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 |  |  | import java.util.ArrayList;
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 |  |  | import java.util.List;
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 |  |  | import java.util.Map;
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 |  |  | import java.util.concurrent.ConcurrentHashMap;
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 |  |  | import javax.sip.ClientTransaction;
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 |  |  | import javax.sip.Dialog;
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 |  |  | import javax.sip.message.Request;
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 |  |  | import com.genersoft.iot.vmp.common.VideoManagerConstants;
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 |  |  | import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
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 |  |  | import com.genersoft.iot.vmp.service.IMediaServerService;
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 |  |  | import com.genersoft.iot.vmp.utils.SerializeUtils;
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 |  |  | import com.genersoft.iot.vmp.utils.redis.JedisUtil;
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 |  |  | import com.genersoft.iot.vmp.utils.redis.RedisUtil;
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 |  |  | import gov.nist.javax.sip.stack.SIPDialog;
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 |  |  | import org.springframework.beans.factory.annotation.Autowired;
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 |  |  | import org.springframework.data.redis.core.RedisTemplate;
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 |  |  | import org.springframework.stereotype.Component;
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 |  |  | /**    
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 |  |  |  * @Description:视频流session管理器,管理视频预览、预览回放的通信句柄  | 
 |  |  |  * @description:视频流session管理器,管理视频预览、预览回放的通信句柄  | 
 |  |  |  * @author: swwheihei
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 |  |  |  * @date:   2020年5月13日 下午4:03:02     
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 |  |  |  */
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