import os
os.system("pip install git+https://github.com/openai/whisper.git")


import gradio as gr
import whisper
import io
import os
import numpy as np
from datetime import datetime

import assets

def sendToWhisper(audio_record, audio_upload, task, models_selected, language_toggle, language_selected, without_timestamps):
    results = []

    audio = None
    if audio_record is not None:
        audio = audio_record
    elif audio_upload is not None:
        audio = audio_upload
    else:
        return [["Invalid input"]*5]

    audio = whisper.load_audio(audio)
    audio = whisper.pad_or_trim(audio)

    for model_name in models_selected:
        start = datetime.now()
        model = whisper.load_model(model_name)
        mel = whisper.log_mel_spectrogram(audio).to(model.device)
        options = whisper.DecodingOptions(fp16 = False, without_timestamps=without_timestamps, task=task)
        if language_toggle:
            options = whisper.DecodingOptions(fp16 = False, without_timestamps=without_timestamps, task=task, language=language_selected)
        language = ""
        prob = 0
        if model_name in assets.lang_detect:
            _, probs = model.detect_language(mel)
            language = max(probs, key=probs.get)
            prob = probs[language]
        else:
            language="en"
            options = whisper.DecodingOptions(fp16 = False, without_timestamps=without_timestamps, task=task, language="en")
        output_text = whisper.decode(model, mel, options)
        results.append([model_name, output_text.text, language, str(prob), str((datetime.now() - start).total_seconds())])
    return results

avail_models = whisper.available_models()



with gr.Blocks(css=assets.css) as demo:
    gr.Markdown("This is a demo to use Open AI's Speech to Text (ASR) Model: Whisper. Learn more about the models here on [Github](https://github.com/openai/whisper/search?q=DecodingOptions&type=) FYI: The larger models take a lot longer to transcribe the text :)")
    gr.Markdown("Here are sample audio files to try out: [Sample Audio](https://drive.google.com/drive/folders/1qYek06ZVeKr9f5Jf35eqi-9CnjNIp98u?usp=sharing)")
    gr.Markdown("Built by:[@davidtsong](https://twitter.com/davidtsong)")
    
    # with gr.Row():
    with gr.Column():

        # with gr.Column():
        gr.Markdown("## Input")

        with gr.Row():
            audio_record = gr.Audio(source="microphone", label="Audio to transcribe", type="filepath",elem_id="audio_inputs")
            audio_upload = gr.Audio(source="upload", type="filepath", interactive=True,elem_id="audio_inputs")

        models_selected = gr.CheckboxGroup(avail_models, label="Models to use")
        with gr.Accordion("Settings", open=False):
            task = gr.Dropdown(["transcribe", "translate"], label="Task", value="transcribe")
            language_toggle = gr.Dropdown(["Automatic", "Manual"], label="Language Selection", value="Automatic")
            language_selected = gr.Dropdown(list(assets.LANGUAGES.keys()), label="Language")
            without_timestamps = gr.Checkbox(label="Without timestamps",value=True)
        submit = gr.Button(label="Run")
        
    # with gr.Row():
        # with gr.Column():
        gr.Markdown("## Output")
        output = gr.Dataframe(headers=["Model", "Text", "Language", "Language Confidence","Time(s)"], label="Results", wrap=True)

    submit.click(fn=sendToWhisper, inputs=[audio_record, audio_upload, task, models_selected, language_toggle, language_selected, without_timestamps], outputs=output)

demo.launch()   


assets.py

LANGUAGES = {
    "en": "english",
    "zh": "chinese",
    "de": "german",
    "es": "spanish",
    "ru": "russian",
    "ko": "korean",
    "fr": "french",
    "ja": "japanese",
    "pt": "portuguese",
    "tr": "turkish",
    "pl": "polish",
    "ca": "catalan",
    "nl": "dutch",
    "ar": "arabic",
    "sv": "swedish",
    "it": "italian",
    "id": "indonesian",
    "hi": "hindi",
    "fi": "finnish",
    "vi": "vietnamese",
    "iw": "hebrew",
    "uk": "ukrainian",
    "el": "greek",
    "ms": "malay",
    "cs": "czech",
    "ro": "romanian",
    "da": "danish",
    "hu": "hungarian",
    "ta": "tamil",
    "no": "norwegian",
    "th": "thai",
    "ur": "urdu",
    "hr": "croatian",
    "bg": "bulgarian",
    "lt": "lithuanian",
    "la": "latin",
    "mi": "maori",
    "ml": "malayalam",
    "cy": "welsh",
    "sk": "slovak",
    "te": "telugu",
    "fa": "persian",
    "lv": "latvian",
    "bn": "bengali",
    "sr": "serbian",
    "az": "azerbaijani",
    "sl": "slovenian",
    "kn": "kannada",
    "et": "estonian",
    "mk": "macedonian",
    "br": "breton",
    "eu": "basque",
    "is": "icelandic",
    "hy": "armenian",
    "ne": "nepali",
    "mn": "mongolian",
    "bs": "bosnian",
    "kk": "kazakh",
    "sq": "albanian",
    "sw": "swahili",
    "gl": "galician",
    "mr": "marathi",
    "pa": "punjabi",
    "si": "sinhala",
    "km": "khmer",
    "sn": "shona",
    "yo": "yoruba",
    "so": "somali",
    "af": "afrikaans",
    "oc": "occitan",
    "ka": "georgian",
    "be": "belarusian",
    "tg": "tajik",
    "sd": "sindhi",
    "gu": "gujarati",
    "am": "amharic",
    "yi": "yiddish",
    "lo": "lao",
    "uz": "uzbek",
    "fo": "faroese",
    "ht": "haitian creole",
    "ps": "pashto",
    "tk": "turkmen",
    "nn": "nynorsk",
    "mt": "maltese",
    "sa": "sanskrit",
    "lb": "luxembourgish",
    "my": "myanmar",
    "bo": "tibetan",
    "tl": "tagalog",
    "mg": "malagasy",
    "as": "assamese",
    "tt": "tatar",
    "haw": "hawaiian",
    "ln": "lingala",
    "ha": "hausa",
    "ba": "bashkir",
    "jw": "javanese",
    "su": "sundanese",
}

lang_detect = ['tiny', 'base', 'small', 'medium', 'large']

css = """
#audio_inputs{
    height:100px;
    max-height:100px;
}
"""