diff options
Diffstat (limited to 'Userland/Libraries/LibDSP/Synthesizers.cpp')
| -rw-r--r-- | Userland/Libraries/LibDSP/Synthesizers.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Userland/Libraries/LibDSP/Synthesizers.cpp b/Userland/Libraries/LibDSP/Synthesizers.cpp index 561cd474ce..8b583adf3d 100644 --- a/Userland/Libraries/LibDSP/Synthesizers.cpp +++ b/Userland/Libraries/LibDSP/Synthesizers.cpp @@ -66,7 +66,7 @@ Signal Classic::process_impl(Signal const& input_signal) } // Linear ADSR envelope with no peak adjustment. -double Classic::volume_from_envelope(Envelope const& envelope) +double Classic::volume_from_envelope(Envelope const& envelope) const { switch (static_cast<EnvelopeState>(envelope)) { case EnvelopeState::Off: @@ -102,12 +102,12 @@ double Classic::wave_position(u8 note) VERIFY_NOT_REACHED(); } -double Classic::samples_per_cycle(u8 note) +double Classic::samples_per_cycle(u8 note) const { return m_transport->sample_rate() / note_frequencies[note]; } -double Classic::sin_position(u8 note) +double Classic::sin_position(u8 note) const { double spc = samples_per_cycle(note); double cycle_pos = m_transport->time() / spc; @@ -115,14 +115,14 @@ double Classic::sin_position(u8 note) } // Absolute value of the saw wave "flips" the negative portion into the positive, creating a ramp up and down. -double Classic::triangle_position(u8 note) +double Classic::triangle_position(u8 note) const { double saw = saw_position(note); return AK::fabs(saw) * 2 - 1; } // The first half of the cycle period is 1, the other half -1. -double Classic::square_position(u8 note) +double Classic::square_position(u8 note) const { double spc = samples_per_cycle(note); double progress = AK::fmod(static_cast<double>(m_transport->time()), spc) / spc; @@ -130,7 +130,7 @@ double Classic::square_position(u8 note) } // Modulus creates inverse saw, which we need to flip and scale. -double Classic::saw_position(u8 note) +double Classic::saw_position(u8 note) const { double spc = samples_per_cycle(note); double unscaled = spc - AK::fmod(static_cast<double>(m_transport->time()), spc); |