Platypush documentation

camera.gstreamer

camera.gstreamer

class platypush.plugins.camera.gstreamer.CameraGstreamerPlugin(device: Optional[str] = '/dev/video0', **opts)[source]

Bases: CameraPlugin

Plugin to interact with a camera over GStreamer.

Requires:

  • gst-python

On Debian and derived systems:

  • [sudo] apt-get install python3-gi python3-gst-1.0

On Arch and derived systems:

  • [sudo] pacman -S gst-python

__init__(device: Optional[str] = '/dev/video0', **opts)[source]
Parameters:

  • device – Path to the camera device (default /dev/video0).

  • opts – Camera options - see constructor of platypush.plugins.camera.CameraPlugin.

capture_frame(camera: GStreamerCamera, *args, **kwargs) → Optional[Image][source]

Capture a frame from a device using the plugin-specific logic - to be implemented by the derived classes.

Parameters:

device – An initialized platypush.plugins.camera.Camera object.

prepare_device(camera: GStreamerCamera) → Pipeline[source]

Prepare a device using the plugin-specific logic - to be implemented by the derived classes.

Parameters:

device – An initialized platypush.plugins.camera.Camera object.

release_device(camera: GStreamerCamera)[source]

Release a device using the plugin-specific logic - to be implemented by the derived classes.

Parameters:

device – An initialized platypush.plugins.camera.Camera object.

start_camera(camera: GStreamerCamera, preview: bool = False, *args, **kwargs)[source]

Start a camera capture session.

Parameters:

  • camera – An initialized platypush.plugins.camera.Camera object.

  • preview – Show a preview of the camera frames.

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