From 2eb1ca2d94a09c2d3ced69de28de72d2d6d77d8e Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期四, 03 三月 2022 15:57:28 +0800
Subject: [PATCH] 国标录像支持多端同时播放

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java |  277 ++++++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 222 insertions(+), 55 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
index 0d36d52..734fe23 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
@@ -1,20 +1,18 @@
 package com.genersoft.iot.vmp.gb28181.transmit.cmd.impl;
 
-import java.lang.reflect.Field;
-import java.text.ParseException;
-import java.util.HashSet;
-
-import javax.sip.*;
-import javax.sip.address.SipURI;
-import javax.sip.header.CallIdHeader;
-import javax.sip.header.ViaHeader;
-import javax.sip.message.Request;
-
 import com.alibaba.fastjson.JSONObject;
+import com.genersoft.iot.vmp.common.StreamInfo;
+import com.genersoft.iot.vmp.conf.SipConfig;
 import com.genersoft.iot.vmp.conf.UserSetup;
+import com.genersoft.iot.vmp.gb28181.bean.Device;
 import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
-import com.genersoft.iot.vmp.media.zlm.*;
 import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
+import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
+import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
+import com.genersoft.iot.vmp.gb28181.transmit.cmd.SIPRequestHeaderProvider;
+import com.genersoft.iot.vmp.gb28181.utils.DateUtil;
+import com.genersoft.iot.vmp.gb28181.utils.NumericUtil;
+import com.genersoft.iot.vmp.media.zlm.ZLMHttpHookSubscribe;
 import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
 import com.genersoft.iot.vmp.service.IMediaServerService;
 import com.genersoft.iot.vmp.service.bean.SSRCInfo;
@@ -29,20 +27,20 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.context.annotation.DependsOn;
-import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Component;
-
-import com.genersoft.iot.vmp.conf.SipConfig;
-import com.genersoft.iot.vmp.gb28181.bean.Device;
-import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
-import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
-import com.genersoft.iot.vmp.gb28181.transmit.cmd.SIPRequestHeaderProvider;
-import com.genersoft.iot.vmp.gb28181.utils.DateUtil;
-import com.genersoft.iot.vmp.gb28181.utils.NumericUtil;
 import org.springframework.util.StringUtils;
 
+import javax.sip.*;
+import javax.sip.address.SipURI;
+import javax.sip.header.CallIdHeader;
+import javax.sip.header.ViaHeader;
+import javax.sip.message.Request;
+import java.lang.reflect.Field;
+import java.text.ParseException;
+import java.util.HashSet;
+
 /**    
- * @Description:璁惧鑳藉姏鎺ュ彛锛岀敤浜庡畾涔夎澶囩殑鎺у埗銆佹煡璇㈣兘鍔�   
+ * @description:璁惧鑳藉姏鎺ュ彛锛岀敤浜庡畾涔夎澶囩殑鎺у埗銆佹煡璇㈣兘鍔�   
  * @author: swwheihei
  * @date:   2020骞�5鏈�3鏃� 涓嬪崍9:22:48     
  */
@@ -55,12 +53,10 @@
 	@Autowired
 	private SipConfig sipConfig;
 
-	@Lazy
 	@Autowired
 	@Qualifier(value="tcpSipProvider")
 	private SipProviderImpl tcpSipProvider;
 
-	@Lazy
 	@Autowired
 	@Qualifier(value="udpSipProvider")
 	private SipProviderImpl udpSipProvider;
@@ -89,11 +85,6 @@
 	@Autowired
 	private IMediaServerService mediaServerService;
 
-	private SIPDialog dialog;
-
-	public SipConfig getSipConfig() {
-		return sipConfig;
-	}
 
