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oooooo.lua
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oooooo.lua
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-- oooooo v1.10.2
-- 6 x digital tape loops
--
-- llllllll.co/t/oooooo
--
--
--
-- ▼ instructions below ▼
--
-- E1 selects loops
-- E2 changes mode/parameter
--
-- in tape mode:
-- K2 stops
-- K2 again resets
-- K3 plays
-- K1+K2 clears
-- K1+K2 again resets
-- K1+K3 primes recording
-- K1+K3 again records
--
-- in other modes:
-- K2 or K3 activates or lfos
-- E3 adjusts parameter
local Formatters=require 'formatters'
local grido=include("oooooo/lib/grido")
local MusicUtil = require "musicutil"
local monosong_=include("oooooo/lib/monosong")
engine.name="SimpleDelay"
-- from https://github.com/monome/norns/blob/main/lua/lib/intonation.lua
local intonation = {1/1, 16/15, 9/8, 6/5, 5/4, 4/3, 45/32, 3/2, 8/5, 5/3, 16/9, 15/8, 2*1/1, 2*16/15, 2*9/8, 2*6/5, 2*5/4, 2*4/3, 2*45/32, 2*3/2, 2*8/5, 2*5/3, 2*16/9, 2*15/8}
oooooo_grid = nil
kolor_grid = nil
-- user parameters
uP={
-- initialized in init
}
-- user state
uS={
recording={0,0,0,0,0,0},-- 0 = not recording, 1 = armed, 2 = recording
recordingTime={0,0,0,0,0,0},
recordingLoopNum={0,0,0,0,0,0},
updateUI=false,
updateParams=0,
updateUserParam=0,
updateTape=false,
shift=false,
loopNum=1,-- 7 = all loops
selectedPar=0,
flagClearing={false,false,false,false,false,false,false},
flagSpecial=0,
message="",
currentBeat=0,
currentTime=0,
lagActivated=false,
timeSinceArming=0,
lastOnset=0,
toneRates = {},
}
-- user constants
uC={
bufferMinMax={
{1,1,80},
{1,82,161},
{1,163,243},
{2,1,80},
{2,82,161},
{2,163,243},
},
loopMinMax={0.2,78},
radiiMinMax={3,160},
widthMinMax={8,124},
heightMinMax={0,64},
centerOffsets={
{0,0},
{0,0},
{0,0},
{0,0},
{0,0},
{0,0},
},
updateTimerInterval=0.05,
recArmThreshold=0.03,
backupNumber=1,
lfoTime=1,
discreteRates= {-400,-200,-150,-100,-75,-50,-25,-12.5,12.5,25,50,75,100,150,200,400},
discreteBeats={1/4,1/2,1,2},
pampfast=0.02,
timeUntilLagInitiates=0.1,
availableModes={"select one","default","stereo looping","delaylaylay"}
}
DATA_DIR=_path.data.."oooooo/"
PATH=_path.audio..'oooooo/'
local scale_names={}
function init()
-- engine.delay(0.1)
-- engine.volume(0.0)
setup_sharing("oooooo")
params:add_separator("oooooo")
-- add variables into main menu
params:add_group("startup",6)
params:add_option("load on start","load on start",{"no","yes"},1)
params:set_action("load on start",update_parameters)
params:add_option("play on start","play on start",{"no","yes"},1)
params:set_action("play on start",update_parameters)
params:add_option("start lfos random","start lfos random",{"no","yes"},2)
params:set_action("start lfos random",update_parameters)
params:add_control("start length","start length",controlspec.new(0,64,'lin',1,16,'beats'))
params:set_action("start length",update_parameters)
params:add_option("use kolor","use kolor (restart req)",{"no","yes"},1)
params:set_action("use kolor",update_parameters)
params:add_option("use middy","use middy (restart req)",{"no","yes"},1)
params:set_action("use middy",update_parameters)
params:add_group("recording",7)
params:add_control("pre level","pre level",controlspec.new(0,1,"lin",0.01,1,"",0.01))
params:add_control("rec level","rec level",controlspec.new(0,1,"lin",0.01,0.5,"",0.01))
params:add_control("rec thresh","rec thresh",controlspec.new(-70,-32,'lin',1,-60,'dB'))
params:set_action("rec thresh",function (x)
engine.threshold(x)
update_parameters()
end)
params:add_option("rec thru loops","rec thru loops",{"no","yes"},1)
params:set_action("rec thru loops",update_parameters)
params:add_control("stop rec after","stop rec after",controlspec.new(1,64,"lin",1,1,"loops"))
params:set_action("stop rec after",update_parameters)
params:add_option("input type","input type",{"line-in L","line-in R","tape","line-in (L+R)+tape","split L/R+tape"},4)
params:set_action("input type",function(x)
update_softcut_input()
end)
params:add_option("sync lengths to first","sync lengths to first",{"no","yes"},1)
params:set_action("sync lengths to first",update_parameters)
params:add_group("save/load",3)
params:add_text('save_name',"save as...","")
params:set_action("save_name",function(y)
-- prevent banging
local x=y
params:set("save_name","")
if x=="" then
do return end
end
-- save
print(x)
backup_save(x)
params:set("save_message","saved as "..x)
end)
print("DATA_DIR "..DATA_DIR)
local name_folder=DATA_DIR.."names/"
print("name_folder: "..name_folder)
params:add_file("load_name","load",name_folder)
params:set_action("load_name",function(y)
-- prevent banging
local x=y
params:set("load_name",name_folder)
if #x<=#name_folder then
do return end
end
-- load
print("load_name: "..x)
pathname,filename,ext=string.match(x,"(.-)([^\\/]-%.?([^%.\\/]*))$")
print("loading "..filename)
backup_load(filename)
params:set("save_message","loaded "..filename..".")
