app.py

import gradio as gr
import librosa
import librosa.display
import numpy as np
import soundfile as sf
import io

def trim_audio(audio_url, start_time, end_time):
    """Trims an audio file based on the provided start and end times."""
    try:
        # Load audio from URL
        y, sr = librosa.load(audio_url)

        # Check for valid start and end times
        if start_time < 0 or end_time > len(y) / sr or start_time >= end_time:
            return "Invalid start or end time. Please check your input."


        start_sample = int(start_time * sr)
        end_sample = int(end_time * sr)
        trimmed_audio = y[start_sample:end_sample]

        # Save the trimmed audio to a BytesIO object
        output_audio = io.BytesIO()
        sf.write(output_audio, trimmed_audio, sr, format='wav')
        output_audio.seek(0)  # Reset the file pointer to the beginning

        return gr.Audio(output_audio, label="Trimmed Audio")

    except Exception as e:
        return f"An error occurred: {e}"


iface = gr.Interface(
    fn=trim_audio,
    inputs=[
        gr.Textbox(label="Audio URL", lines=1),
        gr.Number(label="Start Time (seconds)", value=0),
        gr.Number(label="End Time (seconds)", value=5),
    ],
    outputs=gr.Audio(label="Output Audio"),
    title="Audio Trimmer",
    description="Enter the URL of an audio file and specify the start and end times to trim it.",
)

iface.launch()