 	/**
 	 * 浜戝彴鏂瑰悜鏀炬帶鍒讹紝浣跨敤閰嶇疆鏂囦欢涓殑榛樿闀滃ご绉诲姩閫熷害
@@ -271,7 +262,7 @@
 	public boolean frontEndCmd(Device device, String channelId, int cmdCode, int parameter1, int parameter2, int combineCode2) {
 		try {
 			String cmdStr= frontEndCmdString(cmdCode, parameter1, parameter2, combineCode2);
-			logger.info("鎺у埗瀛楃涓诧細" + cmdStr);
+			logger.debug("鎺у埗瀛楃涓诧細" + cmdStr);
 			StringBuffer ptzXml = new StringBuffer(200);
 			ptzXml.append("<?xml version=\"1.0\" ?>\r\n");
 			ptzXml.append("<Control>\r\n");
@@ -340,7 +331,7 @@
 	  */
 	@Override
 	public void playStreamCmd(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId, ZLMHttpHookSubscribe.Event event, SipSubscribe.Event errorEvent) {
-		String streamId = ssrcInfo.getStreamId();
+		String streamId = ssrcInfo.getStream();
 		try {
 			if (device == null) return;
 			String streamMode = device.getStreamMode().toUpperCase();
@@ -413,6 +404,8 @@
 			}
 
 			content.append("y="+ssrcInfo.getSsrc()+"\r\n");//ssrc
+			// f瀛楁:f= v/缂栫爜鏍煎紡/鍒嗚鲸鐜�/甯х巼/鐮佺巼绫诲瀷/鐮佺巼澶у皬a/缂栫爜鏍煎紡/鐮佺巼澶у皬/閲囨牱鐜�
+//			content.append("f=v/2/5/25/1/4000a/1/8/1" + "\r\n"); // 鏈彂鐜版敮鎸佹鐗规�х殑璁惧
 
 			String tm = Long.toString(System.currentTimeMillis());
 
@@ -421,14 +414,14 @@
 
 			Request request = headerProvider.createInviteRequest(device, channelId, content.toString(), null, "FromInvt" + tm, null, ssrcInfo.getSsrc(), callIdHeader);
 
-			String finalStreamId = streamId;
 			transmitRequest(device, request, (e -> {
-				streamSession.remove(device.getDeviceId(), channelId);
+				streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
 				mediaServerService.releaseSsrc(mediaServerItem, ssrcInfo.getSsrc());
 				errorEvent.response(e);
 			}), e ->{
-				streamSession.put(device.getDeviceId(), channelId ,ssrcInfo.getSsrc(), finalStreamId, mediaServerItem.getId(), ((ResponseEvent)e.event).getClientTransaction());
-				streamSession.put(device.getDeviceId(), channelId , e.dialog);
+				// 杩欓噷涓轰緥閬垮厤涓�涓�氶亾鐨勭偣鎾彧鏈変竴涓猚allID杩欎釜鍙傛暟浣跨敤涓�涓浐瀹氬��
+				streamSession.put(device.getDeviceId(), channelId ,"play", streamId, ssrcInfo.getSsrc(), mediaServerItem.getId(), ((ResponseEvent)e.event).getClientTransaction());
+				streamSession.put(device.getDeviceId(), channelId ,"play", e.dialog);
 			});
 
 			
@@ -450,12 +443,12 @@
 			, SipSubscribe.Event errorEvent) {
 		try {
 
-			logger.info("{} 鍒嗛厤鐨刏LM涓�: {} [{}:{}]", ssrcInfo.getStreamId(), mediaServerItem.getId(), mediaServerItem.getIp(), ssrcInfo.getPort());
+			logger.info("{} 鍒嗛厤鐨刏LM涓�: {} [{}:{}]", ssrcInfo.getStream(), mediaServerItem.getId(), mediaServerItem.getIp(), ssrcInfo.getPort());
 
