修复级联点播的空指针异常 #864

648540858

2023-05-30 314423bd011cffcbf8201047c76cc8e9127e86f2

 src/main/java/com/genersoft/iot/vmp/service/impl/PlayServiceImpl.java

@@ -26,7 +26,7 @@
import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForStreamChange;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.*;
import com.genersoft.iot.vmp.service.bean.InviteErrorCallback;
import com.genersoft.iot.vmp.service.bean.ErrorCallback;
import com.genersoft.iot.vmp.service.bean.InviteErrorCode;
import com.genersoft.iot.vmp.service.bean.SSRCInfo;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
@@ -44,6 +44,7 @@
import javax.sip.InvalidArgumentException;
import javax.sip.ResponseEvent;
import javax.sip.SipException;
import java.io.File;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.ParseException;
@@ -114,7 +115,7 @@


    @Override
    public SSRCInfo play(MediaServerItem mediaServerItem, String deviceId, String channelId, InviteErrorCallback<Object> callback) {
    public SSRCInfo play(MediaServerItem mediaServerItem, String deviceId, String channelId, ErrorCallback<Object> callback) {
        if (mediaServerItem == null) {
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到可用的zlm");
        }
@@ -179,7 +180,7 @@

    @Override
    public void play(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
                     InviteErrorCallback<Object> callback) {
                     ErrorCallback<Object> callback) {

        if (mediaServerItem == null || ssrcInfo == null) {
            callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
@@ -367,7 +368,7 @@
                                    return;
                                }
                                callback.run(InviteErrorCode.SUCCESS.getCode(),
                                        InviteErrorCode.SUCCESS.getMsg(), null);
                                        InviteErrorCode.SUCCESS.getMsg(), streamInfo);
                                inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                                        InviteErrorCode.SUCCESS.getCode(),
                                        InviteErrorCode.SUCCESS.getMsg(),
@@ -522,7 +523,7 @@

    @Override
    public void playBack(String deviceId, String channelId, String startTime,
                                                          String endTime, InviteErrorCallback<Object> callback) {
                                                          String endTime, ErrorCallback<Object> callback) {
        Device device = storager.queryVideoDevice(deviceId);
        if (device == null) {
            return;
@@ -535,7 +536,7 @@
    @Override
    public void playBack(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo,
                                                          String deviceId, String channelId, String startTime,
                                                          String endTime, InviteErrorCallback<Object> callback) {
                                                          String endTime, ErrorCallback<Object> callback) {
        if (mediaServerItem == null || ssrcInfo == null) {
            callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                    InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(),
@@ -725,7 +726,7 @@


    @Override
    public void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, InviteErrorCallback<Object> callback) {
    public void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback) {
        Device device = storager.queryVideoDevice(deviceId);
        if (device == null) {
            return;
@@ -743,7 +744,7 @@


    @Override
    public void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, InviteErrorCallback<Object> callback) {
    public void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback) {
        if (mediaServerItem == null || ssrcInfo == null) {
            callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                    InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(),
@@ -1127,4 +1128,53 @@
        Device device = storager.queryVideoDevice(inviteInfo.getDeviceId());
        cmder.playResumeCmd(device, inviteInfo.getStreamInfo());
    }

    @Override
    public void getSnap(String deviceId, String channelId, String fileName, ErrorCallback errorCallback) {
        Device device = deviceService.getDevice(deviceId);
        if (device == null) {
            errorCallback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(), InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(), null);
            return;
        }

        InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
        if (inviteInfo != null) {
            if (inviteInfo.getStreamInfo() != null) {
                // 已存在线直接截图
                MediaServerItem mediaServerItemInuse = mediaServerService.getOne(inviteInfo.getStreamInfo().getMediaServerId());
                String streamUrl;
                if (mediaServerItemInuse.getRtspPort() != 0) {
                    streamUrl = String.format("rtsp://127.0.0.1:%s/%s/%s", mediaServerItemInuse.getRtspPort(), "rtp",  inviteInfo.getStreamInfo().getStream());
                }else {
                    streamUrl = String.format("http://127.0.0.1:%s/%s/%s.live.mp4", mediaServerItemInuse.getHttpPort(), "rtp",  inviteInfo.getStreamInfo().getStream());
                }
                String path = "snap";
                // 请求截图
                logger.info("[请求截图]: " + fileName);
                zlmresTfulUtils.getSnap(mediaServerItemInuse, streamUrl, 15, 1, path, fileName);
                File snapFile = new File(path + File.separator + fileName);
                if (snapFile.exists()) {
                    errorCallback.run(InviteErrorCode.SUCCESS.getCode(), InviteErrorCode.SUCCESS.getMsg(), snapFile.getAbsoluteFile());
                }else {
                    errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
                }
                return;
            }
        }

        MediaServerItem newMediaServerItem = getNewMediaServerItem(device);
        play(newMediaServerItem, deviceId, channelId, (code, msg, data)->{
           if (code == InviteErrorCode.SUCCESS.getCode()) {
               InviteInfo inviteInfoForPlay = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
               if (inviteInfoForPlay != null && inviteInfoForPlay.getStreamInfo() != null) {
                   getSnap(deviceId, channelId, fileName, errorCallback);
               }else {
                   errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
               }
           }else {
               errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
           }
        });
    }

}