Nvtracker doesn't work if it is placed after tiler

Accelerated Computing Intelligent Video Analytics DeepStream SDK
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• Hardware Platform (Jetson / GPU) GPU
• DeepStream Version 6.1
• JetPack Version (valid for Jetson only)
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only) 535
• Issue Type( questions, new requirements, bugs)

Hi, I am referring deepstream_imagedata-multistream example run run my own model and tracking. In my case, I don’t use nvinfer or nvinferserver directly, so pgie doesn’t exist. This is my pipeline: source-bin-00 -> stream-muxer -> convertor1 -> capsfilter1 -> nvtiler -> tracker -> convertor2 -> onscreendisplay -> queue1 -> rtsp-sink-bin.
I use tiler_sinkpad to add a probe function to run external inference and then add_obj_meta_to_frame. Without tracker, nvsod works fine and I can see bounding boxes on RTSP output. But if tracker is added, those boxes disappear. Does it mean that tracker doesn’t work with tiler output? How can I workaround this issue?

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There is no update from you for a period, assuming this is not an issue anymore. Hence we are closing this topic. If need further support, please open a new one. Thanks

Yes. There is no batch after the nvtiler. But the input of the nvtracker is Gst Buffer and NvDsBatchMeta.