import subprocess
import os
from pathlib import Path

def batch_convert():
    # 创建输出目录
    output_dir = Path("new")
    output_dir.mkdir(exist_ok=True)

    # 获取当前目录所有MP4文件
    for file in Path(".").glob("*.mp4"):
        # 跳过已在输出目录的文件
        if file.parent == output_dir:
            continue

        # 构建输出文件名
        output_file = output_dir / f"{file.stem}-new.mp4"

        # 构建ffmpeg命令
        cmd = [
            "ffmpeg", "-i", str(file),
            "-s", "1280x720", "-r", "10",
            "-qmin", "30", "-qmax", "40",
            "-ab", "28k", "-ac", "1",
            "-y", str(output_file)
        ]

        try:
            subprocess.run(cmd, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
            print(f"转换完成：{output_file}")
        except subprocess.CalledProcessError as e:
            print(f"转换失败 {file}：{e.stderr.decode()}")

if __name__ == "__main__":
    batch_convert()

转载请注明：运维博客 » python 使用 ffmpeg 批量压缩mp4的脚本