Create sampSeq
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auscarpenter
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276
sampSeq
Normal file
276
sampSeq
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import threading
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import mido
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import pygame
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import glob
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import numpy
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import os
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import sys
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from subprocess import call
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class Data():
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def __init__(self, *args, **kwargs):
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#stores point in sequence and bpm
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self.time = 120
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self.started = False
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self.tick = 31
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return super().__init__(*args, **kwargs)
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class Sequencer(threading.Thread):
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def __init__(self, event):
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threading.Thread.__init__(self)
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self.stopped = event
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threading.Thread.daemon = True
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def run(self):
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while not self.stopped.wait((60000/d.time) / 5000):
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if d.started == True:
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seqAdvance()
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# call a function
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class ThreadedMidi(threading.Thread):
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def __init__(self, *args, **kwargs):
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threading.Thread.__init__(self, *args, **kwargs)
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self.daemon = True
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self.start()
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def run(self):
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# get mido going
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ins = mido.get_input_names()
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print(ins)
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inport = mido.open_input(ins[0])
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for msg in inport:
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print(msg)
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if msg.type != "program_change":
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if msg.type == "note_on":
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playSound(msg.note)
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else:
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toggleSeq()
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##FUNCTIONS
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def playSound(note):
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#Func is sent a note num, plays note and assigns it to sequence
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global delCur;
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global OVRHT;
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tok = d.tick
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i = 0;
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makeNoise(note)
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if d.started == True:
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if delCur == False:
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if OVRHT == True:
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while i < 5:
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if i < 4:
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if seq[i][tok] == 0:
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if re == True:
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if d.tick % 2: seq[i][tok - 1] = note;
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else: seq[i][tok] = note;
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else:
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seq[i][d.tick] = note;
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break;
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if seq[i][d.tick] == note:
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break;
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else:
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#first in is the first out
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seq[1][d.tick] = seq[0][d.tick]
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seq[2][d.tick] = seq[1][d.tick]
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seq[3][d.tick] = seq[2][d.tick]
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seq[0][d.tick] = note
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i = i + 1
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def makeNoise(note):
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j = 0;
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while j < len(noteList):
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if note==noteList[j]:
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cha[j].play(s[j])
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break;
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j = j + 1
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def toggleSeq():
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#Func turns on and off sequence
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if d.started == True:
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d.started = 0
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print(d.started)
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else:
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d.started = 1
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def seqAdvance():
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#Func is called to cycle through the sequence
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if d.tick < seqSize - 1:
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d.tick += 1
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else:
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d.tick = 0
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if met == True:
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if d.tick == 0 or d.tick == 8 or d.tick == 16 or d.tick == 24:
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if d.tick == 0:
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pygame.mixer.Channel(8).set_volume(1); pygame.mixer.Channel(8).play(metro);
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else:
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pygame.mixer.Channel(8).set_volume(.4); pygame.mixer.Channel(8).play(metro);
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if seq[0][d.tick] != 0: makeNoise(seq[0][d.tick])
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if seq[1][d.tick] != 0: makeNoise(seq[1][d.tick])
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if seq[2][d.tick] != 0: makeNoise(seq[2][d.tick])
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if seq[3][d.tick] != 0: makeNoise(seq[3][d.tick])
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def recall(sequenceNum,re):
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if re == True:
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print("recalled sequence: " + str(sequenceNum))
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seq[0] = sav[sequenceNum][0]
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seq[1] = sav[sequenceNum][1]
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seq[2] = sav[sequenceNum][2]
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seq[3] = sav[sequenceNum][3]
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else:
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print("saved sequence: " + str(sequenceNum))
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sav[sequenceNum][0] = seq[0].copy()
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sav[sequenceNum][1] = seq[1].copy()
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sav[sequenceNum][2] = seq[2].copy()
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sav[sequenceNum][3] = seq[3].copy()
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def setWavs(pathnm):
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if re == True:
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pathnm = pathnm + 9
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if pathnm <= foldNum:
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wavs = glob.glob(paths[pathnm - 1])
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print("Loaded Bank " + str(paths[pathnm - 1]))
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wavs = sorted(wavs)
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for i in range(len(wavs)):
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if i > 15: break
