添加获取截图接口

src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java

@@ -51,6 +51,8 @@ public class DeferredResultHolder {
 
 	public static final String CALLBACK_CMD_BROADCAST = "CALLBACK_BROADCAST";
 
+	public static final String CALLBACK_CMD_SNAP= "CALLBACK_SNAP";
+
 	private Map<String, Map<String, DeferredResultEx>> map = new ConcurrentHashMap<>();
 
 

src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java

@@ -19,7 +19,7 @@ import com.genersoft.iot.vmp.service.IMediaServerService;
 import com.genersoft.iot.vmp.service.IPlayService;
 import com.genersoft.iot.vmp.service.IStreamProxyService;
 import com.genersoft.iot.vmp.service.IStreamPushService;
-import com.genersoft.iot.vmp.service.bean.InviteErrorCallback;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
 import com.genersoft.iot.vmp.service.bean.InviteErrorCode;
 import com.genersoft.iot.vmp.service.bean.MessageForPushChannel;
 import com.genersoft.iot.vmp.service.bean.SSRCInfo;
@@ -377,7 +377,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
 
                     Long finalStartTime = startTime;
                     Long finalStopTime = stopTime;
-                    InviteErrorCallback<Object> hookEvent = (code, msg, data) -> {
+                    ErrorCallback<Object> hookEvent = (code, msg, data) -> {
                         StreamInfo streamInfo = (StreamInfo)data;
                         MediaServerItem mediaServerItemInUSe = mediaServerService.getOne(streamInfo.getMediaServerId());
                         logger.info("[上级Invite]下级已经开始推流。 回复200OK(SDP)， {}/{}", streamInfo.getApp(), streamInfo.getStream());
@@ -426,7 +426,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
                             logger.error("[命令发送失败] 国标级联 回复SdpAck", e);
                         }
                     };
-                    InviteErrorCallback<Object> errorEvent = ((statusCode, msg, data) -> {
+                    ErrorCallback<Object> errorEvent = ((statusCode, msg, data) -> {
                         // 未知错误。直接转发设备点播的错误
                         try {
                             if (statusCode > 0) {

src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java

@@ -154,7 +154,6 @@ public class ZLMRESTfulUtils {
 
     public void sendGetForImg(MediaServerItem mediaServerItem, String api, Map<String, Object> params, String targetPath, String fileName) {
         String url = String.format("http://%s:%s/index/api/%s", mediaServerItem.getIp(), mediaServerItem.getHttpPort(), api);
-        logger.debug(url);
         HttpUrl parseUrl = HttpUrl.parse(url);
         if (parseUrl == null) {
             return;

src/main/java/com/genersoft/iot/vmp/service/IInviteStreamService.java

@@ -2,7 +2,7 @@ package com.genersoft.iot.vmp.service;
 
 import com.genersoft.iot.vmp.common.InviteInfo;
 import com.genersoft.iot.vmp.common.InviteSessionType;
-import com.genersoft.iot.vmp.service.bean.InviteErrorCallback;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
 
 /**
  * 记录国标点播的状态，包括实时预览，下载，录像回放
@@ -54,7 +54,7 @@ public interface IInviteStreamService {
     /**
      * 添加一个invite回调
      */
-    void once(InviteSessionType type, String deviceId, String channelId, String stream,  InviteErrorCallback<Object> callback);
+    void once(InviteSessionType type, String deviceId, String channelId, String stream,  ErrorCallback<Object> callback);
 
     /**
      * 调用一个invite回调

src/main/java/com/genersoft/iot/vmp/service/IPlayService.java

@@ -4,7 +4,7 @@ import com.genersoft.iot.vmp.common.StreamInfo;
 import com.genersoft.iot.vmp.conf.exception.ServiceException;
 import com.genersoft.iot.vmp.gb28181.bean.Device;
 import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
-import com.genersoft.iot.vmp.service.bean.InviteErrorCallback;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
 import com.genersoft.iot.vmp.service.bean.SSRCInfo;
 
 import javax.sip.InvalidArgumentException;
@@ -17,8 +17,8 @@ import java.text.ParseException;
 public interface IPlayService {
 
     void play(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
-              InviteErrorCallback<Object> callback);
+              ErrorCallback<Object> callback);
-    SSRCInfo play(MediaServerItem mediaServerItem, String deviceId, String channelId, InviteErrorCallback<Object> callback);
+    SSRCInfo play(MediaServerItem mediaServerItem, String deviceId, String channelId, ErrorCallback<Object> callback);
 
