j = _gen_period - i;
#ifdef LINEAR_SWEEP
const double phase = j * (a + b * j);
#else
const double phase = a * exp (b * j) - a;
#endif
- _wavetable[i] = (float)sin (2. * M_PI * (phase - floor (phase)));
+ _wavetable[i] = -(float)sin (2. * M_PI * (phase - floor (phase)));
+ }
+ if (_gen_type == SquareSweep) {
+ for (uint32_t i = 0 ; i < _gen_period; ++i) {
+ _wavetable[i] = _wavetable[i] < 0 ? -.40709f : .40709f;
+ }
+ }
+ else if (_gen_type == SquareSweepSwell) {
+ for (uint32_t i = 0 ; i < _gen_period; ++i) {
+ _wavetable[i] = _wavetable[i] < 0 ? -1 : 1;
+ }
}
}
break;
}
}
+void DummyAudioPort::midi_to_wavetable (DummyMidiBuffer const * const src, size_t n_samples)
+{
+ memset(_wavetable, 0, n_samples * sizeof(float));
+ /* generate an audio spike for every midi message
+ * to verify layency-compensation alignment
+ * (here: midi-out playback-latency + audio-in capture-latency)
+ */
+ for (DummyMidiBuffer::const_iterator it = src->begin (); it != src->end (); ++it) {
+ const pframes_t t = (*it)->timestamp();
+ assert(t < n_samples);
+ // somewhat arbitrary mapping for quick visual feedback
+ float v = -.5f;
+ if ((*it)->size() == 3) {
+ const unsigned char *d = (*it)->const_data();
+ if ((d[0] & 0xf0) == 0x90) { // note on
+ v = .25f + d[2] / 512.f;
+ }
+ else if ((d[0] & 0xf0) == 0x80) { // note off
+ v = .3f - d[2] / 640.f;
+ }
+ else if ((d[0] & 0xf0) == 0xb0) { // CC
+ v = -.1f - d[2] / 256.f;
+ }
+ }
+ _wavetable[t] += v;
+ }
+}
+
float DummyAudioPort::grandf ()
{
// Gaussian White Noise
}
break;
case SineSweepSwell:
+ case SquareSweepSwell:
assert(_wavetable && _gen_period > 0);
{
const float vols = 2.f / (float)_gen_perio2;
for (pframes_t i = 0; i < n_samples; ++i) {
- const float g = fabsf (_gen_count2 * vols - 1.0);
+ const float g = fabsf (_gen_count2 * vols - 1.f);
_buffer[i] = g * _wavetable[_gen_offset];
_gen_offset = (_gen_offset + 1) % _gen_period;
_gen_count2 = (_gen_count2 + 1) % _gen_perio2;
_gen_period = n_samples; // XXX DummyBackend::_samples_per_period;
case SineWave:
case SineSweep:
+ case SquareSweep:
assert(_wavetable && _gen_period > 0);
{
pframes_t written = 0;
, _midi_seq_pos (0)
{
_buffer.clear ();
+ _loopback.clear ();
}
-DummyMidiPort::~DummyMidiPort () { }
+DummyMidiPort::~DummyMidiPort () {
+ _buffer.clear ();
+ _loopback.clear ();
+}
struct MidiEventSorter {
bool operator() (const boost::shared_ptr<DummyMidiEvent>& a, const boost::shared_ptr<DummyMidiEvent>& b) {
}
};
+void DummyMidiPort::set_loopback (DummyMidiBuffer const * const src)
+{
+ _loopback.clear ();
+ for (DummyMidiBuffer::const_iterator it = src->begin (); it != src->end (); ++it) {
+ _loopback.push_back (boost::shared_ptr<DummyMidiEvent>(new DummyMidiEvent (**it)));
+ }
+}
+
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_dat = DummyMidiData::sequences[seq_id % NUM_MIDI_EVENT_GENERATORS];
_midi_seq_spb = sr * .5f; // 120 BPM, beat_time 1.0 per beat.
_midi_seq_pos = 0;
_midi_seq_time = 0;
_gen_cycle = true;
if (_midi_seq_spb == 0 || !_midi_seq_dat) {
+ for (DummyMidiBuffer::const_iterator it = _loopback.begin (); it != _loopback.end (); ++it) {
+ _buffer.push_back (boost::shared_ptr<DummyMidiEvent>(new DummyMidiEvent (**it)));
+ }
return;
}
break;
}
_buffer.push_back (boost::shared_ptr<DummyMidiEvent>(new DummyMidiEvent (
- ev_beat_time, _midi_seq_dat[_midi_seq_pos].event, 3
+ ev_beat_time,
+ _midi_seq_dat[_midi_seq_pos].event,
+ _midi_seq_dat[_midi_seq_pos].size
)));
++_midi_seq_pos;
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) {
+ const DummyMidiBuffer *src = source->const_buffer ();
+ for (DummyMidiBuffer::const_iterator it = src->begin (); it != src->end (); ++it) {
_buffer.push_back (boost::shared_ptr<DummyMidiEvent>(new DummyMidiEvent (**it)));
}
}
{
if (size > 0) {
_data = (uint8_t*) malloc (size);
- memcpy (_data, data, size);
+ memcpy (_data, data, size);
}
}