修复移动位置获取接口超时 #857

648540858

2023-06-14 f4960b2618f8f19f3bcbdda9683ec051f16949de

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java

@@ -241,18 +241,8 @@
                // 解析sdp消息, 使用jainsip 自带的sdp解析方式
                String contentString = new String(request.getRawContent());

                // jainSip不支持y=字段， 移除以解析。
                // 检查是否有y字段
                int ssrcIndex = contentString.indexOf("y=");

                SessionDescription sdp;
                if (ssrcIndex >= 0) {
                    //ssrc规定长度为10个字节，不取余下长度以避免后续还有“f=”字段
                    String substring = contentString.substring(0, ssrcIndex);
                    sdp = SdpFactory.getInstance().createSessionDescription(substring);
                } else {
                    sdp = SdpFactory.getInstance().createSessionDescription(contentString);
                }
                Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
                SessionDescription sdp = gb28181Sdp.getBaseSdb();
                String sessionName = sdp.getSessionName().getValue();

                Long startTime = null;
@@ -340,11 +330,11 @@
                    }

                    String ssrc;
                    if (userSetting.getUseCustomSsrcForParentInvite() || ssrcIndex < 0) {
                    if (userSetting.getUseCustomSsrcForParentInvite() || gb28181Sdp.getSsrc() == null) {
                        // 上级平台点播时不使用上级平台指定的ssrc，使用自定义的ssrc，参考国标文档-点播外域设备媒体流SSRC处理方式
                        ssrc = "Play".equalsIgnoreCase(sessionName) ? ssrcFactory.getPlaySsrc(mediaServerItem.getId()) : ssrcFactory.getPlayBackSsrc(mediaServerItem.getId());
                    }else {
                        ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
                        ssrc = gb28181Sdp.getSsrc();
                    }
                    String streamTypeStr = null;
                    if (mediaTransmissionTCP) {
@@ -513,11 +503,11 @@
                } else if (gbStream != null) {

                    String ssrc;
                    if (userSetting.getUseCustomSsrcForParentInvite() || ssrcIndex < 0) {
                    if (userSetting.getUseCustomSsrcForParentInvite() || gb28181Sdp.getSsrc() == null) {
                        // 上级平台点播时不使用上级平台指定的ssrc，使用自定义的ssrc，参考国标文档-点播外域设备媒体流SSRC处理方式
                        ssrc = "Play".equalsIgnoreCase(sessionName) ? ssrcFactory.getPlaySsrc(mediaServerItem.getId()) : ssrcFactory.getPlayBackSsrc(mediaServerItem.getId());
                    }else {
                        ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
                        ssrc = gb28181Sdp.getSsrc();
                    }

                    if("push".equals(gbStream.getStreamType())) {
@@ -891,20 +881,11 @@
            }
            String contentString = new String(request.getRawContent());
            // jainSip不支持y=字段， 移除移除以解析。
            String substring = contentString;
            String ssrc = "0000000404";
            int ssrcIndex = contentString.indexOf("y=");
            if (ssrcIndex > 0) {
                substring = contentString.substring(0, ssrcIndex);
                ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
            }
            ssrcIndex = substring.indexOf("f=");
            if (ssrcIndex > 0) {
                substring = contentString.substring(0, ssrcIndex);
            }
            SessionDescription sdp = null;

            try {
                sdp = SdpFactory.getInstance().createSessionDescription(substring);
                Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
                SessionDescription sdp = gb28181Sdp.getBaseSdb();
                //  获取支持的格式
                Vector mediaDescriptions = sdp.getMediaDescriptions(true);
                // 查看是否支持PS 负载96