NekoCWD/libcamera
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doc: gstreamer: Add missing queues

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As libcamerasrc reports some latency, a queue is needed in order to store the
data in case the buffers has been produced slightly ahead of our reported
latency.

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Nicolas Dufresne 2024-02-02 10:08:05 +01:00 • committed by Laurent Pinchart
parent 6f1bd9cf55
commit 1dd3bd9d7d
1 changed files with 3 additions and 3 deletions
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6
README.rst
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@ -134,7 +134,7 @@ onto the OpenGL accelerated display element on your system.
.. code:: .. code::
gst-launch-1.0 libcamerasrc camera-name="Camera 1" ! glimagesink gst-launch-1.0 libcamerasrc camera-name="Camera 1" ! queue ! glimagesink
To show the first camera found you can omit the camera-name property, or you To show the first camera found you can omit the camera-name property, or you
can list the cameras and their capabilities using: can list the cameras and their capabilities using:
@ -149,7 +149,7 @@ if desired with a pipeline such as:
.. code:: .. code::
gst-launch-1.0 libcamerasrc ! 'video/x-raw,width=1280,height=720' ! \ gst-launch-1.0 libcamerasrc ! 'video/x-raw,width=1280,height=720' ! \
glimagesink queue ! glimagesink
The libcamerasrc element has two log categories, named libcamera-provider (for The libcamerasrc element has two log categories, named libcamera-provider (for
the video device provider) and libcamerasrc (for the operation of the camera). the video device provider) and libcamerasrc (for the operation of the camera).
@ -165,7 +165,7 @@ the following example could be used as a starting point:
gst-launch-1.0 libcamerasrc ! \ gst-launch-1.0 libcamerasrc ! \
video/x-raw,colorimetry=bt709,format=NV12,width=1280,height=720,framerate=30/1 ! \ video/x-raw,colorimetry=bt709,format=NV12,width=1280,height=720,framerate=30/1 ! \
jpegenc ! multipartmux ! \ queue ! jpegenc ! multipartmux ! \
tcpserversink host=0.0.0.0 port=5000 tcpserversink host=0.0.0.0 port=5000
Which can be received on another device over the network with: Which can be received on another device over the network with: