完善ssrc符合国标，并完善很多小问题

src/main/java/com/genersoft/iot/vmp/vmanager/device/DeviceController.java

@@ -1,8 +1,6 @@
 package com.genersoft.iot.vmp.vmanager.device;
 
 import java.util.List;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

src/main/java/com/genersoft/iot/vmp/vmanager/playback/PlaybackController.java

@@ -0,0 +1,47 @@
+package com.genersoft.iot.vmp.vmanager.playback;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+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 com.genersoft.iot.vmp.gb28181.bean.Device;
+import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
+import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
+
+@RestController
+@RequestMapping("/api")
+public class PlaybackController {
+	
+	private final static Logger logger = LoggerFactory.getLogger(PlaybackController.class);
+	
+	@Autowired
+	private SIPCommander cmder;
+	
+	@Autowired
+	private IVideoManagerStorager storager;
+	
+	@GetMapping("/playback/{deviceId}/{channelId}")
+	public ResponseEntity<String> play(@PathVariable String deviceId,@PathVariable String channelId, String startTime,  String endTime){
+		
+		Device device = storager.queryVideoDevice(deviceId);
+		String ssrc = cmder.playStreamCmd(device, channelId);
+		
+		if (logger.isDebugEnabled()) {
+			logger.debug(String.format("设备预览 API调用，deviceId：%s ，channelId：%s",deviceId, channelId));
+			logger.debug("设备预览 API调用，ssrc："+ssrc+",ZLMedia streamId:"+Integer.toHexString(Integer.parseInt(ssrc)));
+		}
+		
+		if(ssrc!=null) {
+			return new ResponseEntity<String>(ssrc,HttpStatus.OK);
+		} else {
+			logger.warn("设备预览API调用失败！");
+			return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
+		}
+	}
+}

src/main/java/com/genersoft/iot/vmp/vmanager/ptz/PtzController.java

@@ -5,8 +5,8 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -37,7 +37,7 @@ public class PtzController {
 	 * @param zoomSpeed
 	 * @return
 	 */
-	@GetMapping("/ptz/{deviceId}_{channelId}")
+	@PostMapping("/ptz/{deviceId}/{channelId}")
 	public ResponseEntity<String> ptz(@PathVariable String deviceId,@PathVariable String channelId,int leftRight, int upDown, int inOut, int moveSpeed, int zoomSpeed){
 		
 		if (logger.isDebugEnabled()) {

src/main/java/com/genersoft/iot/vmp/vmanager/record/RecordController.java

@@ -31,17 +31,18 @@ public class RecordController {
 	@Autowired
 	private DeferredResultHolder resultHolder;
 	
-	@GetMapping("/recordinfo/{deviceId}")
-	public DeferredResult<ResponseEntity<RecordInfo>> recordinfo(@PathVariable String deviceId, String startTime,  String endTime){
+	@GetMapping("/record/{deviceId}")
+	public DeferredResult<ResponseEntity<RecordInfo>> recordinfo(@PathVariable String deviceId, String channelId, String startTime,  String endTime){
 		
 		if (logger.isDebugEnabled()) {
 			logger.debug(String.format("录像信息 API调用，deviceId：%s ，startTime：%s， startTime：%s",deviceId, startTime, endTime));
 		}
 		
 		Device device = storager.queryVideoDevice(deviceId);
-		cmder.recordInfoQuery(device, startTime, endTime);
+		cmder.recordInfoQuery(device, channelId, startTime, endTime);
 		DeferredResult<ResponseEntity<RecordInfo>> result = new DeferredResult<ResponseEntity<RecordInfo>>();
-		resultHolder.put(DeferredResultHolder.CALLBACK_CMD_CATALOG+deviceId, result);
+		// 录像查询以channelId作为deviceId查询
+		resultHolder.put(DeferredResultHolder.CALLBACK_CMD_RECORDINFO+channelId, result);
         return result;
 	}
 }