java实现监控rtsp流转flv方法实例(前端播放,前后端代码都有)

 更新时间:2023年06月30日 10:01:34   作者:心起  
这篇文章主要给大家介绍了关于java实现监控rtsp流转flv的相关资料,文中介绍的是前端播放,前后端代码都有,文中通过实例代码介绍的非常详细,需要的朋友可以参考下

一.服务代码

目录结构

maven配置文件引入坐标:

        <dependency>
            <groupId>org.bytedeco</groupId>
            <artifactId>javacv-platform</artifactId>
            <version>1.5.1</version>
        </dependency>
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.0</version>
        </dependency>

服务器代码

controller层:

import com.xr.web.rtspconverterflvspringbootstarter.service.IFLVService;
import io.swagger.annotations.Api;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 * FLV流转换
 *
 * @author gc.x
 */
@Api(tags = "flv")
@RequestMapping("/flv")
@RestController
public class FLVController {
 
    @Autowired
    private IFLVService service;
 
 
    @GetMapping()
    public void open4(HttpServletResponse response,
                      HttpServletRequest request) {
        String test = "rtsp://admin:sdxr@2022@192.168.0.205:554";
 
        service.open(test, response, request);
    }
}

config层:

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 
/**
 * 使用多线程执行定时任务
 * 
 * @author gc.x
 *
 */
@Configuration
@EnableScheduling
public class SchedulerConfig {
    @Bean
    public TaskScheduler taskScheduler() {
        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
        // 线程池大小
        scheduler.setPoolSize(3);
        // 线程名字前缀
        scheduler.setThreadNamePrefix("task-thread-");
        return scheduler;
    }
 
}

factories层:

/**
 * 转换器状态(初始化、打开、关闭、错误、运行)
 * 
 * @author gc.x
 */
public enum ConverterState {
    INITIAL, OPEN, CLOSE, ERROR, RUN
}
import javax.servlet.AsyncContext;
import java.io.IOException;
 
public interface Converter {
 
    /**
     * 获取该转换的key
     */
    public String getKey();
 
    /**
     * 获取该转换的url
     * 
     * @return
     */
    public String getUrl();
 
    /**
     * 添加一个流输出
     * 
     * @param entity
     */
    public void addOutputStreamEntity(String key, AsyncContext entity) throws IOException;
 
    /**
     * 退出转换
     */
    public void exit();
 
    /**
     * 启动
     */
    public void start();
 
}
import com.alibaba.fastjson.util.IOUtils;
import lombok.extern.slf4j.Slf4j;
import org.bytedeco.ffmpeg.avcodec.AVPacket;
import org.bytedeco.ffmpeg.global.avcodec;
import org.bytedeco.javacv.FFmpegFrameGrabber;
import org.bytedeco.javacv.FFmpegFrameRecorder;
import javax.servlet.AsyncContext;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
 
/**
 * javacv转包装<br/>
 * 无须转码,更低的资源消耗,更低的延迟<br/>
 * 确保流来源视频H264格式,音频AAC格式
 * 
 * @author gc.x
 */
@Slf4j
public class ConverterFactories extends Thread implements Converter {
    public volatile boolean runing = true;
    /**
     * 读流器
     */
    private FFmpegFrameGrabber grabber;
    /**
     * 转码器
     */
    private FFmpegFrameRecorder recorder;
    /**
     * 转FLV格式的头信息<br/>
     * 如果有第二个客户端播放首先要返回头信息
     */
    private byte[] headers;
    /**
     * 保存转换好的流
     */
    private ByteArrayOutputStream stream;
    /**
     * 流地址,h264,aac
     */
    private String url;
    /**
     * 流输出
     */
    private List<AsyncContext> outEntitys;
 
    /**
     * key用于表示这个转换器
     */
    private String key;
 
