海康sdk starter
基于海康威视网络摄像机和NVR录像机的SDK二次开发, 为解决web-sdk播放控件兼容性不友好(只能在低版本浏览器下才能播放),rtsp回放延迟问题(8s以上延迟),和多端设备播放兼容等问题。 主要实现了sdk实时预览、回放、抓图等功能, rtsp推流 (无需nginx推流即可播放) 缺点:包文件比较大,占网络带宽、播放次数过大,耗cpu资源。 目前海康大华摄像头都支持GB28181协议,对于播放要求比较高的话,可以考虑这个方向。
指定仓库地址
<repositories>
<repository>
<id>jitpack.io</id>
<url>https://jitpack.io</url>
</repository>
</repositories>
maven 坐标
<dependency>
<groupId>com.github.waimifeier</groupId>
<artifactId>hikvision-spring-boot-starter</artifactId>
<version>1.2.10</version>
</dependency>
海康sdk库文件需要去
海康官网下载
,区分window版和linux版
# 配置海康威视 sdk 位置
hik:
sdk-path: classpath:sdk/win
@GetMapping(value = "/video/rtspReal.flv",produces = {"video/x-flv;charset=UTF-8"})
public void flvRtspReal(HttpServletResponse response,HttpServletRequest request){
AsyncContext asyncContext = request.startAsync();
asyncContext.setTimeout(0);
String rtspUrl = HkUtils.toRtspUrl("ip", "推流端口", "账号", "密码","通道号");
try {
HkUtils.rtspToFlv(rtspUrl,asyncContext);
}catch (Exception e){
e.printStackTrace();
}
}
目前接入的海康设备rtsp回放不太稳定,会经常播放不了(不知道是不是设备的问题),即使能播放也有很大的延迟
@GetMapping(value = "/video/rtspBack.flv",produces = {"video/x-flv;charset=UTF-8"})
public void flvRtspBack(HttpServletResponse response,HttpServletRequest request){
AsyncContext asyncContext = request.startAsync();
asyncContext.setTimeout(0);
// 获取rtsp回放地址
String rtspUrl = HkUtils.toRtspUrl("ip", "推流端口", "账号", "密码","通道号","2023-03-10 12:00:00","2023-03-10 13:00:00");
try {
HkUtils.rtspToFlv(rtspUrl,asyncContext);
}catch (Exception e){
e.printStackTrace();
}
}
sdk 推流,实际上就是调用了海康的sdk,完成了一次播放预览,通过抓流得到码流数据。 播放画面过多,比较耗性能。
/**
* 实时预览
*/
@GetMapping(value = "/video/sdkReal.flv",produces = {"video/x-flv;charset=UTF-8"})
public void flvSdkReal(HttpServletResponse response,HttpServletRequest request){
AsyncContext asyncContext = request.startAsync();
asyncContext.setTimeout(0);
// sdk抓流,必须登陆
CameraLogin cameraLogin = HkUtils.doLogin("ip", "端口", "账号", "密码");
// sdk开启实时预览 (参数二为通道号,可从登陆信息获取到)
VideoPreview videoPreview = HkUtils.startRelaPlay(cameraLogin.getUserId(),17);
PipedOutputStream outputStream = videoPreview.getOutputStream();
PipedInputStream inputStream=new PipedInputStream();
try {
// 使用抓流器进行转码
inputStream.connect(outputStream);
HkUtils.streamToFlv(inputStream,outputStream,asyncContext,videoPreview.getPlayHandler());
}catch (Exception e){
e.printStackTrace();
}
}
/**
* 回放预览
*/
@GetMapping(value = "/video/sdkBack.flv",produces = {"video/x-flv;charset=UTF-8"})
public void flvSdkBack(HttpServletResponse response,HttpServletRequest request){
AsyncContext asyncContext = request.startAsync();
asyncContext.setTimeout(0);
// sdk抓流,必须登陆
CameraLogin cameraLogin = HkUtils.doLogin("ip", "端口", "账号", "密码");
// 使用sdk开启回放预览 (参数二为通道号,可从登陆信息获取到)
VideoPreview videoPreview = HkUtils.startBackPlay(cameraLogin.getUserId(),17,"开始时间","结束时间");
PipedOutputStream outputStream = videoPreview.getOutputStream();
PipedInputStream inputStream=new PipedInputStream();
try {
inputStream.connect(outputStream);
HkUtils.streamToFlv(inputStream,outputStream,asyncContext,videoPreview.getPlayHandler());
}catch (Exception e){
e.printStackTrace();
}
}
推荐使用播放器 LivePlayer 或 xgplayer