Hello, I ran into a problem with PyAudio that I cannot solve. When I use it over the network (after a while), it crashes. The error I get is this
Exception in thread Thread-1:
Traceback (most recent call last):
File "C: \ Python27 \ lib \ threading.py", line 552, in __bootstrap_inner
self.run ()
File "C: \ Python27 \ lib \ threading.py", line 505, in run
self .__ target (* self .__ args, ** self .__ kwargs)
File "C: \ Users \ maboroshi \ Desktop \ myChat \ chat.py", line 71, in server
frames_per_buffer = chunk)
File "C: \ Python27 \ lib \ site-packages \ pyaudio.py", line 714, in open
stream = Stream (self, * args, ** kwargs)
File "C: \ Python27 \ lib \ site-packages \ pyaudio.py", line 396, in __init__
self._stream = pa.open (** arguments)
IOError: [Errno Device unavailable] -9985
My code is below (well, most of it: -P
This is for data decryption and connection management
def decrypt_my_message (msg):
iv = "1234567812345678"
key = your_friends_key
if len (key) not in (16, 24, 32):
raise ValueError ("Key must be 16, 24, or 32 bytes")
if (len (msg)% 16)! = 0:
raise ValueError ("Message must be a multiple of 16 bytes")
if len (iv)! = 16:
raise ValueError ("IV must be 16 bytes")
cipher = AES.new (key, AES.MODE_CBC, iv)
plaintext = cipher.decrypt (msg)
return plaintext
### Server function ###
def server ():
HOST = ''
PORT = 9001
### Initialize socket
server_socket = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
server_socket.setsockopt (socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.bind ((HOST, PORT))
server_socket.listen (5)
### Start recieve loop
read_list = [server_socket]
while True:
readable, writable, errored = select.select (read_list, [], [])
for s in readable:
if s is server_socket:
conn, addr = s.accept ()
read_list.append (conn)
print "Connection from", addr
else:
msg = conn.recv (2024)
if msg:
cmd, msg = ord (msg [0]), msg [1:]
if cmd == CMD_MSG:
listb1.insert (END, decrypt_my_message (msg.strip ()) + "\ n")
listb1.yview (END)
elif cmd == CMD_AUDIO:
#d = speex.Decoder ()
# d.initialize (speex.SPEEX_MODEID_WB)
p = pyaudio.PyAudio ()
stream = p.open (format = FORMAT,
channels = CHANNELS,
rate = RATE,
input = True,
output = True,
frames_per_buffer = chunk)
stream.write (decrypt_my_message (msg), chunk) #Write the data back out to the speakers
else:
s.close ()
read_list.remove (s)
And this is for connecting and sending encrypted audio
def encrypt_my_audio_message (msg):
key = your_key
iv = '1234567812345678'
aes = AES.new(key, AES.MODE_CBC, iv)
encoder = PKCS7Encoder()
pad_text = encoder.encode(msg)
msg = aes.encrypt(pad_text)
return msg
def connectToServer():
CLIENT_PORT = 9001
CLIENT_HOST = str(entryhost.get())
global s
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((CLIENT_HOST, CLIENT_PORT))
print "Connected\n"
except:
print "Could not connect"
### Client Function ###
def client(cmd, msg):
try:
s.send(cmd + msg)
except:
print "You are not connected"
def sendAudio():
p = pyaudio.PyAudio()
stream = p.open(format = FORMAT,
channels = CHANNELS,
rate = RATE,
input = True,
output = True,
frames_per_buffer = chunk)
data = stream.read(chunk)
return encrypt_my_audio_message(data)
## stream.stop_stream()
## stream.close()
## p.terminate()
def keypress(event):
if event.keysym == 'Escape':
root.destroy()
#x = event.char
if event.keysym == 'Control_L':
#print("Sending Data...")
client(chr(CMD_AUDIO), sendAudio())
#print("Data Sent!")
, ,