deepstream-test1-app ../samples/streams/sample_720p.h264 --> One element could not be created. Exiting

Accelerated Computing Intelligent Video Analytics DeepStream SDK
1

I have execute sample app but error. “One element could not be created. Exiting.”
What is the problem?

@dl-host:/opt/nvidia/deepstream/deepstream-4.0/bin$ GST_DEBUG=4 ./deepstream-test1-app …/samples/streams/sample_720p.h264
0:00:00.000147581 1821 0x55b2f22b9800 INFO GST_INIT gst.c:586:init_pre: Initializing GStreamer Core Library version 1.14.5
0:00:00.000235838 1821 0x55b2f22b9800 INFO GST_INIT gst.c:587:init_pre: Using library installed in /usr/lib/x86_64-linux-gnu
0:00:00.000267224 1821 0x55b2f22b9800 INFO GST_INIT gst.c:607:init_pre: Linux dl-host 5.0.0-23-generic #24~18.04.1-Ubuntu SMP Mon Jul 29 16:12:28 UTC 2019 x86_64
0:00:00.000784078 1821 0x55b2f22b9800 INFO GST_INIT gstmessage.c:127:_priv_gst_message_initialize: init messages
0:00:00.001890682 1821 0x55b2f22b9800 INFO GST_INIT gstcontext.c:84:_priv_gst_context_initialize: init contexts
0:00:00.002358717 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:317:_priv_gst_plugin_initialize: registering 0 static plugins
0:00:00.002557528 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:225:gst_plugin_register_static: registered static plugin “staticelements”
0:00:00.002591310 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:227:gst_plugin_register_static: added static plugin “staticelements”, result: 1
0:00:00.002645599 1821 0x55b2f22b9800 INFO GST_REGISTRY gstregistry.c:1727:ensure_current_registry: reading registry cache: /home/maponarooo/.cache/gstreamer-1.0/registry.x86_64.bin
0:00:00.017014043 1821 0x55b2f22b9800 INFO GST_REGISTRY gstregistrybinary.c:621:priv_gst_registry_binary_read_cache: loaded /home/maponarooo/.cache/gstreamer-1.0/registry.x86_64.bin in 0.014315 seconds
0:00:00.017061993 1821 0x55b2f22b9800 INFO GST_REGISTRY gstregistry.c:1583:scan_and_update_registry: Validating plugins from registry cache: /home/maponarooo/.cache/gstreamer-1.0/registry.x86_64.bin
0:00:00.017940196 1821 0x55b2f22b9800 INFO GST_REGISTRY gstregistry.c:1685:scan_and_update_registry: Registry cache has not changed
0:00:00.017949881 1821 0x55b2f22b9800 INFO GST_REGISTRY gstregistry.c:1762:ensure_current_registry: registry reading and updating done, result = 1
0:00:00.017955758 1821 0x55b2f22b9800 INFO GST_INIT gst.c:807:init_post: GLib runtime version: 2.56.4
0:00:00.017961065 1821 0x55b2f22b9800 INFO GST_INIT gst.c:809:init_post: GLib headers version: 2.56.4
0:00:00.017966715 1821 0x55b2f22b9800 INFO GST_INIT gst.c:810:init_post: initialized GStreamer successfully
0:00:00.017989493 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “pipeline” named “dstest1-pipeline”
0:00:00.018500145 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin “/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so” loaded
0:00:00.018513264 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “filesrc” named “file-source”
0:00:00.018586267 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseSrc@0x55b2f24fc120 adding pad ‘src’
0:00:00.019374725 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin “/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so” loaded
0:00:00.019385710 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “h264parse” named “h264-parser”
0:00:00.019436591 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseParse@0x55b2f2503490 adding pad ‘sink’
0:00:00.019449029 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseParse@0x55b2f2503490 adding pad ‘src’
0:00:00.019470255 1821 0x55b2f22b9800 INFO baseparse gstbaseparse.c:3961:gst_base_parse_set_pts_interpolation:GstH264Parse@0x55b2f2503490 PTS interpolation: no
0:00:00.021722045 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin “/usr/lib/x86_64-linux-gnu/gstreamer-1.0/deepstream/libgstnvvideo4linux2.so” loaded
0:00:00.021736385 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “nvv4l2decoder” named “nvv4l2-decoder”
0:00:00.021807259 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstVideoDecoder@0x55b2f2522490 adding pad ‘sink’
0:00:00.021820102 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstVideoDecoder@0x55b2f2522490 adding pad ‘src’
0:00:00.037365219 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin “/usr/lib/x86_64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_multistream.so” loaded
0:00:00.037384624 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “nvstreammux” named “stream-muxer”
0:00:00.037515278 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstNvStreamMux@0x55b2f25ac100 adding pad ‘src’
0:00:00.037529455 1821 0x55b2f22b9800 WARN GST_ELEMENT_FACTORY gstelementfactory.c:456:gst_element_factory_make: no such element factory “nvinfer”!
0:00:00.037771380 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin “/usr/lib/x86_64-linux-gnu/gstreamer-1.0/deepstream/libgstnvvideoconvert.so” loaded
0:00:00.037782754 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “nvvideoconvert” named “nvvideo-converter”
0:00:00.037863040 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseTransform@0x55b2f25ae970 adding pad ‘sink’
0:00:00.037878742 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseTransform@0x55b2f25ae970 adding pad ‘src’
0:00:00.039862990 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin “/usr/lib/x86_64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_osd.so” loaded
0:00:00.039878662 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “nvdsosd” named “nv-onscreendisplay”
0:00:00.039950553 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseTransform@0x55b2f25bd8d0 adding pad ‘sink’
0:00:00.039969763 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseTransform@0x55b2f25bd8d0 adding pad ‘src’
0:00:00.040597629 1821 0x55b2f22b9800 INFO GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin “/usr/lib/x86_64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_eglglessink.so” loaded
0:00:00.040610016 1821 0x55b2f22b9800 INFO GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element “nveglglessink” named “nvvideo-renderer”
0:00:00.040727007 1821 0x55b2f22b9800 INFO GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:GstBaseSink@0x55b2f2618310 adding pad ‘sink’
One element could not be created. Exiting.

