GStreamer Pan Tilt Zoom and Rotate Element - Demo Tool
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The demo tool is a Python script called ptzr_test located in the tests/examples directory. It can be used to demonstrate and test the different transformations that are possible using the GStreamer PTZR element.
Contents
ptzr_test
The ptzr_test script uses Ridgerun's GStreamer Daemon (gstd) to create a pipeline that can be used to demo the features of GstPTZR. If gstd is not running, it will try to start it.
It will create a pipeline with the name p0 with a GstPTZR element with the name ptzr0. The basic pipeline that will be created will use autovideosrc to pick the first available video source (a webcam, if available; a videotestsrc if not), with some basic caps. If a pipeline with those characteristics already exists, it will use it.
It will allow the user to manipulate the different properties of the GstPTZR element in a number of different ways, according to the mode that is selected.
To start the script, run it directly in your console:
user@host:~/gst-ptzr$ tests/examples/ptzr_test
Modes of operation
The demo tool can be used in a number of different configurations, according to the application. This section describes the different modes and the ways to interact with the element in each mode.
Interactive
Interactive mode is the default mode. It can be started explicitly by using:
user@host:~/gst-ptzr$ tests/examples/ptzr_test -i
It will show a curses UI with all the information you need to control the GstPTZR element.
Command line
TBD
Demo
TBD
Script
TBD
Other options
Debug mode
TBD
Loop
TBD
Compatibility
ptzr_test has been tested with Python 2.7 and 3.5. If any compatibility issues arise, please report them.
It requires the following Python libraries:
cmd curses psutil
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