content: package com.genersoft.iot.vmp.gb28181.controller;
  
  import com.alibaba.fastjson2.JSONArray;
  import com.alibaba.fastjson2.JSONObject;
  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.security.JwtUtils;
  import com.genersoft.iot.vmp.gb28181.bean.Device;
  import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
  import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
  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.session.SipInviteSessionManager;
  import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
  import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
  import com.genersoft.iot.vmp.media.bean.MediaServer;
  import com.genersoft.iot.vmp.media.service.IMediaServerService;
  import com.genersoft.iot.vmp.service.bean.ErrorCallback;
  import com.genersoft.iot.vmp.service.bean.InviteErrorCode;
  import com.genersoft.iot.vmp.utils.DateUtil;
  import com.genersoft.iot.vmp.vmanager.bean.AudioBroadcastResult;
  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.*;
  import org.springframework.web.context.request.async.DeferredResult;
  
  import javax.servlet.http.HttpServletRequest;
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.util.List;
  import java.util.UUID;
  
  
  /**
   * @author lin
   */
  @Tag(name  = "国标设备点播")
  @Slf4j
  @RestController
  @RequestMapping("/api/play")
  public class PlayController {
  
  	@Autowired
  	private SipInviteSessionManager sessionManager;
  
  	@Autowired
  	private IInviteStreamService inviteStreamService;
  
  	@Autowired
  	private DeferredResultHolder resultHolder;
  
  	@Autowired
  	private IPlayService playService;
  
  	@Autowired
  	private IMediaServerService mediaServerService;
  
  	@Autowired
  	private UserSetting userSetting;
  
  	@Autowired
  	private IDeviceService deviceService;
  
  	@Autowired
  	private IDeviceChannelService deviceChannelService;
  
  	@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) {
  
  		log.info("[开始点播] deviceId：{}, channelId：{}, ", deviceId, channelId);
  		Assert.notNull(deviceId, "设备国标编号不可为NULL");
  		Assert.notNull(channelId, "通道国标编号不可为NULL");
  		// 获取可用的zlm
  		Device device = deviceService.getDeviceByDeviceId(deviceId);
  		Assert.notNull(deviceId, "设备不存在");
  		DeviceChannel channel = deviceChannelService.getOne(deviceId, channelId);
  		Assert.notNull(channel, "通道不存在");
  
  		DeferredResult<WVPResult<StreamContent>> result = new DeferredResult<>(userSetting.getPlayTimeout().longValue());
  
  		result.onTimeout(()->{
  			log.info("[点播等待超时] deviceId：{}, channelId：{}, ", deviceId, channelId);
  			// 释放rtpserver
  			WVPResult<StreamContent> wvpResult = new WVPResult<>();
  			wvpResult.setCode(ErrorCode.ERROR100.getCode());
  			wvpResult.setMsg("点播超时");
  			result.setResult(wvpResult);
  
  			inviteStreamService.removeInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, channel.getId());
  			deviceChannelService.stopPlay(channel.getId());
  		});
  
  		ErrorCallback<StreamInfo> callback  = (code, msg, streamInfo) -> {
  			WVPResult<StreamContent> wvpResult = new WVPResult<>();
  			if (code == InviteErrorCode.SUCCESS.getCode()) {
  				wvpResult.setCode(ErrorCode.SUCCESS.getCode());
  				wvpResult.setMsg(ErrorCode.SUCCESS.getMsg());
  
  				if (streamInfo != null) {
  					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);
  					}
  					if (!ObjectUtils.isEmpty(streamInfo.getMediaServer().getTranscodeSuffix()) && !"null".equalsIgnoreCase(streamInfo.getMediaServer().getTranscodeSuffix())) {
  						streamInfo.setStream(streamInfo.getStream() + "_" + streamInfo.getMediaServer().getTranscodeSuffix());
  					}
  					wvpResult.setData(new StreamContent(streamInfo));
  				}else {
  					wvpResult.setCode(code);
  					wvpResult.setMsg(msg);
  				}
  			}else {
  				wvpResult.setCode(code);
  				wvpResult.setMsg(msg);
  			}
  			result.setResult(wvpResult);
  		};
  		playService.play(device, channel, callback);
  		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)
  	@GetMapping("/stop/{deviceId}/{channelId}")
  	public JSONObject playStop(@PathVariable String deviceId, @PathVariable String channelId) {
  
  		log.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 = deviceService.getDeviceByDeviceId(deviceId);
  		DeviceChannel channel = deviceChannelService.getOneForSource(deviceId, channelId);
  		Assert.notNull(device, "设备不存在");
  		Assert.notNull(channel, "通道不存在");
  		String streamId = String.format("%s_%s", device.getDeviceId(), channel.getDeviceId());
  		playService.stop(InviteSessionType.PLAY, device, channel, streamId);
  		JSONObject json = new JSONObject();
  		json.put("deviceId", deviceId);
  		json.put("channelId", channelId);
  		return json;
  	}
  	/**
  	 * 结束转码
  	 */
  	@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 void playConvertStop(@PathVariable String key, String mediaServerId) {
  		if (mediaServerId == null) {
  			throw new ControllerException(ErrorCode.ERROR400.getCode(), "流媒体：" + mediaServerId + "不存在" );
  		}
  		MediaServer mediaInfo = mediaServerService.getOne(mediaServerId);
  		if (mediaInfo == null) {
  			throw new ControllerException(ErrorCode.ERROR100.getCode(), "使用的流媒体已经停止运行" );
  		}else {
  			Boolean deleted = mediaServerService.delFFmpegSource(mediaInfo, key);
  			if (!deleted) {
  				throw new ControllerException(ErrorCode.ERROR100 );
  			}
  		}
  	}
  
  	@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 (log.isDebugEnabled()) {
  			log.debug("语音广播API调用");
  		}
  
  		return playService.audioBroadcast(deviceId, channelId, broadcastMode);
  
  	}
  
  	@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 (log.isDebugEnabled()) {
  			log.debug("停止语音广播API调用");
  		}
  		Device device = deviceService.getDeviceByDeviceId(deviceId);
  		Assert.notNull(device, "设备不存在");
  		DeviceChannel channel = deviceChannelService.getOne(deviceId, channelId);
  		Assert.notNull(channel, "通道不存在");
  		playService.stopAudioBroadcast(device, channel);
  	}
  
  	@Operation(summary = "获取所有的ssrc", security = @SecurityRequirement(name = JwtUtils.HEADER))
  	@GetMapping("/ssrc")
  	public JSONObject getSSRC() {
  		if (log.isDebugEnabled()) {
  			log.debug("获取所有的ssrc");
  		}
  		JSONArray objects = new JSONArray();
  		List<SsrcTransaction> allSsrc = sessionManager.getAll();
  		for (SsrcTransaction transaction : allSsrc) {
  			JSONObject jsonObject = new JSONObject();
  			jsonObject.put("deviceId", transaction.getDeviceId());
  			jsonObject.put("channelId", transaction.getChannelId());
  			jsonObject.put("ssrc", transaction.getSsrc());
  			jsonObject.put("streamId", transaction.getStream());
  			objects.add(jsonObject);
  		}
  
  		JSONObject jsonObject = new JSONObject();
  		jsonObject.put("data", objects);
  		jsonObject.put("count", objects.size());
  		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)
  	@GetMapping("/snap")
  	public DeferredResult<String> getSnap(String deviceId, String channelId) {
  		if (log.isDebugEnabled()) {
  			log.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;
  	}
  
  }
  
  