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Thomas Herrmann 2022-03-28 13:02:05 +02:00
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README.md
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# underbridge
Multitrack exporter for OP-Z
## Despriciption
- Exports Patterns and projects individual Audio Tracks to seperate folders for use in your DAW
- Python cross plattform with single file binary for x86 linux
## Steps
- connect OP-Z via USB
- run underbridge.fun
### Single Pattern Mode
- Select Pattern you want to export
- Enter name for the project. This is used for the folder structure
- Get BPM from led code or Smartphone app.
- Enter BPM and longest Bar of you track (1-4)
- Optionally enter additional seconds at the end of the recording to capture reverb tails etc.
- Select pattern mode
- Select directory you want to record the waves to
- Click record and wait until finished.
### Project mode
- choose first pattern in your project as starting point
- Select project mode
- Everything else like above

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underbridge.py Normal file
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import mido
import pyaudio
import wave
from tkinter import *
from tkinter import filedialog as fd
import time
import threading
import os
loop_time = 0
inport = 0
outport = 0
path = 0
folder = 0
j = 0
mode_select=0
addsec = 0
def getMIDIDevice():
pass
def getBPM():
inport= mido.open_input('OP-Z:OP-Z MIDI 1 20:0')
msg = inport.poll()
print(msg)
def setLoop():
global loop_time
bpm = bpm_input.get()
bar = bar_input.get()
addsec = add_sec.get()
loop_time = (240 / int(bpm) * int(bar)) + int(addsec)
print("Loop time set!")
displaymsg.set("BPM Set!")
return time
def setParam():
setLoop()
mode = mode_select.get()
if mode == 2:
projnr = project_input.get()
setProject(projnr)
def openMidi():
global outport
outport= mido.open_output('OP-Z:OP-Z MIDI 1 20:0')
print(outport)
def setProject(projnr):
global outport
msg= mido.Message('program_change',song= projnr, program = 1)
outport.send(msg)
def muteAll():
global outport
for i in range (0,15):
msg = mido.Message('control_change',control= 53, channel= i, value=1)
outport.send(msg)
def setSolo(chn):
global outport
msg = mido.Message('control_change',control= 53, channel= chn, value=0)
outport.send(msg)
def start_MIDI():
global outport
msg = mido.Message('start')
outport.send(msg)
displaymsg.set("Playback started")
def stop_MIDI():
global outport
msg = mido.Message('stop')
outport.send(msg)
displaymsg.set("Playback stopped")
def nextPattern():
global outport
msg = mido.Message('control_change', control = 103, value = 16)
outport.send(msg)
displaymsg.set("Next Pattern")
def nextSong():
pass
def closeMidi():
pass
def setPath():
global path
folder = name_input.get()
path = fd.askdirectory()
displaymsg.set("Directory set")
makeDir()
def makeDir():
global folder
folder = name_input.get()
os.mkdir(folder)
def start_Rec():
displaymsg.set("Recording...")
global path
global time
global j
CHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 2
RATE = 44100
RECORD_SECONDS = loop_time
WAVE_OUTPUT_FILENAME = name_input.get()+ "_" + "track" + str(j+1) + ".wav"
p = pyaudio.PyAudio()
stream = p.open(format=FORMAT,
channels=CHANNELS,
rate=RATE,
input=True,
frames_per_buffer=CHUNK
)
print("* recording")
start_MIDI()
frames = []
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
data = stream.read(CHUNK)
frames.append(data)
print("Done recording")
stream.stop_stream()
stream.close()
p.terminate()
wf = wave.open(path + '/'+ folder + '/' + WAVE_OUTPUT_FILENAME, 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(b''.join(frames))
wf.close()
j = j + 1
displaymsg.set("End of Recording")
def sequenceMaster():
print("test")
for i in range (0,8):
print("sequence started",i)
displaymsg.set("Sequence started")
openMidi()
muteAll()
setSolo(i)
#starting Midi during wave record for timing
start_Rec()
#print(i)
stop_MIDI()
mode = mode_select.get()
if i == 7 and mode == 2:
print(mode_select)
stop_MIDI()
time.sleep(5)
nextPattern()
sequenceMaster()
#GUI Main
buttonsize_x = 8