     MediaServerItem getNewMediaServerItem(Device device);
 
@@ -27,13 +27,13 @@ public interface IPlayService {
      */
     MediaServerItem getNewMediaServerItemHasAssist(Device device);
 
-    void playBack(String deviceId, String channelId, String startTime, String endTime, InviteErrorCallback<Object> callback);
+    void playBack(String deviceId, String channelId, String startTime, String endTime, ErrorCallback<Object> callback);
-    void playBack(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, InviteErrorCallback<Object> callback);
+    void playBack(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, ErrorCallback<Object> callback);
 
     void zlmServerOffline(String mediaServerId);
 
-    void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, InviteErrorCallback<Object> callback);
+    void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback);
-    void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo,String deviceId,  String channelId, String startTime, String endTime, int downloadSpeed, InviteErrorCallback<Object> callback);
+    void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo,String deviceId,  String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback);
 
     StreamInfo getDownLoadInfo(String deviceId, String channelId, String stream);
 
@@ -42,4 +42,6 @@ public interface IPlayService {
     void pauseRtp(String streamId) throws ServiceException, InvalidArgumentException, ParseException, SipException;
 
     void resumeRtp(String streamId) throws ServiceException, InvalidArgumentException, ParseException, SipException;
+
+    void getSnap(String deviceId, String channelId, String fileName, ErrorCallback errorCallback);
 }

src/main/java/com/genersoft/iot/vmp/service/bean/ErrorCallback.java

@@ -1,6 +1,6 @@
 package com.genersoft.iot.vmp.service.bean;
 
-public interface InviteErrorCallback<T> {
+public interface ErrorCallback<T> {
 
     void run(int code, String msg, T data);
 }

src/main/java/com/genersoft/iot/vmp/service/bean/InviteErrorCode.java

@@ -5,6 +5,7 @@ package com.genersoft.iot.vmp.service.bean;
  */
 public enum InviteErrorCode {
     SUCCESS(0, "成功"),
+    FAIL(-100, "失败"),
     ERROR_FOR_SIGNALLING_TIMEOUT(-1, "信令超时"),
     ERROR_FOR_STREAM_TIMEOUT(-2, "收流超时"),
     ERROR_FOR_RESOURCE_EXHAUSTION(-3, "资源耗尽"),

src/main/java/com/genersoft/iot/vmp/service/impl/InviteStreamServiceImpl.java

@@ -6,7 +6,7 @@ import com.genersoft.iot.vmp.common.InviteSessionStatus;
 import com.genersoft.iot.vmp.common.InviteSessionType;
 import com.genersoft.iot.vmp.common.VideoManagerConstants;
 import com.genersoft.iot.vmp.service.IInviteStreamService;
-import com.genersoft.iot.vmp.service.bean.InviteErrorCallback;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
 import com.genersoft.iot.vmp.utils.redis.RedisUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -24,7 +24,7 @@ public class InviteStreamServiceImpl implements IInviteStreamService {
 
     private final Logger logger = LoggerFactory.getLogger(InviteStreamServiceImpl.class);
 
-    private final Map<String, List<InviteErrorCallback<Object>>> inviteErrorCallbackMap = new ConcurrentHashMap<>();
+    private final Map<String, List<ErrorCallback<Object>>> inviteErrorCallbackMap = new ConcurrentHashMap<>();
 
     @Autowired
     private RedisTemplate<Object, Object> redisTemplate;
@@ -141,9 +141,9 @@ public class InviteStreamServiceImpl implements IInviteStreamService {
     }
 
