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import logging |
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logging.basicConfig(level=logging.DEBUG, |
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format='%(asctime)s\t%(levelname)s\t%(message)s') |
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import snd |
import snd |
import time |
import time |
from datetime import date |
from datetime import date |
import threading |
import threading |
from pydispatch import dispatcher |
from pydispatch import dispatcher |
import wave |
import wave |
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import serial |
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#python -m serial.tools.miniterm -p COM20 -e -b 115200 --cr |
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filename = "demo.wav" |
filename = "demo.wav" |
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MIN_LENGTH = 90000 |
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def worker(filename): |
def worker(filename): |
"""thread worker function |
"""thread worker function |
http://www.doughellmann.com/PyMOTW/threading/ |
http://www.doughellmann.com/PyMOTW/threading/ |
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https://github.com/uskr/pynma |
https://github.com/uskr/pynma |
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ffmpeg -i 2012-09-29-1348911268.34-demo.wav -ar 8000 -ab 4.75k test.3gp |
http://stackoverflow.com/questions/1092531/event-system-in-python """ |
http://stackoverflow.com/questions/2559746/getting-error-while-converting-wav-to-amr-using-ffmpeg |
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""" |
print 'Worker for '+filename |
print 'Worker for '+filename |
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ser.write("GLG\r") |
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line = ser.readline() # read a '\n' terminated line |
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print line |
return |
return |
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def filenameMaker(): |
def filenameMaker(): |
global filename |
global filename |
filename = date.today().isoformat()+'-'+str(time.time())+'-demo.wav' |
filename = date.today().isoformat()+'-'+str(time.time())+'-demo.wav' |
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def record_to_async_file(): |
def record_to_async_file(): |
"Records from the microphone and outputs the resulting data to `path`" |
"Records from the microphone and outputs the resulting data to `path`" |
sample_width, data = snd.record() |
sample_width, data = snd.record() |
data = snd.pack('<' + ('h'*len(data)), *data) |
print str(len(data)) |
path = filename |
if len(data) > MIN_LENGTH: |
dispatcher.send( signal='FILE_CREATED', sender=filename, filename=filename) |
data = snd.pack('<' + ('h'*len(data)), *data) |
wf = wave.open(path, 'wb') |
path = filename |
wf.setnchannels(1) |
dispatcher.send( signal='FILE_CREATED', sender=filename, filename=filename) |
wf.setsampwidth(sample_width) |
wf = wave.open(path, 'wb') |
wf.setframerate(snd.RATE) |
wf.setnchannels(1) |
wf.writeframes(data) |
wf.setsampwidth(sample_width) |
wf.close() |
wf.setframerate(snd.RATE) |
print("done - result written to "+path) |
wf.writeframes(data) |
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wf.close() |
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print("done - result "+str(len(data))+" frames written to "+path) |
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dispatcher.connect( filenameMaker, signal='SND_STARTED', sender=dispatcher.Any ) |
dispatcher.connect( filenameMaker, signal='SND_STARTED', sender=dispatcher.Any ) |
dispatcher.connect( worker, signal='FILE_CREATED', sender=dispatcher.Any ) |
dispatcher.connect( worker, signal='FILE_CREATED', sender=dispatcher.Any ) |
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ser = serial.Serial('COM20', 112500, timeout=1) |
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print "Scannr started..." |
print "Scannr started..." |
while True: |
while True: |
print "ready to record" |
print "ready to record" |
record_to_async_file() |
record_to_async_file() |
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ser.close() |