CSI camera with python apps

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU)
Jetson Nano 4GB, camera: Arducam IMX 519.
• DeepStream Version
6.0
• JetPack Version (valid for Jetson only)
4.6.0,4.61,4.6.2
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs)
question
• 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)
I just run python app example and got this error, don’t know why. DeepStream c api works well. But python bindings cannot run with saved video with my custom code and its CSI or USB camera app.
Here is the o/p:

/opt/nvidia/deepstream/deepstream-6.0/sources/deepstream_python_apps/apps/deepstream-test1-usbcam$ python3 deepstream_test_1_usb.py /dev/video0
0:00:00.000108230  9490      0xe6b4ca0 INFO                GST_INIT gst.c:586:init_pre: Initializing GStreamer Core Library version 1.14.5
0:00:00.000157033  9490      0xe6b4ca0 INFO                GST_INIT gst.c:587:init_pre: Using library installed in /usr/lib/aarch64-linux-gnu
0:00:00.000181512  9490      0xe6b4ca0 INFO                GST_INIT gst.c:607:init_pre: Linux ubuntu-desktop 4.9.299-tegra #1 SMP PREEMPT Wed Jan 11 08:26:10 UTC 2023 aarch64
0:00:00.000573496  9490      0xe6b4ca0 INFO                GST_INIT gstmessage.c:127:_priv_gst_message_initialize: init messages
0:00:00.001688145  9490      0xe6b4ca0 INFO                GST_INIT gstcontext.c:84:_priv_gst_context_initialize: init contexts
0:00:00.002042941  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:317:_priv_gst_plugin_initialize: registering 0 static plugins
0:00:00.002236589  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:225:gst_plugin_register_static: registered static plugin "staticelements"
0:00:00.002264610  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:227:gst_plugin_register_static: added static plugin "staticelements", result: 1
0:00:00.002302371  9490      0xe6b4ca0 INFO            GST_REGISTRY gstregistry.c:1727:ensure_current_registry: reading registry cache: /home/ubuntu/.cache/gstreamer-1.0/registry.aarch64.bin
0:00:00.046275965  9490      0xe6b4ca0 INFO            GST_REGISTRY gstregistrybinary.c:621:priv_gst_registry_binary_read_cache: loaded /home/ubuntu/.cache/gstreamer-1.0/registry.aarch64.bin in 0.043894 seconds
0:00:00.046443519  9490      0xe6b4ca0 INFO            GST_REGISTRY gstregistry.c:1583:scan_and_update_registry: Validating plugins from registry cache: /home/ubuntu/.cache/gstreamer-1.0/registry.aarch64.bin
0:00:00.052336714  9490      0xe6b4ca0 INFO            GST_REGISTRY gstregistry.c:1685:scan_and_update_registry: Registry cache has not changed
0:00:00.052381766  9490      0xe6b4ca0 INFO            GST_REGISTRY gstregistry.c:1762:ensure_current_registry: registry reading and updating done, result = 1
0:00:00.052402392  9490      0xe6b4ca0 INFO                GST_INIT gst.c:807:init_post: GLib runtime version: 2.56.4
0:00:00.052421975  9490      0xe6b4ca0 INFO                GST_INIT gst.c:809:init_post: GLib headers version: 2.56.4
0:00:00.052435517  9490      0xe6b4ca0 INFO                GST_INIT gst.c:810:init_post: initialized GStreamer successfully
Creating Pipeline 
 
Creating Source 
 
0:00:00.065310357  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstvideo4linux2.so" loaded
0:00:00.065364472  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "v4l2src" named "usb-cam-source"
0:00:00.067078816  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseSrc@0xea901f0> adding pad 'src'
0:00:00.070636775  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstcoreelements.so" loaded
0:00:00.070688077  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "capsfilter" named "v4l2src_caps"
0:00:00.070882402  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xea9c1b0> adding pad 'sink'
0:00:00.070936309  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xea9c1b0> adding pad 'src'
Creating Video Converter 

0:00:00.072353409  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstvideoconvert.so" loaded
0:00:00.072400493  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "videoconvert" named "convertor_src1"
0:00:00.072924250  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xeaa50d0> adding pad 'sink'
0:00:00.072986229  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xeaa50d0> adding pad 'src'
0:00:00.118092025  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libgstnvvideoconvert.so" loaded
0:00:00.118153119  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "nvvideoconvert" named "convertor_src2"
0:00:00.118502550  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xeb4ab30> adding pad 'sink'
0:00:00.118566405  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xeb4ab30> adding pad 'src'
0:00:00.119095422  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "capsfilter" named "nvmm_caps"
0:00:00.119175996  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xea9c4f0> adding pad 'sink'
0:00:00.119225944  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xea9c4f0> adding pad 'src'
0:00:00.123223960  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_multistream.so" loaded
0:00:00.123289899  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "nvstreammux" named "Stream-muxer"
0:00:00.123630059  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstNvStreamMux@0xeb50070> adding pad 'src'
0:00:00.208290646  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_infer.so" loaded
0:00:00.208346167  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "nvinfer" named "primary-inference"
0:00:00.208767943  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xee3a0d0> adding pad 'sink'
0:00:00.208829298  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xee3a0d0> adding pad 'src'
0:00:00.209468629  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "nvvideoconvert" named "convertor"
0:00:00.209600505  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xee46e70> adding pad 'sink'
0:00:00.209648735  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xee46e70> adding pad 'src'
0:00:00.216359544  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_osd.so" loaded
0:00:00.216432305  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "nvdsosd" named "onscreendisplay"
0:00:00.216721475  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xee4f0d0> adding pad 'sink'
0:00:00.216780851  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseTransform@0xee4f0d0> adding pad 'src'
Creating nv3dsink 