end)
params:add_text('save_message',">","")
for i = 1, #MusicUtil.SCALES do
table.insert(scale_names, string.lower(MusicUtil.SCALES[i].name))
end
params:add_group("all loops",10)
params:add_option("pause lfos","pause lfos",{"no","yes"},1)
params:add_control("destroy loops","destroy loops",controlspec.new(0,100,'lin',1,0,'% prob'))
params:add_control("vol ramp","vol ramp",controlspec.new(-1,1,'lin',0,0,'',0.01/2))
params:add_option("randomize all on reset","randomize on reset",{"no","params","loops","both"},1)
params:set_action("randomize all on reset",function(x)
for i=1,6 do
params:set(i.."randomize on reset",x)
end
end)
params:add_control("reset all every","reset all every",controlspec.new(0,64,"lin",1,0,"beats"))
params:set_action("reset all every",function(x)
for i=1,6 do
params:set(i.."reset every beat",x)
end
end)
params:add_option("continous rate","continous rate",{"no","yes"},1)
params:set_action("continous rate",update_parameters)
params:add_control("slew rate","slew rate",controlspec.new(0,30,'lin',0.1,(60/clock.get_tempo())*4,"s",0.1/30))
params:add_control("tape warble","tape warble",controlspec.new(0,100,'lin',1,0,'%'))
params:set_action("slew rate",function(x)
for i=1,6 do
softcut.level_slew_time(i,x)
softcut.rate_slew_time(i,x)
end
end)
params:add{type = "option", id = "scale_mode", name = "scale mode",
options = scale_names, default = 1,
action = function()
build_ji_rates()
uS.rateUpdate=true
end}
params:add_option("expert mode","expert mode",{"no","yes"},1)
params:set_action("expert mode",update_parameters)
-- add parameters
filter_resonance=controlspec.new(0.05,1,'lin',0,1,'')
filter_freq=controlspec.new(20,20000,'exp',0,20000,'Hz')
for i=1,6 do
params:add_group("loop "..i,41)
-- id name min max default k units
params:add_control(i.."start","start",controlspec.new(0,uC.loopMinMax[2],"lin",0.01,0,"s",0.01/uC.loopMinMax[2]))
params:add_control(i.."start lfo amp","start lfo amp",controlspec.new(0,1,"lin",0.01,0.2,"",0.01))
params:add_control(i.."start lfo period","start lfo period",controlspec.new(0,60,"lin",0.1,0,"s",0.1/60))
params:add_control(i.."start lfo offset","start lfo offset",controlspec.new(0,60,"lin",0.1,0,"s",0.1/60))
params:add_control(i.."length","length",controlspec.new(uC.loopMinMax[1],uC.loopMinMax[2],"lin",0.01,(60/clock.get_tempo())*i*4,"s",0.01/uC.loopMinMax[2]))
params:add_control(i.."length lfo amp","length lfo amp",controlspec.new(0,1,"lin",0.01,0.2,"",0.01))
params:add_control(i.."length lfo period","length lfo period",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."length lfo offset","length lfo offset",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."vol","vol",controlspec.new(0,1,"lin",0.01,0.1,"",0.01))
params:add_control(i.."vol lfo amp","vol lfo amp",controlspec.new(0,1,"lin",0.01,0.25,"",0.01))
params:add_control(i.."vol lfo period","vol lfo period",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."vol lfo offset","vol lfo offset",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_option(i.."rate","rate (%)",uC.discreteRates,#uC.discreteRates)
params:add_control(i.."rate adjust","rate adjust (%)",controlspec.new(-400,400,"lin",0.1,0,"%",0.1/800))
params:add_control(i.."rate tone","rate tone",controlspec.new(0,16,"lin",1,0,""))
params:set_action(i.."rate tone",function(v) uP[i].rateUpdate = true end)
params:add_option(i.."rate reverse","reverse rate",{"on","off"},2)
params:add_option(i.."rate lfo center","rate lfo center (%)",uC.discreteRates,#uC.discreteRates)
params:add_control(i.."rate lfo amp","rate lfo amp",controlspec.new(0,1,"lin",0.01,0.25,"",0.01))
params:add_control(i.."rate lfo period","rate lfo period",controlspec.new(0,60,"lin",0,0,"s",0.01/60))