1 Like
2

Per error log -

0:00:00.037529455 1821 0x55b2f22b9800 WARN GST_ELEMENT_FACTORY gstelementfactory.c:456:gst_element_factory_make: no such element factory “nvinfer”!

please check if you got nvinfer installed

$ gst-inspect-1.0 nvinfer

3

===========================================

Thank you so much~~~~

maponarooo@dl-host:~$ gst-inspect-1.0 nvinfer
No such element or plugin ‘nvinfer’
maponarooo@dl-host:~$

By the way… :D How can I install the nvinfer element?

4

So, I have reinstall TensorRT 7 again. But, Same…

maponarooo@dl-host:~/shared$ dpkg -l | grep TensorRT
ii graphsurgeon-tf 7.0.0-1+cuda10.2 amd64 GraphSurgeon for TensorRT package
ii libnvinfer-bin 7.0.0-1+cuda10.2 amd64 TensorRT binaries
ii libnvinfer-dev 7.0.0-1+cuda10.2 amd64 TensorRT development libraries and headers
ii libnvinfer-doc 7.0.0-1+cuda10.2 all TensorRT documentation
ii libnvinfer-plugin-dev 7.0.0-1+cuda10.2 amd64 TensorRT plugin libraries
ii libnvinfer-plugin6 6.0.1-1+cuda10.1 amd64 TensorRT plugin libraries
ii libnvinfer-plugin7 7.0.0-1+cuda10.2 amd64 TensorRT plugin libraries
ii libnvinfer-samples 7.0.0-1+cuda10.2 all TensorRT samples
ii libnvinfer6 6.0.1-1+cuda10.1 amd64 TensorRT runtime libraries
ii libnvinfer7 7.0.0-1+cuda10.2 amd64 TensorRT runtime libraries
ii libnvonnxparsers-dev 7.0.0-1+cuda10.2 amd64 TensorRT ONNX libraries
ii libnvonnxparsers6 6.0.1-1+cuda10.1 amd64 TensorRT ONNX libraries
ii libnvonnxparsers7 7.0.0-1+cuda10.2 amd64 TensorRT ONNX libraries
ii libnvparsers-dev 7.0.0-1+cuda10.2 amd64 TensorRT parsers libraries
ii libnvparsers6 6.0.1-1+cuda10.1 amd64 TensorRT parsers libraries
ii libnvparsers7 7.0.0-1+cuda10.2 amd64 TensorRT parsers libraries
ii python-libnvinfer 7.0.0-1+cuda10.2 amd64 Python bindings for TensorRT
ii python-libnvinfer-dev 7.0.0-1+cuda10.2 amd64 Python development package for TensorRT
ii python3-libnvinfer 7.0.0-1+cuda10.2 amd64 Python 3 bindings for TensorRT
ii python3-libnvinfer-dev 7.0.0-1+cuda10.2 amd64 Python 3 development package for TensorRT
ii tensorrt 7.0.0.11-1+cuda10.2 amd64 Meta package of TensorRT
ii uff-converter-tf 7.0.0-1+cuda10.2 amd64 UFF converter for TensorRT package
maponarooo@dl-host:~/shared$ gst-inspect-1.0 nvinfer
No such element or plugin ‘nvinfer’

5

Try “sudo apt install deepstream-4.0” if you have JetPack 4.3. That will install DeepStream (which includes nvinfer).