0:00:00.245923123  9490      0xe6b4ca0 INFO      GST_PLUGIN_LOADING gstplugin.c:901:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvvideosinks.so" loaded
0:00:00.246010833  9490      0xe6b4ca0 INFO     GST_ELEMENT_FACTORY gstelementfactory.c:359:gst_element_factory_create: creating element "nv3dsink" named "nv3d-sink"
0:00:00.246471151  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<GstBaseSink@0xef11ea0> adding pad 'sink'
Playing cam /dev/video0 
0:00:00.249423894  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.249606292  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
Adding elements to Pipeline 

Linking elements in the Pipeline 

0:00:00.255681572  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element usb-cam-source:(any) to element v4l2src_caps:(any)
0:00:00.255771209  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link usb-cam-source:src and v4l2src_caps:sink
0:00:00.255828814  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<v4l2src_caps:src> pad has no peer
0:00:00.255885585  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: usb-cam-source and v4l2src_caps in same bin, no need for ghost pads
0:00:00.255942096  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link usb-cam-source:src and v4l2src_caps:sink
0:00:00.255986524  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<v4l2src_caps:src> pad has no peer
0:00:00.256048816  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked usb-cam-source:src and v4l2src_caps:sink, successful
0:00:00.256076004  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.256103661  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<usb-cam-source:src> Received event on flushing pad. Discarding
0:00:00.256247569  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element v4l2src_caps:(any) to element convertor_src1:(any)
0:00:00.256298715  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link v4l2src_caps:src and convertor_src1:sink
0:00:00.256403612  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<convertor_src1:src> pad has no peer
0:00:00.259167864  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: v4l2src_caps and convertor_src1 in same bin, no need for ghost pads
0:00:00.259242396  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link v4l2src_caps:src and convertor_src1:sink
0:00:00.259322709  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<convertor_src1:src> pad has no peer
0:00:00.262097950  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked v4l2src_caps:src and convertor_src1:sink, successful
0:00:00.262143107  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.262174930  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<v4l2src_caps:src> Received event on flushing pad. Discarding
0:00:00.262275036  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element convertor_src1:(any) to element convertor_src2:(any)
0:00:00.262315870  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link convertor_src1:src and convertor_src2:sink
0:00:00.264224746  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<convertor_src2:src> pad has no peer
0:00:00.264425634  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: convertor_src1 and convertor_src2 in same bin, no need for ghost pads
0:00:00.264471572  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link convertor_src1:src and convertor_src2:sink
0:00:00.265573721  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<convertor_src2:src> pad has no peer
0:00:00.265751535  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked convertor_src1:src and convertor_src2:sink, successful
0:00:00.265776119  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.265799505  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<convertor_src1:src> Received event on flushing pad. Discarding
0:00:00.265874297  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element convertor_src2:(any) to element nvmm_caps:(any)
0:00:00.265913569  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link convertor_src2:src and nvmm_caps:sink
0:00:00.268072605  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<nvmm_caps:src> pad has no peer
0:00:00.268145991  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: convertor_src2 and nvmm_caps in same bin, no need for ghost pads
0:00:00.268191408  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link convertor_src2:src and nvmm_caps:sink
0:00:00.270326329  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<nvmm_caps:src> pad has no peer
0:00:00.270401590  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked convertor_src2:src and nvmm_caps:sink, successful
0:00:00.270426174  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.270450914  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<convertor_src2:src> Received event on flushing pad. Discarding
0:00:00.272890474  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:917:gst_element_get_static_pad: no such pad 'sink_0' in element "Stream-muxer"
0:00:00.273054018  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:670:gst_element_add_pad:<Stream-muxer> adding pad 'sink_0'
0:00:00.274671433  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:920:gst_element_get_static_pad: found pad nvmm_caps:src
0:00:00.276383328  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link nvmm_caps:src and Stream-muxer:sink_0
0:00:00.278577208  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<Stream-muxer:src> pad has no peer
0:00:00.278705231  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked nvmm_caps:src and Stream-muxer:sink_0, successful
0:00:00.278733825  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.278759450  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<nvmm_caps:src> Received event on flushing pad. Discarding
0:00:00.278854451  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element Stream-muxer:(any) to element primary-inference:(any)
0:00:00.278901535  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link Stream-muxer:src and primary-inference:sink
0:00:00.278959921  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<primary-inference:src> pad has no peer
0:00:00.279034505  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: Stream-muxer and primary-inference in same bin, no need for ghost pads
0:00:00.279079558  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link Stream-muxer:src and primary-inference:sink
0:00:00.279115288  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<primary-inference:src> pad has no peer
0:00:00.279168882  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked Stream-muxer:src and primary-inference:sink, successful
0:00:00.279192059  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.279215653  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<Stream-muxer:src> Received event on flushing pad. Discarding
0:00:00.279277789  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element primary-inference:(any) to element convertor:(any)
0:00:00.279313623  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link primary-inference:src and convertor:sink
0:00:00.279382478  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<convertor:src> pad has no peer
0:00:00.279530449  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: primary-inference and convertor in same bin, no need for ghost pads
0:00:00.279565553  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link primary-inference:src and convertor:sink
0:00:00.279634356  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<convertor:src> pad has no peer
0:00:00.279774566  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked primary-inference:src and convertor:sink, successful
0:00:00.279798264  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.279817015  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<primary-inference:src> Received event on flushing pad. Discarding
0:00:00.279868474  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element convertor:(any) to element onscreendisplay:(any)
0:00:00.279905193  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link convertor:src and onscreendisplay:sink
0:00:00.280051653  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<onscreendisplay:src> pad has no peer
0:00:00.280115351  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: convertor and onscreendisplay in same bin, no need for ghost pads
0:00:00.280153425  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link convertor:src and onscreendisplay:sink
0:00:00.280295249  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:4232:gst_pad_peer_query:<onscreendisplay:src> pad has no peer
0:00:00.280356292  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked convertor:src and onscreendisplay:sink, successful
0:00:00.280377282  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.280398636  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<convertor:src> Received event on flushing pad. Discarding
0:00:00.280449887  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstutils.c:1774:gst_element_link_pads_full: trying to link element onscreendisplay:(any) to element nv3d-sink:(any)
0:00:00.280482960  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1035:gst_pad_check_link: trying to link onscreendisplay:src and nv3d-sink:sink
0:00:00.280684212  9490      0xe6b4ca0 INFO                GST_PADS gstutils.c:1588:prepare_link_maybe_ghosting: onscreendisplay and nv3d-sink in same bin, no need for ghost pads
0:00:00.280723484  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2378:gst_pad_link_prepare: trying to link onscreendisplay:src and nv3d-sink:sink
0:00:00.280917809  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:2586:gst_pad_link_full: linked onscreendisplay:src and nv3d-sink:sink, successful
0:00:00.280936299  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1517:gst_event_new_reconfigure: creating reconfigure event
0:00:00.280953747  9490      0xe6b4ca0 INFO               GST_EVENT gstpad.c:5808:gst_pad_send_event_unchecked:<onscreendisplay:src> Received event on flushing pad. Discarding
0:00:00.285087129  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:920:gst_element_get_static_pad: found pad onscreendisplay:sink
Starting pipeline 

