Failed to open low-level lib libnvds_nvdcf.so

Please provide complete information as applicable to your setup.

**• Hardware Platform: Jetson
**• DeepStream Version:6
**• JetPack Version :4.6
**• TensorRT Version: 8.0.1.6
**• Issue Type:questions
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)

Following the last example in the article, the following errors occur.

$ gst-launch-1.0 filesrc location=streams/sample_1080p_h264.mp4 ! qtdemux ! h264parse ! nvv4l2decoder ! m.sink_0 nvstreammux name=m width=1920 height=1080 batch-size=1 live-source=1 ! nvinfer config-file-path=../sources/apps/sample_apps/deepstream-nvdsanalytics-test/nvdsanalytics_pgie_config.txt ! nvtracker ll-lib-file = /opt/nvidia/deepstream/deepstream/lib/libnvds_nvdcf.so ll-config-file= tracker_config.yml tracker-width=640 tracker-height=384  ! nvdsanalytics config-file=../sources/apps/sample_apps/deepstream-nvdsanalytics-test/config_nvdsanalytics.txt ! nvmultistreamtiler  ! nvvideoconvert  ! nvdsosd ! nvegltransform ! nveglglessink
Setting pipeline to PAUSED ...

Using winsys: x11 
Opening in BLOCKING MODE 
gstnvtracker: Loading low-level lib at /opt/nvidia/deepstream/deepstream/lib/libnvds_nvdcf.so
gstnvtracker: Failed to open low-level lib at /opt/nvidia/deepstream/deepstream/lib/libnvds_nvdcf.so
 dlopen error: /opt/nvidia/deepstream/deepstream/lib/libnvds_nvdcf.so: cannot open shared object file: No such file or directory
gstnvtracker: Failed to initilaize low level lib.
ERROR: Pipeline doesn't want to pause.
Got context from element 'eglglessink0': gst.egl.EGLDisplay=context, display=(GstEGLDisplay)NULL;
Setting pipeline to NULL ...
Freeing pipeline ...

How to solve this problem?

• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)

Please read the DeepStream 6.0 document carefully. Gst-nvtracker — DeepStream 6.0 Release documentation

Nvtracker has changed much in DS 6.0.

gst-launch-1.0 filesrc location=streams/sample_1080p_h264.mp4 ! qtdemux ! h264parse ! nvv4l2decoder ! m.sink_0 nvstreammux name=m width=1920 height=1080 batch-size=1 live-source=1 ! nvinfer config-file-path=../sources/apps/sample_apps/deepstream-nvdsanalytics-test/nvdsanalytics_pgie_config.txt ! nvtracker ll-lib-file = /opt/nvidia/deepstream/deepstream/lib/libnvds_nvmultiobjecttracker.so ll-config-file=/opt/nvidia/deepstream/deepstream/samples/configs/deepstream-app/config_tracker_NvDCF_perf.yml tracker-width=640 tracker-height=384 ! nvdsanalytics config-file=../sources/apps/sample_apps/deepstream-nvdsanalytics-test/config_nvdsanalytics.txt ! nvmultistreamtiler ! nvvideoconvert ! nvdsosd ! nvegltransform ! nveglglessink

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