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2024-03-08 f95ca2248ed0a0ea8f92f9ed2dd3145ce520f8a6

 src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/play/PlayController.java

old mode 100644
new mode 100755
@@ -1,49 +1,60 @@
package com.genersoft.iot.vmp.vmanager.gb28181.play;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson2.JSONArray;
import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.common.InviteInfo;
import com.genersoft.iot.vmp.common.InviteSessionStatus;
import com.genersoft.iot.vmp.common.InviteSessionType;
import com.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.conf.UserSetting;
import com.genersoft.iot.vmp.conf.exception.ControllerException;
import com.genersoft.iot.vmp.conf.exception.SsrcTransactionNotFoundException;
import com.genersoft.iot.vmp.conf.security.JwtUtils;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.IInviteStreamService;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
import com.genersoft.iot.vmp.vmanager.gb28181.play.bean.PlayResult;
import com.genersoft.iot.vmp.service.IMediaService;
import com.genersoft.iot.vmp.service.IPlayService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import com.genersoft.iot.vmp.service.bean.InviteErrorCode;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
import com.genersoft.iot.vmp.utils.DateUtil;
import com.genersoft.iot.vmp.vmanager.bean.*;
import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
import com.genersoft.iot.vmp.vmanager.bean.StreamContent;
import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.security.SecurityRequirement;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.async.DeferredResult;

import javax.servlet.http.HttpServletRequest;
import javax.sip.InvalidArgumentException;
import javax.sip.SipException;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.ParseException;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import javax.sip.message.Response;

@Api(tags = "国标设备点播")
@CrossOrigin
/**
 * @author lin
 */
@Tag(name  = "国标设备点播")

@RestController
@RequestMapping("/api/play")
public class PlayController {
@@ -57,10 +68,13 @@
   private VideoStreamSessionManager streamSession;

   @Autowired
   private IVideoManagerStorager storager;
   private IVideoManagerStorage storager;

   @Autowired
   private IRedisCatchStorage redisCatchStorage;

   @Autowired
   private IInviteStreamService inviteStreamService;

   @Autowired
   private ZLMRESTfulUtils zlmresTfulUtils;
@@ -77,234 +91,232 @@
   @Autowired
   private IMediaServerService mediaServerService;

   @ApiOperation("开始点播")
   @ApiImplicitParams({
         @ApiImplicitParam(name = "deviceId", value = "设备ID", dataTypeClass = String.class),
         @ApiImplicitParam(name = "channelId", value = "通道ID", dataTypeClass = String.class),
   })
   @GetMapping("/start/{deviceId}/{channelId}")
   public DeferredResult<ResponseEntity<String>> play(@PathVariable String deviceId,
                                          @PathVariable String channelId) {
   @Autowired
   private UserSetting userSetting;

   @Operation(summary = "开始点播", security = @SecurityRequirement(name = JwtUtils.HEADER))
   @Parameter(name = "deviceId", description = "设备国标编号", required = true)
   @Parameter(name = "channelId", description = "通道国标编号", required = true)
   @GetMapping("/start/{deviceId}/{channelId}")
   public DeferredResult<WVPResult<StreamContent>> play(HttpServletRequest request, @PathVariable String deviceId,
                                           @PathVariable String channelId) {

      logger.info("[开始点播] deviceId：{}, channelId：{}, ", deviceId, channelId);
      // 获取可用的zlm
      Device device = storager.queryVideoDevice(deviceId);
      MediaServerItem newMediaServerItem = playService.getNewMediaServerItem(device);
      PlayResult playResult = playService.play(newMediaServerItem, deviceId, channelId, null, null);

      return playResult.getResult();
   }
      RequestMessage requestMessage = new RequestMessage();
      String key = DeferredResultHolder.CALLBACK_CMD_PLAY + deviceId + channelId;
      requestMessage.setKey(key);
      String uuid = UUID.randomUUID().toString();
      requestMessage.setId(uuid);
      DeferredResult<WVPResult<StreamContent>> result = new DeferredResult<>(userSetting.getPlayTimeout().longValue());

