* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <math.h>
#include <sys/time.h>
#include <regex.h>
#include <stdlib.h>
#include "pbd/error.h"
#include "ardour/port_manager.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
{
if (_device_status.empty()) {
_device_status.push_back (DeviceStatus (_("Silence"), true));
+ _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));
for (PortIndex::const_iterator it = _ports.begin (); it != _ports.end (); ++it) {
PBD::info << _("DummyAudioBackend: port '") << (*it)->name () << "' exists." << endmsg;
}
+ for (PortMap::const_iterator it = _portmap.begin (); it != _portmap.end (); ++it) {
+ PBD::info << _("DummyAudioBackend: portmap '") << (*it).first << "' exists." << endmsg;
+ }
_system_inputs.clear();
_system_outputs.clear();
_system_midi_in.clear();
int
DummyAudioBackend::set_port_name (PortEngine::PortHandle port, const std::string& name)
{
+ std::string newname (_instance_name + ":" + name);
+
if (!valid_port (port)) {
PBD::error << _("DummyBackend::set_port_name: Invalid Port(s)") << endmsg;
return -1;
}
- return static_cast<DummyPort*>(port)->set_name (_instance_name + ":" + name);
+
+ if (find_port (newname)) {
+ PBD::error << _("DummyBackend::set_port_name: Port with given name already exists") << endmsg;
+ return -1;
+ }
+
+ DummyPort* p = static_cast<DummyPort*>(port);
+ _portmap.erase (p->name());
+ _portmap.insert (make_pair (newname, p));
+ return p->set_name (newname);
}
std::string
}
}
- for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
+ for (PortIndex::const_iterator i = _ports.begin (); i != _ports.end (); ++i) {
DummyPort* port = *i;
if ((port->type () == type) && flags == (port->flags () & flags)) {
if (!use_regexp || !regexec (&port_regex, port->name ().c_str (), 0, NULL, 0)) {
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")) {
gt = DummyAudioPort::SquareSweepSwell;
} else if (_device == _("Loopback")) {
gt = DummyAudioPort::Loopback;
+ } else if (_device == _("Demolition")) {
+ gt = DummyAudioPort::Demolition;
+ } else if (_device == _("DC -6dBFS (+.5)")) {
+ gt = DummyAudioPort::DC05;
} else {
gt = DummyAudioPort::Silence;
}
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);
+ }
}
}
{
int n_midi = 0;
int n_audio = 0;
- for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
+ for (PortIndex::const_iterator i = _ports.begin (); i != _ports.end (); ++i) {
DummyPort* port = *i;
if (port->is_output () && port->is_physical ()) {
switch (port->type ()) {
{
int n_midi = 0;
int n_audio = 0;
- for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
+ for (PortIndex::const_iterator i = _ports.begin (); i != _ports.end (); ++i) {
DummyPort* port = *i;
if (port->is_input () && port->is_physical ()) {
switch (port->type ()) {
_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;
case PonyNoise:
case UniformWhiteNoise:
case GaussianWhiteNoise:
+ case DC05:
case Silence:
break;
+ case Demolition:
+ _gen_period = 3 * samplerate;
+ 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)
return r * x1;
}
+/* inspired by jack-demolition by Steve Harris */
+static const float _demolition[] = {
+ 0.0f, /* special case - 0dbFS white noise */
+ 0.0f, /* zero, may cause denomrals following a signal */
+ 0.73 / 1e45, /* very small - should be denormal when floated */
+ 3.7f, /* arbitrary number > 0dBFS */
+ -4.3f, /* arbitrary negative number > 0dBFS */
+ 4294967395.0f, /* 2^16 + 100 */
+ -4294967395.0f,
+ HUGE, /* Big, non-inf number */
+ INFINITY, /* +inf */
+ -INFINITY, /* -inf */
+ -NAN, /* -nan */
+ NAN, /* nan */
+ 0.0f, /* some silence to check for recovery */
+};
+
void DummyAudioPort::generate (const pframes_t n_samples)
{
Glib::Threads::Mutex::Lock lm (generator_lock);
case Silence:
memset (_buffer, 0, n_samples * sizeof (Sample));
break;
+ case DC05:
+ for (pframes_t i = 0 ; i < n_samples; ++i) {
+ _buffer[i] = 0.5f;
+ }
+ break;
+ case Demolition:
+ switch (_gen_count2) {
+ case 0: // noise
+ for (pframes_t i = 0 ; i < n_samples; ++i) {
+ _buffer[i] = randf();
+ }
+ break;
+ default:
+ for (pframes_t i = 0 ; i < n_samples; ++i) {
+ _buffer[i] = _demolition [_gen_count2];
+ }
+ break;
+ }
+ _gen_offset += n_samples;
+ if (_gen_offset > _gen_period) {
+ _gen_offset = 0;
+ _gen_count2 = (_gen_count2 + 1) % (sizeof (_demolition) / sizeof (float));
+ }
+ break;
case SquareWave:
assert(_gen_period > 0);
for (pframes_t i = 0 ; i < n_samples; ++i) {
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