package com.genersoft.iot.vmp.vmanager.gb28181.playback;
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import com.genersoft.iot.vmp.common.StreamInfo;
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import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
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import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
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import com.genersoft.iot.vmp.service.IMediaServerService;
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import com.genersoft.iot.vmp.service.bean.SSRCInfo;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.service.IPlayService;
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import io.swagger.annotations.Api;
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import io.swagger.annotations.ApiImplicitParam;
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import io.swagger.annotations.ApiImplicitParams;
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import io.swagger.annotations.ApiOperation;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.CrossOrigin;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import com.alibaba.fastjson.JSONObject;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
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import org.springframework.web.context.request.async.DeferredResult;
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import javax.sip.message.Response;
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import java.util.UUID;
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@Api(tags = "历史媒体下载")
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@CrossOrigin
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@RestController
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@RequestMapping("/api/download")
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public class DownloadController {
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private final static Logger logger = LoggerFactory.getLogger(DownloadController.class);
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@Autowired
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private SIPCommander cmder;
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@Autowired
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private IVideoManagerStorager storager;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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// @Autowired
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// private ZLMRESTfulUtils zlmresTfulUtils;
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@Autowired
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private IPlayService playService;
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@Autowired
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private DeferredResultHolder resultHolder;
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@Autowired
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private IMediaServerService mediaServerService;
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@ApiOperation("开始历史媒体下载")
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@ApiImplicitParams({
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@ApiImplicitParam(name = "deviceId", value = "设备ID", dataTypeClass = String.class),
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@ApiImplicitParam(name = "channelId", value = "通道ID", dataTypeClass = String.class),
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@ApiImplicitParam(name = "startTime", value = "开始时间", dataTypeClass = String.class),
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@ApiImplicitParam(name = "endTime", value = "结束时间", dataTypeClass = String.class),
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@ApiImplicitParam(name = "downloadSpeed", value = "下载倍速", dataTypeClass = String.class),
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})
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@GetMapping("/start/{deviceId}/{channelId}")
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public DeferredResult<ResponseEntity<String>> play(@PathVariable String deviceId, @PathVariable String channelId,
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String startTime, String endTime, String downloadSpeed) {
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if (logger.isDebugEnabled()) {
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logger.debug(String.format("历史媒体下载 API调用，deviceId：%s，channelId：%s，downloadSpeed：%s", deviceId, channelId, downloadSpeed));
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}
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String key = DeferredResultHolder.CALLBACK_CMD_PLAY + deviceId + channelId + startTime + endTime;
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String uuid = UUID.randomUUID().toString();
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DeferredResult<ResponseEntity<String>> result = new DeferredResult<ResponseEntity<String>>(30000L);
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// 超时处理
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result.onTimeout(()->{
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logger.warn(String.format("设备下载响应超时，deviceId：%s ，channelId：%s", deviceId, channelId));
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RequestMessage msg = new RequestMessage();
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msg.setId(uuid);
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msg.setKey(key);
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msg.setData("Timeout");
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resultHolder.invokeAllResult(msg);
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});
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resultHolder.put(key, uuid, result);
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if(resultHolder.exist(key, null)) {
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return result;
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}
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Device device = storager.queryVideoDevice(deviceId);
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StreamInfo streamInfo = redisCatchStorage.queryPlaybackByDevice(deviceId, channelId);
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if (streamInfo != null) {
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// 停止之前的下载
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cmder.streamByeCmd(deviceId, channelId);
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}
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MediaServerItem newMediaServerItem = playService.getNewMediaServerItem(device);
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if (newMediaServerItem == null) {
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logger.warn(String.format("设备下载响应超时，deviceId：%s ，channelId：%s", deviceId, channelId));
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RequestMessage msg = new RequestMessage();
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msg.setId(uuid);
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msg.setKey(key);
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msg.setData("Timeout");
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resultHolder.invokeAllResult(msg);
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return result;
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}
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SSRCInfo ssrcInfo = mediaServerService.openRTPServer(newMediaServerItem, null, true);
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cmder.downloadStreamCmd(newMediaServerItem, ssrcInfo, device, channelId, startTime, endTime, downloadSpeed, (MediaServerItem mediaServerItem, JSONObject response) -> {
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logger.info("收到订阅消息： " + response.toJSONString());
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playService.onPublishHandlerForPlayBack(mediaServerItem, response, deviceId, channelId, uuid.toString());
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}, event -> {
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Response response = event.getResponse();
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RequestMessage msg = new RequestMessage();
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msg.setId(uuid);
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msg.setKey(key);
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msg.setData(String.format("回放失败， 错误码： %s, %s", response.getStatusCode(), response.getReasonPhrase()));
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resultHolder.invokeAllResult(msg);
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});
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return result;
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}
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@ApiOperation("停止历史媒体下载")
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@ApiImplicitParams({
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@ApiImplicitParam(name = "deviceId", value = "设备ID", dataTypeClass = String.class),
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@ApiImplicitParam(name = "channelId", value = "通道ID", dataTypeClass = String.class),
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})
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@GetMapping("/stop/{deviceId}/{channelId}")
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public ResponseEntity<String> playStop(@PathVariable String deviceId, @PathVariable String channelId) {
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cmder.streamByeCmd(deviceId, channelId);
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if (logger.isDebugEnabled()) {
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logger.debug(String.format("设备历史媒体下载停止 API调用，deviceId/channelId：%s_%s", deviceId, channelId));
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}
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if (deviceId != null && channelId != null) {
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JSONObject json = new JSONObject();
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json.put("deviceId", deviceId);
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json.put("channelId", channelId);
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return new ResponseEntity<String>(json.toString(), HttpStatus.OK);
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} else {
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logger.warn("设备历史媒体下载停止API调用失败！");
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return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
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}
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}
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}
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