   @ApiOperation("停止点播")
   @ApiImplicitParams({
         @ApiImplicitParam(name = "deviceId", value = "设备ID", dataTypeClass = String.class),
         @ApiImplicitParam(name = "channelId", value = "通道ID", dataTypeClass = String.class),
   })
   @GetMapping("/stop/{deviceId}/{channelId}")
   public DeferredResult<ResponseEntity<String>> playStop(@PathVariable String deviceId, @PathVariable String channelId) {

      logger.debug(String.format("设备预览/回放停止API调用，streamId：%s/$s", deviceId, channelId ));

      UUID uuid = UUID.randomUUID();
      DeferredResult<ResponseEntity<String>> result = new DeferredResult<ResponseEntity<String>>();
      result.onTimeout(()->{
         logger.info("[点播等待超时] deviceId：{}, channelId：{}, ", deviceId, channelId);
         // 释放rtpserver
         WVPResult<StreamInfo> wvpResult = new WVPResult<>();
         wvpResult.setCode(ErrorCode.ERROR100.getCode());
         wvpResult.setMsg("点播超时");
         requestMessage.setData(wvpResult);
         resultHolder.invokeAllResult(requestMessage);
         inviteStreamService.removeInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
         storager.stopPlay(deviceId, channelId);
      });

      // 录像查询以channelId作为deviceId查询
      resultHolder.put(DeferredResultHolder.CALLBACK_CMD_STOP + uuid, result);
      Device device = storager.queryVideoDevice(deviceId);
      cmder.streamByeCmd(deviceId, channelId, (event) -> {
         StreamInfo streamInfo = redisCatchStorage.queryPlayByDevice(deviceId, channelId);
         if (streamInfo == null) {
            RequestMessage msg = new RequestMessage();
            msg.setId(DeferredResultHolder.CALLBACK_CMD_STOP + uuid);
            msg.setData("点播未找到");
            resultHolder.invokeResult(msg);
            storager.stopPlay(deviceId, channelId);
      resultHolder.put(key, uuid, result);

      playService.play(newMediaServerItem, deviceId, channelId, null, (code, msg, data) -> {
         WVPResult<StreamContent> wvpResult = new WVPResult<>();
         if (code == InviteErrorCode.SUCCESS.getCode()) {
            wvpResult.setCode(ErrorCode.SUCCESS.getCode());
            wvpResult.setMsg(ErrorCode.SUCCESS.getMsg());

            if (data != null) {
               StreamInfo streamInfo = (StreamInfo)data;
               if (userSetting.getUseSourceIpAsStreamIp()) {
                  streamInfo=streamInfo.clone();//深拷贝
                  String host;
                  try {
                     URL url=new URL(request.getRequestURL().toString());
                     host=url.getHost();
                  } catch (MalformedURLException e) {
                     host=request.getLocalAddr();
                  }
                  streamInfo.channgeStreamIp(host);
               }
               wvpResult.setData(new StreamContent(streamInfo));
            }else {
               wvpResult.setCode(code);
               wvpResult.setMsg(msg);
            }
         }else {
            redisCatchStorage.stopPlay(streamInfo);
            storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId());
            RequestMessage msg = new RequestMessage();
            msg.setId(DeferredResultHolder.CALLBACK_CMD_STOP + uuid);
            //Response response = event.getResponse();
            msg.setData(String.format("success"));
            resultHolder.invokeResult(msg);
            wvpResult.setCode(code);
            wvpResult.setMsg(msg);
         }
         mediaServerService.closeRTPServer(device, channelId);
      });

      if (deviceId != null || channelId != null) {
         JSONObject json = new JSONObject();
         json.put("deviceId", deviceId);
         json.put("channelId", channelId);
         RequestMessage msg = new RequestMessage();
         msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
         msg.setData(json.toString());
         resultHolder.invokeResult(msg);
      } else {
         logger.warn("设备预览/回放停止API调用失败！");
         RequestMessage msg = new RequestMessage();
         msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
         msg.setData("streamId null");
         resultHolder.invokeResult(msg);
      }

