How can I determine whether X11 is running? # Use this option if message has sensor name as id instead of index (0,1,2 etc.). On Jetson platform, I get same output when multiple Jpeg images are fed to nvv4l2decoder using multifilesrc plugin. To enable smart record in deepstream-test5-app set the following under [sourceX] group: smart-record=<1/2> How can I specify RTSP streaming of DeepStream output? Nothing to do, NvDsBatchMeta not found for input buffer error while running DeepStream pipeline, The DeepStream reference application fails to launch, or any plugin fails to load, Errors occur when deepstream-app is run with a number of streams greater than 100, After removing all the sources from the pipeline crash is seen if muxer and tiler are present in the pipeline, Some RGB video format pipelines worked before DeepStream 6.1 onwards on Jetson but dont work now, UYVP video format pipeline doesnt work on Jetson, Memory usage keeps on increasing when the source is a long duration containerized files(e.g. KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR, KAFKA_CONFLUENT_LICENSE_TOPIC_REPLICATION_FACTOR, KAFKA_CONFLUENT_BALANCER_TOPIC_REPLICATION_FACTOR, CONFLUENT_METRICS_REPORTER_BOOTSTRAP_SERVERS, CONFLUENT_METRICS_REPORTER_TOPIC_REPLICAS, 3. Smart-rec-container=<0/1> There are two ways in which smart record events can be generated either through local events or through cloud messages. Does DeepStream Support 10 Bit Video streams? See the C/C++ Sample Apps Source Details and Python Sample Apps and Bindings Source Details sections to learn more about the available apps. Why do some caffemodels fail to build after upgrading to DeepStream 6.0? How to find out the maximum number of streams supported on given platform? Each NetFlow record . DeepStream Reference Application - deepstream-app DeepStream 6.1.1 Release documentation. Details are available in the Readme First section of this document. The increasing number of IoT devices in "smart" environments, such as homes, offices, and cities, produce seemingly endless data streams and drive many daily decisions. Container Contents Developers can start with deepstream-test1 which is almost like a DeepStream hello world. When deepstream-app is run in loop on Jetson AGX Xavier using while true; do deepstream-app -c ; done;, after a few iterations I see low FPS for certain iterations. What is maximum duration of data I can cache as history for smart record? How to handle operations not supported by Triton Inference Server? Smart video recording (SVR) is an event-based recording that a portion of video is recorded in parallel to DeepStream pipeline based on objects of interests or specific rules for recording. Prefix of file name for generated stream. For example, the record starts when theres an object being detected in the visual field. Unable to start the composer in deepstream development docker. Why does the RTSP source used in gst-launch pipeline through uridecodebin show blank screen followed by the error -. Why is a Gst-nvegltransform plugin required on a Jetson platform upstream from Gst-nveglglessink? In the deepstream-test5-app, to demonstrate the use case smart record Start / Stop events are generated every interval second. What are different Memory types supported on Jetson and dGPU? Using records Records are requested using client.record.getRecord (name). My DeepStream performance is lower than expected. On Jetson platform, I observe lower FPS output when screen goes idle. Any data that is needed during callback function can be passed as userData. Records are the main building blocks of deepstream's data-sync capabilities. For creating visualization artifacts such as bounding boxes, segmentation masks, labels there is a visualization plugin called Gst-nvdsosd. Dieser Button zeigt den derzeit ausgewhlten Suchtyp an. This recording happens in parallel to the inference pipeline running over the feed. Does smart record module work with local video streams? Creating records It uses same caching parameters and implementation as video. Last updated on Feb 02, 2023. Can Gst-nvinferserver support inference on multiple GPUs? Configure DeepStream application to produce events, 4. What are the recommended values for. The following minimum json message from the server is expected to trigger the Start/Stop of smart record. At the bottom are the different hardware engines that are utilized throughout the application. Do I need to add a callback function or something else? Why do I encounter such error while running Deepstream pipeline memory type configured and i/p buffer