PlayServiceImpl.java
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package com.genersoft.iot.vmp.service.impl;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.conf.UserSetup;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
import com.genersoft.iot.vmp.media.zlm.ZLMHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
import com.genersoft.iot.vmp.vmanager.gb28181.play.bean.PlayResult;
import com.genersoft.iot.vmp.service.IMediaService;
import com.genersoft.iot.vmp.service.IPlayService;
import gov.nist.javax.sip.stack.SIPDialog;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.util.ResourceUtils;
import org.springframework.web.context.request.async.DeferredResult;
import javax.sip.ClientTransaction;
import javax.sip.message.Response;
import java.io.FileNotFoundException;
import java.util.UUID;
@SuppressWarnings(value = {"rawtypes", "unchecked"})
@Service
public class PlayServiceImpl implements IPlayService {
private final static Logger logger = LoggerFactory.getLogger(PlayServiceImpl.class);
@Autowired
private IVideoManagerStorager storager;
@Autowired
private SIPCommander cmder;
@Autowired
private IRedisCatchStorage redisCatchStorage;
@Autowired
private DeferredResultHolder resultHolder;
@Autowired
private ZLMRESTfulUtils zlmresTfulUtils;
@Autowired
private IMediaService mediaService;
@Autowired
private VideoStreamSessionManager streamSession;
@Autowired
private UserSetup userSetup;
@Override
public PlayResult play(String deviceId, String channelId, ZLMHttpHookSubscribe.Event hookEvent, SipSubscribe.Event errorEvent) {
PlayResult playResult = new PlayResult();
Device device = storager.queryVideoDevice(deviceId);
StreamInfo streamInfo = redisCatchStorage.queryPlayByDevice(deviceId, channelId);
playResult.setDevice(device);
UUID uuid = UUID.randomUUID();
playResult.setUuid(uuid.toString());
DeferredResult<ResponseEntity<String>> result = new DeferredResult<ResponseEntity<String>>(userSetup.getPlayTimeout());
playResult.setResult(result);
// 录像查询以channelId作为deviceId查询
resultHolder.put(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid, result);
// 超时处理
result.onTimeout(()->{
logger.warn(String.format("设备点播超时，deviceId：%s ，channelId：%s", deviceId, channelId));
// 释放rtpserver
cmder.closeRTPServer(playResult.getDevice(), channelId);
RequestMessage msg = new RequestMessage();
msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + playResult.getUuid());
WVPResult wvpResult = new WVPResult();
wvpResult.setCode(-1);
wvpResult.setMsg("Timeout");
msg.setData(wvpResult);
resultHolder.invokeResult(msg);
});
result.onCompletion(()->{
// 点播结束时调用截图接口
try {
String classPath = ResourceUtils.getURL("classpath:").getPath();
// System.out.println(classPath);
// 兼容打包为jar的class路径
if(classPath.contains("jar")) {
classPath = classPath.substring(0, classPath.lastIndexOf("."));
classPath = classPath.substring(0, classPath.lastIndexOf("/") + 1);
}
if (classPath.startsWith("file:")) {
classPath = classPath.substring(classPath.indexOf(":") + 1, classPath.length());
}
String path = classPath + "static/static/snap/";
// 兼容Windows系统路径（去除前面的“/”）
if(System.getProperty("os.name").contains("indows")) {
path = path.substring(1, path.length());
}
String fileName = deviceId + "_" + channelId + ".jpg";
ResponseEntity responseEntity = (ResponseEntity)result.getResult();
if (responseEntity != null && responseEntity.getStatusCode() == HttpStatus.OK) {
WVPResult wvpResult = (WVPResult)responseEntity.getBody();
if (wvpResult.getCode() == 0) {
StreamInfo streamInfoForSuccess = (StreamInfo)wvpResult.getData();
String streamUrl = streamInfoForSuccess.getFmp4();
// 请求截图
zlmresTfulUtils.getSnap(streamUrl, 15, 1, path, fileName);
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
}
});
if (streamInfo == null) {
// 发送点播消息
cmder.playStreamCmd(device, channelId, (JSONObject response) -> {
logger.info("收到订阅消息： " + response.toJSONString());
onPublishHandlerForPlay(response, deviceId, channelId, uuid.toString());
if (hookEvent != null) {
hookEvent.response(response);
}
}, event -> {
RequestMessage msg = new RequestMessage();
msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
Response response = event.getResponse();
cmder.closeRTPServer(playResult.getDevice(), channelId);
