获取实际内容长度，不使用header中的长度信息

648540858

2022-09-08 bd5b9ca1f777e0991f37f6b0865fce873ed87072

 src/main/java/com/genersoft/iot/vmp/gb28181/bean/SubscribeInfo.java

@@ -25,6 +25,9 @@
        this.callId = callIdHeader.getCallId();
    }

    public SubscribeInfo() {
    }

    private String id;
    private int expires;
    private String callId;