mismatch ip_surf 0 muxer 3? In the list of local_copy_files, if src is a folder, Any difference for dst ends with / or not? How can I interpret frames per second (FPS) display information on console? What if I do not get expected 30 FPS from camera using v4l2src plugin in pipeline but instead get 15 FPS or less than 30 FPS? Why does the deepstream-nvof-test application show the error message Device Does NOT support Optical Flow Functionality if run with NVIDIA Tesla P4 or NVIDIA Jetson Nano, Jetson TX2, or Jetson TX1? Why am I getting following waring when running deepstream app for first time? How to enable TensorRT optimization for Tensorflow and ONNX models? It expects encoded frames which will be muxed and saved to the file. What is the official DeepStream Docker image and where do I get it? Recording also can be triggered by JSON messages received from the cloud. Object tracking is performed using the Gst-nvtracker plugin. What if I dont set default duration for smart record? On AGX Xavier, we first find the deepstream-app-test5 directory and create the sample application: If you are not sure which CUDA_VER you have, check */usr/local/*. How can I interpret frames per second (FPS) display information on console? How can I get more information on why the operation failed? This function releases the resources previously allocated by NvDsSRCreate(). Uncategorized. Why is that? In existing deepstream-test5-app only RTSP sources are enabled for smart record. Why am I getting ImportError: No module named google.protobuf.internal when running convert_to_uff.py on Jetson AGX Xavier? Smart-rec-container=<0/1> What is the difference between batch-size of nvstreammux and nvinfer? There are two ways in which smart record events can be generated - either through local events or through cloud messages. A callback function can be setup to get the information of recorded audio/video once recording stops. This paper presents DeepStream, a novel data stream temporal clustering algorithm that dynamically detects sequential and overlapping clusters. Observing video and/or audio stutter (low framerate), 2. Can I stop it before that duration ends? My DeepStream performance is lower than expected. On Jetson platform, I get same output when multiple Jpeg images are fed to nvv4l2decoder using multifilesrc plugin. Therefore, a total of startTime + duration seconds of data will be recorded. You may use other devices (e.g. With a lightning-fast response time - that's always free of charge -our customer success team goes above and beyond to make sure our clients have the best RFx experience possible . DeepStream builds on top of several NVIDIA libraries from the CUDA-X stack such as CUDA, TensorRT, NVIDIA Triton Inference server and multimedia libraries. All the individual blocks are various plugins that are used. That means smart record Start/Stop events are generated every 10 seconds through local events. Copyright 2023, NVIDIA. Copyright 2020-2021, NVIDIA. Whats the throughput of H.264 and H.265 decode on dGPU (Tesla)? What is batch-size differences for a single model in different config files (, Create Container Image from Graph Composer, Generate an extension for GXF wrapper of GstElement, Extension and component factory registration boilerplate, Implementation of INvDsInPlaceDataHandler, Implementation of an Configuration Provider component, DeepStream Domain Component - INvDsComponent, Probe Callback Implementation - INvDsInPlaceDataHandler, Element Property Controller INvDsPropertyController, Configurations INvDsConfigComponent template and specializations, INvDsVideoTemplatePluginConfigComponent / INvDsAudioTemplatePluginConfigComponent, Set the root folder for searching YAML files during loading, Starts the execution of the graph asynchronously, Waits for the graph to complete execution, Runs all System components and waits for their completion, Get unique identifier of the entity of given component, Get description and list of components in loaded Extension, Get description and list of parameters of