WVPResult wvpResult = new WVPResult();
wvpResult.setCode(-1);
wvpResult.setMsg(String.format("点播失败， 错误码： %s, %s", response.getStatusCode(), response.getReasonPhrase()));
msg.setData(wvpResult);
resultHolder.invokeResult(msg);
if (errorEvent != null) {
errorEvent.response(event);
}
});
} else {
String streamId = streamInfo.getStreamId();
if (streamId == null) {
RequestMessage msg = new RequestMessage();
msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
WVPResult wvpResult = new WVPResult();
wvpResult.setCode(-1);
wvpResult.setMsg(String.format("点播失败， redis缓存streamId等于null"));
msg.setData(wvpResult);
resultHolder.invokeResult(msg);
return playResult;
}
JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
if (rtpInfo != null && rtpInfo.getBoolean("exist")) {
RequestMessage msg = new RequestMessage();
msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
WVPResult wvpResult = new WVPResult();
wvpResult.setCode(0);
wvpResult.setMsg("success");
wvpResult.setData(streamInfo);
msg.setData(wvpResult);
resultHolder.invokeResult(msg);
if (hookEvent != null) {
hookEvent.response(JSONObject.parseObject(JSON.toJSONString(streamInfo)));
}
} else {
redisCatchStorage.stopPlay(streamInfo);
storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId());
cmder.playStreamCmd(device, channelId, (JSONObject response) -> {
logger.info("收到订阅消息： " + response.toJSONString());
onPublishHandlerForPlay(response, deviceId, channelId, uuid.toString());
}, event -> {
cmder.closeRTPServer(playResult.getDevice(), channelId);
RequestMessage msg = new RequestMessage();
msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
Response response = event.getResponse();
WVPResult wvpResult = new WVPResult();
wvpResult.setCode(-1);
wvpResult.setMsg(String.format("点播失败， 错误码： %s, %s", response.getStatusCode(), response.getReasonPhrase()));
msg.setData(wvpResult);
resultHolder.invokeResult(msg);
});
}
}
return playResult;
}
@Override
public void onPublishHandlerForPlay(JSONObject resonse, String deviceId, String channelId, String uuid) {
RequestMessage msg = new RequestMessage();
msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
StreamInfo streamInfo = onPublishHandler(resonse, deviceId, channelId, uuid);
if (streamInfo != null) {
DeviceChannel deviceChannel = storager.queryChannel(deviceId, channelId);
if (deviceChannel != null) {
deviceChannel.setStreamId(streamInfo.getStreamId());
storager.startPlay(deviceId, channelId, streamInfo.getStreamId());
}
ClientTransaction transaction = streamSession.getTransaction(deviceId, channelId);
SIPDialog dialog = (SIPDialog)transaction.getDialog();
StreamInfo.TransactionInfo transactionInfo = new StreamInfo.TransactionInfo();
transactionInfo.callId = dialog.getCallId().getCallId();
transactionInfo.localTag = dialog.getLocalTag();
transactionInfo.remoteTag = dialog.getRemoteTag();
transactionInfo.branch = dialog.getFirstTransactionInt().getBranchId();
streamInfo.setTransactionInfo(transactionInfo);
redisCatchStorage.startPlay(streamInfo);
msg.setData(JSON.toJSONString(streamInfo));
WVPResult wvpResult = new WVPResult();
wvpResult.setCode(0);
wvpResult.setMsg("sucess");
wvpResult.setData(streamInfo);
msg.setData(wvpResult);
resultHolder.invokeResult(msg);
} else {
logger.warn("设备预览API调用失败！");
msg.setData("设备预览API调用失败！");
resultHolder.invokeResult(msg);
}
}
@Override
public void onPublishHandlerForPlayBack(JSONObject resonse, String deviceId, String channelId, String uuid) {
RequestMessage msg = new RequestMessage();
msg.setId(DeferredResultHolder.CALLBACK_CMD_PlAY + uuid);
StreamInfo streamInfo = onPublishHandler(resonse, deviceId, channelId, uuid);
if (streamInfo != null) {
redisCatchStorage.startPlayback(streamInfo);
msg.setData(JSON.toJSONString(streamInfo));
resultHolder.invokeResult(msg);
} else {
logger.warn("设备预览API调用失败！");
msg.setData("设备预览API调用失败！");
resultHolder.invokeResult(msg);
}
}
public StreamInfo onPublishHandler(JSONObject resonse, String deviceId, String channelId, String uuid) {
String streamId = resonse.getString("stream");
JSONArray tracks = resonse.getJSONArray("tracks");
StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStream("rtp", streamId, tracks);
streamInfo.setDeviceID(deviceId);
streamInfo.setChannelId(channelId);
return streamInfo;
}
}