params:add_control(i.."rate lfo offset","rate lfo offset",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."pan","pan",controlspec.new(-1,1,"lin",0.01,0,"",0.01/2))
params:add_control(i.."pan lfo amp","pan lfo amp",controlspec.new(0,1,"lin",0.01,0.2,"",0.01))
params:add_control(i.."pan lfo period","pan lfo period",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."pan lfo offset","pan lfo offset",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."reset every beat","reset every",controlspec.new(0,64,"lin",1,0,"beats"))
params:add_option(i.."randomize on reset","randomize on reset",{"no","params","loops","both"},1)
local loop_options = {"none"}
for j=i+1,6 do
table.insert(loop_options,"loop "..j)
end
params:add_option(i.."sync tape with","sync tape with",loop_options,1)
params:add {
type='control',
id=i..'filter_frequency',
name='filter cutoff',
controlspec=filter_freq,
formatter=Formatters.format_freq,
action=function(value)
uP[i].filterUpdate=true
end
}
-- TODO: add filter LFO!
params:add {
type='control',
id=i..'filter_reso',
name='filter resonance',
controlspec=filter_resonance,
action=function(value)
softcut.post_filter_rq(i,value)
end
}
params:add_control(i.."filter lfo amp","filter lfo amp",controlspec.new(0,1,"lin",0.01,0.25,"",0.01))
params:add_control(i.."filter lfo period","filter lfo period",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."filter lfo offset","filter lfo offset",controlspec.new(0,60,"lin",0,0,"s",0.1/60))
params:add_control(i.."crossfade","crossfade",controlspec.new(1,1000,'exp',0.1,150,'ms'))
params:set_action(i.."crossfade",function(x)
softcut.fade_time(i,x/1000)
softcut.recpre_slew_time(i,x/1000)
end)
params:add_control(i.."warble seed","warble seed",controlspec.new(0,128,"lin",1,1,""))
params:add{type='binary',name="play trig",id=i..'play trig',behavior='momentary',
action=function(v)
if v==1 then
tape_play(i)
uS.updateUI=true
end
end
}
params:add{type='binary',name="stop trig",id=i..'stop trig',behavior='momentary',
action=function(v)
if v==1 then
tape_stop_reset(i)
uS.updateUI=true
end
end
}
params:add{type='binary',name="recording trig",id=i..'recording trig',behavior='momentary',
action=function(v)
if v==1 then
if uS.recording[i]>0 then
tape_stop_rec(i)
else
tape_rec(i)
end
uS.updateUI=true
end
end
}
params:add{type='binary',name="arming trig",id=i..'arming trig',behavior='momentary',
action=function(v)
if v==1 then
if uS.recording[i]>0 then
tape_stop_rec(i)
else
tape_arm_rec(i)
end
uS.updateUI=true
end
end
}
params:add{type='binary',name="reset trig",id=i..'reset trig',behavior='momentary',
action=function(v)
if v==1 then
if uS.recording[i]>0 then
tape_stop_rec(i)
end
tape_reset(i)
uS.updateUI=true
end
end
}
params:add_file(i.."load_file","load audio",_path.audio)
params:set_action(i.."load_file",function(x)
if #x<=#_path.audio then
do return end
end
print("load_file",i,x)
loop_load_wav(i,x)
tape_play(i)
uS.updateUI=true
end)
params:add_option(i.."isempty","is empty",{"false","true"},2)
params:hide(i.."isempty")
end
params:add_option("choose mode","choose mode",uC.availableModes,1)
params:add{type='binary',name="activate mode",id='activate mode',behavior='trigger',
action=function(v)
if params:get("choose mode") == 1 then
do return end
end
activate_mode()
uS.updateUI=true
end
}
-- setup monosong parameters
monosong=monosong_:new()
params:set("root note",48)
params_read_silent(DATA_DIR.."oooooo.pset")
params:set('save_message',"")
params:set('load_name',name_folder)
init_loops(7)
-- make data directory
if not util.file_exists(PATH) then util.make_dir(PATH) end
-- initialize timer for updating screen
timer=metro.init()
timer.time=uC.updateTimerInterval
timer.count=-1
timer.event=update_timer
timer:start()
-- -- osc input
osc.event = osc_in
-- position poll
softcut.event_phase(update_positions)
softcut.poll_start_phase()
-- -- and initiate recording on incoming audio on input 1
-- p_amp_in=poll.set("amp_in_l")
-- -- set period low when primed, default 1 second
-- p_amp_in.time=1
-- p_amp_in.callback=function(val)
-- for i=1,6 do
-- if uS.recording[i]==1 and (params:get("input type")==1 or params:get("input type")>=4) then
-- -- print("incoming signal = "..val)
-- if val>params:get("rec thresh")/10000 then
-- tape_rec(i)
-- end
-- end
-- end
-- end
-- p_amp_in:start()
-- -- and initiate recording on incoming on audio input 2
-- p_amp_in2=poll.set("amp_in_r")
-- -- set period low when primed, default 1 second
-- p_amp_in2.time=1
-- p_amp_in2.callback=function(val)
-- for i=1,6 do
-- if uS.recording[i]==1 and (params:get("input type")==2 or params:get("input type")>=4) then
-- -- print("incoming signal = "..val)
-- if val>params:get("rec thresh")/10000 then
-- tape_rec(i)
-- end
-- end
-- end
-- end
-- p_amp_in2:start()
for i=1,6 do
params:set_action(i.."vol",function(x) uP[i].volUpdate=true end)
params:set_action(i.."length",function(x) uP[i].loopUpdate=true end)
params:set_action(i.."start",function(x) uP[i].loopUpdate=true end)
params:set_action(i.."pan",function(x) uP[i].panUpdate=true end)
params:set_action(i.."rate",function(x) uP[i].rateUpdate=true end)
params:set_action(i.."rate reverse",function(x) uP[i].rateUpdate=true end)
params:set_action(i.."rate adjust",function(x) uP[i].rateUpdate=true end)
params:set_action(i.."filter_frequency",function(x) uP[i].filterUpdate=true end)
end
redraw()
if params:get("start lfos random")==2 then
randomize_lfos()
end
-- end of init
if params:get("load on start")==2 then
-- backup_load()
if params:get("play on start")==2 then
tape_play(7)
end
else
for i=1,6 do
tape_stop(i)
tape_reset(i)
end
end
update_softcut_input()
update_softcut_input_lag(false)
-- setup middy
if params:get("use middy") == 2 and util.file_exists("/home/we/dust/code/middy") then
print("using middy")
local middy=include("middy/lib/middy")
local m1 = middy:init()
-- these lines of code are if you want to autoload
-- a specific file on startup:
-- m1:init_midi()
-- m1:init_map('/home/we/dust/data/middy/maps/nanokontrol-oooooo.json')
end
-- setup grids
if params:get("use kolor")==2 and util.file_exists(_path.code.."kolor")then
print("using kolor engine and allowing toggling")
engine.load("SimpleDelayKolor",function()
engine.name="SimpleDelayKolor"
oooooo_grid = grido:new({grid_on=true,toggleable=true})
local kolor = include("kolor/lib/kolor")
kolor_grid = kolor:new({grid_on=false,toggleable=true})
kolor_grid:toggle_grid(false)
oooooo_grid:toggle_grid(true)
kolor_grid:set_toggle_callback(function()
oooooo_grid:toggle_grid()
end)
oooooo_grid:set_toggle_callback(function()
kolor_grid:toggle_grid()
end)
show_message("loaded kolor")
end)
else
-- simply setup oooooo grid
oooooo_grid = grido:new()
end
-- bang some special parameters
params:delta("rec thresh",1)
params:delta("rec thresh",-1)
-- DEV comment this out
-- params:set("scale_mode",9)
-- params:set("choose mode",3)
-- activate_mode()
-- END INIT FUNCTION
end
-- switch between grids on kolor and oooooo
function switch_kolor_oooooo()
if oooooo_grid ~= nil and kolor_grid ~= nil then
local on = oooooo_grid.grid_on
oooooo_grid:toggle_grid(not on)
kolor_grid:toggle_grid(on)
end
end
function init_loops(j,ignore_pan)
audio.level_adc(1) -- input volume 1
i1=j
i2=j
if j==7 then
i1=1
i2=7
end
previous_uP = {table.unpack(uP)}
for i=i1,i2 do
print("initializing "..i)
uP[i]={}
uP[i].loopStart=0
uP[i].loopLength=(60/clock.get_tempo())*i*4
if params:get("start length")>0 then
uP[i].loopLength=(60/clock.get_tempo())*params:get("start length")