 			// 娣诲姞璁㈤槄
 			JSONObject subscribeKey = new JSONObject();
 			subscribeKey.put("app", "rtp");
-			subscribeKey.put("stream", ssrcInfo.getStreamId());
+			subscribeKey.put("stream", ssrcInfo.getStream());
 			subscribeKey.put("regist", true);
 			subscribeKey.put("mediaServerId", mediaServerItem.getId());
 			logger.debug("褰曞儚鍥炴斁娣诲姞璁㈤槄锛岃闃呭唴瀹癸細" + subscribeKey.toString());
@@ -474,8 +467,6 @@
 	        content.append("c=IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
 	        content.append("t="+DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(startTime)+" "
 					+DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(endTime) +"\r\n");
-
-
 
 			String streamMode = device.getStreamMode().toUpperCase();
 
@@ -536,8 +527,8 @@
 
 	        transmitRequest(device, request, errorEvent, okEvent -> {
 				ResponseEvent responseEvent = (ResponseEvent) okEvent.event;
-	        	streamSession.put(device.getDeviceId(), channelId, ssrcInfo.getSsrc(), ssrcInfo.getStreamId(), mediaServerItem.getId(), responseEvent.getClientTransaction());
-				streamSession.put(device.getDeviceId(), channelId, okEvent.dialog);
+	        	streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), responseEvent.getClientTransaction());
+				streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), okEvent.dialog);
 			});
 		} catch ( SipException | ParseException | InvalidArgumentException e) {
 			e.printStackTrace();
@@ -557,12 +548,12 @@
 	public void downloadStreamCmd(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId, String startTime, String endTime, String downloadSpeed, ZLMHttpHookSubscribe.Event event
 			, SipSubscribe.Event errorEvent) {
 		try {
-			logger.info("{} 鍒嗛厤鐨刏LM涓�: {} [{}:{}]", ssrcInfo.getStreamId(), mediaServerItem.getId(), mediaServerItem.getIp(), ssrcInfo.getPort());
+			logger.info("{} 鍒嗛厤鐨刏LM涓�: {} [{}:{}]", ssrcInfo.getStream(), mediaServerItem.getId(), mediaServerItem.getIp(), ssrcInfo.getPort());
 
 			// 娣诲姞璁㈤槄
 			JSONObject subscribeKey = new JSONObject();
 			subscribeKey.put("app", "rtp");
-			subscribeKey.put("stream", ssrcInfo.getStreamId());
+			subscribeKey.put("stream", ssrcInfo.getStream());
 			subscribeKey.put("regist", true);
 			subscribeKey.put("mediaServerId", mediaServerItem.getId());
 			logger.debug("褰曞儚鍥炴斁娣诲姞璁㈤槄锛岃闃呭唴瀹癸細" + subscribeKey.toString());
@@ -643,7 +634,8 @@
 	        Request request = headerProvider.createPlaybackInviteRequest(device, channelId, content.toString(), null, "fromplybck" + tm, null, callIdHeader, ssrcInfo.getSsrc());
 
 	        ClientTransaction transaction = transmitRequest(device, request, errorEvent);
-	        streamSession.put(device.getDeviceId(), channelId, ssrcInfo.getSsrc(), ssrcInfo.getStreamId(), mediaServerItem.getId(), transaction);
+	        streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), transaction);
+	        streamSession.put(device.getDeviceId(), channelId, callIdHeader.getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), transaction);
 
 		} catch ( SipException | ParseException | InvalidArgumentException e) {
 			e.printStackTrace();
@@ -654,17 +646,17 @@
 	 * 瑙嗛娴佸仠姝�, 涓嶄娇鐢ㄥ洖璋�
 	 */
 	@Override
-	public void streamByeCmd(String deviceId, String channelId) {
-		streamByeCmd(deviceId, channelId, null);
+	public void streamByeCmd(String deviceId, String channelId, String stream) {
+		streamByeCmd(deviceId, channelId, stream, null);
 	}
 
