# GStreamer command-line use cases

Source: [https://docs.qualcomm.com/doc/80-70018-50/topic/gstreamer-application-use-cases.html](https://docs.qualcomm.com/doc/80-70018-50/topic/gstreamer-application-use-cases.html)

GStreamer provides command-line tools such as [gst-launch-1.0](https://gstreamer.freedesktop.org/documentation/tools/gst-launch.html) tool to help you run the AI/ML and
        multimedia use cases.

## Prerequisites

- If not already done so, [Download and install eSDK](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-51/install-sdk.html#download-and-install-esdk-).
- To access your host device, enable SSH. For instructions, see [Sign in using SSH](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-254/how_to.html#use-ssh).
Note: If SSH is enabled, you can skip this step.
- Push the files from the Linux host
                    computer.

        scp <filename> root@<IP address of target device>:/etc/Copy to clipboard
- Connect the display to the device using the HDMI port. For instructions, see
                        [Set up HDMI display](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-18/samples.html).
- Enable the
                    display:

        export XDG_RUNTIME_DIR=/dev/socket/weston && export WAYLAND_DISPLAY=wayland-1Copy to clipboard
- Connect to the speaker to enable the audio. For instructions, see [Set up audio hardware](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-16/enable-audio.html).

If you face issues while enabling camera or display, see [Camera troubleshooting](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-17/troubleshooting.html) and [Display troubleshooting](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-18/debug.html).

- **[Run machine learning use cases](https://docs.qualcomm.com/doc/80-70018-50/topic/machine-learning-use-cases.html)**  

LiteRT and the Qualcomm Neural Processing SDK runtime are used for inference in the         machine learning use cases.
- **[Run multimedia use cases](https://docs.qualcomm.com/doc/80-70018-50/topic/multimedia-use-cases.html)**  

The multimedia use cases show various multimedia scenarios using the GStreamer         pipelines.

Last Published: Jan 30, 2026

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