end
uP[i].loopUpdate=false
uP[i].position=0
uP[i].fc=20000
uP[i].recordedLength=0
uP[i].isStopped=true
uP[i].vol=0.5
uP[i].volUpdate=false
uP[i].rate=1
uP[i].rateUpdate=false
if ignore_pan == nil or not ignore_pan then
uP[i].pan=0
else
uP[i].pan = previous_uP[i].pan
end
uP[i].panUpdate=false
uP[i].filterUpdate=false
uP[i].lfoWarble={}
uP[i].destroying=false
if i<7 then
params:set(i.."start",0)
params:set(i.."start lfo amp",0.2)
params:set(i.."start lfo period",0)
params:set(i.."start lfo offset",0)
params:set(i.."length",uP[i].loopLength)
params:set(i.."length lfo amp",0.2)
params:set(i.."length lfo period",0)
params:set(i.."length lfo offset",0)
params:set(i.."vol",0.5)
params:set(i.."vol lfo amp",0.3)
params:set(i.."vol lfo period",0)
params:set(i.."vol lfo offset",0)
params:set(i.."rate",13)
params:set(i.."rate adjust",0)
params:set(i.."rate reverse",2)
params:set(i.."rate lfo center",10)
params:set(i.."rate lfo amp",0.2)
params:set(i.."rate lfo period",0)
params:set(i.."rate lfo offset",0)
if ignore_pan == nil or not ignore_pan then
params:set(i.."pan",0)
end
params:set(i.."pan lfo amp",0.5)
params:set(i.."pan lfo period",0)
params:set(i.."pan lfo offset",0)
params:set(i.."filter lfo amp",0.5)
params:set(i.."filter lfo period",0)
params:set(i.."filter lfo offset",0)
params:set(i.."reset every beat",0)
params:set(i.."isempty",2)
params:set(i.."play trig",0)
params:set(i.."arming trig",0)
params:set(i.."recording trig",0)
params:set(i.."reset trig",0)
params:set(i.."stop trig",0)
params:set(i.."rate tone",0)
end
for j=1,3 do
uP[i].lfoWarble[j]=math.random(1,60)
end
if i<7 then
-- update softcut
softcut.level(i,0.5)
softcut.pan(i,0)
softcut.play(i,0)
softcut.rate(i,1)
softcut.loop_start(i,uC.bufferMinMax[i][2])
softcut.loop_end(i,uC.bufferMinMax[i][2]+uP[i].loopLength)
softcut.loop(i,1)
softcut.rec(i,0)
-- fade time is redundant with recpre
-- softcut.fade_time(i,params:get("vol pinch")/1000)
softcut.level_slew_time(i,params:get("slew rate"))
softcut.rate_slew_time(i,params:get("slew rate"))
softcut.recpre_slew_time(i,params:get(i.."crossfade")/1000)
softcut.fade_time(i,params:get(i.."crossfade")/1000)
softcut.rec_level(i,params:get("rec level"))
softcut.pre_level(i,params:get("pre level"))
softcut.buffer(i,uC.bufferMinMax[i][1])
softcut.position(i,uC.bufferMinMax[i][2])
softcut.enable(i,1)
softcut.phase_quant(i,0.025)
softcut.post_filter_dry(i,0.0)
softcut.post_filter_lp(i,1.0)
softcut.post_filter_rq(i,1.0)
softcut.post_filter_fc(i,18000)
softcut.pre_filter_dry(i,1.0)
softcut.pre_filter_lp(i,1.0)
softcut.pre_filter_rq(i,1.0)
softcut.pre_filter_fc(i,18000)
end
end
build_ji_rates()
end
function build_ji_rates()
notes = MusicUtil.generate_scale_of_length(60, params:get("scale_mode"), 24)
tones = intonation
uS.toneRates = {}
for i,note in ipairs(notes) do
ratio_index = note - 60 + 1
if ratio_index > #tones then
break
end
table.insert(uS.toneRates,tones[ratio_index])
end
end
function activate_mode()
print(uC.availableModes[params:get("choose mode")])
if uC.availableModes[params:get("choose mode")]=="stereo looping" then
activate_mode_default()
for i=1,6 do
params:set(i.."pan",((i+1)%2+1)*2-3+math.floor(i/2)/10*(((i)%2+1)*2-3))
end
params:set("1sync tape with",2)
params:set("3sync tape with",2)
params:set("5sync tape with",2)
params:set("input type",5)
elseif uC.availableModes[params:get("choose mode")]=="delaylaylay" then
activate_mode_default()
for i=1,5 do
params:set(i.."sync tape with",2)
end
params:set("stop rec after",64)
params:set("rec level",0.5)
params:set("pre level",0.4)
for i=1,6 do
params:set(i.."length",math.random()*2)
randomize_parameters(7)
randomize_loops(7)
randomize_lfos(7)
tape_rec(i)
params:set(i.."length lfo period",math.random()*30+5)