    /**
     * 转换队列
     */
    private Map<String, Converter> factories;
 
    public ConverterFactories(String url, String key, Map<String, Converter> factories, List<AsyncContext> outEntitys) {
        this.url = url;
        this.key = key;
        this.factories = factories;
        this.outEntitys = outEntitys;
    }
 
    @Override
    public void run() {
        boolean isCloseGrabberAndResponse = true;
        try {
            grabber = new FFmpegFrameGrabber(url);
            if ("rtsp".equals(url.substring(0, 4))) {
                grabber.setOption("rtsp_transport", "tcp");
                grabber.setOption("stimeout", "5000000");
            }
            grabber.start();
            if (avcodec.AV_CODEC_ID_H264 == grabber.getVideoCodec()
                    && (grabber.getAudioChannels() == 0 || avcodec.AV_CODEC_ID_AAC == grabber.getAudioCodec())) {
                log.info("this url:{} converterFactories start", url);
                // 来源视频H264格式,音频AAC格式
                // 无须转码,更低的资源消耗,更低的延迟
                stream = new ByteArrayOutputStream();
                recorder = new FFmpegFrameRecorder(stream, grabber.getImageWidth(), grabber.getImageHeight(),
                        grabber.getAudioChannels());
                recorder.setInterleaved(true);
                recorder.setVideoOption("preset", "ultrafast");
                recorder.setVideoOption("tune", "zerolatency");
                recorder.setVideoOption("crf", "25");
                recorder.setFrameRate(grabber.getFrameRate());
                recorder.setSampleRate(grabber.getSampleRate());
                if (grabber.getAudioChannels() > 0) {
                    recorder.setAudioChannels(grabber.getAudioChannels());
                    recorder.setAudioBitrate(grabber.getAudioBitrate());
                    recorder.setAudioCodec(grabber.getAudioCodec());
                }
                recorder.setFormat("flv");
                recorder.setVideoBitrate(grabber.getVideoBitrate());
                recorder.setVideoCodec(grabber.getVideoCodec());
                recorder.start(grabber.getFormatContext());
                if (headers == null) {
                    headers = stream.toByteArray();
                    stream.reset();
                    writeResponse(headers);
                }
                int nullNumber = 0;
                while (runing) {
                    AVPacket k = grabber.grabPacket();
                    if (k != null) {
                        try {
                            recorder.recordPacket(k);
                        } catch (Exception e) {
                        }
                        if (stream.size() > 0) {
                            byte[] b = stream.toByteArray();
                            stream.reset();
                            writeResponse(b);
                            if (outEntitys.isEmpty()) {
                                log.info("没有输出退出");
                                break;
                            }
                        }
                        avcodec.av_packet_unref(k);
                    } else {
                        nullNumber++;
                        if (nullNumber > 200) {
                            break;
                        }
                    }
                    Thread.sleep(5);
                }
            } else {
                isCloseGrabberAndResponse = false;
                // 需要转码为视频H264格式,音频AAC格式
                ConverterTranFactories c = new ConverterTranFactories(url, key, factories, outEntitys, grabber);
                factories.put(key, c);
                c.start();
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        } finally {
            closeConverter(isCloseGrabberAndResponse);
            completeResponse(isCloseGrabberAndResponse);
            log.info("this url:{} converterFactories exit", url);
 
        }
    }
 
    /**
     * 输出FLV视频流
     * 
     * @param b
     */
    public void writeResponse(byte[] b) {
        Iterator<AsyncContext> it = outEntitys.iterator();
        while (it.hasNext()) {
            AsyncContext o = it.next();
            try {
                o.getResponse().getOutputStream().write(b);
            } catch (Exception e) {
                log.info("移除一个输出");
                it.remove();
            }
        }
    }
 
    /**
     * 退出转换
     */
    public void closeConverter(boolean isCloseGrabberAndResponse) {
        if (isCloseGrabberAndResponse) {
            IOUtils.close(grabber);
            factories.remove(this.key);
        }
        IOUtils.close(recorder);
        IOUtils.close(stream);
    }
 
