#!/usr/bin/env python

# -*- coding: utf-8 -*-

import wave

import pyaudio

from scipy import fromstring, int16

import numpy as np

from matplotlib import pyplot

def left(list):

return list

CHUNK =1024

filename = "121_dr_bpm080_4-4_rock.wav"

filename2 = "025_dr_bpm160_4-4_rock.wav"

p =pyaudio.PyAudio()

wf=wave.open(filename, "rb")

wf2=wave.open(filename2, "rb")

stream=p.open(format=p.get_format_from_width(wf.getsampwidth()),

channels=wf.getnchannels(),

rate=wf.getframerate(),

output=True)

stream2=p.open(format=p.get_format_from_width(wf2.getsampwidth()),

channels=wf2.getnchannels(),

rate=wf2.getframerate(),

output=True)

data2=wf2.readframes(CHUNK)

data=wf.readframes(CHUNK)

num_data=fromstring(data, dtype=int16)

num_data2=fromstring(data, dtype=int16)

#num_data=left(num_data)

#ただのwav再生

while data !='':

list=np.array(num_data)

list2=np.array(num_data2)

stream.write(list2)

data=wf.readframes(CHUNK)

data2=wf.readframes(CHUNK)

num_data=fromstring(data, dtype=int16)

num_data2=fromstring(data2, dtype=int16)

"""リアルタイム録音再生

while stream.is_active():

try:

input=stream.read(CHUNK)

num_data=fromstring(input, dtype=int16)

print(num_data)

list=np.array(num_data)

#input =input*100

#list=np.array(input)

#output=stream.write(list)

pyplot.plot(list)

pyplot.draw()

pyplot.pause(0.05)

pyplot.cla()

except KeyboardInterrupt:

pyplot.close()

break

list=np.array(num_data)

print(list)

pyplot.plot(data)

pyplot.show()

if(wf.getnchannels()==2):

left=num_data[::2]

right=num_data[1::2]

#stream.write(list)

"""

wf.close()

stream.stop_stream()

stream.close()

p.terminate()