params:set(i.."length lfo offset",math.random()*60)
end
elseif uC.availableModes[params:get("choose mode")]=="default" then
activate_mode_default()
end
params:set("choose mode",1)
end
function activate_mode_default()
for i=1,6 do
params:set(i.."sync tape with",1)
tape_stop(i)
tape_reset(i)
end
default_global_parameters = {
["pre level"]=1,
["rec level"]=1,
["rec thresh"]=85,
["rec thru loops"]=1,
["stop rec after"]=1,
["input type"]=4,
["sync lengths to first"]=1,
["pause lfos"]=1,
["destroy loops"]=0,
["vol ramp"]=0,
["randomize all on reset"]=1,
["reset all every"]=0,
["continous rate"]=1,
["slew rate"]=(60/clock.get_tempo())*4,
}
for k,v in pairs(default_global_parameters) do
params:set(k,v)
end
init_loops(7)
end
function randomize_parameters(j)
i1=j
i2=j
if j==7 then
i1=1
i2=6
end
for i=i1,i2 do
params:set(i.."rate adjust",0)
-- randomize rates between 25%, 50%, 100%, 200%, 400%
-- params:set(i.."rate",math.random(#uC.discreteRates))
-- randomize rates between 25%, 50%, 100%
params:set(i.."rate",math.random(3)+5)
params:set(i.."rate reverse",math.floor(math.random()*2)+1)
uP[i].rateUpdate=true
params:set(i.."vol",math.random()*0.6+0.2)
uP[i].volUpdate=true
params:set(i.."pan",math.random()*2-1)
uP[i].panUpdate=true
end
end
function randomize_loops(j)
i1=j
i2=j
if j==7 then
i1=1
i2=6
end
for i=i1,i2 do
params:set(i.."length",util.clamp(params:get(i.."length")+math.random()*2-1,uC.loopMinMax[1],uC.loopMinMax[2]))
uP[i].loopUpdate=true
end
end
function toggle_reverse()
for i=1,6 do
params:set(i.."rate reverse",3-params:get(i.."rate reverse"))
end
end
function randomize_lfos()
for i=1,6 do
-- params:set(i.."length lfo period",math.random()*30+5)
-- params:set(i.."length lfo offset",math.random()*60)
params:set(i.."vol lfo period",round_time_to_nearest_beat(math.random()*20+2))
params:set(i.."vol lfo offset",round_time_to_nearest_beat(math.random()*60))
params:set(i.."vol lfo amp",math.random()*0.25+0.1)
params:set(i.."pan lfo amp",math.random()*0.6+0.2)
params:set(i.."pan lfo period",round_time_to_nearest_beat(math.random()*20+2))
params:set(i.."pan lfo offset",round_time_to_nearest_beat(math.random()*60))
end
end
--
-- updaters
--
function update_softcut_input()
for i=1,6 do
if params:get("input type")==1 then
-- print("input L only channel "..i)
softcut.level_input_cut(1,i,1)
softcut.level_input_cut(2,i,0)
audio.level_adc_cut(1)
audio.level_tape_cut(0)
elseif params:get("input type")==2 then
-- print("input R only channel "..i)
softcut.level_input_cut(1,i,0)
softcut.level_input_cut(2,i,1)
audio.level_adc_cut(1)
audio.level_tape_cut(0)
elseif params:get("input type")==3 then
print("tape only")
audio.level_tape_cut(1)
audio.level_adc_cut(0)
elseif params:get("input type")==5 then
-- print("stereo "..i)
if i%2==0 then
softcut.level_input_cut(1,i,1)
softcut.level_input_cut(2,i,0)
else
softcut.level_input_cut(1,i,0)
softcut.level_input_cut(2,i,1)
end
audio.level_adc_cut(1)
audio.level_tape_cut(1)
else
-- print("tape+input L+R "..i)
softcut.level_input_cut(1,i,1)
softcut.level_input_cut(2,i,1)
audio.level_adc_cut(1)
audio.level_tape_cut(1)
end
end
end
function update_softcut_input_lag(on)
if params:get("input type")==3 or on==uS.lagActivated then
-- do nothing if using just tape or already activated
do return end
end
uS.lagActivated=on
if on then
print("update_softcut_input_lag: activated")
-- engine.volume(1.0)
-- add lag to recording using a simple delay engine
audio.level_monitor(0) -- turn off monitor to keep from hearing doubled audio
audio.level_eng_cut(1)
audio.level_adc_cut(0)
else
print("update_softcut_input_lag: deactivated")
-- engine.volume(0.0)
audio.level_monitor(1) -- turn on monitor
audio.level_eng_cut(0)
audio.level_adc_cut(1)
end
end
