diff --git a/share/scripts/noisegen.lua b/share/scripts/_noisegen.lua similarity index 100% rename from share/scripts/noisegen.lua rename to share/scripts/_noisegen.lua diff --git a/share/scripts/a-noise.lua b/share/scripts/a-noise.lua new file mode 100644 index 0000000000..dccded19c6 --- /dev/null +++ b/share/scripts/a-noise.lua @@ -0,0 +1,55 @@ +ardour { + ["type"] = "dsp", + name = "a-Noise", + category = "Utility", + license = "MIT", + author = "Ardour Team", + description = [[Noise Generator]] +} + +function dsp_ioconfig () + return + { + -- -1, -1 = any number of channels as long as input and output count matches + { audio_in = -1, audio_out = -1}, + } +end + +function dsp_params () + return + { + { ["type"] = "input", name = "Noise Level", min = -80, max = 0, default = -18, unit="dBFS"}, + { ["type"] = "input", name = "Noise Type", min = 0, max = 2, default = 0, enum = true, scalepoints = + { + ["White Noise"] = ARDOUR.DSP.NoiseType.UniformWhiteNoise, + ["Gaussian White Noise"] = ARDOUR.DSP.NoiseType.GaussianWhiteNoise, + ["Pink Noise"] = ARDOUR.DSP.NoiseType.PinkNoise, + } + }, + } +end + +local cmem = nil +local gen = nil +local noise = 0 + +function dsp_init (rate) + cmem = ARDOUR.DSP.DspShm (8192) + gen = ARDOUR.DSP.Generator () +end + +function dsp_run (ins, outs, n_samples) + local ctrl = CtrlPorts:array() + local lvl = ARDOUR.DSP.dB_to_coefficient (ctrl[1]) + if (noise ~= ctrl[2]) then + noise = ctrl[2] + gen:set_type (noise) + end + for c = 1,#ins do + if ins[c] ~= outs[c] then + ARDOUR.DSP.copy_vector (outs[c], ins[c], n_samples) + end + gen:run (cmem:to_float(0), n_samples) + ARDOUR.DSP.mix_buffers_with_gain (outs[c], cmem:to_float(0), n_samples, lvl) + end +end