0:00:00.289019884  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nv3d-sink> current NULL pending VOID_PENDING, desired next READY
0:00:00.320426611  9490      0xef2f990 INFO          nvvideocontext context_egl.c:303:gst_nv_video_context_egl_setup:<nvvideocontextegl0> egl version: 1.5
0:00:00.340861176  9490      0xe6b4ca0 INFO          nvvideocontext context.c:457:gst_nv_video_context_create_render_thread:<nvvideocontextegl0> render thread created
0:00:00.341131648  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nv3d-sink> completed state change to READY
0:00:00.341186336  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nv3d-sink> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.341326181  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nv3d-sink' changed state to 2(READY) successfully
0:00:00.341383526  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<onscreendisplay> current NULL pending VOID_PENDING, desired next READY
0:00:00.341449256  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<onscreendisplay> completed state change to READY
0:00:00.341498110  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<onscreendisplay> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.341557903  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'onscreendisplay' changed state to 2(READY) successfully
0:00:00.341632852  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor> current NULL pending VOID_PENDING, desired next READY
0:00:00.341706342  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor> completed state change to READY
0:00:00.341778166  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.341891448  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor' changed state to 2(READY) successfully
0:00:00.341970876  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<primary-inference> current NULL pending VOID_PENDING, desired next READY
0:00:00.342301662  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<primary-inference> completed state change to READY
0:00:00.342495935  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<primary-inference> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.342836720  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'primary-inference' changed state to 2(READY) successfully
0:00:00.343085473  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<Stream-muxer> current NULL pending VOID_PENDING, desired next READY
0:00:00.415326538  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<Stream-muxer> completed state change to READY
0:00:00.415373778  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<Stream-muxer> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.415434456  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'Stream-muxer' changed state to 2(READY) successfully
0:00:00.415481279  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nvmm_caps> current NULL pending VOID_PENDING, desired next READY
0:00:00.415508259  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nvmm_caps> completed state change to READY
0:00:00.415531748  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nvmm_caps> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.415565030  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nvmm_caps' changed state to 2(READY) successfully
0:00:00.415597114  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src2> current NULL pending VOID_PENDING, desired next READY
0:00:00.415623364  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src2> completed state change to READY
0:00:00.415646646  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src2> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.415676386  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src2' changed state to 2(READY) successfully
0:00:00.415710553  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src1> current NULL pending VOID_PENDING, desired next READY
0:00:00.415735345  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src1> completed state change to READY
0:00:00.415758782  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src1> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.415792845  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src1' changed state to 2(READY) successfully
0:00:00.415823471  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<v4l2src_caps> current NULL pending VOID_PENDING, desired next READY
0:00:00.415847325  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<v4l2src_caps> completed state change to READY
0:00:00.415870971  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<v4l2src_caps> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.415903367  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'v4l2src_caps' changed state to 2(READY) successfully
0:00:00.415934670  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<usb-cam-source> current NULL pending VOID_PENDING, desired next READY
0:00:00.416161652  9490      0xe6b4ca0 INFO                    v4l2 v4l2_calls.c:589:gst_v4l2_open:<usb-cam-source:src> Opened device 'vi-output, imx519 8-001a' (/dev/video0) successfully
0:00:00.416208944  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<usb-cam-source> completed state change to READY
0:00:00.416237225  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<usb-cam-source> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.416273424  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'usb-cam-source' changed state to 2(READY) successfully
0:00:00.416308581  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<pipeline0> committing state from NULL to READY, pending PLAYING, next PAUSED
0:00:00.416333372  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed NULL to READY (PLAYING pending)
0:00:00.416365040  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<pipeline0> continue state change READY to PAUSED, final PLAYING
0:00:00.416427436  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nv3d-sink> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.416472697  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2960:gst_bin_change_state_func:<pipeline0> child 'nv3d-sink' is changing state asynchronously to PAUSED
0:00:00.416504416  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<onscreendisplay> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.421979116  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<onscreendisplay> completed state change to PAUSED
0:00:00.422075524  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<onscreendisplay> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:00.422127816  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'onscreendisplay' changed state to 3(PAUSED) successfully
0:00:00.422172140  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.422219171  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor> completed state change to PAUSED
0:00:00.422245734  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:00.422279745  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor' changed state to 3(PAUSED) successfully
0:00:00.422312923  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<primary-inference> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.422376100  9490      0xe6b4ca0 WARN                 nvinfer gstnvinfer.cpp:635:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::initialize() <nvdsinfer_context_impl.cpp:1161> [UID = 1]: Warning, OpenCV has been deprecated. Using NMS for clustering instead of cv::groupRectangles with topK = 20 and NMS Threshold = 0.5
ERROR: Deserialize engine failed because file path: /opt/nvidia/deepstream/deepstream-6.0/sources/deepstream_python_apps/apps/deepstream-test1-usbcam/../../../../samples/models/Primary_Detector/resnet10.caffemodel_b1_gpu0_int8.engine open error
0:00:02.584018963  9490      0xe6b4ca0 WARN                 nvinfer gstnvinfer.cpp:635:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::deserializeEngineAndBackend() <nvdsinfer_context_impl.cpp:1889> [UID = 1]: deserialize engine from file :/opt/nvidia/deepstream/deepstream-6.0/sources/deepstream_python_apps/apps/deepstream-test1-usbcam/../../../../samples/models/Primary_Detector/resnet10.caffemodel_b1_gpu0_int8.engine failed
0:00:02.585221686  9490      0xe6b4ca0 WARN                 nvinfer gstnvinfer.cpp:635:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::generateBackendContext() <nvdsinfer_context_impl.cpp:1996> [UID = 1]: deserialize backend context from engine from file :/opt/nvidia/deepstream/deepstream-6.0/sources/deepstream_python_apps/apps/deepstream-test1-usbcam/../../../../samples/models/Primary_Detector/resnet10.caffemodel_b1_gpu0_int8.engine failed, try rebuild
0:00:02.585283978  9490      0xe6b4ca0 INFO                 nvinfer gstnvinfer.cpp:638:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Info from NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:1914> [UID = 1]: Trying to create engine from model files
WARNING: INT8 not supported by platform. Trying FP16 mode.
ERROR: Serialize engine failed because of file path: /opt/nvidia/deepstream/deepstream-6.0/samples/models/Primary_Detector/resnet10.caffemodel_b1_gpu0_fp16.engine opened error
0:01:23.993956013  9490      0xe6b4ca0 WARN                 nvinfer gstnvinfer.cpp:635:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:1942> [UID = 1]: failed to serialize cude engine to file: /opt/nvidia/deepstream/deepstream-6.0/samples/models/Primary_Detector/resnet10.caffemodel_b1_gpu0_fp16.engine
INFO: [Implicit Engine Info]: layers num: 3
0   INPUT  kFLOAT input_1         3x368x640       
1   OUTPUT kFLOAT conv2d_bbox     16x23x40        
2   OUTPUT kFLOAT conv2d_cov/Sigmoid 4x23x40         