function update_parameters(x)
params:write(DATA_DIR.."oooooo.pset")
end
function update_positions(i,x)
-- adjust position so it is relative to loop start
currentPosition=uP[i].position
uP[i].position=x-uC.bufferMinMax[i][2]
if currentPosition==uP[i].position then
do return end
end
if uP[i].position<0 then
uP[i].position=uP[i].loopStart
end
uS.updateUI=true
end
function update_timer()
if params:get("pause lfos")==1 then
uS.currentTime=uS.currentTime+uC.updateTimerInterval
end
-- -- update the count for the lfos
-- uC.lfoTime=uC.lfoTime+uC.updateTimerInterval
-- if uC.lfoTime>376.99 then -- 60 * 2 * pi
-- uC.lfoTime=0
-- end
-- tape_warble()
if uS.updateUI then
redraw()
end
for i=1,6 do
if uS.recording[i]==2 then
previousRecordingTime=uS.recordingTime[i]
uS.recordingTime[i]=uS.recordingTime[i]+uC.updateTimerInterval
if uS.recordingTime[i]>=uP[i].loopLength then
uS.recordingLoopNum[i]=uS.recordingLoopNum[i]+1
-- print("uS.recordingLoopNum[i]: "..uS.recordingLoopNum[i])
if uS.recordingLoopNum[i]>=params:get("stop rec after") and uS.recordingLoopNum[i]<64 then
-- stop recording when reached a full loop
tape_stop_rec(i,false)
else
uS.recordingTime[i]=0
end
-- elseif params:get("vol pinch") > 0 and uS.recordingTime[i]>=uP[i].loopLength/2 and previousRecordingTime<uP[i].loopLength/2 then
-- clock.run(function()
-- softcut_add_postroll(i)
-- end)
end
end
end
if math.floor(clock.get_beats())~=uS.currentBeat then
-- a beat has been hit
if params:get("vol ramp")~=0 then
for i=1,6 do
params:set(i.."vol",util.clamp(params:get(i.."vol")+params:get("vol ramp")/10,0,1))
end
end
if params:get("destroy loops")>0 and math.random()*100<params:get("destroy loops") then
-- cause destruction to moving non empty loops
nonEmptyLoops={}
for i=1,6 do
if params:get(i.."isempty")==1 and uP[i].isStopped==false and uP[i].destroying==false then
table.insert(nonEmptyLoops,i)
end
end
if #nonEmptyLoops>0 then
-- select a loop at random
loopDestroy=nonEmptyLoops[math.random(#nonEmptyLoops)]
clock.run(function()
numBeats=uC.discreteBeats[math.random(#uC.discreteBeats)]
preLevel=math.random()
print("destroying "..loopDestroy.." for "..numBeats.." at "..preLevel.." pre level")
uP[loopDestroy].destroying=true
softcut.rec_level(loopDestroy,0)
softcut.pre_level(loopDestroy,preLevel)
softcut.rec(loopDestroy,1)
clock.sync(numBeats)
softcut.rec_level(loopDestroy,1)
softcut.pre_level(loopDestroy,1)
softcut.rec(loopDestroy,0)
uP[loopDestroy].destroying=false
end)
end
end
uS.currentBeat=math.floor(clock.get_beats())
for i=1,6 do
if params:get(i.."reset every beat")>0 then
if uS.currentBeat%params:get(i.."reset every beat")==0 then
tape_reset(i)
end
end
end
end
for i=1,6 do
if uP[i].volUpdate or (params:get(i.."vol lfo period")>0 and params:get("pause lfos")==1 and params:get(i.."vol lfo amp")>0) then
uS.updateUI=true
uP[i].volUpdate=false
uP[i].vol=params:get(i.."vol")
if uP[i].vol>0 and params:get(i.."vol lfo period")>0 and params:get("pause lfos")==1 then
uP[i].vol=uP[i].vol+params:get(i.."vol lfo amp")*calculate_lfo(uS.currentTime,params:get(i.."vol lfo period"),params:get(i.."vol lfo offset"))
uP[i].vol=util.clamp(uP[i].vol,0,1)
end
softcut.level(i,uP[i].vol)
end
if uP[i].rateUpdate or (params:get("tape warble")>0 and params:get(i.."warble seed")>0) or (params:get(i.."rate lfo period")>0 and params:get("pause lfos")==1 and params:get(i.."rate lfo amp")>0) or
uP[i].rate~=(uC.discreteRates[params:get(i.."rate")]+params:get(i.."rate adjust"))*(params:get(i.."rate reverse")*2-3)/100.0 then
uS.updateUI=true
uP[i].rateUpdate=false
local currentRateIndex=params:get(i.."rate")
if params:get(i.."rate lfo period")>0 and params:get(i.."rate lfo amp")>0 and params:get("pause lfos")==1 then
