diff options
| -rw-r--r-- | libs/backends/dummy/dummy_audiobackend.cc | 20 | ||||
| -rw-r--r-- | libs/backends/dummy/dummy_audiobackend.h | 2 |
2 files changed, 22 insertions, 0 deletions
diff --git a/libs/backends/dummy/dummy_audiobackend.cc b/libs/backends/dummy/dummy_audiobackend.cc index 3822bc9802..a2e632ea6a 100644 --- a/libs/backends/dummy/dummy_audiobackend.cc +++ b/libs/backends/dummy/dummy_audiobackend.cc @@ -112,6 +112,8 @@ DummyAudioBackend::enumerate_devices () const _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; @@ -744,6 +746,10 @@ DummyAudioBackend::register_system_ports() 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 { @@ -1563,6 +1569,8 @@ void DummyAudioPort::setup_generator (GeneratorType const g, float const sampler _wavetable[i] = .12589f * sinf(2.0f * M_PI * (float)i / (float)_gen_period); // -18dBFS } break; + case SquareSweep: + case SquareSweepSwell: case SineSweep: case SineSweepSwell: { @@ -1597,6 +1605,16 @@ void DummyAudioPort::setup_generator (GeneratorType const g, float const sampler #endif _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; case Loopback: @@ -1690,6 +1708,7 @@ void DummyAudioPort::generate (const pframes_t n_samples) } break; case SineSweepSwell: + case SquareSweepSwell: assert(_wavetable && _gen_period > 0); { const float vols = 2.f / (float)_gen_perio2; @@ -1705,6 +1724,7 @@ void DummyAudioPort::generate (const pframes_t n_samples) _gen_period = n_samples; // XXX DummyBackend::_samples_per_period; case SineWave: case SineSweep: + case SquareSweep: assert(_wavetable && _gen_period > 0); { pframes_t written = 0; diff --git a/libs/backends/dummy/dummy_audiobackend.h b/libs/backends/dummy/dummy_audiobackend.h index feff97d050..11597cfc31 100644 --- a/libs/backends/dummy/dummy_audiobackend.h +++ b/libs/backends/dummy/dummy_audiobackend.h @@ -156,6 +156,8 @@ class DummyAudioPort : public DummyPort { KronekerDelta, SineSweep, SineSweepSwell, + SquareSweep, + SquareSweepSwell, Loopback, }; void setup_generator (GeneratorType const, float const); |