VisionWorks Toolkit Reference

December 18, 2015 | 1.2 Release

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(L4T R23) NVIDIA GStreamer Camera Capture Sample App

NVIDIA GStreamer Camera Capture Sample user guide.

Introduction

nvx_sample_nvgstcamera_capture demonstrates NVIDIA GStreamer camera access. The sample is tested with the E2146 camera module.

Note
This sample is supported only on Jetson Embedded platforms running L4T R23 OS.

nvx_sample_nvgstcamera_capture is installed in the following directory:

/usr/share/visionworks/sources/samples/nvgstcamera_capture

For the steps to build sample applications, see the Linux: Building and Running Samples and Demos section.

Available Camera modes

Resolution Frames per second
2592x1944 30
2592x1458 30
1280x720 120

Executing the NVIDIA GStreamer Camera Capture Sample

./nvx_sample_nvgstcamera_capture [options]

Command Line Options

This topic provides a list of supported options and the values they consume.

-c, --camera

-r, --resolution

-f, --fps

Note
The actual FPS value may differ from the specified one:
  1. Custom resolutions such as 640x480 cannot be played with FPS higher than 30.
  2. FPS for native resolutions cannot be higher than the native value.

-h, --help

Operational Keys