64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
import logging
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import os
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import subprocess
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from logging.handlers import RotatingFileHandler
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# 配置日志
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logging.basicConfig(level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s',
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handlers=[
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logging.StreamHandler(), # 控制台日志
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RotatingFileHandler('app.log', maxBytes=1024*1024*5, backupCount=3) # 日志文件
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])
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def mp4_to_wav(mp4_file):
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try:
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mp4_dir = os.path.dirname(mp4_file)
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mp4_filename = os.path.splitext(os.path.basename(mp4_file))[0]
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wav_file = os.path.join(mp4_dir, f"{mp4_filename}.wav")
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command = [
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'ffmpeg',
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'-y',
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'-i', mp4_file,
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'-vn', # 去除视频流
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'-acodec', 'pcm_s16le', # 使用 PCM 16 位有符号小端编码
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'-ar', '44100', # 设置采样率为 44100 Hz
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'-ac', '2', # 设置声道数为 2（立体声）
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wav_file
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]
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subprocess.run(command, check=True)
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logging.info(f"成功将 {mp4_file} 转换为 {wav_file}")
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return wav_file
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except subprocess.CalledProcessError as e:
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logging.error(f"转换失败: {e}")
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return None
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except FileNotFoundError:
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logging.error("未找到 FFmpeg，请确保已安装并配置好 FFmpeg 环境。")
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return None
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def mp4_to_mp3(mp4_file):
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try:
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mp4_dir = os.path.dirname(mp4_file)
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mp4_filename = os.path.splitext(os.path.basename(mp4_file))[0]
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mp3_file = os.path.join(mp4_dir, f"{mp4_filename}.mp3")
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command = [
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'ffmpeg',
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'-y',
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'-i', mp4_file,
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'-vn', # 去除视频流
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mp3_file
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]
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print(command)
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subprocess.run(command, check=True)
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logging.info(f"成功将 {mp4_file} 转换为 {mp3_file}")
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return mp3_file
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except subprocess.CalledProcessError as e:
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logging.error(f"转换失败: {e}")
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return None
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except FileNotFoundError:
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logging.error("未找到 FFmpeg，请确保已安装并配置好 FFmpeg 环境。")
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return None |