0:01:24.078203989  9490      0xe6b4ca0 INFO                 nvinfer gstnvinfer_impl.cpp:313:notifyLoadModelStatus:<primary-inference> [UID 1]: Load new model:dstest1_pgie_config.txt sucessfully
0:01:24.078272896  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<primary-inference> completed state change to PAUSED
0:01:24.078305553  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<primary-inference> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:24.078359199  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'primary-inference' changed state to 3(PAUSED) successfully
0:01:24.078405346  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<Stream-muxer> current READY pending VOID_PENDING, desired next PAUSED
0:01:24.078510607  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<Stream-muxer> completed state change to PAUSED
0:01:24.078539931  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<Stream-muxer> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:24.078576025  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'Stream-muxer' changed state to 3(PAUSED) successfully
0:01:24.078610296  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nvmm_caps> current READY pending VOID_PENDING, desired next PAUSED
0:01:24.078650244  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nvmm_caps> completed state change to PAUSED
0:01:24.078675349  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nvmm_caps> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:24.078707953  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nvmm_caps' changed state to 3(PAUSED) successfully
0:01:24.078740975  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src2> current READY pending VOID_PENDING, desired next PAUSED
0:01:24.078778267  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src2> completed state change to PAUSED
0:01:24.078801965  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src2> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:24.078833163  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src2' changed state to 3(PAUSED) successfully
0:01:24.078864414  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src1> current READY pending VOID_PENDING, desired next PAUSED
0:01:24.078898633  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src1> completed state change to PAUSED
0:01:24.078922748  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src1> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:24.078954258  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src1' changed state to 3(PAUSED) successfully
0:01:24.078985196  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<v4l2src_caps> current READY pending VOID_PENDING, desired next PAUSED
0:01:24.079019936  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<v4l2src_caps> completed state change to PAUSED
0:01:24.079043947  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<v4l2src_caps> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:24.079075874  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'v4l2src_caps' changed state to 3(PAUSED) successfully
0:01:24.079102958  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<usb-cam-source> current READY pending VOID_PENDING, desired next PAUSED
0:01:24.079157646  9490      0xe6b4ca0 INFO                 basesrc gstbasesrc.c:1358:gst_base_src_do_seek:<usb-cam-source> seeking: time segment start=0:00:00.000000000, offset=0:00:00.000000000, stop=99:99:99.999999999, rate=1.000000, applied_rate=1.000000, flags=0x00, time=0:00:00.000000000, base=0:00:00.000000000, position 0:00:00.000000000, duration 99:99:99.999999999
0:01:24.079219782  9490      0xe6b4ca0 INFO                    task gsttask.c:457:gst_task_set_lock: setting stream lock 0xea920b0 on task 0x46c66170
0:01:24.079246345  9490      0xe6b4ca0 INFO                GST_PADS gstpad.c:6154:gst_pad_start_task:<usb-cam-source:src> created task 0x46c66170
0:01:24.079367024  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<usb-cam-source> completed state change to PAUSED
0:01:24.079410722  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<usb-cam-source> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:24.079454160  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2997:gst_bin_change_state_func:<pipeline0> child 'usb-cam-source' changed state to 3(PAUSED) successfully without preroll
0:01:24.079494786  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<pipeline0> committing state from READY to PAUSED, pending PLAYING, next PLAYING
0:01:24.079521244  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed READY to PAUSED (PLAYING pending)
0:01:24.079553068  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<pipeline0> continue state change PAUSED to PLAYING, final PLAYING
0:01:24.079713851  9490     0x46891cf0 INFO        GST_ELEMENT_PADS gstelement.c:917:gst_element_get_static_pad: no such pad 'sink' in element "usb-cam-source"
0:01:24.079977343  9490      0xe6b4ca0 INFO               GST_EVENT gstevent.c:1388:gst_event_new_latency: creating latency event 0:00:00.000000000
0:01:24.080047969  9490      0xe6b4ca0 INFO                     bin gstbin.c:2783:gst_bin_do_latency_func:<pipeline0> configured latency of 0:00:00.000000000
0:01:24.080118908  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nv3d-sink> current READY pending PAUSED, desired next PLAYING
0:01:24.080147345  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2960:gst_bin_change_state_func:<pipeline0> child 'nv3d-sink' is changing state asynchronously to PLAYING
0:01:24.080176877  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<onscreendisplay> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.080182867  9490     0x46891cf0 INFO                    v4l2 gstv4l2object.c:1198:gst_v4l2_object_fill_format_list:<usb-cam-source:src> got 1 format(s):
0:01:24.080250263  9490     0x46891cf0 INFO                    v4l2 gstv4l2object.c:1204:gst_v4l2_object_fill_format_list:<usb-cam-source:src>   RG10
0:01:24.080293910  9490     0x46891cf0 INFO                    v4l2 gstv4l2object.c:4238:gst_v4l2_object_probe_caps:<usb-cam-source:src> probed caps: EMPTY
0:01:24.080210367  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<onscreendisplay> completed state change to PLAYING
0:01:24.080411776  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<onscreendisplay> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.080449641  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'onscreendisplay' changed state to 4(PLAYING) successfully
0:01:24.080483183  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.080509329  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor> completed state change to PLAYING
0:01:24.080533756  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.080575007  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor' changed state to 4(PLAYING) successfully
0:01:24.080607820  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<primary-inference> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.080632664  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<primary-inference> completed state change to PLAYING
0:01:24.080657456  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<primary-inference> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.080689123  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'primary-inference' changed state to 4(PLAYING) successfully
0:01:24.080719852  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<Stream-muxer> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.080790843  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<Stream-muxer> completed state change to PLAYING
0:01:24.080821728  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<Stream-muxer> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.080855010  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'Stream-muxer' changed state to 4(PLAYING) successfully
0:01:24.080886625  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nvmm_caps> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.080911104  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nvmm_caps> completed state change to PLAYING
0:01:24.080934803  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nvmm_caps> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.080966626  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nvmm_caps' changed state to 4(PLAYING) successfully
0:01:24.080996887  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src2> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.081020793  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src2> completed state change to PLAYING
0:01:24.081043971  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src2> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.081075117  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src2' changed state to 4(PLAYING) successfully