    /**
     * 关闭异步响应
     * 
     * @param isCloseGrabberAndResponse
     */
    public void completeResponse(boolean isCloseGrabberAndResponse) {
        if (isCloseGrabberAndResponse) {
            Iterator<AsyncContext> it = outEntitys.iterator();
            while (it.hasNext()) {
                AsyncContext o = it.next();
                o.complete();
            }
        }
    }
 
    @Override
    public String getKey() {
        return this.key;
    }
 
    @Override
    public String getUrl() {
        return this.url;
    }
 
    @Override
    public void addOutputStreamEntity(String key, AsyncContext entity) throws IOException {
        if (headers == null) {
            outEntitys.add(entity);
        } else {
            entity.getResponse().getOutputStream().write(headers);
            entity.getResponse().getOutputStream().flush();
            outEntitys.add(entity);
        }
    }
 
    @Override
    public void exit() {
        this.runing = false;
        try {
            this.join();
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
    }
 
}
import com.alibaba.fastjson.util.IOUtils;
import lombok.extern.slf4j.Slf4j;
import org.bytedeco.ffmpeg.global.avcodec;
import org.bytedeco.javacv.FFmpegFrameGrabber;
import org.bytedeco.javacv.FFmpegFrameRecorder;
import org.bytedeco.javacv.Frame;
 
import javax.servlet.AsyncContext;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
 
/**
 * javacv转码<br/>
 * 流来源不是视频H264格式,音频AAC格式 转码为视频H264格式,音频AAC格式
 * 
 * @author gc.x
 */
@Slf4j
public class ConverterTranFactories extends Thread implements Converter {
    public volatile boolean runing = true;
    /**
     * 读流器
     */
    private FFmpegFrameGrabber grabber;
    /**
     * 转码器
     */
    private FFmpegFrameRecorder recorder;
    /**
     * 转FLV格式的头信息<br/>
     * 如果有第二个客户端播放首先要返回头信息
     */
    private byte[] headers;
    /**
     * 保存转换好的流
     */
    private ByteArrayOutputStream stream;
    /**
     * 流地址,h264,aac
     */
    private String url;
    /**
     * 流输出
     */
    private List<AsyncContext> outEntitys;
 
    /**
     * key用于表示这个转换器
     */
    private String key;
 
    /**
     * 转换队列
     */
    private Map<String, Converter> factories;
 
    public ConverterTranFactories(String url, String key, Map<String, Converter> factories,
            List<AsyncContext> outEntitys, FFmpegFrameGrabber grabber) {
        this.url = url;
        this.key = key;
        this.factories = factories;
        this.outEntitys = outEntitys;
        this.grabber = grabber;
    }
 
    @Override
    public void run() {
        try {
            log.info("this url:{} converterTranFactories start", url);
            grabber.setFrameRate(25);
            if (grabber.getImageWidth() > 1920) {
                grabber.setImageWidth(1920);
            }
            if (grabber.getImageHeight() > 1080) {
                grabber.setImageHeight(1080);
            }
            stream = new ByteArrayOutputStream();
            recorder = new FFmpegFrameRecorder(stream, grabber.getImageWidth(), grabber.getImageHeight(),
                    grabber.getAudioChannels());
            recorder.setInterleaved(true);
            recorder.setVideoOption("preset", "ultrafast");
            recorder.setVideoOption("tune", "zerolatency");
            recorder.setVideoOption("crf", "25");
            recorder.setGopSize(50);
            recorder.setFrameRate(25);
            recorder.setSampleRate(grabber.getSampleRate());
            if (grabber.getAudioChannels() > 0) {
                recorder.setAudioChannels(grabber.getAudioChannels());
                recorder.setAudioBitrate(grabber.getAudioBitrate());
                recorder.setAudioCodec(avcodec.AV_CODEC_ID_AAC);
            }
            recorder.setFormat("flv");
            recorder.setVideoBitrate(grabber.getVideoBitrate());
            recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
            recorder.start();
            if (headers == null) {
                headers = stream.toByteArray();
                stream.reset();
                writeResponse(headers);
            }
            int nullNumber = 0;
            while (runing) {
                // 抓取一帧
                Frame f = grabber.grab();
                if (f != null) {
                    try {
                        // 转码
                        recorder.record(f);
                    } catch (Exception e) {
                    }
                    if (stream.size() > 0) {
                        byte[] b = stream.toByteArray();
                        stream.reset();
                        writeResponse(b);
                        if (outEntitys.isEmpty()) {
                            log.info("没有输出退出");
                            break;
                        }
                    }
                } else {
                    nullNumber++;
                    if (nullNumber > 200) {
                        break;
                    }
                }
                Thread.sleep(5);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        } finally {
            closeConverter();
            completeResponse();
            log.info("this url:{} converterTranFactories exit", url);
            factories.remove(this.key);
        }
    }
 