     @Override
-    public void once(InviteSessionType type, String deviceId, String channelId, String stream, InviteErrorCallback<Object> callback) {
+    public void once(InviteSessionType type, String deviceId, String channelId, String stream, ErrorCallback<Object> callback) {
         String key = buildKey(type, deviceId, channelId, stream);
-        List<InviteErrorCallback<Object>> callbacks = inviteErrorCallbackMap.get(key);
+        List<ErrorCallback<Object>> callbacks = inviteErrorCallbackMap.get(key);
         if (callbacks == null) {
             callbacks = new CopyOnWriteArrayList<>();
             inviteErrorCallbackMap.put(key, callbacks);
@@ -155,11 +155,11 @@ public class InviteStreamServiceImpl implements IInviteStreamService {
     @Override
     public void call(InviteSessionType type, String deviceId, String channelId, String stream, int code, String msg, Object data) {
         String key = buildKey(type, deviceId, channelId, stream);
-        List<InviteErrorCallback<Object>> callbacks = inviteErrorCallbackMap.get(key);
+        List<ErrorCallback<Object>> callbacks = inviteErrorCallbackMap.get(key);
         if (callbacks == null) {
             return;
         }
-        for (InviteErrorCallback<Object> callback : callbacks) {
+        for (ErrorCallback<Object> callback : callbacks) {
             callback.run(code, msg, data);
         }
         inviteErrorCallbackMap.remove(key);

src/main/java/com/genersoft/iot/vmp/service/impl/PlayServiceImpl.java

@@ -26,7 +26,7 @@ import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeFactory;
 import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForStreamChange;
 import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
 import com.genersoft.iot.vmp.service.*;
-import com.genersoft.iot.vmp.service.bean.InviteErrorCallback;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
 import com.genersoft.iot.vmp.service.bean.InviteErrorCode;
 import com.genersoft.iot.vmp.service.bean.SSRCInfo;
 import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
@@ -44,6 +44,7 @@ import javax.sdp.*;
 import javax.sip.InvalidArgumentException;
 import javax.sip.ResponseEvent;
 import javax.sip.SipException;
+import java.io.File;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.text.ParseException;
@@ -114,7 +115,7 @@ public class PlayServiceImpl implements IPlayService {
 
 
     @Override
-    public SSRCInfo play(MediaServerItem mediaServerItem, String deviceId, String channelId, InviteErrorCallback<Object> callback) {
+    public SSRCInfo play(MediaServerItem mediaServerItem, String deviceId, String channelId, ErrorCallback<Object> callback) {
         if (mediaServerItem == null) {
             throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到可用的zlm");
         }
@@ -179,7 +180,7 @@ public class PlayServiceImpl implements IPlayService {
 
     @Override
     public void play(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
-                     InviteErrorCallback<Object> callback) {
+                     ErrorCallback<Object> callback) {
 
         if (mediaServerItem == null || ssrcInfo == null) {
             callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
@@ -522,7 +523,7 @@ public class PlayServiceImpl implements IPlayService {
 
     @Override
     public void playBack(String deviceId, String channelId, String startTime,
-                                                          String endTime, InviteErrorCallback<Object> callback) {
+                                                          String endTime, ErrorCallback<Object> callback) {
         Device device = storager.queryVideoDevice(deviceId);
         if (device == null) {
             return;
@@ -535,7 +536,7 @@ public class PlayServiceImpl implements IPlayService {
     @Override
     public void playBack(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo,
                                                           String deviceId, String channelId, String startTime,
-                                                          String endTime, InviteErrorCallback<Object> callback) {
+                                                          String endTime, ErrorCallback<Object> callback) {
         if (mediaServerItem == null || ssrcInfo == null) {
             callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                     InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(),
@@ -725,7 +726,7 @@ public class PlayServiceImpl implements IPlayService {
 
 
     @Override
-    public void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, InviteErrorCallback<Object> callback) {
+    public void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback) {
         Device device = storager.queryVideoDevice(deviceId);
         if (device == null) {
             return;
@@ -743,7 +744,7 @@ public class PlayServiceImpl implements IPlayService {
 
