93 lines
3.1 KiB
Python
93 lines
3.1 KiB
Python
from typing import Union
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from pydub import AudioSegment
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import os
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class AudioProcessor:
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def __init__(self, audio_file:str):
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self.audio_file_path = audio_file
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self.audio_file = AudioSegment.from_file(audio_file, format=audio_file.split('.')[-1])
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self.audiofilename = audio_file.split('/')[-1][:-4]
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self.coreaudiofile = audio_file.split('/')[-1][:-4]
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self.audiofilefolder = os.path.dirname(audio_file)
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self.audio_file_type = audio_file.split('.')[-1]
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def convert_audio(self, savefolder: str = "", savename: str = "", type: str = "wav", remove_orginal: bool = True):
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"""
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Convert video file or other audio files to mp3 file, ensures that the audio file is in the correct format for the
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Whisper model
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:param file: path to audio or video file
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:param remove_orginal: remove original file
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:return: mp3 file path
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"""
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print(f'Converting {self.audiofilename} to .{type} file')
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if savefolder == "":
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savefolder = self.audiofilefolder
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if savename == "":
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savename = self.coreaudiofile + f'.{type}'
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else:
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savename = savename + f'.{type}'
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savepath = os.path.join(savefolder, savename)
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self.audio_file.export(savepath, format=type)
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print(f'Converted {self.audiofilename} to {type}')
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if remove_orginal:
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os.remove(self.audio_file_path)
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print(f'File {self.audio_file_path} removed')
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self.audio_file_path = savepath
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self.audio_file = AudioSegment.from_file(savepath, format=type)
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return self
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def to_mp3(self, savefolder: str = "", savename: str = "", remove_orginal: bool = True):
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"""
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Convert audio file to mp3 file
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:param file: audio file
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:param remove_orginal: remove original file
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:return: mp3 file path
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"""
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return self.convert_audio(savefolder = savefolder, savename = savename, type="mp3", remove_orginal=remove_orginal)
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def to_wav(self, savefolder: str = "", savename: str = "", remove_orginal: bool = True):
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"""
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Convert audio file to wav file
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:param file: audio file
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:param remove_orginal: remove original file
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:return: wav file path
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"""
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return self.convert_audio(savefolder = savefolder, savename = savename,type="wav", remove_orginal=remove_orginal)
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def slower_mp3(self, savefolder: str = "", savename: str = "", speed: float = 0.75, type: str = "mp3"):
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"""
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Slow down mp3 file
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:param file: mp3 file
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:param speed: speed
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:return: None
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"""
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if savefolder == "":
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savefolder = self.audiofilefolder
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else:
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savefolder = savefolder
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sound = self.audio_file
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slow_sound = sound._spawn(sound.raw_data, overrides={
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"frame_rate": int(sound.frame_rate * speed)
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})
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speedstr = str(speed).replace('.', '')
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file_out = self.coreaudiofile + f'_{speedstr}.{type}'
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save_path = os.path.join(savefolder, file_out)
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slow_sound.export(save_path, format=type)
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return slow_sound |