    /**
     * 输出FLV视频流
     * 
     * @param b
     */
    public void writeResponse(byte[] b) {
        Iterator<AsyncContext> it = outEntitys.iterator();
        while (it.hasNext()) {
            AsyncContext o = it.next();
            try {
                o.getResponse().getOutputStream().write(b);
            } catch (Exception e) {
                log.info("移除一个输出");
                it.remove();
            }
        }
    }
 
    /**
     * 退出转换
     */
    public void closeConverter() {
        IOUtils.close(grabber);
        IOUtils.close(recorder);
        IOUtils.close(stream);
    }
 
    /**
     * 关闭异步响应
     */
    public void completeResponse() {
        Iterator<AsyncContext> it = outEntitys.iterator();
        while (it.hasNext()) {
            AsyncContext o = it.next();
            o.complete();
        }
    }
 
    @Override
    public String getKey() {
        return this.key;
    }
 
    @Override
    public String getUrl() {
        return this.url;
    }
 
    @Override
    public void addOutputStreamEntity(String key, AsyncContext entity) throws IOException {
        if (headers == null) {
            outEntitys.add(entity);
        } else {
            entity.getResponse().getOutputStream().write(headers);
            entity.getResponse().getOutputStream().flush();
            outEntitys.add(entity);
        }
    }
 
    @Override
    public void exit() {
        this.runing = false;
        try {
            this.join();
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
    }
 
}

result层:

import com.alibaba.fastjson.JSONObject;
 
import java.io.Serializable;
import java.util.HashMap;
 
/**
 * 封装返回结果
 * 
 */
public class JsonResult extends HashMap<String, Object> implements Serializable {
 
    private static final long serialVersionUID = 1L;
    public static final int SUCCESS = 200;
 
    public JsonResult() {
    }
 
    /**
     * 返回成功
     */
    public static JsonResult ok() {
        return ok("操作成功");
    }
 
    /**
     * 返回成功
     */
    public static JsonResult okFallBack() {
        return okFallBack("操作成功");
    }
 
    /**
     * 返回成功
     */
    public JsonResult put(Object obj) {
        return this.put("data", obj);
    }
 
    /**
     * 返回成功
     */
    public static JsonResult ok(String message) {
        return result(200, message);
    }
 
    /**
     * 降级函数 - 返回成功
     */
    public static JsonResult okFallBack(String message) {
        return result(205, message);
    }
 
    /**
     * 返回成功
     */
    public static JsonResult result(int code, String message) {
        JsonResult jsonResult = new JsonResult();
        jsonResult.put("timestamp", System.currentTimeMillis());
        jsonResult.put("status", code);
        jsonResult.put("message", message);
        return jsonResult;
    }
 
    /**
     * 返回失败
     */
    public static JsonResult error() {
        return error("操作失败");
    }
 
    /**
     * 返回失败
     */
    public static JsonResult error(String message) {
        return error(500, message);
    }
 