0:01:24.081105378  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src1> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.081128555  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src1> completed state change to PLAYING
0:01:24.081152045  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src1> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.081183504  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src1' changed state to 4(PLAYING) successfully
0:01:24.081213400  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<v4l2src_caps> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:24.081236942  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<v4l2src_caps> completed state change to PLAYING
0:01:24.081260275  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<v4l2src_caps> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.081291838  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'v4l2src_caps' changed state to 4(PLAYING) successfully
0:01:24.081322568  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<usb-cam-source> completed state change to PLAYING
0:01:24.081346578  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<usb-cam-source> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:24.081377985  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'usb-cam-source' changed state to 4(PLAYING) successfully
0:01:24.082537270  9490     0x46891cf0 WARN                 basesrc gstbasesrc.c:3055:gst_base_src_loop:<usb-cam-source> error: Internal data stream error.
0:01:24.082578833  9490     0x46891cf0 WARN                 basesrc gstbasesrc.c:3055:gst_base_src_loop:<usb-cam-source> error: streaming stopped, reason not-negotiated (-4)
0:01:24.082630083  9490     0x46891cf0 INFO        GST_ERROR_SYSTEM gstelement.c:2145:gst_element_message_full_with_details:<usb-cam-source> posting message: Internal data stream error.
0:01:24.082676750  9490     0x46891cf0 INFO        GST_ERROR_SYSTEM gstelement.c:2172:gst_element_message_full_with_details:<usb-cam-source> posted error message: Internal data stream error.
Error: gst-stream-error-quark: Internal data stream error. (1): gstbasesrc.c(3055): gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2Src:usb-cam-source:
streaming stopped, reason not-negotiated (-4)
0:01:24.091844098  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nv3d-sink> current PAUSED pending VOID_PENDING, desired next READY
0:01:24.092045976  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nv3d-sink> completed state change to READY
0:01:24.092063997  9490     0x46891cf0 INFO                    task gsttask.c:316:gst_task_func:<usb-cam-source:src> Task going to paused
0:01:24.092124987  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nv3d-sink> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.092198686  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nv3d-sink' changed state to 2(READY) successfully
0:01:24.092248374  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<onscreendisplay> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.092292489  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<onscreendisplay> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.092330406  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<onscreendisplay> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.092373323  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<onscreendisplay> continue state change PAUSED to READY, final READY
0:01:24.092919684  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<onscreendisplay> completed state change to READY
0:01:24.093001612  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<onscreendisplay> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.093073384  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'onscreendisplay' changed state to 2(READY) successfully
0:01:24.093138957  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.093208542  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<convertor> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.093241407  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.093280574  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<convertor> continue state change PAUSED to READY, final READY
0:01:24.093330053  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor> completed state change to READY
0:01:24.093361512  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.093397658  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor' changed state to 2(READY) successfully
0:01:24.093433909  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<primary-inference> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.093464586  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<primary-inference> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.093489587  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<primary-inference> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.093521931  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<primary-inference> continue state change PAUSED to READY, final READY
0:01:24.100902278  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<primary-inference> completed state change to READY
0:01:24.100962331  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<primary-inference> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.101023165  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'primary-inference' changed state to 2(READY) successfully
0:01:24.101122281  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<Stream-muxer> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.101241345  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<Stream-muxer> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.101359836  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<Stream-muxer> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.101421816  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<Stream-muxer> continue state change PAUSED to READY, final READY
0:01:24.101689371  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<Stream-muxer> completed state change to READY
0:01:24.101743122  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<Stream-muxer> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.101784945  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'Stream-muxer' changed state to 2(READY) successfully
0:01:24.101827706  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nvmm_caps> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.101899061  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<nvmm_caps> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.101967916  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nvmm_caps> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.102058490  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<nvmm_caps> continue state change PAUSED to READY, final READY
0:01:24.102107501  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nvmm_caps> completed state change to READY
0:01:24.102171356  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nvmm_caps> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.102204221  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nvmm_caps' changed state to 2(READY) successfully
0:01:24.102239326  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src2> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.102273440  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<convertor_src2> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.102297972  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src2> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.102330264  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<convertor_src2> continue state change PAUSED to READY, final READY
0:01:24.102374588  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src2> completed state change to READY
0:01:24.102400838  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src2> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.102434901  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src2' changed state to 2(READY) successfully
0:01:24.102469901  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src1> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.102497766  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<convertor_src1> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.102523600  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src1> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.102552402  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<convertor_src1> continue state change PAUSED to READY, final READY
0:01:24.102613236  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src1> completed state change to READY
0:01:24.102654435  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src1> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.102702508  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src1' changed state to 2(READY) successfully
