Create Pipewire Node V4l2 Linux

Use gst-launch-1.0 to create a PipeWire node from a V4L2 video source on Linux.

Terminal

gst-launch-1.0 v4l2src device=</dev/video0> ! videoconvert ! pipewiresink mode=provide stream-properties="properties,media.class=Video/Source" client-name=<Virtual Camera>

gst-launch-1.0 v4l2src device=</dev/video0> ! videoconvert ! pipewiresink mode=provide stream-properties="properties,media.class=Video/Source" client-name=<Virtual Camera>

#!/bin/bash

# Create Pipewire Node V4l2 Linux
gst-launch-1.0 v4l2src device={{/dev/video0}} ! videoconvert ! pipewiresink mode=provide stream-properties="properties,media.class=Video/Source" client-name={{Virtual Camera}}

import subprocess

# Create Pipewire Node V4l2 Linux
# Make sure to replace <placeholders> with actual values
def run_command():
    cmd = [
        "gst-launch-1.0",
        "v4l2src",
        "device=</dev/video0>",
        "!",
        "videoconvert",
        "!",
        "pipewiresink",
        "mode=provide",
        "stream-properties=\"properties,media.class=Video/Source\"",
        "client-name={{Virtual",
        "Camera}}"
    ]
    
    try:
        print(f"Executing: {' '.join(cmd)}")
        subprocess.run(cmd, check=True)
    except subprocess.CalledProcessError as e:
        print(f"Error: {e}")
    except FileNotFoundError:
        print("Error: gst-launch-1.0 not found. Please install it first.")

if __name__ == "__main__":
    run_command()

When To Use

Use this command to create a virtual camera node from a V4L2 source.

Command Builder

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Back to syntax

Generated Command

gst-launch-1.0 v4l2src device=</dev/video0> ! videoconvert ! pipewiresink mode=provide stream-properties="properties,media.class=Video/Source" client-name=<Virtual Camera>

Terminal Output

Expected runtime feedback

Simulated preview

Output

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock

Command Breakdown

What each part is doing

gst-launch-1.0: Base Command; The executable that performs this operation. Here it runs Gst Launch 1.0 before the shell applies any redirect operators.
</dev/video0>: dev video0; The value supplied for dev video0.
<Virtual Camera>: Virtual Camera; The value supplied for Virtual Camera.

How To Run

Execution path

Step 1
Install GStreamer and PipeWire on your Linux system.
Step 2
Run the command with the appropriate device and client name.
Step 3
Verify the PipeWire node is created successfully.

Alternative Approaches

Comparable commands in other tools

Alternative video processing tools for the same job.

Cavif / Convert Jpeg To Avif cavif <path/to/image.jpg> Magick / Create Favicon From Images Different Sizes magick convert <path/to/image1.png path/to/image2.png ...> <path/to/favicon.ico> Dwebp / Convert Webp With Multi Threading dwebp <path/to/input.webp> -o <path/to/output.png> -mt Dwebp / Convert Webp To Specific Filetype dwebp <path/to/input.webp> -bmp|-tiff|-pam|-ppm|-pgm|-yuv -o <path/to/output>