import socket
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import wave
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import argparse
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'''
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Create a UDP socket and bind it to the server's IP:8000.
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Listen for incoming messages and print them to the console.
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Save the audio to a WAV file.
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'''
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def main(samplerate, channels):
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# Create a UDP socket
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server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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server_socket.bind(('0.0.0.0', 8000))
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# Create WAV file with parameters
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filename = f"{samplerate}_{channels}.wav"
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wav_file = wave.open(filename, "wb")
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wav_file.setnchannels(channels) # channels parameter
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wav_file.setsampwidth(2) # 2 bytes per sample (16-bit)
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wav_file.setframerate(samplerate) # samplerate parameter
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print(f"Start saving audio from 0.0.0.0:8000 to {filename}...")
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try:
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while True:
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# Receive a message from the client
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message, address = server_socket.recvfrom(8000)
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# Write PCM data to WAV file
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wav_file.writeframes(message)
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# Print length of the message
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print(f"Received {len(message)} bytes from {address}")
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except KeyboardInterrupt:
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print("\nStopping recording...")
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finally:
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# Close files and socket
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wav_file.close()
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server_socket.close()
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print(f"WAV file '{filename}' saved successfully")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='UDP音频数据接收器，保存为WAV文件')
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parser.add_argument('--samplerate', '-s', type=int, default=16000,
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help='采样率 (默认: 16000)')
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parser.add_argument('--channels', '-c', type=int, default=2,
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help='声道数 (默认: 2)')
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args = parser.parse_args()
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main(args.samplerate, args.channels)
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