Component, nvidia::gxf::DownstreamReceptiveSchedulingTerm, nvidia::gxf::MessageAvailableSchedulingTerm, nvidia::gxf::MultiMessageAvailableSchedulingTerm, nvidia::gxf::ExpiringMessageAvailableSchedulingTerm, nvidia::triton::TritonInferencerInterface, nvidia::triton::TritonRequestReceptiveSchedulingTerm, nvidia::deepstream::NvDs3dDataDepthInfoLogger, nvidia::deepstream::NvDs3dDataColorInfoLogger, nvidia::deepstream::NvDs3dDataPointCloudInfoLogger, nvidia::deepstream::NvDsActionRecognition2D, nvidia::deepstream::NvDsActionRecognition3D, nvidia::deepstream::NvDsMultiSrcConnection, nvidia::deepstream::NvDsGxfObjectDataTranslator, nvidia::deepstream::NvDsGxfAudioClassificationDataTranslator, nvidia::deepstream::NvDsGxfOpticalFlowDataTranslator, nvidia::deepstream::NvDsGxfSegmentationDataTranslator, nvidia::deepstream::NvDsGxfInferTensorDataTranslator, nvidia::BodyPose2D::NvDsGxfBodypose2dDataTranslator, nvidia::deepstream::NvDsMsgRelayTransmitter, nvidia::deepstream::NvDsMsgBrokerC2DReceiver, nvidia::deepstream::NvDsMsgBrokerD2CTransmitter, nvidia::FacialLandmarks::FacialLandmarksPgieModel, nvidia::FacialLandmarks::FacialLandmarksSgieModel, nvidia::FacialLandmarks::FacialLandmarksSgieModelV2, nvidia::FacialLandmarks::NvDsGxfFacialLandmarksTranslator, nvidia::HeartRate::NvDsHeartRateTemplateLib, nvidia::HeartRate::NvDsGxfHeartRateDataTranslator, nvidia::deepstream::NvDsModelUpdatedSignal, nvidia::deepstream::NvDsInferVideoPropertyController, nvidia::deepstream::NvDsLatencyMeasurement, nvidia::deepstream::NvDsAudioClassificationPrint, nvidia::deepstream::NvDsPerClassObjectCounting, nvidia::deepstream::NvDsModelEngineWatchOTFTrigger, nvidia::deepstream::NvDsRoiClassificationResultParse, nvidia::deepstream::INvDsInPlaceDataHandler, nvidia::deepstream::INvDsPropertyController, nvidia::deepstream::INvDsAudioTemplatePluginConfigComponent, nvidia::deepstream::INvDsVideoTemplatePluginConfigComponent, nvidia::deepstream::INvDsInferModelConfigComponent, nvidia::deepstream::INvDsGxfDataTranslator, nvidia::deepstream::NvDsOpticalFlowVisual, nvidia::deepstream::NvDsVideoRendererPropertyController, nvidia::deepstream::NvDsSampleProbeMessageMetaCreation, nvidia::deepstream::NvDsSampleSourceManipulator, nvidia::deepstream::NvDsSampleVideoTemplateLib, nvidia::deepstream::NvDsSampleAudioTemplateLib, nvidia::deepstream::NvDsSampleC2DSmartRecordTrigger, nvidia::deepstream::NvDsSampleD2C_SRMsgGenerator, nvidia::deepstream::NvDsResnet10_4ClassDetectorModel, nvidia::deepstream::NvDsSecondaryCarColorClassifierModel, nvidia::deepstream::NvDsSecondaryCarMakeClassifierModel, nvidia::deepstream::NvDsSecondaryVehicleTypeClassifierModel, nvidia::deepstream::NvDsSonyCAudioClassifierModel, nvidia::deepstream::NvDsCarDetector360dModel, nvidia::deepstream::NvDsSourceManipulationAction, nvidia::deepstream::NvDsMultiSourceSmartRecordAction, nvidia::deepstream::NvDsMultiSrcWarpedInput, nvidia::deepstream::NvDsMultiSrcInputWithRecord, nvidia::deepstream::NvDsOSDPropertyController, nvidia::deepstream::NvDsTilerEventHandler, Setting up a Connection from an Input to an Output, A Basic Example of Container Builder Configuration, Container builder main control section specification, Container dockerfile stage section specification. Following are the default values of configuration parameters: Following fields can be used under [sourceX] groups to configure these parameters. , awarded WBR. MP4 and MKV containers are supported. World Book of Record Winner December 2020, Claim: Maximum number of textbooks published with ISBN number with a minimum period during COVID -19 lockdown period in India (between April 11, 2020, and July 01, 2020). Can Gst-nvinfereserver (DeepSream Triton plugin) run on Nano platform? How does secondary GIE crop and resize objects? The DeepStream reference application is a GStreamer based solution and consists of set of GStreamer plugins encapsulating low-level APIs to form a complete graph. #sensor-list-file=dstest5_msgconv_sample_config.txt, Install librdkafka (to enable Kafka protocol adaptor for message broker), Run deepstream-app (the reference application), Remove all previous DeepStream installations, Run the deepstream-app (the reference application), dGPU Setup for RedHat Enterprise Linux (RHEL), DeepStream Triton Inference Server Usage Guidelines, DeepStream Reference Application - deepstream-app, Expected Output for the DeepStream Reference Application (deepstream-app), DeepStream Reference Application - deepstream-test5 app, IoT Protocols supported and cloud configuration, DeepStream Reference Application - deepstream-audio app, ONNX Parser replace instructions (x86 only), DeepStream Reference Application on GitHub, Implementing a Custom GStreamer Plugin with OpenCV Integration Example, Description of the Sample Plugin: gst-dsexample, Enabling and configuring the sample plugin, Using the sample plugin in a custom application/pipeline, Implementing Custom Logic Within the Sample Plugin, Custom YOLO Model in the DeepStream YOLO App, IModelParser Interface for Custom Model Parsing, Configure TLS options in Kafka config file for DeepStream, Choosing Between 2-way TLS