      // 超时处理
      result.onTimeout(()->{
         logger.warn(String.format("设备预览/回放停止超时，deviceId/channelId：%s/$s ", deviceId, channelId));
         RequestMessage msg = new RequestMessage();
         msg.setId(DeferredResultHolder.CALLBACK_CMD_STOP + uuid);
         msg.setData("Timeout");
         resultHolder.invokeResult(msg);
         requestMessage.setData(wvpResult);
         resultHolder.invokeResult(requestMessage);
      });
      return result;
   }

   @Operation(summary = "停止点播", security = @SecurityRequirement(name = JwtUtils.HEADER))
   @Parameter(name = "deviceId", description = "设备国标编号", required = true)
   @Parameter(name = "channelId", description = "通道国标编号", required = true)
   @Parameter(name = "isSubStream", description = "是否子码流（true-子码流，false-主码流），默认为false", required = true)
   @GetMapping("/stop/{deviceId}/{channelId}")
   public JSONObject playStop(@PathVariable String deviceId, @PathVariable String channelId,boolean isSubStream) {

      logger.debug(String.format("设备预览/回放停止API调用，streamId：%s_%s", deviceId, channelId ));

      if (deviceId == null || channelId == null) {
         throw new ControllerException(ErrorCode.ERROR400);
      }

      Device device = storager.queryVideoDevice(deviceId);
      if (device == null) {
         throw new ControllerException(ErrorCode.ERROR100.getCode(), "设备[" + deviceId + "]不存在");
      }

      InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
      if (inviteInfo == null) {
         throw new ControllerException(ErrorCode.ERROR100.getCode(), "点播未找到");
      }
      if (InviteSessionStatus.ok == inviteInfo.getStatus()) {
         try {
            logger.info("[停止点播] {}/{}", device.getDeviceId(), channelId);
            cmder.streamByeCmd(device, channelId, inviteInfo.getStream(), null, null);
         } catch (InvalidArgumentException | SipException | ParseException | SsrcTransactionNotFoundException e) {
            logger.error("[命令发送失败] 停止点播， 发送BYE: {}", e.getMessage());
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "命令发送失败: " + e.getMessage());
         }
      }
      inviteStreamService.removeInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
      storager.stopPlay(deviceId, channelId);

      JSONObject json = new JSONObject();
      json.put("deviceId", deviceId);
      json.put("channelId", channelId);
      json.put("isSubStream", isSubStream);
      return json;
   }

   /**
    * 将不是h264的视频通过ffmpeg 转码为h264 + aac
    * @param streamId 流ID
    * @return
    */
   @ApiOperation("将不是h264的视频通过ffmpeg 转码为h264 + aac")
   @ApiImplicitParams({
         @ApiImplicitParam(name = "streamId", value = "视频流ID", dataTypeClass = String.class),
   })
   @Operation(summary = "将不是h264的视频通过ffmpeg 转码为h264 + aac", security = @SecurityRequirement(name = JwtUtils.HEADER))
   @Parameter(name = "streamId", description = "视频流ID", required = true)
   @PostMapping("/convert/{streamId}")
   public ResponseEntity<String> playConvert(@PathVariable String streamId) {
      StreamInfo streamInfo = redisCatchStorage.queryPlayByStreamId(streamId);
      if (streamInfo == null) {
         streamInfo = redisCatchStorage.queryPlaybackByStreamId(streamId);
      }
      if (streamInfo == null) {
   public JSONObject playConvert(@PathVariable String streamId) {
//      StreamInfo streamInfo = redisCatchStorage.queryPlayByStreamId(streamId);

