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91 lines
2.4 KiB
91 lines
2.4 KiB
"""Client-end for the ASR demo."""
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import keyboard
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import struct
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import socket
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import sys
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import argparse
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import pyaudio
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument(
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"--host_ip",
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default="localhost",
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type=str,
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help="Server IP address. (default: %(default)s)")
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parser.add_argument(
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"--host_port",
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default=8086,
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type=int,
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help="Server Port. (default: %(default)s)")
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args = parser.parse_args()
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is_recording = False
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enable_trigger_record = True
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def on_press_release(x):
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"""Keyboard callback function."""
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global is_recording, enable_trigger_record
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press = keyboard.KeyboardEvent('down', 28, 'space')
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release = keyboard.KeyboardEvent('up', 28, 'space')
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if x.event_type == 'down' and x.name == press.name:
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if (not is_recording) and enable_trigger_record:
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sys.stdout.write("Start Recording ... ")
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sys.stdout.flush()
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is_recording = True
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if x.event_type == 'up' and x.name == release.name:
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if is_recording == True:
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is_recording = False
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data_list = []
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def callback(in_data, frame_count, time_info, status):
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"""Audio recorder's stream callback function."""
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global data_list, is_recording, enable_trigger_record
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if is_recording:
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data_list.append(in_data)
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enable_trigger_record = False
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elif len(data_list) > 0:
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# Connect to server and send data
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.connect((args.host_ip, args.host_port))
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sent = ''.join(data_list)
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sock.sendall(struct.pack('>i', len(sent)) + sent)
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print('Speech[length=%d] Sent.' % len(sent))
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# Receive data from the server and shut down
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received = sock.recv(1024)
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print "Recognition Results: {}".format(received)
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sock.close()
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data_list = []
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enable_trigger_record = True
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return (in_data, pyaudio.paContinue)
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def main():
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# prepare audio recorder
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p = pyaudio.PyAudio()
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stream = p.open(
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format=pyaudio.paInt32,
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channels=1,
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rate=16000,
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input=True,
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stream_callback=callback)
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stream.start_stream()
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# prepare keyboard listener
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while (1):
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keyboard.hook(on_press_release)
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if keyboard.record('esc'):
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break
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# close up
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stream.stop_stream()
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stream.close()
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p.terminate()
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if __name__ == "__main__":
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main()
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