Initial commit

level4.py

@@ -0,0 +1,42 @@
+"""
+Niveau 4
+Jouer des accords
+
+Ne pas introduire le facteur d'amplitude avant d'avoir entendu le résultat sans lui
+"""
+
+import synthlib, math, sys
+
+music = synthlib.midi()
+
+active = {}
+wait = 0
+tt = 0
+t = 0
+loop = True
+
+sound_encoder = synthlib.SoundEncoder()
+while loop:
+	if wait == 0:
+		while True:
+			event = music[tt]
+			tt += 1
+			if event.type == synthlib.Note:
+				if event.velocity == 0:
+					if event.number in active:
+						active.pop(event.number)
+					sys.stderr.write("pop "+str(event.number)+"\n")
+				else:
+					active[event.number] = event.velocity
+					sys.stderr.write(str(event.velocity)+"  "+str(event.number)+"  ("+str(len(active))+")\n")
+			elif event.type == synthlib.Wait:
+				wait = int(event.value*8000)
+				break
+			elif event.type == synthlib.End:
+				loop = False
+				break
+	else:
+		wait -= 1
+	
+	sound_encoder.write_sample(sum([active[number]*math.sin(t/16000*440*2**(number/12)*2*math.pi) for number in active])/max(1,len(active)))
+	t += 1