and SASL/Plain, Application Migration to DeepStream 5.0 from DeepStream 4.X, Major Application Differences with DeepStream 4.X, Running DeepStream 4.x compiled Apps in DeepStream 5.0, Compiling DeepStream 4.X Apps in DeepStream 5.0, User/Custom Metadata Addition inside NvDsBatchMeta, Adding Custom Meta in Gst Plugins Upstream from Gst-nvstreammux, Adding metadata to the plugin before Gst-nvstreammux, Gst-nvinfer File Configuration Specifications, To read or parse inference raw tensor data of output layers, Gst-nvinferserver File Configuration Specifications, Low-Level Tracker Library Comparisons and Tradeoffs, nvds_msgapi_connect(): Create a Connection, nvds_msgapi_send() and nvds_msgapi_send_async(): Send an event, nvds_msgapi_subscribe(): Consume data by subscribing to topics, nvds_msgapi_do_work(): Incremental Execution of Adapter Logic, nvds_msgapi_disconnect(): Terminate a Connection, nvds_msgapi_getversion(): Get Version Number, nvds_msgapi_get_protocol_name(): Get name of the protocol, nvds_msgapi_connection_signature(): Get Connection signature, Connection Details for the Device Client Adapter, Connection Details for the Module Client Adapter, nv_msgbroker_connect(): Create a Connection, nv_msgbroker_send_async(): Send an event asynchronously, nv_msgbroker_subscribe(): Consume data by subscribing to topics, nv_msgbroker_disconnect(): Terminate a Connection, nv_msgbroker_version(): Get Version Number, You are migrating from DeepStream 4.0+ to DeepStream 5.0, NvDsBatchMeta not found for input buffer error while running DeepStream pipeline, The DeepStream reference application fails to launch, or any plugin fails to load, Application fails to run when the neural network is changed, The DeepStream application is running slowly (Jetson only), The DeepStream application is running slowly, NVIDIA Jetson Nano, deepstream-segmentation-test starts as expected, but crashes after a few minutes rebooting the system, Errors occur when deepstream-app is run with a number of streams greater than 100, Errors occur when deepstream-app fails to load plugin Gst-nvinferserver on dGPU only, Tensorflow models are running into OOM (Out-Of-Memory) problem, Memory usage keeps on increasing when the source is a long duration containerized files(e.g. How to use nvmultiurisrcbin in a pipeline, 3.1 REST API payload definitions and sample curl commands for reference, 3.1.1 ADD a new stream to a DeepStream pipeline, 3.1.2 REMOVE a new stream to a DeepStream pipeline, 4.1 Gst Properties directly configuring nvmultiurisrcbin, 4.2 Gst Properties to configure each instance of nvurisrcbin created inside this bin, 4.3 Gst Properties to configure the instance of nvstreammux created inside this bin, 5.1 nvmultiurisrcbin config recommendations and notes on expected behavior, 3.1 Gst Properties to configure nvurisrcbin, You are migrating from DeepStream 6.0 to DeepStream 6.2, Application fails to run when the neural network is changed, The DeepStream application is running slowly (Jetson only), The DeepStream application is running slowly, Errors occur when deepstream-app fails to load plugin Gst-nvinferserver, Tensorflow models are running into OOM (Out-Of-Memory) problem, Troubleshooting in Tracker Setup and Parameter Tuning, Frequent tracking ID changes although no nearby objects, Frequent tracking ID switches to the nearby objects, Error while running ONNX / Explicit batch dimension networks, My component is not visible in the composer even after registering the extension with registry. How to measure pipeline latency if pipeline contains open source components. What is maximum duration of data I can cache as history for smart record? What is the recipe for creating my own Docker image? Does deepstream Smart Video Record support multi streams? Batching is done using the Gst-nvstreammux plugin. The following minimum json message from the server is expected to trigger the Start/Stop of smart record. Please help to open a new topic if still an issue to support. Based on the event, these cached frames are encapsulated under the chosen container to generate the recorded video. See the deepstream_source_bin.c for more details on using this module. In SafeFac a set of cameras installed on the assembly line are used to captu. Ive already run the program with multi streams input while theres another question Id like to ask. Metadata propagation through nvstreammux and nvstreamdemux. When expanded it provides a list of search options that will switch the search inputs to match the current selection. smart-rec-dir-path= DeepStream applications can be orchestrated