    /**
     * 返回失败
     */
    public static JsonResult error(int code, String message) {
        JsonResult jsonResult = new JsonResult();
        jsonResult.put("timestamp", System.currentTimeMillis());
        jsonResult.put("status", code);
        jsonResult.put("message", message);
        return jsonResult;
    }
 
    /**
     * 设置code
     */
    public JsonResult setCode(int code) {
        super.put("status", code);
        return this;
    }
 
    /**
     * 设置message
     */
    public JsonResult setMessage(String message) {
        super.put("message", message);
        return this;
    }
 
    /**
     * 放入object
     */
    @Override
    public JsonResult put(String key, Object object) {
        super.put(key, object);
        return this;
    }
 
    /**
     * 权限禁止
     */
    public static JsonResult forbidden(String message) {
        JsonResult jsonResult = new JsonResult();
        jsonResult.put("timestamp", System.currentTimeMillis());
        jsonResult.put("status", 401);
        jsonResult.put("message", message);
        return jsonResult;
    }
 
    @Override
    public String toString() {
        return JSONObject.toJSONString(this);
    }
 
    public JSONObject toJSONObject() {
        return JSONObject.parseObject(toString());
    }
 
}

service层:

import com.alibaba.fastjson.JSONObject;
 
import java.io.Serializable;
import java.util.HashMap;
 
/**
 * 封装返回结果
 * 
 */
public class JsonResult extends HashMap<String, Object> implements Serializable {
 
    private static final long serialVersionUID = 1L;
    public static final int SUCCESS = 200;
 
    public JsonResult() {
    }
 
    /**
     * 返回成功
     */
    public static JsonResult ok() {
        return ok("操作成功");
    }
 
    /**
     * 返回成功
     */
    public static JsonResult okFallBack() {
        return okFallBack("操作成功");
    }
 
    /**
     * 返回成功
     */
    public JsonResult put(Object obj) {
        return this.put("data", obj);
    }
 
    /**
     * 返回成功
     */
    public static JsonResult ok(String message) {
        return result(200, message);
    }
 
    /**
     * 降级函数 - 返回成功
     */
    public static JsonResult okFallBack(String message) {
        return result(205, message);
    }
 
    /**
     * 返回成功
     */
    public static JsonResult result(int code, String message) {
        JsonResult jsonResult = new JsonResult();
        jsonResult.put("timestamp", System.currentTimeMillis());
        jsonResult.put("status", code);
        jsonResult.put("message", message);
        return jsonResult;
    }
 
    /**
     * 返回失败
     */
    public static JsonResult error() {
        return error("操作失败");
    }
 
    /**
     * 返回失败
     */
    public static JsonResult error(String message) {
        return error(500, message);
    }
 
    /**
     * 返回失败
     */
    public static JsonResult error(int code, String message) {
        JsonResult jsonResult = new JsonResult();
        jsonResult.put("timestamp", System.currentTimeMillis());
        jsonResult.put("status", code);
        jsonResult.put("message", message);
        return jsonResult;
    }
 
    /**
     * 设置code
     */
    public JsonResult setCode(int code) {
        super.put("status", code);
        return this;
    }
 
    /**
     * 设置message
     */
    public JsonResult setMessage(String message) {
        super.put("message", message);
        return this;
    }
 
    /**
     * 放入object
     */
    @Override
    public JsonResult put(String key, Object object) {
        super.put(key, object);
        return this;
    }
 
    /**
     * 权限禁止
     */
    public static JsonResult forbidden(String message) {
        JsonResult jsonResult = new JsonResult();
        jsonResult.put("timestamp", System.currentTimeMillis());
        jsonResult.put("status", 401);
        jsonResult.put("message", message);
        return jsonResult;
    }
 
    @Override
    public String toString() {
        return JSONObject.toJSONString(this);
    }
 
    public JSONObject toJSONObject() {
        return JSONObject.parseObject(toString());
    }
 
