demo_app.py

import gradio as gr
import soundfile as sf
import numpy as np
import tempfile
import os

# Define the file path of the audio file you want to play directly
direct_audio_file_path = "Audio/translated_audio.wav"  # Replace this with the actual file path

# Function to handle audio streaming
def audio_streaming(audio=None):
    # If an audio file is provided as input, use it; otherwise, use the direct file path
    if audio is None:
        audio = direct_audio_file_path

    # Load the audio file
    data, samplerate = sf.read(audio)

    # Ensure data is in float32 format
    data = np.array(data, dtype=np.float32)

    # Save to a temporary file that Gradio can use for audio playback
    with tempfile.NamedTemporaryFile(delete=False, suffix=".wav") as tmp_file:
        sf.write(tmp_file.name, data, samplerate)
        temp_audio_path = tmp_file.name

    # Return the file path to Gradio
    return temp_audio_path

# Gradio interface
with gr.Blocks() as demo:
    gr.Markdown("### Audio Streaming App")

    # Button to play audio from the predefined file path
    play_button = gr.Button("Play Direct Audio")

    # Define output for streamed audio
    audio_output = gr.Audio(label="Streamed Audio")

    # Set up the Gradio interface to handle the button click
    play_button.click(
        fn=audio_streaming,
        inputs=None,  # No input needed for direct play
        outputs=audio_output
    )

if __name__ == "__main__":
    demo.launch()