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| import gradio as gr | |
| import whisper | |
| from pytube import YouTube | |
| class GradioInference(): | |
| def __init__(self): | |
| self.sizes = list(whisper._MODELS.keys()) | |
| self.langs = ["none"] + sorted(list(whisper.tokenizer.LANGUAGES.values())) | |
| self.current_size = "base" | |
| self.loaded_model = whisper.load_model(self.current_size) | |
| self.yt = None | |
| def __call__(self, link, lang, size, subs): | |
| if self.yt is None: | |
| self.yt = YouTube(link) | |
| path = self.yt.streams.filter(only_audio=True)[0].download(filename="tmp.mp4") | |
| if lang == "none": | |
| lang = None | |
| if size != self.current_size: | |
| self.loaded_model = whisper.load_model(size) | |
| self.current_size = size | |
| results = self.loaded_model.transcribe(path, language=lang) | |
| if subs == "None": | |
| return results["text"] | |
| elif subs == ".srt": | |
| return self.srt(results["segments"]) | |
| elif ".csv" == ".csv": | |
| return self.csv(results["segments"]) | |
| def srt(self, segments): | |
| output = "" | |
| for i, segment in enumerate(segments): | |
| output += f"{i+1}\n" | |
| output += f"{self.format_time(segment['start'])} --> {self.format_time(segment['end'])}\n" | |
| output += f"{segment['text']}\n\n" | |
| return output | |
| def csv(self, segments): | |
| output = "" | |
| for segment in segments: | |
| output += f"{segment['start']},{segment['end']},{segment['text']}\n" | |
| return output | |
| def format_time(self, time): | |
| hours = time//3600 | |
| minutes = (time - hours*3600)//60 | |
| seconds = time - hours*3600 - minutes*60 | |
| milliseconds = (time - int(time))*1000 | |
| return f"{int(hours):02d}:{int(minutes):02d}:{int(seconds):02d},{int(milliseconds):03d}" | |
| def populate_metadata(self, link): | |
| self.yt = YouTube(link) | |
| return self.yt.thumbnail_url, self.yt.title | |
| gio = GradioInference() | |
| title="Trascrizione Audio da Youtube" | |
| description="Trascrivi l'audio in maniera accurata da video Youtube. Inserisci il tuo video (consigliato <10 min) ed il sistema genererà la trascrizione per te" | |
| block = gr.Blocks() | |
| with block: | |
| gr.HTML( | |
| """ | |
| <div style="text-align: center; max-width: 500px; margin: 0 auto;"> | |
| <div> | |
| <h1>Youtube Whisperer</h1> | |
| </div> | |
| <p style="margin-bottom: 10px; font-size: 94%"> | |
| Speech to text transcription of Youtube videos using OpenAI's Whisper | |
| </p> | |
| </div> | |
| """ | |
| ) | |
| with gr.Group(): | |
| with gr.Box(): | |
| with gr.Row().style(equal_height=True): | |
| sz = gr.Dropdown(label="Model Size", choices=gio.sizes, value='base') | |
| lang = gr.Dropdown(label="Language (Optional)", choices=gio.langs, value="none") | |
| with gr.Row().style(equal_height=True): | |
| wt = gr.Radio(["None", ".srt", ".csv"], label="With Timestamps?") | |
| link = gr.Textbox(label="YouTube Link") | |
| title = gr.Label(label="Video Title") | |
| with gr.Row().style(equal_height=True): | |
| img = gr.Image(label="Thumbnail") | |
| text = gr.Textbox(label="Transcription", placeholder="Transcription Output", lines=10) | |
| with gr.Row().style(equal_height=True): | |
| btn = gr.Button("Transcribe") | |
| btn.click(gio, inputs=[link, lang, sz, wt], outputs=[text]) | |
| link.change(gio.populate_metadata, inputs=[link], outputs=[img, title]) | |
| block.launch() |