#include "pbd/error.h"
#include "ardour/port_manager.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
_device_status.push_back (DeviceStatus (_("DC -6dBFS (+.5)"), true));
_device_status.push_back (DeviceStatus (_("Demolition"), true));
_device_status.push_back (DeviceStatus (_("Sine Wave"), true));
+ _device_status.push_back (DeviceStatus (_("Sine Wave 1K, 1/3 Oct"), true));
_device_status.push_back (DeviceStatus (_("Square Wave"), true));
_device_status.push_back (DeviceStatus (_("Impulses"), true));
_device_status.push_back (DeviceStatus (_("Uniform White Noise"), true));
return;
}
DummyPort* port = static_cast<DummyPort*>(port_handle);
- PortIndex::iterator i = _ports.find (static_cast<DummyPort*>(port_handle));
+ PortIndex::iterator i = std::find (_ports.begin(), _ports.end(), static_cast<DummyPort*>(port_handle));
if (i == _ports.end ()) {
PBD::error << _("DummyBackend::unregister_port: Failed to find port") << endmsg;
return;
gt = DummyAudioPort::PonyNoise;
} else if (_device == _("Sine Wave")) {
gt = DummyAudioPort::SineWave;
+ } else if (_device == _("Sine Wave 1K, 1/3 Oct")) {
+ gt = DummyAudioPort::SineWaveOctaves;
} else if (_device == _("Square Wave")) {
gt = DummyAudioPort::SquareWave;
} else if (_device == _("Impulses")) {
if (!p) return -1;
set_latency_range (p, false, lr);
_system_inputs.push_back (static_cast<DummyAudioPort*>(p));
- static_cast<DummyAudioPort*>(p)->setup_generator (gt, _samplerate);
+ std::string name = static_cast<DummyAudioPort*>(p)->setup_generator (gt, _samplerate, i - 1, a_ins);
+ if (!name.empty ()) {
+ static_cast<DummyAudioPort*>(p)->set_pretty_name (name);
+ }
}
lr.min = lr.max = _systemic_output_latency;
set_latency_range (p, false, lr);
_system_midi_in.push_back (static_cast<DummyMidiPort*>(p));
if (_midi_mode == MidiGenerator) {
- static_cast<DummyMidiPort*>(p)->setup_generator (i % NUM_MIDI_EVENT_GENERATORS, _samplerate);
- static_cast<DummyMidiPort*>(p)->set_pretty_name (DummyMidiData::sequence_names[i % NUM_MIDI_EVENT_GENERATORS]);
+ std::string name = static_cast<DummyMidiPort*>(p)->setup_generator (i % NUM_MIDI_EVENT_GENERATORS, _samplerate);
+ if (!name.empty ()) {
+ static_cast<DummyMidiPort*>(p)->set_pretty_name (name);
+ }
}
}
_wavetable = 0;
}
-void DummyAudioPort::setup_generator (GeneratorType const g, float const samplerate)
+static std::string format_hz (float freq) {
+ std::stringstream ss;
+ if (freq >= 10000) {
+ ss << std::setprecision (1) << std::fixed << freq / 1000 << "kHz";
+ } else if (freq >= 1000) {
+ ss << std::setprecision (2) << std::fixed << freq / 1000 << "kHz";
+ } else {
+ ss << std::setprecision (1) << std::fixed << freq << "Hz";
+ }
+ return ss.str ();
+}
+
+static size_t fit_wave (float freq, float rate, float precision = 0.001) {
+ const size_t max_mult = floor (freq * rate);
+ float minErr = 2;
+ size_t fact = 1;
+ for (size_t i = 1; i < max_mult; ++i) {
+ const float isc = rate * (float)i / freq; // ideal sample count
+ const float rsc = rintf (isc); // rounded sample count
+ const float err = fabsf (isc - rsc);
+ if (err < minErr) {
+ minErr = err;
+ fact = i;
+ }
+ if (err < precision) {
+ break;
+ }
+ }
+ //printf(" FIT %8.1f Hz / %8.1f Hz * %ld = %.0f (err: %e)\n", freq, rate, fact, fact * rate / freq, minErr);
+ return fact;
+}
+
+std::string
+DummyAudioPort::setup_generator (GeneratorType const g, float const samplerate, int c, int total)
{
+ std::string name;
DummyPort::setup_random_number_generator();
_gen_type = g;
break;
case KronekerDelta:
_gen_period = (5 + randi() % (int)(samplerate / 20.f));
+ name = "Delta " + format_hz (samplerate / _gen_period);
break;
case SquareWave:
_gen_period = (5 + randi() % (int)(samplerate / 20.f)) & ~1;
+ name = "Square " + format_hz (samplerate / _gen_period);
+ break;
+ case SineWaveOctaves:
+ {
+ const int x = c - floor (((float)total / 2));
+ float f = powf (2.f, x / 3.f) * 1000.f;
+ f = std::max (10.f, std::min (samplerate *.5f, f));
+ const size_t mult = fit_wave (f, samplerate);
+ _gen_period = rintf ((float)mult * samplerate / f);
+ name = "Sine " + format_hz (samplerate * mult / (float)_gen_period);
+ _wavetable = (Sample*) malloc (_gen_period * sizeof(Sample));
+ for (uint32_t i = 0 ; i < _gen_period; ++i) {
+ _wavetable[i] = .12589f * sinf(2.0f * M_PI * (float)mult * (float)i / (float)(_gen_period)); // -18dBFS
+ }
+ }
break;
case SineWave:
_gen_period = 5 + randi() % (int)(samplerate / 20.f);
+ name = "Sine " + format_hz (samplerate / _gen_period);
_wavetable = (Sample*) malloc (_gen_period * sizeof(Sample));
for (uint32_t i = 0 ; i < _gen_period; ++i) {
_wavetable[i] = .12589f * sinf(2.0f * M_PI * (float)i / (float)_gen_period); // -18dBFS
_wavetable = (Sample*) malloc (DummyAudioBackend::max_buffer_size() * sizeof(Sample));
break;
}
+ return name;
}
void DummyAudioPort::midi_to_wavetable (DummyMidiBuffer const * const src, size_t n_samples)
case Loopback:
_gen_period = n_samples; // XXX DummyBackend::_samples_per_period;
case SineWave:
+ case SineWaveOctaves:
case SineSweep:
case SquareSweep:
assert(_wavetable && _gen_period > 0);
}
}
-void DummyMidiPort::setup_generator (int seq_id, const float sr)
+std::string
+DummyMidiPort::setup_generator (int seq_id, const float sr)
{
DummyPort::setup_random_number_generator();
_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;
+ return DummyMidiData::sequence_names[seq_id];
}
void DummyMidiPort::midi_generate (const pframes_t n_samples)
projects / ardour.git / blobdiff