音频分割

复制import subprocess
import os

# 等长分割：每段 30 秒，输出到 output 目录
input_file = "input.mp3"
segment_duration = 30  # 秒
output_dir = "segments"
os.makedirs(output_dir, exist_ok=True)

# ffmpeg -i input.mp3 -f segment -segment_time 30 -c copy output_dir/out_%03d.mp3
cmd = [
    "ffmpeg", "-i", input_file,
    "-f", "segment",
    "-segment_time", str(segment_duration),
    "-c", "copy",
    os.path.join(output_dir, "out_%03d.mp3")
]
subprocess.run(cmd, check=True)
print(f"已分割为 {segment_duration} 秒等长片段，保存在 {output_dir}/")

复制package main

import (
	"fmt"
	"os"
	"os/exec"
	"strconv"
)

func main() {
	input := "input.mp3"
	segmentDuration := 30 // 秒
	outputDir := "segments"
	os.MkdirAll(outputDir, 0755)

	// ffmpeg -i input.mp3 -f segment -segment_time 30 -c copy segments/out_%03d.mp3
	cmd := exec.Command("ffmpeg",
		"-i", input,
		"-f", "segment",
		"-segment_time", strconv.Itoa(segmentDuration),
		"-c", "copy",
		outputDir+"/out_%03d.mp3",
	)
	if err := cmd.Run(); err != nil {
		fmt.Fprintf(os.Stderr, "分割失败: %v\n", err)
		os.Exit(1)
	}
	fmt.Printf("已分割为 %d 秒等长片段，保存在 %s/\n", segmentDuration, outputDir)
}

复制const { execSync } = require('child_process');
const path = require('path');
const fs = require('fs');

const input = 'input.mp3';
const segmentDuration = 30; // 秒
const outputDir = 'segments';
fs.mkdirSync(outputDir, { recursive: true });

// ffmpeg -i input.mp3 -f segment -segment_time 30 -c copy segments/out_%03d.mp3
try {
  execSync(
    `ffmpeg -i "${input}" -f segment -segment_time ${segmentDuration} -c copy "${path.join(outputDir, 'out_%03d.mp3')}"`,
    { stdio: 'inherit' }
  );
  console.log(`已分割为 ${segmentDuration} 秒等长片段，保存在 ${outputDir}/`);
} catch (err) {
  console.error('分割失败:', err.message);
  process.exit(1);
}