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from sfml import sf
from struct import pack
from random import randint
# python 2.* compatability
try: input = raw_input
except NameError: pass
AUDIO_DATA, END_OF_STREAM = list(range(1, 3))
class NetworkRecorder(sf.SoundRecorder):
def __init__(self, host, port):
sf.SoundRecorder.__init__(self)
self.host = host # address of the remote host
self.port = port # remote port
self.socket = sf.TcpSocket() # socket used to communicate with the server
def on_start(self):
try: self.socket.connect(self.host, self.port)
except sf.SocketException as error: return False
return True
def on_process_samples(self, chunk):
# pack the audio samples
data = pack("B", AUDIO_DATA)
data += pack("I", len(chunk.data))
data += chunk.data
# send the audio packet
try: self.socket.send(data)
except sf.SocketException: return False
return True
def on_stop(self):
# send a "end-of-stream" signal
self.socket.send(bytes(END_OF_STREAM))
# close the socket
self.socket.disconnect()
def do_client(port):
# check that the device can capture audio
if not sf.SoundRecorder.is_available():
print("Sorry, audio capture is not supported by your system")
return
# ask for server address
server = input("Type address or name of the server to connect to: ")
server = sf.IpAddress.from_string(server)
# create an instance of our custom recorder
recorder = NetworkRecorder(server, port)
# wait for the user input...
input("Press enter to start recording audio")
# start capturing audio data
recorder.start(44100)
input("Recording... press enter to stop")
recorder.stop()
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