0:01:24.102740165  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<v4l2src_caps> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.102768342  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<v4l2src_caps> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.102791988  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<v4l2src_caps> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.102824749  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<v4l2src_caps> continue state change PAUSED to READY, final READY
0:01:24.102862510  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<v4l2src_caps> completed state change to READY
0:01:24.102887146  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<v4l2src_caps> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.102920219  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'v4l2src_caps' changed state to 2(READY) successfully
0:01:24.102948344  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<usb-cam-source> current PLAYING pending VOID_PENDING, desired next READY
0:01:24.102974230  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<usb-cam-source> committing state from PLAYING to PAUSED, pending READY, next READY
0:01:24.103015324  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<usb-cam-source> notifying about state-changed PLAYING to PAUSED (READY pending)
0:01:24.103044543  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<usb-cam-source> continue state change PAUSED to READY, final READY
0:01:24.105628845  9490     0x46891cf0 INFO                    task gsttask.c:318:gst_task_func:<usb-cam-source:src> Task resume from paused
0:01:24.105730721  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<usb-cam-source> completed state change to READY
0:01:24.105764784  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<usb-cam-source> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:01:24.105804836  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'usb-cam-source' changed state to 2(READY) successfully
0:01:24.105848899  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2651:gst_element_continue_state:<pipeline0> committing state from PAUSED to READY, pending NULL, next NULL
0:01:24.105877754  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed PAUSED to READY (NULL pending)
0:01:24.105912390  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2658:gst_element_continue_state:<pipeline0> continue state change READY to NULL, final NULL
0:01:24.105978120  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nv3d-sink> current READY pending VOID_PENDING, desired next NULL
0:01:24.108449607  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nv3d-sink> completed state change to NULL
0:01:24.108526223  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nv3d-sink> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.108590651  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nv3d-sink' changed state to 1(NULL) successfully
0:01:24.108647422  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<onscreendisplay> current READY pending VOID_PENDING, desired next NULL
0:01:24.108697266  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<onscreendisplay> completed state change to NULL
0:01:24.108727423  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<onscreendisplay> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.108767111  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'onscreendisplay' changed state to 1(NULL) successfully
0:01:24.108806018  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor> current READY pending VOID_PENDING, desired next NULL
0:01:24.108842372  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor> completed state change to NULL
0:01:24.108871019  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.108903779  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor' changed state to 1(NULL) successfully
0:01:24.108937790  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<primary-inference> current READY pending VOID_PENDING, desired next NULL
0:01:24.108967999  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<primary-inference> completed state change to NULL
0:01:24.108995551  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<primary-inference> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.109037427  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'primary-inference' changed state to 1(NULL) successfully
0:01:24.109086334  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<Stream-muxer> current READY pending VOID_PENDING, desired next NULL
0:01:24.109340660  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<Stream-muxer> completed state change to NULL
0:01:24.109412171  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<Stream-muxer> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.109459880  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'Stream-muxer' changed state to 1(NULL) successfully
0:01:24.109497693  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<nvmm_caps> current READY pending VOID_PENDING, desired next NULL
0:01:24.109532797  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<nvmm_caps> completed state change to NULL
0:01:24.109560141  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<nvmm_caps> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.109595871  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'nvmm_caps' changed state to 1(NULL) successfully
0:01:24.109624934  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src2> current READY pending VOID_PENDING, desired next NULL
0:01:24.109660455  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src2> completed state change to NULL
0:01:24.109686966  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src2> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.109722435  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src2' changed state to 1(NULL) successfully
0:01:24.109757123  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<convertor_src1> current READY pending VOID_PENDING, desired next NULL
0:01:24.109790248  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<convertor_src1> completed state change to NULL
0:01:24.109817644  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<convertor_src1> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.109854728  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'convertor_src1' changed state to 1(NULL) successfully
0:01:24.109890458  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<v4l2src_caps> current READY pending VOID_PENDING, desired next NULL
0:01:24.109924260  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<v4l2src_caps> completed state change to NULL
0:01:24.109951656  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<v4l2src_caps> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.110062803  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'v4l2src_caps' changed state to 1(NULL) successfully
0:01:24.110102387  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2506:gst_bin_element_set_state:<usb-cam-source> current READY pending VOID_PENDING, desired next NULL
0:01:24.110162805  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<usb-cam-source> completed state change to NULL
0:01:24.110190565  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<usb-cam-source> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.110225878  9490      0xe6b4ca0 INFO              GST_STATES gstbin.c:2954:gst_bin_change_state_func:<pipeline0> child 'usb-cam-source' changed state to 1(NULL) successfully
0:01:24.110352026  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2676:gst_element_continue_state:<pipeline0> completed state change to NULL
0:01:24.110386870  9490      0xe6b4ca0 INFO              GST_STATES gstelement.c:2579:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed READY to NULL (VOID_PENDING pending)
0:01:24.110505205  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking onscreendisplay:src(0xee485a0) and nv3d-sink:sink(0xee487f0)
0:01:24.110551611  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked onscreendisplay:src and nv3d-sink:sink
0:01:24.110590726  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "nv3d-sink"
0:01:24.110644685  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking convertor:src(0xee48100) and onscreendisplay:sink(0xee48350)
0:01:24.110679113  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked convertor:src and onscreendisplay:sink
0:01:24.110715259  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "onscreendisplay"
0:01:24.110760364  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking primary-inference:src(0xea939b0) and convertor:sink(0xea93c00)
0:01:24.110795833  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked primary-inference:src and convertor:sink
0:01:24.110832083  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "convertor"
0:01:24.110874480  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking Stream-muxer:src(0xea93510) and primary-inference:sink(0xea93760)