      InviteInfo inviteInfo = inviteStreamService.getInviteInfoByStream(null, streamId);
      if (inviteInfo == null || inviteInfo.getStreamInfo() == null) {
         logger.warn("视频转码API调用失败！, 视频流已经停止!");
         return new ResponseEntity<String>("未找到视频流信息, 视频流可能已经停止", HttpStatus.OK);
         throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到视频流信息, 视频流可能已经停止");
      }
      MediaServerItem mediaInfo = mediaServerService.getOne(streamInfo.getMediaServerId());
      MediaServerItem mediaInfo = mediaServerService.getOne(inviteInfo.getStreamInfo().getMediaServerId());
      JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(mediaInfo, streamId);
      if (!rtpInfo.getBoolean("exist")) {
         logger.warn("视频转码API调用失败！, 视频流已停止推流!");
         return new ResponseEntity<String>("推流信息在流媒体中不存在, 视频流可能已停止推流", HttpStatus.OK);
         throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到视频流信息, 视频流可能已停止推流");
      } else {
         String dstUrl = String.format("rtmp://%s:%s/convert/%s", "127.0.0.1", mediaInfo.getRtmpPort(),
               streamId );
         String srcUrl = String.format("rtsp://%s:%s/rtp/%s", "127.0.0.1", mediaInfo.getRtspPort(), streamId);
         JSONObject jsonObject = zlmresTfulUtils.addFFmpegSource(mediaInfo, srcUrl, dstUrl, "1000000", true, false, null);
         logger.info(jsonObject.toJSONString());
         JSONObject result = new JSONObject();
         if (jsonObject != null && jsonObject.getInteger("code") == 0) {
               result.put("code", 0);
            JSONObject data = jsonObject.getJSONObject("data");
            if (data != null) {
                  result.put("key", data.getString("key"));
               StreamInfo streamInfoResult = mediaService.getStreamInfoByAppAndStreamWithCheck("convert", streamId, mediaInfo.getId());
               result.put("data", streamInfoResult);
               JSONObject result = new JSONObject();
               result.put("key", data.getString("key"));
               StreamInfo streamInfoResult = mediaService.getStreamInfoByAppAndStreamWithCheck("convert", streamId, mediaInfo.getId(), false);
               result.put("StreamInfo", streamInfoResult);
               return result;
            }else {
               throw new ControllerException(ErrorCode.ERROR100.getCode(), "转码失败");
            }
         }else {
            result.put("code", 1);
            result.put("msg", "cover fail");
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "转码失败");
         }
         return new ResponseEntity<String>( result.toJSONString(), HttpStatus.OK);
      }
   }

   /**
    * 结束转码
    * @param key
    * @return
    */
   @ApiOperation("结束转码")
   @ApiImplicitParams({
         @ApiImplicitParam(name = "key", value = "视频流key", dataTypeClass = String.class),
   })
   @Operation(summary = "结束转码", security = @SecurityRequirement(name = JwtUtils.HEADER))
   @Parameter(name = "key", description = "视频流key", required = true)
   @Parameter(name = "mediaServerId", description = "流媒体服务ID", required = true)
   @PostMapping("/convertStop/{key}")
   public ResponseEntity<String> playConvertStop(@PathVariable String key, String mediaServerId) {
      JSONObject result = new JSONObject();
   public void playConvertStop(@PathVariable String key, String mediaServerId) {
      if (mediaServerId == null) {
         result.put("code", 400);
         result.put("msg", "mediaServerId is null");
         return new ResponseEntity<String>( result.toJSONString(), HttpStatus.BAD_REQUEST);
         throw new ControllerException(ErrorCode.ERROR400.getCode(), "流媒体：" + mediaServerId + "不存在" );
      }
      MediaServerItem mediaInfo = mediaServerService.getOne(mediaServerId);
      if (mediaInfo == null) {
         result.put("code", 0);
         result.put("msg", "使用的流媒体已经停止运行");
         return new ResponseEntity<String>( result.toJSONString(), HttpStatus.OK);
         throw new ControllerException(ErrorCode.ERROR100.getCode(), "使用的流媒体已经停止运行" );
      }else {
         JSONObject jsonObject = zlmresTfulUtils.delFFmpegSource(mediaInfo, key);
         logger.info(jsonObject.toJSONString());
         if (jsonObject != null && jsonObject.getInteger("code") == 0) {
            result.put("code", 0);
            JSONObject data = jsonObject.getJSONObject("data");
            if (data != null && data.getBoolean("flag")) {
               result.put("code", "0");
               result.put("msg", "success");
            }else {

