在Java中使用ffmpeg作为进程录制直播流

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class FfmpegRecorder {
    public static void main(String[] args) {
        String ffmpegPath = "/path/to/ffmpeg"; // ffmpeg的安装路径
        String inputUrl = "rtmp://input_url"; // 输入流的URL
        String outputFilePath = "/path/to/output.flv"; // 输出文件路径

        try {
            // 构建ffmpeg命令
            ProcessBuilder processBuilder = new ProcessBuilder(ffmpegPath, "-i", inputUrl, "-c:v", "copy", "-c:a", "copy", outputFilePath);
            processBuilder.redirectErrorStream(true);

            // 执行ffmpeg命令
            Process process = processBuilder.start();

            // 获取ffmpeg的输出信息
            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line;
            while ((line = reader.readLine()) != null) {
                System.out.println(line);
            }

            // 等待ffmpeg命令执行完成
            int exitCode = process.waitFor();
            System.out.println("ffmpeg process exited with code " + exitCode);
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}