1. Reading xxxx code is the best way to get the answer 2. The user of 4.0 needs C/C++ background 3. More resource: https://docs.nvidia.com/metropolis/ nvinfer / nvpreprocess / streamMux / DeMux Gst-Nvinfer source code diagram [description] Gst-Nvdspreprocess source code diagram [descrip…

42. How to convert NvDsInferTensorMeta output data to numpy ndarray 1.Get NvDsInferTensorMeta from user meta tensor_meta = pyds.NvDsInferTensorMeta.cast(user_meta.user_meta_data) # Boxes in the tensor meta should be in network resolution which is # found in tensor_meta.network_info. Use this info…

43. [DS7.1_Jetson_Docker] DeepStream 7.1 Triton Docker Triton Backend Setup Script Patch For the following DeepStream 7.1 L4T dockers, the Triton backend setup script needs to be updated to download boost package from the correct link. nvcr.io/nvidia/deepstream:7.1-triton-multiarch nvcr.io/nvidia/…

44. [DSx_All_App] How to extract specific class on deepstream with nvinferserver diff --git a/sources/gst-plugins/gst-nvinferserver/gstnvinferserver_meta_utils.cpp b/sources/gst-plugins/gst-nvinferserver/gstnvinferserver_meta_utils.cpp index d13a005..39c7336 100755 --- a/sources/gst-plugins/gst-nvi…

45. [DSx_All_nvdanalytics] How to set different properties for each ROI in the same [algo-stream-n] Currently, all ROIs in the same [algo-stream-n] share the same properties. Taking the following configurations for example, How to set class-id=0 for roi-RF1 and class-id=2 for roi-RF2? [roi-filteri…

46. [DS6.x_All_test4] Memory leak in deepstream-test4 The memory leak of deepstream-test4 is a legacy version issue, including 6.x/7.x versions, python/native need to be patched both. 1. Native code. You can refer to the following patch to modify the local code, and recompile and install /opt/nv…

47.[DS 6.4 above_dGPU_App] How to enable software H264 encoder? For some GPUs do not support Nvidia hardware video encoder Video Encode and Decode GPU Support Matrix | NVIDIA Developer . The software encoder can be enabled and be used with DeepStream pipeline. The commands(please remove the “sudo” …

48.[DSx_All_App] How to get the classification model labels longer than 128 bytes? Our nvinfer plugin does not support obtaining classification model labels longer than 128 bytes by default. If the label exceeds this length, please refer to the following patch. After the modification, you can obtai…

49.[DSx_All_App] How to render segmentation when testing segmentation models using nvdspreprocess? Testing the segmentation model with nvdspreprocess, both nvinfer and nvinferserver only attach the segmentation meta to ROI meta. Here is a patch for rendering the segmentation. If using nvinfer -…

50.[DSx_dGPU_App] How to insert SEI in bitstream using nvdsmetainsert in pyds? 1.Add nvdsmetainsert element upstream of nvv4l2h264enc/nvv4l2h265enc and set the serialize-lib property value nvdsmetainsert.set_property('serialize-lib', '/opt/nvidia/deepstream/deepstream/lib/libnvds_sei_serialization…

51. [DS7.1_JetPack6.2_nvvideoconvert] How to resolve the compatibility issue of nvvideoconvert plugin in DeepStream 7.1 on Jetson 6.2 version. When running DeepStream 7.1 on Jetpack 6.2, you may encounter some memory copy exceptions. Some failed logs are as follows. ...nvbufsurftransform_copy.cpp…

DeepStream SDK FAQ

Accelerated Computing Intelligent Video Analytics DeepStream SDK

junshengy January 21, 2026, 6:08am 66

56.[DSx_Jetson_Display] How to support VNC and remote desktop on a headless Jetson device

Thanks to the community users for providing the tutorial.

Jetson Orin Nano Headless Setup

Additionally, if you need to generate an HDMI edid, please refer to this web tool.

HDMI EDID

DeepStream 7.1 on Jetson Orin Nano — nvvideoconvert (NVMM → system memory) silently fails in headless mode, producing 0-byte encoded files

DeepStream nvdsosd fails on Jetson Orin Nano (headless mode) – “Could not get EGL display connection” / X11 authentication error

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