#!/usr/bin/env python
# encoding: utf-8
"""
Calling Python function from an audio stream with the Score object.

"""
from pyo import *
import random

s = Server(duplex=0).boot()

# Frequency of event generation in Hz
GEN_FREQ = 0.25

aamp = Linseg([(0, 0), (1.0 / GEN_FREQ, 1), (2.0 / GEN_FREQ, 0)], mul=0.5).stop()
asyn = Rossler(pitch=0.25, chaos=0.5, stereo=True, mul=aamp).out()

bamp = Linseg([(0, 0), (1.0 / GEN_FREQ, 1), (2.0 / GEN_FREQ, 0)], mul=0.25).stop()
bsyn = SineLoop(freq=[100, 100], feedback=0.05, mul=bamp).out()

camp = Linseg([(0, 0), (1.0 / GEN_FREQ, 1), (2.0 / GEN_FREQ, 0)], mul=0.25).stop()
csyn = FM(carrier=[100, 100], ratio=[0.49, 0.5], index=6, mul=camp).out()


def event_0():
    print("playing chaotic attractor")
    asyn.pitch = random.uniform(0.25, 0.75)
    asyn.chaos = random.uniform(0.2, 0.8)
    aamp.play()


def event_1():
    print("playing looped oscillator")
    bsyn.freq = [random.choice(list(range(50, 501, 50))) * random.uniform(0.99, 1.01) for i in range(2)]
    bsyn.feedback = random.uniform(0.01, 0.1)
    bamp.play()


def event_2():
    print("playing frequency modulation")
    csyn.carrier = [random.choice([50, 100, 150, 200, 250]) * random.uniform(0.99, 1.01) for i in range(2)]
    csyn.ratio = [random.choice([0.1251, 0.249, 0.502, 0.7501, 1.003]) for i in range(2)]
    camp.play()


tr = RandInt(max=3, freq=GEN_FREQ)
sc = Score(input=tr, fname="event_")

s.gui(locals())