Description

The USB Camera Capture sample captures video input from USB cameras, and displays the output in an opened window. This sample is compatible with Linux and NVIDIA DRIVE^™ platforms.

Running the Sample

A camera must be connected to a USB port. The USB Camera Capture sample, sample_camera_usb, accepts the following parameters:

./sample_camera_usb --device=[integer]
                    --mode=[a|b|integer]
                    --record-file=[path/to/output/file]

Where:

--device=[integer]
        Is the device ID of the camera.
        Default value: 0

--mode=[a|b|integer]
        Applicable for generic camera only. Specifies
        a method for selecting capture settings:
        `a`: choose mode with maximum resolution
        `b`: choose mode with maximum fps
        integer number: choose mode by index
        Default value: 0

--record-file=[path/to/output/file]
        Specifies the path to the captured video.
        This option is only available on x86.
        Default value: none

Examples

To test the first camera present on the system

./sample_camera_usb

To test the third camera present on the system

./sample_camera_usb --device=2

Output

The sample opens a window displaying the input from the camera.

Single consumer-grade USB camera capturing input

Additional information

For more details see Camera.

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