extensions/whisper_stt/script.py

import gradio as gr
import speech_recognition as sr

from modules import shared

input_hijack = {
    'state': False,
    'value': ["", ""]
}

# parameters which can be customized in settings.json of webui
params = {
    'whipser_language': 'english',
    'whipser_model': 'small.en',
    'auto_submit': True
}


def do_stt(audio,whipser_model,whipser_language):
    transcription = ""
    r = sr.Recognizer()

    # Convert to AudioData
    audio_data = sr.AudioData(sample_rate=audio[0], frame_data=audio[1], sample_width=4)

    try:
        transcription = r.recognize_whisper(audio_data, language=whipser_language, model=whipser_model)
    except sr.UnknownValueError:
        print("Whisper could not understand audio")
    except sr.RequestError as e:
        print("Could not request results from Whisper", e)

    return transcription


def auto_transcribe(audio, auto_submit,whipser_model,whipser_language):
    if audio is None:
        return "", ""
    transcription = do_stt(audio,whipser_model,whipser_language)
    if auto_submit:
        input_hijack.update({"state": True, "value": [transcription, transcription]})

    return transcription, None


def ui():
    with gr.Accordion("Whisper STT", open=True):
        with gr.Row():
            audio = gr.Audio(source="microphone")
        with gr.Row():
            with gr.Accordion("Settings", open=False):
                auto_submit = gr.Checkbox(label='Submit the transcribed audio automatically', value=params['auto_submit'])
                whipser_model = gr.Dropdown(label='Whisper Model', value=params['whipser_model'],choices=["tiny.en","base.en", "small.en","medium.en","tiny","base","small","medium","large"])
                whipser_language = gr.Dropdown(label='Whisper Language', value=params['whipser_language'],choices=["chinese","german","spanish","russian","korean","french","japanese","portuguese","turkish","polish","catalan","dutch","arabic","swedish","italian","indonesian","hindi","finnish","vietnamese","hebrew","ukrainian","greek","malay","czech","romanian","danish","hungarian","tamil","norwegian","thai","urdu","croatian","bulgarian","lithuanian","latin","maori","malayalam","welsh","slovak","telugu","persian","latvian","bengali","serbian","azerbaijani","slovenian","kannada","estonian","macedonian","breton","basque","icelandic","armenian","nepali","mongolian","bosnian","kazakh","albanian","swahili","galician","marathi","punjabi","sinhala","khmer","shona","yoruba","somali","afrikaans","occitan","georgian","belarusian","tajik","sindhi","gujarati","amharic","yiddish","lao","uzbek","faroese","haitian creole","pashto","turkmen","nynorsk","maltese","sanskrit","luxembourgish","myanmar","tibetan","tagalog","malagasy","assamese","tatar","hawaiian","lingala","hausa","bashkir","javanese","sundanese"])

    audio.change(
        auto_transcribe, [audio, auto_submit,whipser_model,whipser_language], [shared.gradio['textbox'], audio]).then(
        None, auto_submit, None, _js="(check) => {if (check) { document.getElementById('Generate').click() }}")
    whipser_model.change(lambda x: params.update({"whipser_model": x}), whipser_model, None)
    whipser_language.change(lambda x: params.update({"whipser_language": x}), whipser_language, None)
    auto_submit.change(lambda x: params.update({"auto_submit": x}), auto_submit, None)