Difference between revisions of "GstCUDA - Example - opencvwarp"
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== Examples == | == Examples == | ||
| + | The following two examples will provide an introduction to the element and its capabilities. Both examples were tested on both '''Nvidia Jetson TX1''' and '''TX2''' connected to a display via HDMI and using a webcam as input video source. | ||
=== Demo example === | === Demo example === | ||
Revision as of 10:13, 4 September 2020
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This page is under construction.
Introduction
Examples
The following two examples will provide an introduction to the element and its capabilities. Both examples were tested on both Nvidia Jetson TX1 and TX2 connected to a display via HDMI and using a webcam as input video source.
Demo example
This example is meant to show the element capabilities. The image will be rotated in three-dimensional space and projected back to the image plane.
By running the following pipeline:
gst-launch-1.0 v4l2src ! nvvidconv ! opencvwarp demo=true ! queue ! nvvidconv ! autovideosink
you should get the result shown in the following image.
Custom example
Element properties
- name
Name of the object.
Type: String
Flags: readable, writable
Default: "opencvwarp0"
- parent
The parent of the object.
Type: GstObject
Flags: readable, writable
- qos
Handle Quality-of-Service events.
Type: Boolean
Flags: readable, writable
Default: false
- m00
Coefficient 0,0 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 1
- m01
Coefficient 0,1 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 0
- m02
Coefficient 0,2 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 0
- m10
Coefficient 1,0 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 0
- m11
Coefficient 1,1 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 1
- m12
Coefficient 1,2 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 0
- m20
Coefficient 2,0 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 0
- m21
Coefficient 2,1 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 0
- m22
Coefficient 2,2 (row, column) of the transform matrix.
Type: Double
Range: -1,797693e+308 - 1,797693e+308
Flags: readable, writable
Default: 1
- demo
Put the element in demo mode to showcase it's capabilities. In this mode the incoming image will be rotated in the 3D space and projected back to the image plane. Will override the transformation matrix.
Type: Boolean
Flags: readable, writable
Default: false