 	/**
 	 * 瑙嗛娴佸仠姝�
 	 */
 	@Override
-	public void streamByeCmd(String deviceId, String channelId, SipSubscribe.Event okEvent) {
+	public void streamByeCmd(String deviceId, String channelId, String stream, SipSubscribe.Event okEvent) {
 		try {
-			ClientTransaction transaction = streamSession.getTransaction(deviceId, channelId);
+			ClientTransaction transaction = streamSession.getTransactionByStream(deviceId, channelId, stream);
 			if (transaction == null) {
 				logger.warn("[ {} -> {}]鍋滄瑙嗛娴佺殑鏃跺�欏彂鐜颁簨鍔″凡涓㈠け", deviceId, channelId);
 				SipSubscribe.EventResult<Object> eventResult = new SipSubscribe.EventResult<>();
@@ -673,7 +665,7 @@
 				}
 				return;
 			}
-			SIPDialog dialog = streamSession.getDialog(deviceId, channelId);
+			SIPDialog dialog = streamSession.getDialogByStream(deviceId, channelId, stream);
 			if (dialog == null) {
 				logger.warn("[ {} -> {}]鍋滄瑙嗛娴佺殑鏃跺�欏彂鐜板璇濆凡涓㈠け", deviceId, channelId);
 				return;
@@ -717,11 +709,11 @@
 
 			dialog.sendRequest(clientTransaction);
 
-			SsrcTransaction ssrcTransaction = streamSession.getSsrcTransaction(deviceId, channelId);
+			SsrcTransaction ssrcTransaction = streamSession.getSsrcTransaction(deviceId, channelId, callIdHeader.getCallId(), null);
 			if (ssrcTransaction != null) {
 				MediaServerItem mediaServerItem = mediaServerService.getOne(ssrcTransaction.getMediaServerId());
 				mediaServerService.releaseSsrc(mediaServerItem, ssrcTransaction.getSsrc());
-				streamSession.remove(deviceId, channelId);
+				streamSession.remove(deviceId, channelId, ssrcTransaction.getStream());
 			}
 		} catch (SipException | ParseException e) {
 			e.printStackTrace();
@@ -1171,7 +1163,7 @@
 	@Override
 	public boolean catalogQuery(Device device, SipSubscribe.Event errorEvent) {
 		// 娓呯┖閫氶亾
-		storager.cleanChannelsForDevice(device.getDeviceId());
+//		storager.cleanChannelsForDevice(device.getDeviceId());
 		try {
 			StringBuffer catalogXml = new StringBuffer(200);
 			catalogXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
@@ -1204,14 +1196,15 @@
 	 * @param endTime 缁撴潫鏃堕棿,鏍煎紡瑕佹眰锛歽yyy-MM-dd HH:mm:ss
 	 */  
 	@Override
-	public boolean recordInfoQuery(Device device, String channelId, String startTime, String endTime) {
-		
+	public boolean recordInfoQuery(Device device, String channelId, String startTime, String endTime, int sn, SipSubscribe.Event errorEvent) {
+
+
 		try {
 			StringBuffer recordInfoXml = new StringBuffer(200);
 			recordInfoXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
 			recordInfoXml.append("<Query>\r\n");
 			recordInfoXml.append("<CmdType>RecordInfo</CmdType>\r\n");
-			recordInfoXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
+			recordInfoXml.append("<SN>" + sn + "</SN>\r\n");
 			recordInfoXml.append("<DeviceID>" + channelId + "</DeviceID>\r\n");
 			recordInfoXml.append("<StartTime>" + DateUtil.yyyy_MM_dd_HH_mm_ssToISO8601(startTime) + "</StartTime>\r\n");
 			recordInfoXml.append("<EndTime>" + DateUtil.yyyy_MM_dd_HH_mm_ssToISO8601(endTime) + "</EndTime>\r\n");
@@ -1228,7 +1221,7 @@
 			Request request = headerProvider.createMessageRequest(device, recordInfoXml.toString(),
 					"z9hG4bK-ViaRecordInfo-" + tm, "fromRec" + tm, null, callIdHeader);
 
