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| | | /**
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| | | * @Description:SIP信令中的SSRC工具类。SSRC值由10位十进制整数组成的字符串,第一位为0代表实况,为1则代表回放;第二位至第六位由监控域ID的第4位到第8位组成;最后4位为不重复的4个整数
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| | | * @author: songww
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| | | * @author: swwheihei
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| | | * @date: 2020年5月10日 上午11:57:57
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| | | */
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| | | public class SsrcUtil {
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| | |
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| | | private static void init() {
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| | | SipConfig sipConfig = (SipConfig) SpringBeanFactory.getBean("sipConfig");
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| | | ssrcPrefix = sipConfig.getSipDomain().substring(4, 9);
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| | | ssrcPrefix = sipConfig.getSipDomain().substring(3, 8);
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| | | isUsed = new ArrayList<String>();
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| | | notUsed = new ArrayList<String>();
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| | | for (int i = 1; i < 10000; i++) {
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| | |
| | | */
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| | | private static String getSN() {
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| | | String sn = null;
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| | | int index = 0;
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| | | if (notUsed.size() == 0) {
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| | | throw new RuntimeException("ssrc已经用完");
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| | | } else if (notUsed.size() == 1) {
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| | | sn = notUsed.get(0);
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| | | } else {
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| | | sn = notUsed.get(new Random().nextInt(notUsed.size() - 1));
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| | | index = new Random().nextInt(notUsed.size() - 1);
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| | | sn = notUsed.get(index);
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| | | }
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| | | notUsed.remove(0);
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| | | notUsed.remove(index);
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| | | isUsed.add(sn);
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| | | return sn;
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| | | }
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