修复并发点播时可能出现的rtpServer开启但是还未收到流的情况，编码类型136，137,138默认开启音频通道

648540858

2022-09-07 ec0ec5eb54723cc9aeabb4f313da2a101ab98bd2

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

@@ -16,9 +16,7 @@
import com.genersoft.iot.vmp.media.zlm.ZlmHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.ZLMMediaListManager;
import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.media.zlm.dto.StreamProxyItem;
import com.genersoft.iot.vmp.media.zlm.dto.StreamPushItem;
import com.genersoft.iot.vmp.media.zlm.dto.*;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.IPlayService;
import com.genersoft.iot.vmp.service.IStreamProxyService;
@@ -89,6 +87,9 @@

    @Autowired
    private IMediaServerService mediaServerService;

    @Autowired
    private ZlmHttpHookSubscribe zlmHttpHookSubscribe;

    @Autowired
    private SIPProcessorObserver sipProcessorObserver;
@@ -400,7 +401,14 @@
                        if (playTransaction != null) {
                            Boolean streamReady = zlmrtpServerFactory.isStreamReady(mediaServerItem, "rtp", playTransaction.getStream());
                            if (!streamReady) {
                                playTransaction = null;
                                boolean hasRtpServer = mediaServerService.checkRtpServer(mediaServerItem, "rtp", playTransaction.getStream());
                                if (hasRtpServer) {
                                    logger.info("[上级点播]已经开启rtpServer但是尚未收到流，开启监听流的到来");
                                    HookSubscribeForStreamChange hookSubscribe = HookSubscribeFactory.on_stream_changed("rtp", playTransaction.getStream(), true, "rtsp", mediaServerItem.getId());
                                    zlmHttpHookSubscribe.addSubscribe(hookSubscribe, hookEvent);
                                }else {
                                    playTransaction = null;
                                }
                            }
                        }
                        if (playTransaction == null) {
@@ -563,7 +571,8 @@
            responseAck(evt, Response.BAD_REQUEST, "channel [" + gbStream.getGbId() + "] offline");
        } else if ("push".equals(gbStream.getStreamType())) {
            if (!platform.isStartOfflinePush()) {
                responseAck(evt, Response.TEMPORARILY_UNAVAILABLE, "channel unavailable");
                // 平台设置中关闭了拉起离线的推流则直接回复
                responseAck(evt, Response.TEMPORARILY_UNAVAILABLE, "channel stream not pushing");
                return;
            }
            // 发送redis消息以使设备上线
@@ -599,7 +608,7 @@
                            app, stream, channelId, mediaTransmissionTCP);

                    if (sendRtpItem == null) {
                        logger.warn("服务器端口资源不足");
                        logger.warn("上级点时创建sendRTPItem失败，可能是服务器端口资源不足");
                        try {
                            responseAck(evt, Response.BUSY_HERE);
                        } catch (SipException e) {