-			transmitRequest(device, request);
+			transmitRequest(device, request, errorEvent);
 		} catch (SipException | ParseException | InvalidArgumentException e) {
 			e.printStackTrace();
 			return false;
@@ -1490,6 +1483,64 @@
 		}
 	}
 
+	@Override
+	public boolean catalogSubscribe(Device device, SipSubscribe.Event okEvent, SipSubscribe.Event errorEvent) {
+		try {
+			StringBuffer cmdXml = new StringBuffer(200);
+			cmdXml.append("<?xml version=\"1.0\" encoding=\"GB2312\"?>\r\n");
+			cmdXml.append("<Query>\r\n");
+			cmdXml.append("<CmdType>Catalog</CmdType>\r\n");
+			cmdXml.append("<SN>" + (int)((Math.random()*9+1)*100000) + "</SN>\r\n");
+			cmdXml.append("<DeviceID>" + device.getDeviceId() + "</DeviceID>\r\n");
+			cmdXml.append("</Query>\r\n");
+
+			String tm = Long.toString(System.currentTimeMillis());
+
+			CallIdHeader callIdHeader = device.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId()
+					: udpSipProvider.getNewCallId();
+
+			// 鏈夋晥鏃堕棿榛樿涓�60绉掍互涓�
+			Request request = headerProvider.createSubscribeRequest(device, cmdXml.toString(), "z9hG4bK-viaPos-" + tm,
+					"fromTagPos" + tm, null, device.getSubscribeCycleForCatalog() + 60, "Catalog" ,
+					callIdHeader);
+			transmitRequest(device, request, errorEvent, okEvent);
+
+			return true;
+
+		} catch ( NumberFormatException | ParseException | InvalidArgumentException	| SipException e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	@Override
+	public boolean dragZoomCmd(Device device, String channelId, String cmdString) {
+		try {
+			StringBuffer dragXml = new StringBuffer(200);
+			dragXml.append("<?xml version=\"1.0\" ?>\r\n");
+			dragXml.append("<Control>\r\n");
+			dragXml.append("<CmdType>DeviceControl</CmdType>\r\n");
+			dragXml.append("<SN>" + (int) ((Math.random() * 9 + 1) * 100000) + "</SN>\r\n");
+			if (StringUtils.isEmpty(channelId)) {
+				dragXml.append("<DeviceID>" + device.getDeviceId() + "</DeviceID>\r\n");
+			} else {
+				dragXml.append("<DeviceID>" + channelId + "</DeviceID>\r\n");
+			}
+			dragXml.append(cmdString);
+			dragXml.append("</Control>\r\n");
+			String tm = Long.toString(System.currentTimeMillis());
+			CallIdHeader callIdHeader = device.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId()
+					: udpSipProvider.getNewCallId();
+			Request request = headerProvider.createMessageRequest(device, dragXml.toString(), "z9hG4bK-ViaPtz-" + tm, "FromPtz" + tm, null, callIdHeader);
+			logger.debug("鎷夋淇′护锛� " + request.toString());
+			transmitRequest(device, request);
+			return true;
+		} catch (SipException | ParseException | InvalidArgumentException e) {
+			e.printStackTrace();
+		}
+		return false;
+	}
+
 