}
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public interface IFLVService {
    /**
     * 打开一个流地址
     * 
     * @param url
     * @param response
     */
    public void open(String url, HttpServletResponse response, HttpServletRequest request);
}

二.客户端代码基于flv.js进行播放

<!-- @format -->
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
    </head>
    <body>
        <script src="flv.min.js"></script>
        <video id="videoElement"></video>
        <button onclick="playflv()">点击播放</button>
        <script>
            if (flvjs.isSupported()) {
                var videoElement = document.getElementById('videoElement');
                var flvPlayer = flvjs.createPlayer({
                    type: 'flv',
                    url: 'http://127.0.0.1:10010/xr/flv',
                });
                flvPlayer.attachMediaElement(videoElement);
                flvPlayer.load();
            }
            //自动播放,浏览器不支持
            function playflv() {
                flvPlayer.play();
            }
        </script>
    </body>
</html>

这里因为浏览器把自动播放给禁止了,加了个按钮点击事件

https://www.bootcdn.cn/

引入的flv.js文件在如下网站下载即可:

总结

到此这篇关于java实现监控rtsp流转flv的文章就介绍到这了,更多相关java监控rtsp流转flv内容请搜索脚本之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持脚本之家!

相关文章

  • Spring Security学习笔记(一)

    Spring Security学习笔记(一)

    这篇文章主要介绍了Spring Security的相关资料,帮助大家开始学习Spring Security框架,感兴趣的朋友可以了解下
    2020-09-09
  • springboot中使用jpa下hibernate的ddl-auto方式

    springboot中使用jpa下hibernate的ddl-auto方式

    这篇文章主要介绍了springboot中使用jpa下hibernate的ddl-auto方式,具有很好的参考价值,希望对大家有所帮助。如有错误或未考虑完全的地方,望不吝赐教
    2022-02-02
  • java实现潜艇大战游戏源码

    java实现潜艇大战游戏源码

    潜艇大战游戏相信大家都玩过,是一款非常有趣的小游戏,那么基于代码是如何实现的呢?今天小编给大家带来一篇教程帮助大家学习java实现潜艇大战游戏,感谢的朋友一起看看吧
    2021-06-06
  • java中生产者消费者问题和代码案例

    java中生产者消费者问题和代码案例

    大家好,本篇文章主要讲的是java中生产者消费者问题和代码案例,感兴趣的同学赶快来看一看吧,对你有帮助的话记得收藏一下
    2022-02-02
  • Java NIO实现聊天系统

    Java NIO实现聊天系统

    这篇文章主要为大家详细介绍了Java NIO实现聊天系统,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
    2021-11-11
  • redis redisTemplate数据类型基础操作

    redis redisTemplate数据类型基础操作

    这篇文章主要介绍了redis redisTemplate数据类型基础操作,具有很好的参考价值,希望对大家有所帮助。如有错误或未考虑完全的地方,望不吝赐教
    2023-06-06
  • JavaGUI模仿QQ聊天功能完整版

    JavaGUI模仿QQ聊天功能完整版

    这篇文章主要为大家详细介绍了JavaGUI模仿QQ聊天功能完整版,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
    2021-07-07
  • Java全面讲解顺序表与链表的使用

    Java全面讲解顺序表与链表的使用

    大家好,今天给大家带来的是顺序表和链表,我觉得顺序表还是有比较难理解的地方的,于是我就把这一块的内容全部整理到了一起,希望能够给刚刚进行学习数据结构的人带来一些帮助,或者是已经学过这块的朋友们带来更深的理解,我们现在就开始吧
    2022-05-05
  • javaBean的基础知识及常见乱码解决方法

    javaBean的基础知识及常见乱码解决方法

    这篇文章主要介绍了javaBean的基础知识及常见乱码解决方法的相关资料,需要的朋友可以参考下
    2017-03-03
  • java多线程消息队列的实现代码

    java多线程消息队列的实现代码

    本篇文章主要介绍了java多线程消息队列的实现代码,小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧
    2017-07-07

最新评论