on the edge using Kubernetes on GPU. The message format is as follows: Receiving and processing such messages from the cloud is demonstrated in the deepstream-test5 sample application. Gst-nvmsgconv converts the metadata into schema payload and Gst-nvmsgbroker establishes the connection to the cloud and sends the telemetry data. I'll be adding new github Issues for both items, but will leave this issue open until then. Tensor data is the raw tensor output that comes out after inference. How can I know which extensions synchronized to registry cache correspond to a specific repository? What is the difference between batch-size of nvstreammux and nvinfer? Path of directory to save the recorded file. This function creates the instance of smart record and returns the pointer to an allocated NvDsSRContext. DeepStream is only a SDK which provide HW accelerated APIs for video inferencing, video decoding, video processing, etc. GstBin which is the recordbin of NvDsSRContext must be added to the pipeline. See the gst-nvdssr.h header file for more details. To enable smart record in deepstream-test5-app set the following under [sourceX] group: To enable smart record through only cloud messages, set smart-record=1 and configure [message-consumerX] group accordingly. MP4 and MKV containers are supported. userData received in that callback is the one which is passed during NvDsSRStart(). How to use the OSS version of the TensorRT plugins in DeepStream? If you dont have any RTSP cameras, you may pull DeepStream demo container . How can I verify that CUDA was installed correctly? There are deepstream-app sample codes to show how to implement smart recording with multiple streams. Yes, on both accounts. How to find the performance bottleneck in DeepStream? Optimizing nvstreammux config for low-latency vs Compute, 6. How can I run the DeepStream sample application in debug mode? smart-rec-file-prefix= This application is covered in greater detail in the DeepStream Reference Application - deepstream-app chapter. Why do I observe a lot of buffers being dropped when running deepstream-nvdsanalytics-test application on Jetson Nano ? When to start smart recording and when to stop smart recording depend on your design. What is the difference between DeepStream classification and Triton classification? I started the record with a set duration. Abstract This work presents SafeFac, an intelligent camera-based system for managing the safety of factory environments. There are several built-in reference trackers in the SDK, ranging from high performance to high accuracy. # seconds before the current time to start recording. In the main control section, why is the field container_builder required? Lets go back to AGX Xavier for next step. My component is getting registered as an abstract type. Custom broker adapters can be created. Why do some caffemodels fail to build after upgrading to DeepStream 6.2? By default, the current directory is used. How can I verify that CUDA was installed correctly? This button displays the currently selected search type. What if I dont set video cache size for smart record? How do I obtain individual sources after batched inferencing/processing? because when I try deepstream-app with smart-recording configured for 1 source, the behaviour is perfect. smart-rec-duration= How can I interpret frames per second (FPS) display information on console? Does DeepStream Support 10 Bit Video streams? Does DeepStream Support 10 Bit Video streams? How to clean and restart? Read more about DeepStream here. TensorRT accelerates the AI inference on NVIDIA GPU. The source code for this application is available in /opt/nvidia/deepstream/deepstream-6.0/sources/apps/sample_apps/deepstream-app. Sink plugin shall not move asynchronously to PAUSED, 5. Do I need to add a callback function or something else? By default, Smart_Record is the prefix in case this field is not set. Can Gst-nvinfereserver (DeepSream Triton plugin) run on Nano platform? Copyright 2020-2021, NVIDIA. If you set smart-record=2, this will enable smart record through cloud messages as well as local events with default configurations. Ive configured smart-record=2 as the document said, using local event to start or end video-recording. June 29, 2022; medical bills on credit report hipaa violation letter; masajes con aceite de oliva para el cabello . In case duration is set to zero, recording will be stopped after defaultDuration seconds set in NvDsSRCreate(). And once it happens, container builder may return errors again and again. Call NvDsSRDestroy() to free resources allocated by this function. Last updated on Oct 27, 2021. DeepStream is a streaming analytic toolkit to build AI-powered applications. The SDK ships with several simple applications, where developers can learn about basic concepts of DeepStream, constructing a simple pipeline and then progressing to build more complex applications. 