            if (data == null || data.getBoolean("flag") == null || !data.getBoolean("flag")) {
               throw new ControllerException(ErrorCode.ERROR100 );
            }
         }else {
            result.put("code", 1);
            result.put("msg", "delFFmpegSource fail");
            throw new ControllerException(ErrorCode.ERROR100 );
         }
         return new ResponseEntity<String>( result.toJSONString(), HttpStatus.OK);
      }
   }

   @Operation(summary = "语音广播命令", security = @SecurityRequirement(name = JwtUtils.HEADER))
   @Parameter(name = "deviceId", description = "设备国标编号", required = true)
   @Parameter(name = "deviceId", description = "通道国标编号", required = true)
   @Parameter(name = "timeout", description = "推流超时时间(秒)", required = true)
   @GetMapping("/broadcast/{deviceId}/{channelId}")
   @PostMapping("/broadcast/{deviceId}/{channelId}")
    public AudioBroadcastResult broadcastApi(@PathVariable String deviceId, @PathVariable String channelId, Integer timeout, Boolean broadcastMode) {
      if (logger.isDebugEnabled()) {
         logger.debug("语音广播API调用");
      }
      Device device = storager.queryVideoDevice(deviceId);
      if (device == null) {
         throw new ControllerException(ErrorCode.ERROR400.getCode(), "未找到设备： " + deviceId);
      }
      if (channelId == null) {
         throw new ControllerException(ErrorCode.ERROR400.getCode(), "未找到通道： " + channelId);
      }

      return playService.audioBroadcast(device, channelId, broadcastMode);

   }

   @ApiOperation("语音广播命令")
   @ApiImplicitParams({
         @ApiImplicitParam(name = "deviceId", value = "设备Id", dataTypeClass = String.class),
   })
    @GetMapping("/broadcast/{deviceId}")
    @PostMapping("/broadcast/{deviceId}")
    public DeferredResult<ResponseEntity<String>> broadcastApi(@PathVariable String deviceId) {
        if (logger.isDebugEnabled()) {
            logger.debug("语音广播API调用");
        }
        Device device = storager.queryVideoDevice(deviceId);
      DeferredResult<ResponseEntity<String>> result = new DeferredResult<ResponseEntity<String>>(3 * 1000L);
        if (device == null) {
         resultHolder.put(DeferredResultHolder.CALLBACK_CMD_BROADCAST + deviceId, result);
         RequestMessage msg = new RequestMessage();
         msg.setId(DeferredResultHolder.CALLBACK_CMD_BROADCAST + deviceId);
         JSONObject json = new JSONObject();
         json.put("DeviceID", deviceId);
         json.put("CmdType", "Broadcast");
         json.put("Result", "Failed");
         json.put("Description", "Device 不存在");
         msg.setData(json);
         resultHolder.invokeResult(msg);
         return result;
   @Operation(summary = "停止语音广播")
   @Parameter(name = "deviceId", description = "设备Id", required = true)
   @Parameter(name = "channelId", description = "通道Id", required = true)
   @GetMapping("/broadcast/stop/{deviceId}/{channelId}")
   @PostMapping("/broadcast/stop/{deviceId}/{channelId}")
   public void stopBroadcast(@PathVariable String deviceId, @PathVariable String channelId) {
      if (logger.isDebugEnabled()) {
         logger.debug("停止语音广播API调用");
      }
      cmder.audioBroadcastCmd(device, (event) -> {
         Response response = event.getResponse();
         RequestMessage msg = new RequestMessage();
         msg.setId(DeferredResultHolder.CALLBACK_CMD_BROADCAST + deviceId);
         JSONObject json = new JSONObject();
         json.put("DeviceID", deviceId);
         json.put("CmdType", "Broadcast");
         json.put("Result", "Failed");
         json.put("Description", String.format("语音广播操作失败，错误码： %s, %s", response.getStatusCode(), response.getReasonPhrase()));
         msg.setData(json);
         resultHolder.invokeResult(msg);
      });