 	private ClientTransaction transmitRequest(Device device, Request request) throws SipException {
 		return transmitRequest(device, request, null, null);
@@ -1526,4 +1577,120 @@
 		clientTransaction.sendRequest();
 		return clientTransaction;
 	}
+
+	/**
+	 * 鍥炴斁鏆傚仠
+	 */
+	@Override
+	public void playPauseCmd(Device device, StreamInfo streamInfo) {
+		try {
+			Long cseq = redisCatchStorage.getCSEQ(Request.INFO);
+			StringBuffer content = new StringBuffer(200);
+			content.append("PAUSE RTSP/1.0\r\n");
+			content.append("CSeq: " + cseq + "\r\n");
+			content.append("PauseTime: now\r\n");
+			Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
+			if (request == null) {
+				return;
+			}
+			logger.info(request.toString());
+			ClientTransaction clientTransaction = null;
+			if ("TCP".equals(device.getTransport())) {
+				clientTransaction = tcpSipProvider.getNewClientTransaction(request);
+			} else if ("UDP".equals(device.getTransport())) {
+				clientTransaction = udpSipProvider.getNewClientTransaction(request);
+			}
+			if (clientTransaction != null) {
+				clientTransaction.sendRequest();
+			}
+
+		} catch (SipException | ParseException | InvalidArgumentException e) {
+			e.printStackTrace();
+		}
+	}
+
+	/**
+	 * 鍥炴斁鎭㈠
+	 */
+	@Override
+	public void playResumeCmd(Device device, StreamInfo streamInfo) {
+		try {
+			Long cseq = redisCatchStorage.getCSEQ(Request.INFO);
+			StringBuffer content = new StringBuffer(200);
+			content.append("PLAY RTSP/1.0\r\n");
+			content.append("CSeq: " + cseq + "\r\n");
+			content.append("Range: npt=now-\r\n");
+			Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
+			if (request == null) return;
+			logger.info(request.toString());
+			ClientTransaction clientTransaction = null;
+			if ("TCP".equals(device.getTransport())) {
+				clientTransaction = tcpSipProvider.getNewClientTransaction(request);
+			} else if ("UDP".equals(device.getTransport())) {
+				clientTransaction = udpSipProvider.getNewClientTransaction(request);
+			}
+
+			clientTransaction.sendRequest();
+
+		} catch (SipException | ParseException | InvalidArgumentException e) {
+			e.printStackTrace();
+		}
+	}
+
+	/**
+	 * 鍥炴斁鎷栧姩鎾斁
+	 */
+	@Override
+	public void playSeekCmd(Device device, StreamInfo streamInfo, long seekTime) {
+		try {
+			Long cseq = redisCatchStorage.getCSEQ(Request.INFO);
+			StringBuffer content = new StringBuffer(200);
+			content.append("PLAY RTSP/1.0\r\n");
+			content.append("CSeq: " + cseq + "\r\n");
+			content.append("Range: npt=" + Math.abs(seekTime) + "-\r\n");
+
+			Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
+			if (request == null) return;
+			logger.info(request.toString());
+			ClientTransaction clientTransaction = null;
+			if ("TCP".equals(device.getTransport())) {
+				clientTransaction = tcpSipProvider.getNewClientTransaction(request);
+			} else if ("UDP".equals(device.getTransport())) {
+				clientTransaction = udpSipProvider.getNewClientTransaction(request);
+			}
+
+			clientTransaction.sendRequest();
+
+		} catch (SipException | ParseException | InvalidArgumentException e) {
+			e.printStackTrace();
+		}
+	}
+
+	/**
+	 * 鍥炴斁鍊嶉�熸挱鏀�
+	 */
+	@Override
+	public void playSpeedCmd(Device device, StreamInfo streamInfo, Double speed) {
+		try {
+			Long cseq = redisCatchStorage.getCSEQ(Request.INFO);
+			StringBuffer content = new StringBuffer(200);
+			content.append("PLAY RTSP/1.0\r\n");
+			content.append("CSeq: " + cseq + "\r\n");
+			content.append("Scale: " + String.format("%.1f",speed) + "\r\n");
+			Request request = headerProvider.createInfoRequest(device, streamInfo, content.toString(), cseq);
+			if (request == null) return;
+			logger.info(request.toString());
+			ClientTransaction clientTransaction = null;
+			if ("TCP".equals(device.getTransport())) {
+				clientTransaction = tcpSipProvider.getNewClientTransaction(request);
+			} else if ("UDP".equals(device.getTransport())) {
+				clientTransaction = udpSipProvider.getNewClientTransaction(request);
+			}
+
+			clientTransaction.sendRequest();
+
+		} catch (SipException | ParseException | InvalidArgumentException e) {
+			e.printStackTrace();
+		}
+	}
 }

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