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请求历史媒体下载增加回复事件处理ssrc与下级不一致情况

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wangyimeng
2023-03-03 20:59:10 +08:00
parent 2d2832dbe9
commit 6afcd5176b
3 changed files with 152 additions and 92 deletions
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67
src/main/java/com/genersoft/iot/vmp/service/impl/PlayServiceImpl.java
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@@ -258,7 +258,8 @@ public class PlayServiceImpl implements IPlayService {
return;
}
try {
cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (MediaServerItem mediaServerItemInuse, JSONObject response) -> {
cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (MediaServerItem mediaServerItemInuse, JSONObject response) ->
{
logger.info("收到订阅消息： " + response.toJSONString());
dynamicTask.stop(timeOutTaskKey);
@@ -273,7 +274,8 @@ public class PlayServiceImpl implements IPlayService {
logger.info("[请求截图]: " + fileName);
zlmresTfulUtils.getSnap(mediaServerItemInuse, streamUrl, 15, 1, path, fileName);
}, (event) -> {
}, (event) ->
{
ResponseEvent responseEvent = (ResponseEvent) event.event;
String contentString = new String(responseEvent.getResponse().getRawContent());
// 获取ssrc
@@ -322,7 +324,8 @@ public class PlayServiceImpl implements IPlayService {
}
}
}, (event) -> {
}, (event) ->
{
dynamicTask.stop(timeOutTaskKey);
mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
// 释放ssrc
@@ -513,7 +516,8 @@ public class PlayServiceImpl implements IPlayService {
try {
cmder.playbackStreamCmd(mediaServerItem, ssrcInfo, device, channelId, startTime, endTime, infoCallBack,
hookEvent, eventResult -> {
hookEvent, eventResult ->
{
if (eventResult.type == SipSubscribe.EventResultType.response) {
ResponseEvent responseEvent = (ResponseEvent) eventResult.event;
String contentString = new String(responseEvent.getResponse().getRawContent());
@@ -582,6 +586,7 @@ public class PlayServiceImpl implements IPlayService {
if (device == null) {
return;
}
//获取录像下载的服务，配置文件中的record-assist-port不为0
MediaServerItem newMediaServerItem = getNewMediaServerItemHasAssist(device);
if (newMediaServerItem == null) {
PlayBackResult<StreamInfo> downloadResult = new PlayBackResult<>();
@@ -651,7 +656,59 @@ public class PlayServiceImpl implements IPlayService {
downloadResult.setMediaServerItem(inviteStreamInfo.getMediaServerItem());
downloadResult.setResponse(inviteStreamInfo.getResponse());
hookCallBack.call(downloadResult);
}, errorEvent);
}, errorEvent, eventResult ->
{
if (eventResult.type == SipSubscribe.EventResultType.response) {
ResponseEvent responseEvent = (ResponseEvent) eventResult.event;
String contentString = new String(responseEvent.getResponse().getRawContent());
// 获取ssrc
int ssrcIndex = contentString.indexOf("y=");
// 检查是否有y字段
if (ssrcIndex >= 0) {
//ssrc规定长度为10字节，不取余下长度以避免后续还有“f=”字段 TODO 后续对不规范的非10位ssrc兼容
String ssrcInResponse = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
// 查询到ssrc不一致且开启了ssrc校验则需要针对处理
if (ssrcInfo.getSsrc().equals(ssrcInResponse)) {
return;
}
logger.info("[回放消息] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
if (!mediaServerItem.isRtpEnable() || device.isSsrcCheck()) {
logger.info("[回放消息] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);
if (!mediaServerItem.getSsrcConfig().checkSsrc(ssrcInResponse)) {
// ssrc 不可用
// 释放ssrc
mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
eventResult.msg = "下级自定义了ssrc,但是此ssrc不可用";
eventResult.statusCode = 400;
errorEvent.response(eventResult);
return;
}
// 单端口模式streamId也有变化，需要重新设置监听
if (!mediaServerItem.isRtpEnable()) {
// 添加订阅
HookSubscribeForStreamChange hookSubscribe = HookSubscribeFactory.on_stream_changed("rtp", ssrcInfo.getStream(), true, "rtsp", mediaServerItem.getId());
subscribe.removeSubscribe(hookSubscribe);
hookSubscribe.getContent().put("stream", String.format("%08x", Integer.parseInt(ssrcInResponse)).toUpperCase());
subscribe.addSubscribe(hookSubscribe, (MediaServerItem mediaServerItemInUse, JSONObject response) -> {
logger.info("[ZLM HOOK] ssrc修正后收到订阅消息： " + response.toJSONString());
dynamicTask.stop(downLoadTimeOutTaskKey);
// hook响应，TODO 此处待处理
// onPublishHandlerForPlayback(mediaServerItemInUse, response, device.getDeviceId(), channelId, playBackCallback);
// hookCallBack.call(new InviteStreamInfo(mediaServerItem, null, eventResult.callId, "rtp", ssrcInfo.getStream()));
});
}
// 关闭rtp server
mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
// 重新开启ssrc server
mediaServerService.openRTPServer(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse, device.isSsrcCheck(), true, ssrcInfo.getPort());
}
}
}
});
} catch (InvalidArgumentException | SipException | ParseException e) {
logger.error("[命令发送失败] 录像下载: {}", e.getMessage());