添加截图（快照）功能

panlinlin

2021-05-08 e48fa711a3664bece9b3e58840a75fe7c05bc47c

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

@@ -19,6 +19,7 @@
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
@@ -31,6 +32,7 @@
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
import org.springframework.web.context.request.async.DeferredResult;

import java.io.FileNotFoundException;
import java.util.UUID;

import javax.sip.message.Response;