content: package com.genersoft.iot.vmp.gb28181.controller;
  
  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.ServiceException;
  import com.genersoft.iot.vmp.conf.security.JwtUtils;
  import com.genersoft.iot.vmp.gb28181.bean.Device;
  import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
  import com.genersoft.iot.vmp.gb28181.service.IDeviceChannelService;
  import com.genersoft.iot.vmp.gb28181.service.IDeviceService;
  import com.genersoft.iot.vmp.gb28181.service.IInviteStreamService;
  import com.genersoft.iot.vmp.gb28181.service.IPlayService;
  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.service.bean.InviteErrorCode;
  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 lombok.extern.slf4j.Slf4j;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.util.Assert;
  import org.springframework.util.ObjectUtils;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  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.UUID;
  
  /**
   * @author lin
   */
  @Tag(name = "视频回放")
  @Slf4j
  @RestController
  @RequestMapping("/api/playback")
  public class PlaybackController {
  
  	@Autowired
  	private SIPCommander cmder;
  
  	@Autowired
  	private IInviteStreamService inviteStreamService;
  
  	@Autowired
  	private IPlayService playService;
  
  	@Autowired
  	private DeferredResultHolder resultHolder;
  
  	@Autowired
  	private UserSetting userSetting;
  
  	@Autowired
  	private IDeviceService deviceService;
  
  	@Autowired
  	private IDeviceChannelService channelService;
  
  	@Operation(summary = "开始视频回放", 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 = "startTime", description = "开始时间", required = true)
  	@Parameter(name = "endTime", description = "结束时间", required = true)
  	@GetMapping("/start/{deviceId}/{channelId}")
  	public DeferredResult<WVPResult<StreamContent>> start(HttpServletRequest request, @PathVariable String deviceId, @PathVariable String channelId,
  														  String startTime, String endTime) {
  
  		if (log.isDebugEnabled()) {
  			log.debug(String.format("设备回放 API调用，deviceId：%s ，channelId：%s", deviceId, channelId));
  		}
  
  		String uuid = UUID.randomUUID().toString();
  		String key = DeferredResultHolder.CALLBACK_CMD_PLAYBACK + deviceId + channelId;
  		DeferredResult<WVPResult<StreamContent>> result = new DeferredResult<>(userSetting.getPlayTimeout().longValue());
  		resultHolder.put(key, uuid, result);
  
  		RequestMessage requestMessage = new RequestMessage();
  		requestMessage.setKey(key);
  		requestMessage.setId(uuid);
  		Device device = deviceService.getDeviceByDeviceId(deviceId);
  		if (device == null) {
  			log.warn("[录像回放] 未找到设备 deviceId: {},channelId:{}", deviceId, channelId);
  			throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到设备：" + deviceId);
  		}
  
  		DeviceChannel channel = channelService.getOne(deviceId, channelId);
  		if (channel == null) {
  			log.warn("[录像回放] 未找到通道 deviceId: {},channelId:{}", deviceId, channelId);
  			throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到通道：" + channelId);
  		}
  		playService.playBack(device, channel, startTime, endTime,
  				(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.changeStreamIp(host);
  							}
  							wvpResult.setData(new StreamContent(streamInfo));
  						}
  					}else {
  						wvpResult.setCode(code);
  						wvpResult.setMsg(msg);
  					}
  					requestMessage.setData(wvpResult);
  					resultHolder.invokeResult(requestMessage);
  				});
  
  		return result;
  	}
  
  
  	@Operation(summary = "停止视频回放", 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 = "stream", description = "流ID", required = true)
  	@GetMapping("/stop/{deviceId}/{channelId}/{stream}")
  	public void playStop(
  			@PathVariable String deviceId,
  			@PathVariable String channelId,
  			@PathVariable String stream) {
  		if (ObjectUtils.isEmpty(deviceId) || ObjectUtils.isEmpty(channelId) || ObjectUtils.isEmpty(stream)) {
  			throw new ControllerException(ErrorCode.ERROR400);
  		}
  		Device device = deviceService.getDeviceByDeviceId(deviceId);
  		if (device == null) {
  			throw new ControllerException(ErrorCode.ERROR400.getCode(), "设备：" + deviceId + " 未找到");
  		}
  		DeviceChannel deviceChannel = channelService.getOneForSource(deviceId, channelId);
  		if (deviceChannel == null) {
  			throw new ControllerException(ErrorCode.ERROR400.getCode(), "通道：" + channelId + " 未找到");
  		}
  		playService.stop(InviteSessionType.PLAYBACK, device, deviceChannel, stream);
  	}
  
  
  	@Operation(summary = "回放暂停", security = @SecurityRequirement(name = JwtUtils.HEADER))
  	@Parameter(name = "streamId", description = "回放流ID", required = true)
  	@GetMapping("/pause/{streamId}")
  	public void playbackPause(@PathVariable String streamId) {
  		log.info("[回放暂停] streamId: {}", streamId);
  		try {
  			playService.playbackPause(streamId);
  		} catch (ServiceException e) {
  			throw new ControllerException(ErrorCode.ERROR400.getCode(), e.getMessage());
  		} catch (InvalidArgumentException | ParseException | SipException e) {
  			throw new ControllerException(ErrorCode.ERROR100.getCode(), e.getMessage());
  		}
  	}
  
  
  	@Operation(summary = "回放恢复", security = @SecurityRequirement(name = JwtUtils.HEADER))
  	@Parameter(name = "streamId", description = "回放流ID", required = true)
  	@GetMapping("/resume/{streamId}")
  	public void playResume(@PathVariable String streamId) {
  		log.info("playResume: "+streamId);
  		try {
  			playService.playbackResume(streamId);
  		} catch (ServiceException e) {
  			throw new ControllerException(ErrorCode.ERROR400.getCode(), e.getMessage());
  		} catch (InvalidArgumentException | ParseException | SipException e) {
  			throw new ControllerException(ErrorCode.ERROR100.getCode(), e.getMessage());
  		}
  	}
  
  	@Operation(summary = "回放拖动播放", security = @SecurityRequirement(name = JwtUtils.HEADER))
  	@Parameter(name = "streamId", description = "回放流ID", required = true)
  	@Parameter(name = "seekTime", description = "拖动偏移量，单位s", required = true)
  	@GetMapping("/seek/{streamId}/{seekTime}")
  	public void playbackSeek(@PathVariable String streamId, @PathVariable long seekTime) {
  		log.info("playSeek: "+streamId+", "+seekTime);
  		try {
  			playService.playbackSeek(streamId, seekTime);
  		} catch (InvalidArgumentException | ParseException | SipException e) {
  			throw new ControllerException(ErrorCode.ERROR100.getCode(), e.getMessage());
  		}
  	}
  
  	@Operation(summary = "回放倍速播放", security = @SecurityRequirement(name = JwtUtils.HEADER))
  	@Parameter(name = "streamId", description = "回放流ID", required = true)
  	@Parameter(name = "speed", description = "倍速0.25 0.5 1、2、4、8", required = true)
  	@GetMapping("/speed/{streamId}/{speed}")
  	public void playSpeed(@PathVariable String streamId, @PathVariable Double speed) {
  		Assert.notNull(speed, "倍速不存在");
  		log.info("playSpeed: "+streamId+", "+speed);
  		try {
  			playService.playbackSpeed(streamId, speed);
  		} catch (InvalidArgumentException | ParseException | SipException e) {
  			throw new ControllerException(ErrorCode.ERROR100.getCode(), e.getMessage());
  		}
  	}
  }
  