利用docker搭建RTMP直播流服务器实现直播

import javax.swing.JFrame;
 
import org.bytedeco.javacpp.Loader;
import org.bytedeco.javacpp.avcodec;
import org.bytedeco.javacpp.opencv_core;
import org.bytedeco.javacpp.opencv_objdetect;
import org.bytedeco.javacv.*;
import org.bytedeco.javacv.FrameGrabber.Exception;
 
public class JavavcCameraTest
{
    public static void recordCamera(String outputFile, double frameRate)
            throws Exception, InterruptedException, org.bytedeco.javacv.FrameRecorder.Exception {
        Loader.load(opencv_objdetect.class);
        FrameGrabber grabber = FrameGrabber.createDefault(0);//本机摄像头默认0，这里使用javacv的抓取器，至于使用的是ffmpeg还是opencv，请自行查看源码
        grabber.start();//开启抓取器
 
        OpenCVFrameConverter.ToIplImage converter = new OpenCVFrameConverter.ToIplImage();//转换器
        opencv_core.IplImage grabbedImage = converter.convert(grabber.grab());//抓取一帧视频并将其转换为图像，至于用这个图像用来做什么？加水印，人脸识别等等自行添加
        int width = grabbedImage.width();
        int height = grabbedImage.height();
 
        FrameRecorder recorder = FrameRecorder.createDefault(outputFile, width, height);
        recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264); // avcodec.AV_CODEC_ID_H264，编码
        recorder.setFormat("flv");//封装格式，如果是推送到rtmp就必须是flv封装格式
        recorder.setFrameRate(frameRate);
 
        recorder.start();//开启录制器
        long startTime=0;
        long videoTS=0;
        CanvasFrame frame = new CanvasFrame("camera", CanvasFrame.getDefaultGamma() / grabber.getGamma());
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setAlwaysOnTop(true);
        Frame rotatedFrame=converter.convert(grabbedImage);//不知道为什么这里不做转换就不能推到rtmp
        while (frame.isVisible() && (grabbedImage = converter.convert(grabber.grab())) != null) {
            rotatedFrame = converter.convert(grabbedImage);
            frame.showImage(rotatedFrame);
            if (startTime == 0) {
                startTime = System.currentTimeMillis();
            }
            videoTS = 1000 * (System.currentTimeMillis() - startTime);
            recorder.setTimestamp(videoTS);
            recorder.record(rotatedFrame);
            Thread.sleep(40);
        }
        frame.dispose();
        recorder.stop();
        recorder.release();
        grabber.stop();
 
    }
 
    public static void main(String[] args) throws Exception, InterruptedException, org.bytedeco.javacv.FrameRecorder.Exception {
//        recordCamera("D:\\example.mp4",25); //保持到本地
        recordCamera("rtmp://192.168.1.201:1935/stream/example",25); //推流到rtmp服务器
    }
 
}

<dependency>
			<groupId>org.bytedeco</groupId>
			<artifactId>javacv-platform</artifactId>
			<version>1.3.2</version>
		</dependency>