0:01:24.110914064  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked Stream-muxer:src and primary-inference:sink
0:01:24.110947241  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "primary-inference"
0:01:24.110990002  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking nvmm_caps:src(0xea932c0) and Stream-muxer:sink_0(0xee48a40)
0:01:24.111026200  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked nvmm_caps:src and Stream-muxer:sink_0
0:01:24.111060992  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "Stream-muxer"
0:01:24.111102607  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking convertor_src2:src(0xea92e20) and nvmm_caps:sink(0xea93070)
0:01:24.111136254  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked convertor_src2:src and nvmm_caps:sink
0:01:24.111168910  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "nvmm_caps"
0:01:24.111208702  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking convertor_src1:src(0xea92980) and convertor_src2:sink(0xea92bd0)
0:01:24.111241463  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked convertor_src1:src and convertor_src2:sink
0:01:24.111275526  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "convertor_src2"
0:01:24.111314068  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking v4l2src_caps:src(0xea924e0) and convertor_src1:sink(0xea92730)
0:01:24.111346829  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked v4l2src_caps:src and convertor_src1:sink
0:01:24.111379538  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "convertor_src1"
0:01:24.111418132  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2134:gst_pad_unlink: unlinking usb-cam-source:src(0xea92040) and v4l2src_caps:sink(0xea92290)
0:01:24.111450893  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstpad.c:2188:gst_pad_unlink: unlinked usb-cam-source:src and v4l2src_caps:sink
0:01:24.111483185  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "v4l2src_caps"
0:01:24.111523342  9490      0xe6b4ca0 INFO           GST_PARENTAGE gstbin.c:1801:gst_bin_remove_func:<pipeline0> removed child "usb-cam-source"
0:01:24.111558342  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<pipeline0> 0xea801b0 dispose
0:01:24.111583863  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<pipeline0> 0xea801b0 parent class dispose
0:01:24.111608447  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<pipeline0> 0xea801b0 finalize
0:01:24.111632718  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<pipeline0> 0xea801b0 finalize parent
0:01:24.111669541  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<usb-cam-source> 0xea901f0 dispose
0:01:24.111694594  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<usb-cam-source> removing pad 'src'
0:01:24.111727615  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<usb-cam-source> 0xea901f0 parent class dispose
0:01:24.111758917  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<usb-cam-source> 0xea901f0 finalize
0:01:24.111782928  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<usb-cam-source> 0xea901f0 finalize parent
0:01:24.111820949  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<v4l2src_caps> 0xea9c1b0 dispose
0:01:24.111848866  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<v4l2src_caps> removing pad 'sink'
0:01:24.111892096  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<v4l2src_caps> removing pad 'src'
0:01:24.111924232  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<v4l2src_caps> 0xea9c1b0 parent class dispose
0:01:24.111945378  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<v4l2src_caps> 0xea9c1b0 finalize
0:01:24.111967618  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<v4l2src_caps> 0xea9c1b0 finalize parent
0:01:24.112001212  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<convertor_src1> 0xeaa50d0 dispose
0:01:24.112027358  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<convertor_src1> removing pad 'sink'
0:01:24.112056942  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<convertor_src1> removing pad 'src'
0:01:24.112094234  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<convertor_src1> 0xeaa50d0 parent class dispose
0:01:24.112121422  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<convertor_src1> 0xeaa50d0 finalize
0:01:24.112144234  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<convertor_src1> 0xeaa50d0 finalize parent
0:01:24.112174235  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<convertor_src2> 0xeb4ab30 dispose
0:01:24.112197464  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<convertor_src2> removing pad 'sink'
0:01:24.112224652  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<convertor_src2> removing pad 'src'
0:01:24.112259340  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<convertor_src2> 0xeb4ab30 parent class dispose
0:01:24.112286476  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<convertor_src2> 0xeb4ab30 finalize
0:01:24.112309080  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<convertor_src2> 0xeb4ab30 finalize parent
0:01:24.112341060  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<nvmm_caps> 0xea9c4f0 dispose
0:01:24.112363560  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<nvmm_caps> removing pad 'sink'
0:01:24.112391008  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<nvmm_caps> removing pad 'src'
0:01:24.112416217  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<nvmm_caps> 0xea9c4f0 parent class dispose
0:01:24.112439030  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<nvmm_caps> 0xea9c4f0 finalize
0:01:24.112460592  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<nvmm_caps> 0xea9c4f0 finalize parent
0:01:24.112487624  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<Stream-muxer> 0xeb50070 dispose
0:01:24.112518926  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<Stream-muxer> removing pad 'sink_0'
0:01:24.112546062  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<Stream-muxer> removing pad 'src'
0:01:24.112579083  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<Stream-muxer> 0xeb50070 parent class dispose
0:01:24.112602573  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<Stream-muxer> 0xeb50070 finalize
0:01:24.112624188  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<Stream-muxer> 0xeb50070 finalize parent
0:01:24.112652522  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<primary-inference> 0xee3a0d0 dispose
0:01:24.112674084  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<primary-inference> removing pad 'sink'
0:01:24.112701481  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<primary-inference> removing pad 'src'
0:01:24.112732158  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<primary-inference> 0xee3a0d0 parent class dispose
0:01:24.112768044  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<primary-inference> 0xee3a0d0 finalize
0:01:24.112792940  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<primary-inference> 0xee3a0d0 finalize parent
0:01:24.112825128  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<convertor> 0xee46e70 dispose
0:01:24.112848201  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<convertor> removing pad 'sink'
0:01:24.112876743  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<convertor> removing pad 'src'
0:01:24.112906431  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<convertor> 0xee46e70 parent class dispose
0:01:24.112930546  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<convertor> 0xee46e70 finalize
0:01:24.112952629  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<convertor> 0xee46e70 finalize parent
0:01:24.112981692  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<onscreendisplay> 0xee4f0d0 dispose
0:01:24.113003932  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<onscreendisplay> removing pad 'sink'
0:01:24.113030859  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<onscreendisplay> removing pad 'src'
0:01:24.113064506  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<onscreendisplay> 0xee4f0d0 parent class dispose
0:01:24.113182997  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<onscreendisplay> 0xee4f0d0 finalize
0:01:24.113211643  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<onscreendisplay> 0xee4f0d0 finalize parent
0:01:24.113249925  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3251:gst_element_dispose:<nv3d-sink> 0xef11ea0 dispose
0:01:24.113275237  9490      0xe6b4ca0 INFO        GST_ELEMENT_PADS gstelement.c:789:gst_element_remove_pad:<nv3d-sink> removing pad 'sink'
0:01:24.113308936  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3297:gst_element_dispose:<nv3d-sink> 0xef11ea0 parent class dispose
0:01:24.113338571  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3328:gst_element_finalize:<nv3d-sink> 0xef11ea0 finalize
0:01:24.113361176  9490      0xe6b4ca0 INFO         GST_REFCOUNTING gstelement.c:3334:gst_element_finalize:<nv3d-sink> 0xef11ea0 finalize parent

