app.py

import gradio as gr
import torch
from TTS.api import TTS

# Check for GPU availability
device = "cuda" if torch.cuda.is_available() else "cpu"

# Load Coqui TTS Model (without 'device' argument)
tts = TTS(model_name="tts_models/en/ljspeech/fast_pitch", progress_bar=False)

def generate_audio(text):
    """Function to synthesize speech from text."""
    output_path = "output.wav"
    print("Generating audio...")  # Debugging log

    # Convert text to speech
    tts.tts_to_file(text, file_path=output_path)

    print("Audio saved:", output_path)  # Debugging log
    return output_path  # Returning file path to Gradio

# Gradio Interface with a button
interface = gr.Interface(
    fn=generate_audio, 
    inputs=gr.Textbox(label="Enter text"), 
    outputs=gr.Audio(label="Generated Speech"),
    title="Coqui TTS Text-to-Speech",
    description="Enter text and click **Synthesize** to generate speech.",
    live=True
)

# Launch Gradio app
if __name__ == "__main__":
    interface.launch(share=True)