优化国标录像下载，添加进度条以及自动合并文件下载，需要结合新版assist服务使用。

648540858

2022-03-25 7d9cc96ef54399795deb5b7fc7682e6323dc1202

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

@@ -91,7 +91,7 @@
        MediaServerItem mediaInfo;
        WVPResult<StreamInfo> wvpResult = new WVPResult<>();
        wvpResult.setCode(0);
        if ("auto".equals(param.getMediaServerId())){
        if (param.getMediaServerId() == null || "auto".equals(param.getMediaServerId())){
            mediaInfo = mediaServerService.getMediaServerForMinimumLoad();
        }else {
            mediaInfo = mediaServerService.getOne(param.getMediaServerId());
@@ -132,7 +132,7 @@
                }else {
                    streamLive = true;
                    StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStream(
                            mediaInfo, param.getApp(), param.getStream(), null);
                            mediaInfo, param.getApp(), param.getStream(), null, null);
                    wvpResult.setData(streamInfo);

                }