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Create app.py
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app.py
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import os
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import moviepy.editor as mp
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from pydub import AudioSegment
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from pydub.effects import normalize
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from scipy.io.wavfile import read, write
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import noisereduce as nr
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import numpy as np
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import gradio as gr
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# --- FUNCIONES PARA EL PROCESAMIENTO DE AUDIO ---
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def extract_audio(video_path, output_audio_path):
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"""Extrae el audio de un video y lo guarda como un archivo de audio."""
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video = mp.VideoFileClip(video_path)
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video.audio.write_audiofile(output_audio_path)
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def denoise_audio(input_audio_path, output_audio_path):
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"""Aplica reducci贸n de ruido a un archivo de audio."""
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rate, data = read(input_audio_path)
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if data.ndim > 1: # Convertir a mono si el audio es est茅reo
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data = np.mean(data, axis=1).astype(np.int16)
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reduced_noise = nr.reduce_noise(y=data, sr=rate)
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write(output_audio_path, rate, reduced_noise.astype(np.int16))
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def process_audio(input_audio_path, output_audio_path):
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"""Aplica mejoras como normalizaci贸n y ecualizaci贸n al audio."""
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audio = AudioSegment.from_file(input_audio_path)
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audio = normalize(audio) # Normaliza el volumen
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# Opcional: Filtrar frecuencias no deseadas (ejemplo: ruido de baja frecuencia)
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audio = audio.low_pass_filter(3000).high_pass_filter(100)
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audio.export(output_audio_path, format="wav")
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def replace_audio(video_path, new_audio_path, output_video_path):
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"""Reemplaza el audio original de un video con uno procesado."""
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video = mp.VideoFileClip(video_path)
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audio = mp.AudioFileClip(new_audio_path)
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video = video.set_audio(audio)
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video.write_videofile(output_video_path, codec="libx264", audio_codec="aac")
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# --- FUNCIONES PRINCIPALES PARA PROCESAR VIDEO O AUDIO ---
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def process_video_audio(video_path, output_video_path):
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"""Procesa el audio de un video y lo integra nuevamente."""
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temp_audio_path = "temp_audio.wav"
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temp_denoised_audio_path = "temp_denoised_audio.wav"
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temp_processed_audio_path = "temp_processed_audio.wav"
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# Extraer el audio del video
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extract_audio(video_path, temp_audio_path)
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# Reducir ruido del audio
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denoise_audio(temp_audio_path, temp_denoised_audio_path)
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# Procesar y mejorar el audio
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process_audio(temp_denoised_audio_path, temp_processed_audio_path)
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# Reemplazar el audio original en el video
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replace_audio(video_path, temp_processed_audio_path, output_video_path)
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# Limpiar archivos temporales
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os.remove(temp_audio_path)
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os.remove(temp_denoised_audio_path)
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os.remove(temp_processed_audio_path)
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def process_audio_file(input_audio_path, output_audio_path):
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"""Procesa 煤nicamente un archivo de audio."""
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temp_denoised_audio_path = "temp_denoised_audio.wav"
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# Reducir ruido del audio
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denoise_audio(input_audio_path, temp_denoised_audio_path)
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# Procesar y mejorar el audio
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process_audio(temp_denoised_audio_path, output_audio_path)
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# Limpiar archivo temporal
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os.remove(temp_denoised_audio_path)
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# --- INTERFAZ GRADIO ---
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def audio_processing_interface(video_file=None, audio_file=None):
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if video_file is not None:
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output_video_path = "processed_video.mp4"
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process_video_audio(video_file.name, output_video_path)
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return output_video_path
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elif audio_file is not None:
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output_audio_path = "processed_audio.wav"
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process_audio_file(audio_file.name, output_audio_path)
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return output_audio_path
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# Interfaz Gradio
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iface = gr.Interface(
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fn=audio_processing_interface,
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inputs=[
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gr.File(label="Sube un video (para procesar su audio)", type="file"),
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gr.File(label="O sube un archivo de audio", type="file")
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],
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outputs=gr.File(label="Archivo Procesado"),
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live=False
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)
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iface.launch()
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