app.py

import streamlit as st
import requests
import os

# Hugging Face API setup
API_URL = "https://api-inference.huggingface.co/models/MIT/ast-finetuned-audioset-10-10-0.4593"
HF_TOKEN = os.getenv("HF_TOKEN")
headers = {"Authorization": f"Bearer {HF_TOKEN}"} 

# Function to send the audio file to the Hugging Face API and get the classification result
def classify_audio(audio_file_path):
    with open(audio_file_path, "rb") as audio_file:
        response = requests.post(
            "https://api-inference.huggingface.co/models/MIT/ast-finetuned-audioset-10-10-0.4593",
            headers=headers,
            files={"file": audio_file}
        )
    # Check the response status and return JSON if successful, or an error message
    if response.status_code == 200:
        return response.json()
    else:
        return {"error": f"Failed to classify audio. Status code: {response.status_code}"}

# Streamlit interface
st.title("Audio Classifier")

# Define the folder where your audio files are located
audio_folder = "audio_files"

# List the audio files in the folder
try:
    audio_files = os.listdir(audio_folder)
    audio_file_options = [f for f in audio_files if f.endswith(('.mp3', '.wav'))]
except Exception as e:
    st.error(f"Error accessing the audio files: {e}")
    st.stop()

# Dropdown to select an audio file
selected_file = st.selectbox("Select an audio file:", audio_file_options)

# Button to classify the selected audio file
if st.button("Classify"):
    # Get the full path of the selected audio file
    audio_file_path = os.path.join(audio_folder, selected_file)
    
    # Show the audio player
    st.audio(audio_file_path)
    
    # Get and display the classification results
    results = classify_audio(audio_file_path)
    
    # Check for errors
    if "error" in results:
        st.error(results["error"])
    else:
        st.write("Results:")
        # Loop through each result in the list of results
        for result in results:
            # Check if result is a dictionary with 'label' and 'score' keys
            if isinstance(result, dict) and 'label' in result and 'score' in result:
                st.write(f"Label: {result['label']}, Confidence: {result['score']:.2f}")
            else:
                st.error(f"Unexpected result format: {result}")
    # Get and display the classification results
    results = classify_audio(audio_file_path)
    st.write("Results:")
    for result in results:
        st.write(f"Label: {result['label']}, Confidence: {result['score']:.2f}")