========= homeirctl.py =============================
from ctypes import *
from array import array
from struct import pack
import pyaudio
import codeset
import subprocess
import signal, sys
THRESHOLD = 2000
CHUNK_SIZE = 1024
FORMAT = pyaudio.paInt16
RATE = 38000
ERROR_HANDLER_FUNC = CFUNCTYPE(None, c_char_p, c_int, c_char_p, c_int, c_char_p)
def py_error_handler(filename, line, function, err, fmt):
pass
def record():
"""
Record a word or words from the microphone and
return the data as an array of signed shorts.
"""
p = pyaudio.PyAudio()
stream = p.open(format=FORMAT, channels=2, rate=RATE,
input=True, output=True,
frames_per_buffer=CHUNK_SIZE)
num_silent = 0
rcv_started = False
r = array('h')
while 1:
rcv_data = array('h', stream.read(CHUNK_SIZE))
rcv_data = [ (x>THRESHOLD) for x in rcv_data ]
silent = (sum(rcv_data) < 10 )
if silent and rcv_started:
num_silent += 1
elif not silent and not rcv_started:
rcv_started = True
if rcv_started :
r.extend(rcv_data)
if rcv_started and num_silent > 2:
break
stream.stop_stream()
stream.close()
p.terminate()
return r
def to_bit(data) :
sumData = []
pN = 0
nN = 0
started = False
for j in data :
if j :
pN = pN + 1
if pN > 10 :
started = True
if nN < -10 :
sumData.append(nN)
nN = 0
elif started :
nN = nN - 1
if pN > 10 :
sumData.append(pN)
pN = 0
if pN > 10 :
sumData.append(pN)
if started and (nN < -10) :
sumData.append(nN)
result = ''
started = False
it = iter(sumData)
for x1 in it :
try:
x = x1 + next(it)
except:
break
if x1>120 :
result = ''
elif x < -300 or len(result)>50:
break
elif x < -90:
result = result + '1'
else:
result = result + '0'
return result
def sigterm_handler(_signo, _stack_frame):
sys.exit(0)
def main() :
while True:
data = record()
signal = to_bit(data)
try:
buttonName = codeset.TVCODE[signal]
print(buttonName)
except:
print(signal,'key not found')
else:
if buttonName is 'red' :
subprocess.call("/home/viola/autoplay/starttv.sh", shell=True)
elif buttonName is 'green' :
subprocess.call("/home/viola/autoplay/starttvnews2.sh", shell=True)
elif buttonName is 'yellow' :
subprocess.call("/home/viola/autoplay/starttvnews3.sh", shell=True)
elif buttonName is 'blue' :
subprocess.call("/home/viola/autoplay/starttvnews1.sh", shell=True)
elif buttonName is 'stop' :
subprocess.call("/home/viola/autoplay/stopall.sh", shell=True)
subprocess.call('xrandr --output VGA1 --mode 1440x900 --output HDMI1 --off', shell=True)
elif buttonName is 'option' :
subprocess.call("/home/viola/autoplay/startmusic.sh", shell=True)
elif buttonName is 'soundtrack' :
subprocess.call('xdotool search --name " - mpv" key s', shell=True)
elif buttonName is 'soundpattern' :
subprocess.call('xdotool search --name " - mpv" key A', shell=True)
elif buttonName is 'speedup' :
subprocess.call('xdotool search --name " - mpv" key Right', shell=True)
elif buttonName is 'speeddown' :
subprocess.call('xdotool search --name " - mpv" key Left', shell=True)
elif buttonName is 'pauseplay' :
subprocess.call('xdotool search --name " - mpv" key space', shell=True)
elif buttonName is 'stepf' :
subprocess.call('xdotool search --name " - mpv" key n', shell=True)
elif buttonName is 'stepb' :
subprocess.call('xdotool search --name " - mpv" key b', shell=True)
elif buttonName is 'vup' :
subprocess.call('xdotool search --name "playing music" key bracketright', shell=True)
elif buttonName is 'vdown' :
subprocess.call('xdotool search --name "playing music" key bracketleft', shell=True)
elif buttonName is 'cursorU' :
subprocess.call('xdotool search --name "playing music" key N', shell=True)
elif buttonName is 'cursorD' :
subprocess.call('xdotool search --name "playing music" key B', shell=True)
elif buttonName is 'cursorL' :
subprocess.call('xdotool key XF86AudioLowerVolume', shell=True)
elif buttonName is 'cursorR' :