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else: s[i] = pygame.mixer.Sound(wavs[i])
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##INIT PYGAME MIXER
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pygame.mixer.pre_init(22050, -16, 8, 512)
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pygame.init()
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swing = 0
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setMidi = False
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met = True
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##GET WAVES FROM CURRENT FOLDER
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chnWav = False
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foldNum = 1 #CHANGE TO NUMBER OF SUBFOLDERS
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paths = [0] * foldNum
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extension = '/*.wav'
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iya = 0
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for root, dirs, files in os.walk("."):
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for dir in dirs:
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print(dir)
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paths[iya] = (dir + extension)
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iya = iya + 1
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wavs = glob.glob(paths[0])
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wavs = sorted(wavs)
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mets = glob.glob('*.wav')
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##MIDI NOTE NUMBERS TO PLAY
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noteList = [36, 38, 40, 41, 43, 45, 47, 48, 50, 52, 53, 55, 57, 59, 60, 62]
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##SEQUENCER SIZE
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seqSize = 32
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##SEQUENCES
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delCur = False
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stopper = False
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OVRHT = False
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seq = numpy.zeros(shape=(4,seqSize))
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sav = numpy.zeros(shape=(7,4,seqSize))
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##SETUP MAIN VARIABLES IN DATA
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d = Data()
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##SETUP SEQUENCER CLASS
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stopFlag = threading.Event()
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sequence = Sequencer(stopFlag)
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sequence.start()
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pygame.mixer.set_num_channels(9)
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##SETUP ARRAYS FOR CHANNELS AND SOUNDFILES
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s = [0] * 16
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cha = [0] * 16
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metro = pygame.mixer.Sound(mets[0])
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for i in range(len(wavs)):
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if i > 15: break
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else:
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print(str(i))
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if i > 7 :
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cha[i] = pygame.mixer.Channel(i - 8);
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else:
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cha[i] = pygame.mixer.Channel(i);
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s[i] = pygame.mixer.Sound(wavs[i])
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##START RUNNING MIDI
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tm = ThreadedMidi(name='Play-Thread')
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re = True
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pygame.display.set_mode()
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while True:
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for event in pygame.event.get():
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if event.type == pygame.KEYDOWN:
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if event.key == pygame.K_KP_PLUS:
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if chnWav == True: d.time = d.time + 15
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else:
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if re == False: d.time = d.time + 1
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else: d.time = d.time + 5
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if event.key == pygame.K_KP_MINUS:
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if chnWav == True: d.time = d.time - 15
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else:
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if re == False: d.time = d.time - 1
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else: d.time = d.time - 5
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if event.key == pygame.K_KP_ENTER:
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toggleSeq()
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d.tick = 31
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if event.key == pygame.K_KP_MULTIPLY:
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chnWav = True
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if event.key == pygame.K_NUMLOCK:
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if chnWav == True:
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call("sudo shutdown -h now", shell=True)
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pygame.quit()
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sys.exit()
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if event.key == pygame.K_KP0:
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if re == False:
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seq[0] = [0] * seqSize;
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seq[1] = [0] * seqSize;
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seq[2] = [0] * seqSize;
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seq[3] = [0] * seqSize;
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else:
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delCur = True
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if event.key == pygame.K_KP_PERIOD:
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re = False
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if event.key == pygame.K_KP8:
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if chnWav == True: setWavs(8)
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else:
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if met == True: met = False
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else: met = True
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if event.key == pygame.K_KP9:
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if chnWav == True: setWavs(9)
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else:
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if OVRHT == True: OVRHT = False
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else: OVRHT = True
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if event.key == pygame.K_KP1:
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if chnWav == True: setWavs(1)
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else: recall(1,re)
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if event.key == pygame.K_KP2:
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if chnWav == True: setWavs(2)
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else: recall(2,re)
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if event.key == pygame.K_KP3:
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if chnWav == True: setWavs(3)
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else: recall(3,re)
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if event.key == pygame.K_KP4:
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if chnWav == True: setWavs(4)
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else: recall(4,re)
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if event.key == pygame.K_KP5:
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if chnWav == True: setWavs(5)
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else: recall(5,re)
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if event.key == pygame.K_KP6:
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if chnWav == True: setWavs(6)
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else: recall(6,re)
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if event.key == pygame.K_KP7:
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if chnWav == True: setWavs(7)
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if event.type == pygame.KEYUP:
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if event.key == pygame.K_KP_PERIOD:
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re = True
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if event.key == pygame.K_KP0:
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delCur = False
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if event.key == pygame.K_KP_MULTIPLY:
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chnWav = False
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