5.1 Adding GstMeta to buffers before nvstreammux. smart-rec-video-cache= Smart Video Record DeepStream 6.1.1 Release documentation Changes are persisted and synced across all connected devices in milliseconds. Gst-nvdewarper plugin can dewarp the image from a fisheye or 360 degree camera. DeepStream - Smart Video Recording DeepStream - IoT Edge DeepStream - Demos DeepStream - Common Issues Transfer Learning Toolkit - Getting Started Transfer Learning Toolkit - Specification Files Transfer Learning Toolkit - StreetNet (TLT2) Transfer Learning Toolkit - CovidNet (TLT2) Transfer Learning Toolkit - Classification (TLT2) It will not conflict to any other functions in your application. How to set camera calibration parameters in Dewarper plugin config file? Sink plugin shall not move asynchronously to PAUSED, nvds_msgapi_connect(): Create a Connection, nvds_msgapi_send() and nvds_msgapi_send_async(): Send an event, nvds_msgapi_subscribe(): Consume data by subscribing to topics, nvds_msgapi_do_work(): Incremental Execution of Adapter Logic, nvds_msgapi_disconnect(): Terminate a Connection, nvds_msgapi_getversion(): Get Version Number, nvds_msgapi_get_protocol_name(): Get name of the protocol, nvds_msgapi_connection_signature(): Get Connection signature, Connection Details for the Device Client Adapter, Connection Details for the Module Client Adapter, nv_msgbroker_connect(): Create a Connection, nv_msgbroker_send_async(): Send an event asynchronously, nv_msgbroker_subscribe(): Consume data by subscribing to topics, nv_msgbroker_disconnect(): Terminate a Connection, nv_msgbroker_version(): Get Version Number, DS-Riva ASR Yaml File Configuration Specifications, DS-Riva TTS Yaml File Configuration Specifications, You are migrating from DeepStream 5.x to DeepStream 6.0, NvDsBatchMeta not found for input buffer error while running DeepStream pipeline, The DeepStream reference application fails to launch, or any plugin fails to load, Application fails to run when the neural network is changed, The DeepStream application is running slowly (Jetson only), The DeepStream application is running slowly, NVIDIA Jetson Nano, deepstream-segmentation-test starts as expected, but crashes after a few minutes rebooting the system, Errors occur when deepstream-app is run with a number of streams greater than 100, Errors occur when deepstream-app fails to load plugin Gst-nvinferserver, Tensorflow models are running into OOM (Out-Of-Memory) problem, Memory usage keeps on increasing when the source is a long duration containerized files(e.g. Does Gst-nvinferserver support Triton multiple instance groups? #sensor-list-file=dstest5_msgconv_sample_config.txt, Install librdkafka (to enable Kafka protocol adaptor for message broker), Run deepstream-app (the reference application), Remove all previous DeepStream installations, Run the deepstream-app (the reference application), dGPU Setup for RedHat Enterprise Linux (RHEL), How to visualize the output if the display is not attached to the system, 1 . tensorflow python framework errors impl notfounderror no cpu devices are available in this process What is the difference between batch-size of nvstreammux and nvinfer? Latency Measurement API Usage guide for audio, nvds_msgapi_connect(): Create a Connection, nvds_msgapi_send() and nvds_msgapi_send_async(): Send an event, nvds_msgapi_subscribe(): Consume data by subscribing to topics, nvds_msgapi_do_work(): Incremental Execution of Adapter Logic, nvds_msgapi_disconnect(): Terminate a Connection, nvds_msgapi_getversion(): Get Version Number, nvds_msgapi_get_protocol_name(): Get name of the protocol, nvds_msgapi_connection_signature(): Get Connection signature, Connection Details for the Device Client Adapter, Connection Details for the Module Client Adapter, nv_msgbroker_connect(): Create a Connection, nv_msgbroker_send_async(): Send an event asynchronously, nv_msgbroker_subscribe(): Consume data by subscribing to topics, nv_msgbroker_disconnect(): Terminate a Connection, nv_msgbroker_version(): Get Version Number, DS-Riva ASR Library YAML File Configuration Specifications, DS-Riva TTS Yaml File Configuration Specifications, Gst-nvdspostprocess File Configuration Specifications, Gst-nvds3dfilter properties Specifications, 3.