ardour/livetrax
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Lua Convolver tweaks

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show how to use IRs from the session-folder, set file
when instantiating the plugin.
This commit is contained in:
Robin Gareus 2022-11-19 20:25:22 +01:00
parent c69cfaa124
commit c30df32007
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 10 additions and 8 deletions
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18
share/scripts/__convolv.lua
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@ -1,4 +1,4 @@
ardour { ["type"] = "dsp", name = "Lua Convolver", license = "MIT", author = "Ardour Team", description = [[Another simple DSP example]] } ardour { ["type"] = "dsp", name = "Lua Convolver", license = "MIT", author = "Ardour Team", description = [[Reverb - libardour convolver]] }
function dsp_ioconfig () return function dsp_ioconfig () return
{ {
@ -8,13 +8,12 @@ function dsp_ioconfig () return
} }
end end
local conv, mode, ir_file, buffered local conv, buffered
buffered = false buffered = true
ir_file = "/tmp/reverbs/St Nicolaes Church.wav"
ir_file = "/tmp/reverbs/Large Wide Echo Hall.wav"
function dsp_configure (ins, outs) function dsp_configure (ins, outs)
local mode
if outs:n_audio() == 1 then if outs:n_audio() == 1 then
assert (ins:n_audio() == 1) assert (ins:n_audio() == 1)
mode = ARDOUR.DSP.IRChannelConfig.Mono mode = ARDOUR.DSP.IRChannelConfig.Mono
@ -28,7 +27,12 @@ function dsp_configure (ins, outs)
end end
local irs = ARDOUR.DSP.IRSettings() local irs = ARDOUR.DSP.IRSettings()
irs.gain = 0.5
ir_file = Session:path() .. "/externals/Vocal_Chamber.flac"
irs.gain = 0.055584
ir_file = Session:path() .. "/externals/Percussion_Air.flac"
irs.gain = 0.119054
conv = ARDOUR.DSP.Convolver (Session, ir_file, mode, irs) conv = ARDOUR.DSP.Convolver (Session, ir_file, mode, irs)
collectgarbage () collectgarbage ()
end end
@ -44,8 +48,6 @@ end
-- the DSP callback function to process audio audio -- the DSP callback function to process audio audio
-- "ins" and "outs" are http://manual.ardour.org/lua-scripting/class_reference/#C:FloatArray -- "ins" and "outs" are http://manual.ardour.org/lua-scripting/class_reference/#C:FloatArray
function dsp_run (ins, outs, n_samples) function dsp_run (ins, outs, n_samples)
assert (#ins <= #outs)
for c = 1, #ins do for c = 1, #ins do
if ins[c] ~= outs[c] then -- if processing is not in-place.. if ins[c] ~= outs[c] then -- if processing is not in-place..
ARDOUR.DSP.copy_vector (outs[c], ins[c], n_samples) -- ..copy data from input to output. ARDOUR.DSP.copy_vector (outs[c], ins[c], n_samples) -- ..copy data from input to output.