 
     @Override
-    public void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, InviteErrorCallback<Object> callback) {
+    public void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback) {
         if (mediaServerItem == null || ssrcInfo == null) {
             callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                     InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(),
@@ -1127,4 +1128,53 @@ public class PlayServiceImpl implements IPlayService {
         Device device = storager.queryVideoDevice(inviteInfo.getDeviceId());
         cmder.playResumeCmd(device, inviteInfo.getStreamInfo());
     }
+
+    @Override
+    public void getSnap(String deviceId, String channelId, String fileName, ErrorCallback errorCallback) {
+        Device device = deviceService.getDevice(deviceId);
+        if (device == null) {
+            errorCallback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(), InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(), null);
+            return;
+        }
+
+        InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
+        if (inviteInfo != null) {
+            if (inviteInfo.getStreamInfo() != null) {
+                // 已存在线直接截图
+                MediaServerItem mediaServerItemInuse = mediaServerService.getOne(inviteInfo.getStreamInfo().getMediaServerId());
+                String streamUrl;
+                if (mediaServerItemInuse.getRtspPort() != 0) {
+                    streamUrl = String.format("rtsp://127.0.0.1:%s/%s/%s", mediaServerItemInuse.getRtspPort(), "rtp",  inviteInfo.getStreamInfo().getStream());
+                }else {
+                    streamUrl = String.format("http://127.0.0.1:%s/%s/%s.live.mp4", mediaServerItemInuse.getHttpPort(), "rtp",  inviteInfo.getStreamInfo().getStream());
+                }
+                String path = "snap";
+                // 请求截图
+                logger.info("[请求截图]: " + fileName);
+                zlmresTfulUtils.getSnap(mediaServerItemInuse, streamUrl, 15, 1, path, fileName);
+                File snapFile = new File(path + File.separator + fileName);
+                if (snapFile.exists()) {
+                    errorCallback.run(InviteErrorCode.SUCCESS.getCode(), InviteErrorCode.SUCCESS.getMsg(), snapFile.getAbsoluteFile());
+                }else {
+                    errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
+                }
+                return;
+            }
+        }
+
+        MediaServerItem newMediaServerItem = getNewMediaServerItem(device);
+        play(newMediaServerItem, deviceId, channelId, (code, msg, data)->{
+           if (code == InviteErrorCode.SUCCESS.getCode()) {
+               InviteInfo inviteInfoForPlay = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
+               if (inviteInfoForPlay != null && inviteInfoForPlay.getStreamInfo() != null) {
+                   getSnap(deviceId, channelId, fileName, errorCallback);
+               }else {
+                   errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
+               }
+           }else {
+               errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
+           }
+        });
+    }
+
 }

src/main/java/com/genersoft/iot/vmp/utils/DateUtil.java

@@ -32,11 +32,17 @@ public class DateUtil {
      */
     public static final String PATTERN = "yyyy-MM-dd HH:mm:ss";
 
+    /**
+     * wvp内部统一时间格式
+     */
+    public static final String URL_PATTERN = "yyyyMMddHHmmss";
+
     public static final String zoneStr = "Asia/Shanghai";
 
     public static final DateTimeFormatter formatterCompatibleISO8601 = DateTimeFormatter.ofPattern(ISO8601_COMPATIBLE_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
     public static final DateTimeFormatter formatterISO8601 = DateTimeFormatter.ofPattern(ISO8601_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
     public static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern(PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
+    public static final DateTimeFormatter urlFormatter = DateTimeFormatter.ofPattern(URL_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
 
 	public static String yyyy_MM_dd_HH_mm_ssToISO8601(String formatTime) {
 
@@ -67,6 +73,15 @@ public class DateUtil {
         return formatter.format(nowDateTime);
     }
 
+    /**
+     * 获取当前时间
+     * @return
+     */
+    public static String getNowForUrl() {
+        LocalDateTime nowDateTime = LocalDateTime.now();
+        return urlFormatter.format(nowDateTime);
+    }
+
     /**
      * 格式校验
      * @param timeStr 时间字符串

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

@@ -24,6 +24,7 @@ import com.genersoft.iot.vmp.service.IPlayService;
 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.ErrorCode;
 import com.genersoft.iot.vmp.vmanager.bean.StreamContent;
 import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
@@ -337,5 +338,35 @@ public class PlayController {
 		return jsonObject;
 	}
 
+	@Operation(summary = "获取截图")
+	@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 (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;
+	}
+
 }