subprocess.call('xdotool key XF86AudioRaiseVolume', shell=True)
elif buttonName is 'mute' :
subprocess.call('xdotool key XF86AudioMute', shell=True)
elif buttonName is 'epg' :
subprocess.call('chromium-browser --app="http://hichannel.hinet.net/radio/mobile/index.do?id=205#"', shell=True)
elif buttonName is '3D' :
subprocess.call("/home/viola/autoplay/startplaying.sh", shell=True)
elif buttonName is 'information' :
subprocess.call('xdotool search --name " - mpv" key t', shell=True)
elif len(buttonName)==1 :
subprocess.call('xdotool search --name " - mpv" key '+buttonName, shell=True)
if __name__ == '__main__':
signal.signal(signal.SIGTERM, sigterm_handler)
signal.signal(signal.SIGINT, sigterm_handler)
c_error_handler = ERROR_HANDLER_FUNC(py_error_handler)
asound = cdll.LoadLibrary('libasound.so')
asound.snd_lib_error_set_handler(c_error_handler)
main()
========== codeset.py ====================
TVCODE = {
'111111110001000000001110':'red',
'111111011101000000100010':'green',
'111111000111000000111000':'yellow',
'111111100111000000011000':'blue',
'111111111010000000000101':'pauseplay',
'111111101110000000010001':'speedup',
'111111010110000000101001':'speeddown',
'111111100011000000011100':'stop',
'101101110010010100001101':'stepf',
'101101010010010100101101':'stepb',
'111111010010000000101101':'option',
'111111011000000000100111':'vup',
'111111111000000000000111':'vdown',
'111111100000000000011111':'power',
'111111000110000000111001':'soundtrack',
'111111100110000000011001':'soundpattern',
'111111101000000000010111':'mute',
'111111110000000000001111':'information',
'111111010111000000101000':'epg',
'111111011001000000100110':'return',
'111111100101000000011010':'OK',
'101101101110010100010001':'3D',
'111111101101000000010010':'cursorR',
'111111001101000000110010':'cursorL',
'111111110101000000001010':'cursorU',
'111111010101000000101010':'cursorD',
'111111000100000000111011':'1',
'111111100100000000011011':'2',
'111111100100000000011011':'3',
'111111010100000000101011':'4',
'111111000100000000111011':'1',
'111111100100000000011011':'2',
'111111010100000000101011':'3',
'111111110100000000001011':'4',
'111111001100000000110011':'5',
'111111101100000000010011':'6',
'111111011100000000100011':'7',
'111111111100000000000011':'8',
'111111000010000000111101':'9',
'111111100010000000011101':'0' }
============= recordWavToFile.py =====================
import pyaudio
import wave
import numpy
from array import array
FORMAT = pyaudio.paInt16
CHANNELS = 2
RATE = 38000
CHUNK = 1024
RECORD_SECONDS = 2
WAVE_OUTPUT_FILENAME = "file.wav"
audio = pyaudio.PyAudio()
# start Recording
stream = audio.open(format=FORMAT, channels=CHANNELS,
rate=RATE, input=True,
frames_per_buffer=CHUNK)
print "recording..."
frames = []
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
data = stream.read(CHUNK)
frames.append(data)
print "finished recording"
# stop Recording
stream.stop_stream()
stream.close()
audio.terminate()
waveFile = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
waveFile.setnchannels(CHANNELS)
waveFile.setsampwidth(audio.get_sample_size(FORMAT))
waveFile.setframerate(RATE)
waveFile.writeframes(b''.join(frames))
waveFile.close()
================ drawWavPlot.py ====================
from scipy.io import wavfile
from matplotlib import pyplot as plt
import numpy as np
# Load the data and calculate the time of each sample
samplerate, data = wavfile.read('file.wav')
print data
times = np.arange(len(data))/float(samplerate)
# Make the plot
# You can tweak the figsize (width, height) in inches
plt.figure(figsize=(20, 4))
plt.fill_between(times, data[:,0], data[:,1])
plt.xlim(times[0], times[-1])
plt.xlabel('time (s)')
plt.ylabel('amplitude')
#You can set the format by changing the extension
#like .pdf, .svg, .eps
plt.savefig('plot.png', dpi=100)
plt.show()
