feat: mqtt audio publish&subscribe

mqtt/publish_audio.py

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+import paho.mqtt.client as mqtt
+
+# MQTT Broker信息
+broker = '127.0.0.1'
+port = 1883
+topic = 'audio/test'
+
+# 音频文件路径
+audio_file_path = 'tmp2.wav'
+
+def publish_audio():
+    client = mqtt.Client()
+    client.connect(broker, port)
+
+    with open(audio_file_path, 'rb') as audio_file:
+        audio_data = audio_file.read()
+
+    client.publish(topic, audio_data)
+    client.disconnect()
+
+if __name__ == "__main__":
+    publish_audio()
+    print("Audio published successfully.")

mqtt/publish_audio_multithread.py

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+import paho.mqtt.client as mqtt
+import threading
+import time
+
+# MQTT Broker信息
+broker = '127.0.0.1'
+port = 1883
+topic = 'audio/test'
+
+# 音频文件路径列表
+audio_file_paths = ['tmp2.wav', 'tmp3.wav', 'tmp4.wav']  # 添加多个音频文件路径
+
+def publish_audio(file_path):
+    client = mqtt.Client()
+    client.connect(broker, port)
+
+    with open(file_path, 'rb') as audio_file:
+        audio_data = audio_file.read()
+
+    client.publish(topic, audio_data)
+    client.disconnect()
+    print(f"Audio from {file_path} published successfully.")
+
+if __name__ == "__main__":
+    threads = []
+    for file_path in audio_file_paths:
+        thread = threading.Thread(target=publish_audio, args=(file_path,))
+        thread.start()
+        threads.append(thread)
+        time.sleep(1)  # 可选：给每个线程一些间隔时间
+
+    for thread in threads:
+        thread.join()

mqtt/subscribe_audio.py

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+import paho.mqtt.client as mqtt
+from pydub import AudioSegment
+import io
+
+# MQTT Broker信息
+broker = '127.0.0.1'
+port = 1883
+topic = 'audio/test'
+output_file_path = 'received_audio.wav'
+
+def on_connect(client, userdata, flags, rc):
+    print("Connected with result code " + str(rc))
+    client.subscribe(topic)
+
+def on_message(client, userdata, msg):
+    print("Audio received")
+    audio_data = msg.payload
+    audio = AudioSegment.from_file(io.BytesIO(audio_data), format="wav")
+    # 将音频保存为文件
+    with open(output_file_path, 'wb') as f:
+        f.write(audio_data)
+    print(f"Audio saved as {output_file_path}")
+
+def subscribe_audio():
+    client = mqtt.Client()
+    client.on_connect = on_connect
+    client.on_message = on_message
+
+    client.connect(broker, port)
+    client.loop_forever()
+
+if __name__ == "__main__":
+    subscribe_audio()

mqtt/subscribe_audio_multithread.py

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+import paho.mqtt.client as mqtt
+from pydub import AudioSegment
+import io
+import threading
+
+# MQTT Broker信息
+broker = '127.0.0.1'
+port = 1883
+topic = 'audio/test'
+output_file_path = 'received_audio.wav'
+
+def on_connect(client, userdata, flags, rc):
+    print("Connected with result code " + str(rc))
+    client.subscribe(topic)
+
+def handle_audio(audio_data):
+    # 将音频保存为文件
+    with open(output_file_path, 'wb') as f:
+        f.write(audio_data)
+    print(f"Audio saved as {output_file_path}")
+
+def on_message(client, userdata, msg):
+    print("Audio received")
+    audio_data = msg.payload
+    # 使用线程来处理音频
+    audio_thread = threading.Thread(target=handle_audio, args=(audio_data,))
+    audio_thread.start()
+
+def subscribe_audio():
+    client = mqtt.Client()
+    client.on_connect = on_connect
+    client.on_message = on_message
+
+    client.connect(broker, port)
+    client.loop_forever()
+
+def mqtt_thread():
+    subscribe_audio()
+
+if __name__ == "__main__":
+    mqtt_thread = threading.Thread(target=mqtt_thread)
+    mqtt_thread.start()