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

* UUID: 814ef803-7b37-4a3d-8b95-5fc483824712
* Version: 0.0.3
* 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