      result.onTimeout(() -> {
         logger.warn(String.format("语音广播操作超时, 设备未返回应答指令"));
         RequestMessage msg = new RequestMessage();
         msg.setId(DeferredResultHolder.CALLBACK_CMD_BROADCAST + deviceId);
         JSONObject json = new JSONObject();
         json.put("DeviceID", deviceId);
         json.put("CmdType", "Broadcast");
         json.put("Result", "Failed");
         json.put("Error", "Timeout. Device did not response to broadcast command.");
         msg.setData(json);
         resultHolder.invokeResult(msg);
      });
      resultHolder.put(DeferredResultHolder.CALLBACK_CMD_BROADCAST + deviceId, result);
      return result;
//      try {
//         playService.stopAudioBroadcast(deviceId, channelId);
//      } catch (InvalidArgumentException | ParseException  | SipException e) {
//         logger.error("[命令发送失败] 停止语音: {}", e.getMessage());
//         throw new ControllerException(ErrorCode.ERROR100.getCode(), "命令发送失败: " +  e.getMessage());
//      }
      playService.stopAudioBroadcast(deviceId, channelId);
   }

   @ApiOperation("获取所有的ssrc")
   @Operation(summary = "获取所有的ssrc", security = @SecurityRequirement(name = JwtUtils.HEADER))
   @GetMapping("/ssrc")
   public WVPResult<JSONObject> getSSRC() {
   public JSONObject getSSRC() {
      if (logger.isDebugEnabled()) {
         logger.debug("获取所有的ssrc");
      }
@@ -315,17 +327,44 @@
         jsonObject.put("deviceId", transaction.getDeviceId());
         jsonObject.put("channelId", transaction.getChannelId());
         jsonObject.put("ssrc", transaction.getSsrc());
         jsonObject.put("streamId", transaction.getStreamId());
         jsonObject.put("streamId", transaction.getStream());
         objects.add(jsonObject);
      }

      WVPResult<JSONObject> result = new WVPResult<>();
      result.setCode(0);
      result.setMsg("success");
      JSONObject jsonObject = new JSONObject();
      jsonObject.put("data", objects);
      jsonObject.put("count", objects.size());
      result.setData(jsonObject);
      return jsonObject;
   }

   @Operation(summary = "获取截图", security = @SecurityRequirement(name = JwtUtils.HEADER))
   @Parameter(name = "deviceId", description = "设备国标编号", required = true)
   @Parameter(name = "channelId", description = "通道国标编号", required = true)
   @Parameter(name = "isSubStream", description = "是否子码流（true-子码流，false-主码流），默认为false", required = true)
   @GetMapping("/snap")
   public DeferredResult<String> getSnap(String deviceId, String channelId,boolean isSubStream) {
      if (logger.isDebugEnabled()) {
         logger.debug("获取截图: {}/{}", deviceId, channelId);
      }

      DeferredResult<String> result = new DeferredResult<>(3 * 1000L);
      String key  = DeferredResultHolder.CALLBACK_CMD_SNAP + deviceId;
      String uuid  = UUID.randomUUID().toString();
      resultHolder.put(key, uuid,  result);

      RequestMessage message = new RequestMessage();
      message.setKey(key);
      message.setId(uuid);

      String fileName = deviceId + "_" + channelId + "_" + DateUtil.getNowForUrl() + ".jpg";
      playService.getSnap(deviceId, channelId, fileName, (code, msg, data) -> {
         if (code == InviteErrorCode.SUCCESS.getCode()) {
            message.setData(data);
         }else {
            message.setData(WVPResult.fail(code, msg));
         }
         resultHolder.invokeResult(message);
      });
      return result;
   }