buttonsize_y = 2
mode_select = 0
root = Tk()
root.title('underbridge for OP-Z')
root.resizable(width=False, height=False) #565A5E
root.tk_setPalette(background='#565A5E', foreground='black',activeBackground='#283867', activeForeground='black' )
upperframe= LabelFrame(root, text= "Parameter",padx= 10, pady =10, fg = 'white')
upperframe.grid(row = 0, column = 0, padx =2, pady =2, columnspan=7)
lowerframe= Frame(root,padx= 15, pady =10)
lowerframe.grid(row = 1, column = 0, padx =2, pady =2, columnspan=7)
mode_select = IntVar()
displaymsg = StringVar()
#root.geometry('550x150+0+0')
Get_BPM = Button(upperframe, text="Get BPM",width = buttonsize_x, height = buttonsize_y, fg = 'white', command = lambda:getBPM())
#ALL = Radiobutton(lowerframe, text= 'ALL', value = 1 , variable = mode_select, width = buttonsize_x, height = buttonsize_y , indicatoron = 0, bg= '#1b7d24' )
Song = Radiobutton(lowerframe, text= 'Project', value = 2 , variable = mode_select, width = buttonsize_x, height = buttonsize_y , indicatoron = 0, bg= '#1b7d24' )
Pattern = Radiobutton(lowerframe, text= 'Pattern', value = 3 , variable = mode_select, width = buttonsize_x, height = buttonsize_y, indicatoron = 0,bg= '#1b7d24' )
Pattern.select()
bar_input = Scale(upperframe, from_ = 1, to = 4, orient = HORIZONTAL, label="Nr. Bars", sliderlength= 10, length= 75, fg = 'white')
#bar_text = Label(upperframe,text="Nr. of Bars", width = 8, height = 1)
patterns_input = Scale(upperframe, from_ = 1, to = 10, orient = HORIZONTAL, label="Patterns",sliderlength= 10, length= 75, fg = 'white')
bpm_input = Entry(upperframe, width =10, text="BPM",bg= 'white')
#bpm_text = Label(upperframe,text="BPM", width = 8, height = 1)
bpm_input.insert(0, "BPM")
#project_input = Entry(upperframe, width =10, text="Project",bg= 'white')
#bpm_text = Label(upperframe,text="BPM", width = 8, height = 1)
#project_input.insert(0, "Project Nr.")
add_sec = Scale(upperframe, from_ = 0, to = 10, orient = HORIZONTAL, label="extra Sec", sliderlength= 10, length= 75, fg = 'white')
#add_text = Label(upperframe,text="Sec offset", width = 8, height = 1)
name_input = Entry(upperframe, width =10, text="Name",bg = 'white')
name_input.insert(0, "Name")
#name_text = Label(upperframe,text="Prj Name", width = 8, height = 1)
set_param = Button(lowerframe, text="set Param",width = buttonsize_x, height = buttonsize_y, fg = 'white',bg= 'blue', command = lambda:setParam())
set_path = Button(lowerframe, text="Directory",width = buttonsize_x, height = buttonsize_y,fg = 'white',bg= 'blue', command = lambda:setPath())
start_recording = Button(lowerframe, text="Record",width = buttonsize_x, height = buttonsize_y,fg = 'white', bg = 'red', command = lambda: threading.Thread(target = sequenceMaster()).start())
tutorial = Label(root,text="Enter Parameter, then press set_length, choose directory and start recording", width = 75, height = 2, bg ='grey',fg= 'white', relief = SUNKEN)
display = Label(root,textvariable= displaymsg, width = 75, height = 2, bg ='white', relief = SUNKEN)
#Get_BPM.grid(row = 1, column = 0, padx =2, pady =2)
#ALL.grid(row = 1, column = 0, padx =5, pady =2)
Song.grid(row = 1, column = 1, padx =5, pady =2)
Pattern.grid(row = 1, column = 2, padx =5, pady =2)
name_input.grid(row = 0, column = 0, padx =5, pady =0)
#name_text.grid(row = 1, column = 2, padx =0, pady =0)
bpm_input.grid(row = 0, column = 1, padx =5, pady =0)
#bpm_text.grid(row = 0, column = 0, padx =0, pady =0)
#project_input.grid(row = 0, column = 2, padx =5, pady =0)
bar_input.grid(row = 0, column = 3, padx =5, pady =2)
#bar_text.grid(row = 1, column = 2, padx =0, pady =0)
patterns_input.grid(row = 0, column = 4, padx =5, pady =2)
add_sec.grid(row = 0, column = 5, padx =5, pady =2)
#add_text.grid(row = 1, column = 0, padx =0, pady =0)
set_param.grid(row = 1, column = 3, padx =5, pady =10)
set_path.grid(row = 1, column = 4, padx =5, pady =10)
start_recording.grid(row = 1, column = 5, padx =5, pady =10)
tutorial.grid(row = 2, column = 0, padx =2, pady =10, columnspan=7)
display.grid(row = 3, column = 0, padx =2, pady =2, columnspan=7)
root.mainloop()