edit:
I tried this solution in the same app but got this o/p:

/opt/nvidia/deepstream/deepstream-6.0/sources/deepstream_python_apps/apps/deepstream-test1-usbcam$ python3 deepstream_test_1_usb.py /dev/video0
Creating Pipeline 
 
Creating Source 
 
Creating Video Converter 

Creating nv3dsink 

Playing cam /dev/video0 
Traceback (most recent call last):
  File "deepstream_test_1_usb.py", line 280, in <module>
    sys.exit(main(sys.argv))
  File "deepstream_test_1_usb.py", line 212, in main
    source.set_property('device', args[1])
TypeError: object of type `GstNvArgusCameraSrc' does not have property `device'

deepstream_test_1_usb.py is used for v4l2src and argus camera is for special interface.
pls don’t use the solution

you can try this solution for the deepstream_test_1_usb.py

It looks like the steam format of v4l2src is not supported

If native code works well,Can you provide the sample code of the c api?

I use this solution with this code copying the sgie and pgie files of the this folder to this.

can you share the sample code which you are currently using
and what type of camera are you currently using ? usb or argus

the nvarguscamerasrc don’t support the device property,it’s only for v4l2src
you can got the properties use
gst-inspect-1.0 nvarguscamerasrc

and you can try
gst-launch-1.0 nvarguscamerasrc ! nvv4l2h264enc ! queue ! filesink location=out.h264
make sure the argus camera can work fine

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

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