app.py

import gradio as gr
import torch

from diffusers import DiffusionPipeline
from transformers import (
    WhisperForConditionalGeneration,
    WhisperProcessor,
)

import os
MY_SECRET_TOKEN=os.environ.get('HF_TOKEN_SD')

device = "cuda" if torch.cuda.is_available() else "cpu"
model = WhisperForConditionalGeneration.from_pretrained("openai/whisper-small").to(device)
processor = WhisperProcessor.from_pretrained("openai/whisper-small")

diffuser_pipeline = DiffusionPipeline.from_pretrained(
    "CompVis/stable-diffusion-v1-4",
    custom_pipeline="speech_to_image_diffusion",
    speech_model=model,
    speech_processor=processor,
    use_auth_token=MY_SECRET_TOKEN,
    revision="fp16",
    torch_dtype=torch.float16,
)

diffuser_pipeline.enable_attention_slicing()
diffuser_pipeline = diffuser_pipeline.to(device)

#————————————————————————————————————————————
# GRADIO SETUP

audio_input = gr.Audio(source="microphone")
image_output = gr.Image()

def speech_to_text(audio_sample):
  text = audio_sample["text"].lower()
  print(text)
  speech_data = audio_sample["audio"]["array"]
  output = diffuser_pipeline(speech_data)
  
  return output.images[0]

demo = gr.Interface(fn=speech_to_text, inputs=audio_input, outputs=image_output)
demo.launch()