处理上级平台发送的invite请求不携带“y=”sdp信息时，使用默认“y=0000000000”视频无法播放的问题。

xubinbin

2022-09-23 fc7f1b3459d9c65a37cae25bc254a6a3d62cc6db

处理上级平台发送的invite请求不携带“y=”sdp信息时，使用默认“y=0000000000”视频无法播放的问题。

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

@@ -332,14 +332,14 @@
                        content.append("m=video " + sendRtpItem.getLocalPort() + " RTP/AVP 96\r\n");
                        content.append("a=sendonly\r\n");
                        content.append("a=rtpmap:96 PS/90000\r\n");
                        content.append("y=" + ssrc + "\r\n");
                        content.append("y=" + sendRtpItem.getSsrc() + "\r\n");
                        content.append("f=\r\n");

                        try {
                            // 超时未收到Ack应该回复bye,当前等待时间为10秒
                            dynamicTask.startDelay(callIdHeader.getCallId(), () -> {
                                logger.info("Ack 等待超时");
                                mediaServerService.releaseSsrc(mediaServerItemInUSe.getId(), ssrc);
                                mediaServerService.releaseSsrc(mediaServerItemInUSe.getId(), sendRtpItem.getSsrc());
                                // 回复bye
                                cmderFroPlatform.streamByeCmd(platform, callIdHeader.getCallId());
                            }, 60 * 1000);
@@ -421,6 +421,7 @@
                            SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, null, device.isSsrcCheck(), false);
                            logger.info(JSONObject.toJSONString(ssrcInfo));
                            sendRtpItem.setStreamId(ssrcInfo.getStream());
                            sendRtpItem.setSsrc(ssrc.equals(ssrcDefault) ? ssrcInfo.getSsrc() : ssrc);

                            // 写入redis， 超时时回复
                            redisCatchStorage.updateSendRTPSever(sendRtpItem);