1 Like
6

I’m sorry… I’m not a Jetson but AMD + GTX1050ti.

7

In this case you will have to download and install DeepStream from .deb package. Once DeepStream is installed you should have the nvinfer element available.

Download the Tesla version. Officially GTX is not supported, especially in production in which case I believe the license requires you to use Tesla (or Jetson). Yeah I don’t agree with it either and think it’s a short sighted decision, but I guess the market research doesn’t agree.

8

Tesla version?
You mean “DeepStream 4.0.2 for T4 and V100
This release supports Tesla T4 and V100.” is right?

Okay. I will try again. Thank you…

9

Yes… You are right! I succeed! I got it!

Thank you so much~

maponarooo@dl-host:~/shared$ gst-inspect-1.0 nvinfer
Factory Details:
Rank primary (256)
Long-name NvInfer plugin
Klass NvInfer Plugin
Description Nvidia DeepStreamSDK TensorRT plugin
Author NVIDIA Corporation. Deepstream for Tesla forum: DeepStream SDK - NVIDIA Developer Forums

Plugin Details:
Name nvdsgst_infer
Description NVIDIA DeepStreamSDK TensorRT plugin
Filename /usr/lib/x86_64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_infer.so
Version 4.0.2
License Proprietary
Source module nvinfer
Binary package NVIDIA DeepStreamSDK TensorRT plugin
Origin URL http://nvidia.com/

GObject
±—GInitiallyUnowned
±—GstObject
±—GstElement
±—GstBaseTransform
±—GstNvInfer

Pad Templates:
SINK template: ‘sink’
Availability: Always
Capabilities:
video/x-raw(memory:NVMM)
format: { (string)NV12, (string)RGBA }
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]

SRC template: ‘src’
Availability: Always
Capabilities:
video/x-raw(memory:NVMM)
format: { (string)NV12, (string)RGBA }
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
SINK: ‘sink’
Pad Template: ‘sink’
SRC: ‘src’
Pad Template: ‘src’

Element Properties:
name : The name of the object
flags: readable, writable
String. Default: “nvinfer0”
parent : The parent of the object
flags: readable, writable
Object of type “GstObject”
qos : Handle Quality-of-Service events
flags: readable, writable
Boolean. Default: false
unique-id : Unique ID for the element. Can be used to identify output of the element
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 15
process-mode : Infer processing mode
flags: readable, writable, changeable only in NULL or READY state
Enum “GstNvInferProcessModeType” Default: 1, “primary”
(1): primary - Primary (Full Frame)
(2): secondary - Secondary (Objects)
config-file-path : Path to the configuration file for this instance of nvinfer
flags: readable, writable, changeable only in NULL or READY state
String. Default: “”
infer-on-gie-id : Infer on metadata generated by GIE with this unique ID.
Set to -1 to infer on all metadata.
flags: readable, writable, changeable only in NULL or READY state
Integer. Range: -1 - 2147483647 Default: -1
infer-on-class-ids : Infer on objects with specified class ids
Use string with values of class ids in ClassID (int) to set the property.
e.g. 0:2:3
flags: readable, writable, changeable only in NULL or READY state
String. Default: “”
model-engine-file : Absolute path to the pre-generated serialized engine file for the model
flags: readable, writable, changeable only in NULL or READY state
String. Default: “”
batch-size : Maximum batch size for inference
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 1 - 1024 Default: 1
interval : Specifies number of consecutive batches to be skipped for inference
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 2147483647 Default: 0
gpu-id : Set GPU Device ID
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 0
raw-output-file-write: Write raw inference output to file
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
raw-output-generated-callback: Pointer to the raw output generated callback funtion
(type: gst_nvinfer_raw_output_generated_callback in ‘gstnvdsinfer.h’)
flags: readable, writable, changeable only in NULL or READY state
Pointer.
raw-output-generated-userdata: Pointer to the userdata to be supplied with raw output generated callback
flags: readable, writable, changeable only in NULL or READY state
Pointer.
output-tensor-meta : Attach inference tensor outputs as buffer metadata
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
maponarooo@dl-host:~/shared$