java使用FFmpeg提取音频的实现示例

<dependency>
    <groupId>net.bramp.ffmpeg</groupId>
    <artifactId>ffmpeg</artifactId>
    <version>0.8.2</version>
</dependency>

import net.bramp.ffmpeg.FFmpeg;
import net.bramp.ffmpeg.FFprobe;

public class AudioExtractor {
    private FFmpeg ffmpeg;
    private FFprobe ffprobe;
    
    public AudioExtractor() {
        // 初始化FFmpeg和FFprobe
        ffmpeg = new FFmpeg();
        ffprobe = new FFprobe();
    }
    
    public void extractAudio(String inputFilePath, String outputFilePath) {
        // 构建提取音频的命令
        String[] command = new String[]{
            ffmpeg.getPath(),
            "-i",
            inputFilePath,
            "-vn",
            "-acodec",
            "copy",
            outputFilePath
        };
        
        try {
            // 执行命令
            Process process = Runtime.getRuntime().exec(command);
            
            // 等待命令执行完成
            process.waitFor();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}