currentRateIndex=util.clamp(params:get(i.."rate lfo center")+round(util.linlin(-1,1,-#uC.discreteRates,#uC.discreteRates,params:get(i.."rate lfo amp")*calculate_lfo(uS.currentTime,params:get(i.."rate lfo period"),params:get(i.."rate lfo offset")))),1,#uC.discreteRates)
-- currentRateIndex=util.clamp(round(util.linlin(-1,1,0,1+#uC.discreteRates,params:get(i.."rate lfo amp")*calculate_lfo(uS.currentTime,params:get(i.."rate lfo period"),params:get(i.."rate lfo offset")))),1,#uC.discreteRates)
end
local toneRate = uS.toneRates[params:get(i.."rate tone")%#uS.toneRates+1]
uP[i].rate=(uC.discreteRates[currentRateIndex]+params:get(i.."rate adjust"))*(params:get(i.."rate reverse")*2-3)/100.0*toneRate
if params:get("tape warble")>0 and params:get(i.."warble seed")>0 then
local warbleAmount=0
math.randomseed(params:get(i.."warble seed"))
for j=1,4 do
warbleAmount=warbleAmount+math.sin(2*math.pi*uS.currentTime/math.random(1,60))*math.random()/4
end
math.randomseed( os.time() )
softcut.rate(i,uP[i].rate*(1+params:get("tape warble")/200*warbleAmount))
else
softcut.rate(i,uP[i].rate)
end
end
if uP[i].panUpdate or (params:get(i.."pan lfo period")>0 and params:get("pause lfos")==1 and params:get(i.."pan lfo amp")>0) then
uS.updateUI=true
uP[i].panUpdate=false
uP[i].pan=params:get(i.."pan")
if params:get(i.."pan lfo period")>0 and params:get("pause lfos")==1 then
uP[i].pan=uP[i].pan+params:get(i.."pan lfo amp")*calculate_lfo(uS.currentTime,params:get(i.."pan lfo period"),params:get(i.."pan lfo offset"))
end
uP[i].pan=util.clamp(uP[i].pan,-1,1)
softcut.pan(i,uP[i].pan)
end
if uP[i].loopUpdate or (params:get(i.."length lfo period")>0 and params:get("pause lfos")==1 and params:get(i.."length lfo amp")>0) or
(params:get(i.."start lfo period")>0 and params:get("pause lfos")==1 and params:get(i.."start lfo amp")>0) then
uS.updateUI=true
uP[i].loopUpdate=false
uP[i].loopStart=params:get(i.."start")
if params:get(i.."start lfo period")>0 and params:get("pause lfos")==1 then
uP[i].loopStart=params:get(i.."start")+uP[i].loopLength*params:get(i.."start lfo amp")*((1+calculate_lfo(uS.currentTime,params:get(i.."start lfo period"),params:get(i.."start lfo offset")))/2)
uP[i].loopStart=util.clamp(uP[i].loopStart,params:get(i.."start"),uP[i].loopLength+params:get(i.."start"))
end
uP[i].loopLength=params:get(i.."length")
if params:get(i.."length lfo period")>0 and params:get("pause lfos")==1 then
uP[i].loopLength=uP[i].loopLength*(1+params:get(i.."length lfo amp")*calculate_lfo(uS.currentTime,params:get(i.."length lfo period"),params:get(i.."length lfo offset")))/2
end
if uP[i].loopLength+uP[i].loopStart>uC.loopMinMax[2] then
-- loop length is too long, shorten it
uP[i].loopLength=uC.loopMinMax[2]-uP[i].loopStart
end
-- move to start of loop if position is outside of loop
if (uP[i].position<uP[i].loopStart or uP[i].position>uP[i].loopStart+uP[i].loopLength) then
uP[i].position=uP[i].loopStart
softcut.position(i,uP[i].position+uC.bufferMinMax[i][2])
end
softcut.loop_start(i,uP[i].loopStart+uC.bufferMinMax[i][2])
softcut.loop_end(i,uP[i].loopStart+uC.bufferMinMax[i][2]+uP[i].loopLength)
end
if uP[i].filterUpdate or (params:get(i.."filter lfo period")>0 and params:get("pause lfos")==1 and params:get(i.."filter lfo amp")>0) then
uP[i].filterUpdate=false
local fc=params:get(i.."filter_frequency")
if fc>0 and params:get(i.."filter lfo period")>0 and params:get("pause lfos")==1 then
fc = util.linlin(50,18000,-1,1,fc)
fc=fc+params:get(i.."filter lfo amp")*calculate_lfo(uS.currentTime,params:get(i.."filter lfo period"),params:get(i.."filter lfo offset"))
fc = util.linlin(-1,1,50,18000,util.clamp(fc,-1,1))
end
uP[i].fc = fc
softcut.post_filter_fc(i,fc)
end
end
end
--
-- saving and loading
--
function loop_load_wav(i,fname)