音频可视化导出视频

复制import subprocess
import os

# 输入音频文件路径
AUDIO_FILE = "input.mp3"
OUTPUT_VIDEO = "output.mp4"

# 使用 FFmpeg 生成波形视频
# -filter_complex "showwaves" 生成波形，size 控制分辨率，mode 控制波形样式
cmd = [
    "ffmpeg",
    "-i", AUDIO_FILE,
    "-filter_complex",
    "[0:a]showwaves=s=1280x720:mode=cline:rate=25,format=yuv420p[v]",
    "-map", "[v]",
    "-map", "0:a",
    "-c:v", "libx264",
    "-preset", "fast",
    "-crf", "23",
    "-c:a", "aac",
    "-b:a", "192k",
    "-shortest",
    OUTPUT_VIDEO
]

try:
    subprocess.run(cmd, check=True, capture_output=True, text=True)
    print(f"视频已生成: {OUTPUT_VIDEO}")
except subprocess.CalledProcessError as e:
    print(f"FFmpeg 执行失败: {e.stderr}")

复制package main

import (
	"fmt"
	"os/exec"
)

func main() {
	audioFile := "input.mp3"
	outputVideo := "output.mp4"

	// 构建 FFmpeg 命令参数
	args := []string{
		"-i", audioFile,
		"-filter_complex", "[0:a]showwaves=s=1280x720:mode=cline:rate=25,format=yuv420p[v]",
		"-map", "[v]",
		"-map", "0:a",
		"-c:v", "libx264",
		"-preset", "fast",
		"-crf", "23",
		"-c:a", "aac",
		"-b:a", "192k",
		"-shortest",
		outputVideo,
	}

	cmd := exec.Command("ffmpeg", args...)
	output, err := cmd.CombinedOutput()
	if err != nil {
		fmt.Printf("FFmpeg 执行失败: %v\n%s", err, string(output))
		return
	}
	fmt.Printf("视频已生成: %s\n", outputVideo)
}

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

const audioFile = 'input.mp3';
const outputVideo = 'output.mp4';

// 构建 FFmpeg 命令参数数组
const args = [
  '-i', audioFile,
  '-filter_complex', '[0:a]showwaves=s=1280x720:mode=cline:rate=25,format=yuv420p[v]',
  '-map', '[v]',
  '-map', '0:a',
  '-c:v', 'libx264',
  '-preset', 'fast',
  '-crf', '23',
  '-c:a', 'aac',
  '-b:a', '192k',
  '-shortest',
  outputVideo
];

try {
  execSync(`ffmpeg ${args.join(' ')}`, { stdio: 'inherit' });
  console.log(`视频已生成: ${outputVideo}`);
} catch (error) {
  console.error('FFmpeg 执行失败:', error.message);
}