..
   Copyright (c) 2021-2022, NVIDIA CORPORATION. All rights reserved.
   NVIDIA CORPORATION and its licensors retain all intellectual property
   and proprietary rights in and to this software, related documentation
   and any modifications thereto. Any use, reproduction, disclosure or
   distribution of this software and related documentation without an express
   license agreement from NVIDIA CORPORATION is strictly prohibited.

NvDsOpticalFlowExt
--------------------
NVIDIA DeepStream OpticalFlow components.

* UUID: 814ef803-7b37-4a3d-8b95-5fc483824712
* Version: 1.0.0
* Author: NVIDIA
* License: Proprietary

Components
~~~~~~~~~~~~

nvidia::deepstream::NvDsOpticalFlow
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

``Gstreamer`` NV Optical Flow Plugin.

* Component ID: 6666f63f-219c-347f-b5a6-b944e329dc10
* Base Type: nvidia::deepstream::INvDsElement

Parameters
++++++++++++

**dump-of-meta**

Dump Optical Flow Meta.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_BOOL
* Default: False

|

**gpu-id**

Set GPU Device ID.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_UINT64
* Default: 0

|

**grid-size**

Type of Grid Size.

Valid values:

  0: NVOF_GRID_SIZE_4x4

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_INT64
* Default: 0

|

**pool-size**

Size of optical flow memory pool.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_UINT64
* Default: 7

|

**preset-level**

Type of Preset Levels.

Valid values:

  0: NV_OF_PERF_LEVEL_FAST

  1: NV_OF_PERF_LEVEL_MEDIUM

  2: NV_OF_PERF_LEVEL_SLOW

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_INT64
* Default: 0

|

**qos**

Handle Quality-of-Service events.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_BOOL
* Default: False

|

**video-in**

Handle to an ``nvidia::deepstream::NvDsStaticInput`` component. Supported formats - ``video(NV12)``.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_HANDLE
* Handle Type: nvidia::deepstream::NvDsStaticInput

|

**video-out**

Handle to an ``nvidia::deepstream::NvDsStaticOutput`` component. Supported formats - ``video(NV12)``.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_HANDLE
* Handle Type: nvidia::deepstream::NvDsStaticOutput

nvidia::deepstream::NvDsOpticalFlowVisual
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

``Gstreamer`` NV Optical Flow Visualization Plugin.

* Component ID: ab8b128c-98fe-3621-84f7-c8b26fa4736d
* Base Type: nvidia::deepstream::INvDsElement

Parameters
++++++++++++

**gpu-id**

Set GPU Device ID.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_UINT64
* Default: 0

|

**video-in**

Handle to an ``nvidia::deepstream::NvDsStaticInput`` component. Supported formats - ``video(NV12, RGBA)``.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_HANDLE
* Handle Type: nvidia::deepstream::NvDsStaticInput

|

**video-out**

Handle to an ``nvidia::deepstream::NvDsStaticOutput`` component. Supported formats - ``video(RGBA)``.

* Flags: GXF_PARAMETER_FLAGS_OPTIONAL
* Type: GXF_PARAMETER_TYPE_HANDLE
* Handle Type: nvidia::deepstream::NvDsStaticOutput